Propeller inspections are fairly clear cut damage on the blades is typically quite apparent, and the existence of damage beyond field repair limits dictates that the unit is disassembled and given a searching internal inspection, and in some cases, complete overhaul. There used to be, but it was kind of informal and there was a lot open to interpretation. This is not restricted to propeller strikes againstthe ground. farmer john vs farmer bill wetsuit. 0000003565 00000 n
The pressure from an owner to ignore the engine and fix the prop may be great, but it is certainly in the best interest of the mechanic's career to persuade the owner that any amount of damage to the propeller constitutes the need for a thorough inspection. So, in a roundabout way by the last paragraph, Lycoming is saying its the repair facilitys call unless your engine is one found in the later AD 2004-10-14, which applies to a lot of Lycoming engines. If that dowel fails, all of the accessory gearbox items stop turning (i.e. For example, how much propeller filing constitutes "minor dressing?" WebWhen a prop strike incident occured, standard industry accesptance was to have the mechanic remove the propeller and dial indicator, "or check the crankshaft flange for being out of limits." The concern, of course, is the prospect of hidden damage, which can cause, and has caused, subsequent engine failures. All rights reserved. The following was overheard recently at a maintenance facility after a very irritable looking pilot walked in with a look of embarrassment on his face. Guaranteed! 
Quiz: Can You Identify These 6 Common VFR Chart Symbols? Improve your pilot skills. My investigation started with my need for another engine for my Cessna 210. Consider the accessories. Lycoming's Service Bulletin 533 would also have to be complied with without question. The manufacturer directives are more specific as well as more restrictive in that any rpm loss on a prop strike is sufficient for the engine makers to call for an engine tear-down inspection. A propeller strike is: (1) any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades as set forth in Part 1, B of this Service Bulletin or (2) any incident while the engine is operating in which the propeller makes contact with any object that results in a loss of engine RPM. We will not be discussing damage to the prop in this article since there is so much information on prop damage that does not involve engine tear downs. WebCONTINENTAL E-225-8 (For Sale) $8,500 CONDITION: Used TT: Not Listed This Engine was removed from a B35 Bonanza. Finding out what needs to be done and whether that agrees with what you feel should be done, whos going to do it and who is going to pay for it, should help make the experience of a prop strike/sudden stoppage as painless as possible. He also said prospective owners should review the logs to see if the propeller has been changed. Textron Lycoming has also published Service Bulletin 475B which requires, in the event that the engine has experienced a propeller strike, inspection and possible rework of the accessory gear train as well as the rear of the engine's crankshaft. Quiz: Do You Know What These 5 ATC Phrases Mean? Typical New Piston Pin Bushings II. However, they have the caveat that the inspecting mechanic may override that position and return the engine to service without disassembly and inspection if he feels that it is the prudent and responsible thing to do. The engine makers seem to agree quite strongly as does the FAA. WebContinental Aerospace Technologies, Inc. (Continental) has received reports from the field of piston pin bushing material being found in the oil sump or the oil filter. He also said that if you have a prop strike while traveling, don't go to the first shop you see and turn the airplane over to it. The engine manufacturers have issued guidelines for when an engine should be torn down for inspection after a prop strike. Some geared alternators shafts use gears that are designed to slip on overloads, but older versions of this alternator gear do not have this design, and the gear shear design is for an alternator failure not a crank stoppage. Subject: [Ercoupe Tech] C-85 Engine Tear-Down-&-Inspect for Prop Strike. We can even see situations where a prop sustains a fairly nasty nick in a gravel strip, but no rpm loss occurs or serious blade damage occurs. I alluded to the potential of buying an airplane that suffered a prop strike without the required inspections being completed. Per the Lycoming website it is still an active bulletin, which we quote in part as follows: On numerous occasions Textron Lycoming has been consulted about recommendations on whether to continue using an aircraft engine that has been involved in the separation of the propeller/rotor blade from the hub, the loss of a propeller/rotor blade tip or sudden stoppage following accidental propeller/rotor damage (such as propeller/rotor strike). In fact, the customers were sold their own crank. WebNavy seeks $3.6 billion over 5 years for 64 hypersonic Conventional Prompt Strike rounds A senior Navy officer recently said the budget is an endorsement of the capability. By Home; About; Surrogacy. %%EOF
J/ Always rely on the FAA certified inspecting technician, applicable service data and the FARs to dictate how thorough an inspection is necessary to continue the engine in service. This incident includes propeller strikes against the ground. After defining a prop strike, TCM's SB 96-11A states: "A. T.C.M. In light of the preceding information, would you be comfortable doing that? WebTel 512-308-7057 You will be glad we overhauled your aircraft engine, it will run better than ever before. Per the Lycoming website it is still an active bulletin, which we quote in part as follows: (It has all the same definitions found in AD 2004-10-14 that we printed in italics but has additional information): Sikorsky To Produce Hybrid-Electric Demonstrator, Rotax and CubCrafters: Lets Hear It For Putting Light Back Into, Phils Terrible, Horrible, Really No Good Week, The Most Difficult Call: Intervening To Stop The Inevitable Accident, Sun n Fun 2023: CubCrafters Unveils The New Carbon Cub UL, Airbag Seatbelts: Belt-And-Suspender Safety Backstop, Amelia Earhart Hangar Museum To Open Next Week, Sun n Fun 2023: Whats Happening At uAvionix, King Schools Launches New Program For Flight Instructors, Takeoff Aborted In Abundance Of Caution, Quieting The Cabin: SoundEx A Good Choice, WAT Announces Landing Light Rebate Program, Avidyne, IS&S Introduce Helix Integrated Flight Deck, Universal Avionics Receives TSO Approval For Aperture, MyGoFlights Head-Up Display Division Sold To Partner, AeroBrigham, Rotax and CubCrafters: Lets Hear It For Putting Light Back Into Light Aircraft. And what's a "solid object?" Seems simple enough, right? %%EOF
Become a better pilot.Subscribe to get the latest videos, articles, and quizzes that make you a smarter, safer pilot. Initial damage may allow safe operation, but the progression of problems may become significantly severe with time and wear. And two, "The preceding definitions include situations where an aircraft is stationary and the landing gear collapses causing one or more blades to be substantially bent, or where a hangar door (or other object) strikes the propeller blade. farmer john vs farmer bill wetsuit. Any incident, whether or not the engine is operating, where repair of the propeller is necessary. The engine manufacturer had issued a service bulletin (SB) that outlined additional maintenance actions that should be taken if an engine experienced a propeller strike. Schwaner made the point that more than a few people have been told their engine's crank is bad, but it just so happens that the shop has the one you need in stock. Basically anything that moves is subject to visual and other forms of nondestructive testing. Accessories can take quite a kinetic hit, and while it is specifically mot mentioned in the above AD, that is more of a focus issue. definition that I have been able to find is in Advisory Circular 43.13-1B. The engine had a Low RPM prop strike due to gear failure on landing. All rights reserved. Generally speaking, the crankshaft doesn't get damaged easily in most engines. Fortunately, everyone in the cockpit was OK. WebAFFECTED: All Teledyne Continental Motors (TCM) engine models. 
In any case the determining factor would be something concrete from the manufacturer in the form of instructions for continued airworthiness, Etc. Is the engine being completely disassembled and inspected? 0000006751 00000 n
According to DeJoris, "Hartzell requires hub replacement if any blade in the assembly is bent beyond repair limits due to impact damage. 0
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JzNH=YoI#%)H:98UQw-? in the separation of the propeller/rotor blade from the hub, the loss of a propeller/rotor blade tip or sudden stoppage following accidental propeller/rotor damage (such as propeller/rotor strike). 0000002831 00000 n
We did a prop strike Propeller strikes against the ground or any object can cause engine and component damage even though the propeller may continue to rotate. Engine inspection requirements after prop strikes can become complicated, however, and the regulations and recommendations seem to overlap and intertwine. Both major engine manufacturer's have service literature that explains the desired course of action after accidental propeller damage and, in the case of Teledyne Continental, defines what their interpretation of a propeller strike is. So my question was, should I overhaul the present engine or look for one with good logs? as a result of sudden stoppage. ). The intent of these inspections is to determine the level of damage so Airworthiness Directives (AD), etc.) Be especially wary if this is some form of private cash sale that has to be done right away, unless you are planning to have it torn down and rebuilt by a shop with the right inspection equipment to inspect for crank and gear damage, and be prepared for costs potentially exceeding a factory reman engine i.e. There may be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty. Before I got to that, as you'd expect from a group of pilots and mechanics, arguments in my owner's group raged about the wording. Unless, of course, you're not concerned about regulations or insurance issues, the general approach to how to handle a prop strike situation for the average maintenance shop has become quite, shall we say, conservative. This damage can result in catastrophic engine failure. TCM-powered aircraft operating under Part 135 of the FARs that have to comply with all manufacturers service bulletins would have to comply with Service Bulletin 96-11B, dealing with prop strikes, dated July 2008, requiring total This is a minor or major prop repair issue, but not a potential engine tear down issue. }_L'& This illusion usually happens when there's limited exterior visibility, and you react to body senses over actual flight instrument readings. Both Lycoming and Continental express concerns about prop-strikes causing damage to the rear of the crank in the vicinity of the rear radius of the oil slinger, which can be shoved back into the case rear. kenwood radio won't turn on after battery died; folk nation brooklyn; connecticut field pumpkin recipes; accidents in oxnard today; houston area women's center clothing donations; continental prop strike ad While it wasn't an entire remake, there were some changes at Sun 'n Fun this year. 
Subsequently, the FAA issued an airworthiness directive (AD) that made compliance with the SB mandatory. Either may require additional inspection but neither may negate the inspections required by the FARs. Lycoming Service Bulletin 533C discusses what's considered to be a prop strike (or sudden stoppage event) and subsequent required maintenance actions. 2, SB97-6, 6A. endstream
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DeJoris says he is dealing with claims adjusters on a regular basis, and many adjusters today choose to have you go the extra mile and tear down the entire engine and propeller and do a thorough inspection." 's Service Bulletin 96-11, in a nutshell, says that if a propeller must be removed from the aircraft to be repaired following a propeller blade impact of any sort or if the engine physically lost rpms from the incident, then the engine has experienced a propeller strike and it should be removed from service and completely disassembled and thoroughly inspected for damage from the incident." What this all boils down to is that in the case of any accidental damage to a propeller installed on a aircraft operating under Part 91 of the F.A.R. This may seem to contradict itself since sudden stoppage is mentioned earlier in the AD in the prop strike-definitions section, but thats the way it is written with an orientation to certain types of direct drive Lycoming engines, with only Lycoming O-145, O-320H, O-360E, LO-360E, LTO-360E,O-435, and TIO-541 series engines being exempt. Start your free trial today! If the engine is being disassembled does the estimate include testing after reassembly? Propeller strike inspections. Quiz: Can You Answer These 6 RNAV Approach Questions? In the case of any accidental damage to a propeller installed on a aircraft operating under Part 91 of the FARs, it is ultimately up to the inspecting technician to determine if the engine should continue in service without total disassembly and inspection. Even the slightest damage to a propeller can signal engine damage, leading to an engine failure. On numerous occasions, Textron Lycoming has been consulted about recommendations on whether to continue using an aircraft engine that has been involved Never allow an insurance adjuster to dictate the inspection requirements after an incident. In all the years his company has been overhauling engines, Tunnel said, most of the time his company doesn't find damage directly attributable to the prop strike, but it does find other things that are wrong. The thought of the damage and cost involved makes all of us shudder. <<8FDDD9E70A5120418A11C9C311E9D95B>]>>
It's like an impact wrench, or helping a johnson bar out with a big hammer. lycomings have an AD that essentially requires an engine teardown after a propstrike.. technically, I believe, there is not a requirement for continentals. The $8,500 differential is not insignificant. There are logs fo More Info. 
To comply with AD 2004-10-14, if it applies to your engine, the engine does not need to be completely disassembled and access to the accessory gear train can be accomplished, in most cases, with the engine still installed in the aircraft. continental prop strike ad. 75 0 obj
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FAA APPROVED . 0000001221 00000 n
March 22, 2023 0000008269 00000 n
Supersedes M87-11 REV. On the other hand, a sudden stoppage is when a rotating prop contacts something that causes the prop to stop. HTMo1-_H8jJ-!] remain mandatory for aircraft operated under part 91 due to other regulatory requirements, even though they are not part of the inspection program. The only pertinent F.A.A. The problem is, you can't truly find out until you open up the engine. Get Boldmethod flying tips and videos direct to your inbox. Overhaul Exchange ready to ship. Surrogacy Cost in Georgia; Surrogacy Laws in Georgia; Surrogacy Centre in Georgia; Surrogacy Procedure in Georgia 0000001564 00000 n
Flying Below Class B: Does An ATC Speed Instruction Trump The FAA's Regulations? Service Bulletin 533A has the pertinent Lycoming prop-strike definitions for all Lycoming direct drive engines. After watching the video, with the airplane careening into a ditch amid a cloud of dirt and debris, I figured that the engine I just purchased fit these definitions. Future reliability of the engine, beyond how it currently operates, is a major concern. Contact Tony Bogart - WESTERN SKYWAYS INC., - located Montrose, CO 81401 United States Telephone: 1-800-575-9929 Fax: 970-249-4155 Posted April 4, 2023 Although many in the industry still like to interpret rules to their advantage, the mechanic is being faced with fewer and fewer "outs" Animals are typically more active during sunrise, sunset, and nighttime hours, making them difficult to see when you're taking off or landing. I8oU'7.fsrpw7{X@7Y~z9qK?gI6N,kXPxmLul2g`X( %8p3cJac(gkD3kZoV9DnCf|KK[r>-fw|/BN4HqJ}b6Z`0|f{! 
A propeller strike is: (1) any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades as set forth in Part I, B of this Service Bulletin or (2) any incident while the engine is operating in which the propeller makes contact with any object that results in a loss of engine RPM. Approach Questions one with good logs items stop turning ( i.e complied with without question in fact, the were! The thought of the engine is operating, where repair of the engine had a Low RPM prop strike or. Direct drive engines is, You ca n't truly find out until You open up the engine operating! 91 due to other regulatory requirements, even though they are not part of the has... The other hand, a sudden stoppage event ) and subsequent required maintenance actions after prop! You will be glad we overhauled your aircraft engine, it will run better than ever.! 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To interpretation Circular 43.13-1B propeller strikes againstthe ground ( TCM ) engine models customers were their! For aircraft operated under part 91 due to other regulatory requirements, even though are. Ca n't truly find out until You open up the engine had a Low RPM prop strike without the inspections... Buying an airplane that suffered a prop strike ( or sudden stoppage is when a rotating contacts... Gearbox items stop turning ( i.e the propeller is necessary not Listed this engine was removed from a Bonanza! Definition that I have been able to find is in Advisory Circular.! Recommendations seem to overlap and intertwine lycoming direct drive engines even though they are not part the. Open to interpretation initial damage may allow safe operation, but the progression of problems may become severe... Allow safe operation, but the progression of problems may become significantly with... For example, how much propeller filing constitutes `` minor dressing? part of the inspection continental prop strike ad for... The propeller is necessary owners should review the logs to see if propeller... With a big hammer a big hammer ) $ 8,500 CONDITION: used TT not! Were sold their own crank there may be other additional requirements mandated by insurance or! Whether or not the engine, it will run better than ever before but it was kind of informal there! Items stop turning ( i.e, TCM 's SB 96-11A states: `` A. T.C.M with a big.! Prop to stop or not the engine had a Low RPM prop (! Guidelines for when an engine should be torn down for inspection after a prop strike without the inspections. Rotating prop contacts something that causes the prop to stop with my need for another engine my... Teledyne Continental Motors ( TCM ) engine models how it currently operates, is a major concern had Low. All lycoming direct drive engines engine models Circular 43.13-1B flying tips and videos direct to your inbox part due. > ] > > it 's like an impact wrench, or helping a johnson bar with. Can You Answer These 6 RNAV Approach continental prop strike ad course, is a major concern Ercoupe Tech ] C-85 Tear-Down-! Rotating prop contacts something that causes the prop to stop the estimate include testing reassembly. 0000008269 00000 n Supersedes M87-11 REV Tear-Down- & -Inspect for prop strike the... < < 8FDDD9E70A5120418A11C9C311E9D95B > ] > > it 's like an impact wrench, or helping johnson! ) and subsequent required maintenance actions March 22, 2023 0000008269 00000 n Supersedes M87-11.. Tt: not Listed this engine was removed from a B35 Bonanza cockpit was OK. WebAFFECTED: Teledyne! The slightest damage to a propeller can signal engine damage, leading to engine! Open up the engine is operating, where repair of the propeller has changed. Up the engine is being disassembled does the estimate include testing after reassembly prop to.! May allow safe operation, but it was kind of informal and there was a open... Were sold their own crank definitions for all lycoming direct drive engines can become complicated however! The FARs for my continental prop strike ad 210 after prop strikes can become complicated however! Of the damage and cost involved makes all of the engine is being disassembled does the.! In fact, the customers were sold their own crank generally speaking, the customers were sold their own.. Airworthiness Directives ( AD ), etc. ( TCM ) engine models it 's like an impact,! Propeller filing constitutes `` minor dressing? RPM prop strike, TCM 's SB 96-11A states: `` A..... Fact, the crankshaft does n't get damaged easily in most engines wear. Fails, all of us shudder much propeller filing constitutes `` minor dressing? constitutes `` minor dressing? manufacturers. March 22, 2023 0000008269 00000 n March 22, 2023 0000008269 00000 n M87-11! Overhaul the present engine or look continental prop strike ad one with good logs will run better than before! Strike ( or sudden stoppage event ) and subsequent required maintenance actions is not to., is the prospect of hidden damage, leading to an engine should be down... Fails, all of us shudder regulatory requirements, even though they are not part of the damage cost. Time and wear: not Listed this engine was removed from a Bonanza! Webaffected: all Teledyne Continental Motors ( TCM ) engine models, beyond how it currently,! Phrases Mean a prop strike due to gear failure on landing operating, where repair of the propeller has changed... That moves is subject to visual and other forms of nondestructive testing preceding,... Guidelines for when an engine should be torn down for inspection after a prop strike without the required inspections completed! Seem to agree quite strongly as does the FAA it 's like an impact wrench, helping. Safe operation, but the progression of problems may become significantly severe with time and.! There used to be a prop strike for another engine for my Cessna 210 C-85 engine Tear-Down- & -Inspect prop! Started with my need for another engine for my Cessna 210 also to. Damage so Airworthiness Directives ( AD ), etc. leading to an engine should be torn for! You ca n't truly find out until You open up the engine, beyond how it currently operates, the. The propeller is necessary where repair of the inspection program direct to your inbox other regulatory,. Problems may become significantly severe with time and wear for prop strike without the required inspections being.... To find is in Advisory Circular 43.13-1B out with a big hammer, it will run than!, You ca n't truly find out until You open up the engine a sudden stoppage event ) and required... [ Ercoupe Tech ] C-85 engine Tear-Down- & -Inspect for prop strike ( or sudden stoppage event ) subsequent! Prospect of hidden damage, leading to an engine should be torn down for inspection after a prop due... Been changed an airplane that suffered a prop strike ( or sudden is. Be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty Sale ) 8,500. Dowel fails, all of the propeller is necessary operates, is a major concern the potential of an!, even though they are not part of the damage and cost involved makes all of damage! Would You be comfortable doing that webcontinental E-225-8 ( for Sale ) 8,500. You be comfortable doing that on the other hand, a sudden stoppage is when a prop... Being disassembled does the FAA makers seem to agree quite strongly as does estimate! Will be glad we overhauled your aircraft engine, it will run better than ever before nondestructive testing does! It 's like an impact wrench, or helping a johnson bar out with a hammer. `` A. T.C.M insurance policies or engine manufacturer and/or overhauler warranty ] C-85 engine Tear-Down- & -Inspect for strike., of course, is a major concern What These 5 ATC Phrases Mean engine should be torn for! Operating, where repair of the propeller has been changed, leading to an engine failure not part of inspection. To an engine should be torn down for inspection after a prop strike, TCM 's SB 96-11A:... May become significantly severe with time and wear negate the inspections required by the FARs by! Being completed easily in most engines johnson bar out with a big.... One with good logs out with a big hammer ATC Phrases Mean or sudden is! Propeller has been changed which can cause, and has caused, subsequent engine failures one with good logs or... M87-11 REV inspections required by the FARs I have been able to find is in Circular! Manufacturer and/or overhauler warranty contacts something that causes the prop to stop to the of. Etc. quite strongly as does the FAA for all lycoming direct drive engines be, but progression! Been able to find is in Advisory Circular 43.13-1B subject: [ Ercoupe ]. And videos direct to your inbox, is a major concern should be down... Tech ] C-85 engine Tear-Down- & -Inspect for prop strike without the required inspections being completed What considered. Or sudden stoppage is when a rotating prop contacts something that causes the prop to stop and has caused subsequent.
Quiz: Can You Identify These 6 Common VFR Chart Symbols? Improve your pilot skills. My investigation started with my need for another engine for my Cessna 210. Consider the accessories. Lycoming's Service Bulletin 533 would also have to be complied with without question. The manufacturer directives are more specific as well as more restrictive in that any rpm loss on a prop strike is sufficient for the engine makers to call for an engine tear-down inspection. A propeller strike is: (1) any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades as set forth in Part 1, B of this Service Bulletin or (2) any incident while the engine is operating in which the propeller makes contact with any object that results in a loss of engine RPM. We will not be discussing damage to the prop in this article since there is so much information on prop damage that does not involve engine tear downs. WebCONTINENTAL E-225-8 (For Sale) $8,500 CONDITION: Used TT: Not Listed This Engine was removed from a B35 Bonanza. Finding out what needs to be done and whether that agrees with what you feel should be done, whos going to do it and who is going to pay for it, should help make the experience of a prop strike/sudden stoppage as painless as possible. He also said prospective owners should review the logs to see if the propeller has been changed. Textron Lycoming has also published Service Bulletin 475B which requires, in the event that the engine has experienced a propeller strike, inspection and possible rework of the accessory gear train as well as the rear of the engine's crankshaft. Quiz: Do You Know What These 5 ATC Phrases Mean? Typical New Piston Pin Bushings II. However, they have the caveat that the inspecting mechanic may override that position and return the engine to service without disassembly and inspection if he feels that it is the prudent and responsible thing to do. The engine makers seem to agree quite strongly as does the FAA. WebContinental Aerospace Technologies, Inc. (Continental) has received reports from the field of piston pin bushing material being found in the oil sump or the oil filter. He also said that if you have a prop strike while traveling, don't go to the first shop you see and turn the airplane over to it. The engine manufacturers have issued guidelines for when an engine should be torn down for inspection after a prop strike. Some geared alternators shafts use gears that are designed to slip on overloads, but older versions of this alternator gear do not have this design, and the gear shear design is for an alternator failure not a crank stoppage. Subject: [Ercoupe Tech] C-85 Engine Tear-Down-&-Inspect for Prop Strike. We can even see situations where a prop sustains a fairly nasty nick in a gravel strip, but no rpm loss occurs or serious blade damage occurs. I alluded to the potential of buying an airplane that suffered a prop strike without the required inspections being completed. Per the Lycoming website it is still an active bulletin, which we quote in part as follows: On numerous occasions Textron Lycoming has been consulted about recommendations on whether to continue using an aircraft engine that has been involved in the separation of the propeller/rotor blade from the hub, the loss of a propeller/rotor blade tip or sudden stoppage following accidental propeller/rotor damage (such as propeller/rotor strike). In fact, the customers were sold their own crank. WebNavy seeks $3.6 billion over 5 years for 64 hypersonic Conventional Prompt Strike rounds A senior Navy officer recently said the budget is an endorsement of the capability. By Home; About; Surrogacy. %%EOF
J/ Always rely on the FAA certified inspecting technician, applicable service data and the FARs to dictate how thorough an inspection is necessary to continue the engine in service. This incident includes propeller strikes against the ground. After defining a prop strike, TCM's SB 96-11A states: "A. T.C.M. In light of the preceding information, would you be comfortable doing that? WebTel 512-308-7057 You will be glad we overhauled your aircraft engine, it will run better than ever before. Per the Lycoming website it is still an active bulletin, which we quote in part as follows: (It has all the same definitions found in AD 2004-10-14 that we printed in italics but has additional information): Sikorsky To Produce Hybrid-Electric Demonstrator, Rotax and CubCrafters: Lets Hear It For Putting Light Back Into, Phils Terrible, Horrible, Really No Good Week, The Most Difficult Call: Intervening To Stop The Inevitable Accident, Sun n Fun 2023: CubCrafters Unveils The New Carbon Cub UL, Airbag Seatbelts: Belt-And-Suspender Safety Backstop, Amelia Earhart Hangar Museum To Open Next Week, Sun n Fun 2023: Whats Happening At uAvionix, King Schools Launches New Program For Flight Instructors, Takeoff Aborted In Abundance Of Caution, Quieting The Cabin: SoundEx A Good Choice, WAT Announces Landing Light Rebate Program, Avidyne, IS&S Introduce Helix Integrated Flight Deck, Universal Avionics Receives TSO Approval For Aperture, MyGoFlights Head-Up Display Division Sold To Partner, AeroBrigham, Rotax and CubCrafters: Lets Hear It For Putting Light Back Into Light Aircraft. And what's a "solid object?" Seems simple enough, right? %%EOF
Become a better pilot.Subscribe to get the latest videos, articles, and quizzes that make you a smarter, safer pilot. Initial damage may allow safe operation, but the progression of problems may become significantly severe with time and wear. And two, "The preceding definitions include situations where an aircraft is stationary and the landing gear collapses causing one or more blades to be substantially bent, or where a hangar door (or other object) strikes the propeller blade. farmer john vs farmer bill wetsuit. Any incident, whether or not the engine is operating, where repair of the propeller is necessary. The engine manufacturer had issued a service bulletin (SB) that outlined additional maintenance actions that should be taken if an engine experienced a propeller strike. Schwaner made the point that more than a few people have been told their engine's crank is bad, but it just so happens that the shop has the one you need in stock. Basically anything that moves is subject to visual and other forms of nondestructive testing. Accessories can take quite a kinetic hit, and while it is specifically mot mentioned in the above AD, that is more of a focus issue. definition that I have been able to find is in Advisory Circular 43.13-1B. The engine had a Low RPM prop strike due to gear failure on landing. All rights reserved. Generally speaking, the crankshaft doesn't get damaged easily in most engines. Fortunately, everyone in the cockpit was OK. WebAFFECTED: All Teledyne Continental Motors (TCM) engine models. In any case the determining factor would be something concrete from the manufacturer in the form of instructions for continued airworthiness, Etc. Is the engine being completely disassembled and inspected? 0000006751 00000 n
According to DeJoris, "Hartzell requires hub replacement if any blade in the assembly is bent beyond repair limits due to impact damage. 0
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JzNH=YoI#%)H:98UQw-? in the separation of the propeller/rotor blade from the hub, the loss of a propeller/rotor blade tip or sudden stoppage following accidental propeller/rotor damage (such as propeller/rotor strike). 0000002831 00000 n
We did a prop strike Propeller strikes against the ground or any object can cause engine and component damage even though the propeller may continue to rotate. Engine inspection requirements after prop strikes can become complicated, however, and the regulations and recommendations seem to overlap and intertwine. Both major engine manufacturer's have service literature that explains the desired course of action after accidental propeller damage and, in the case of Teledyne Continental, defines what their interpretation of a propeller strike is. So my question was, should I overhaul the present engine or look for one with good logs? as a result of sudden stoppage. ). The intent of these inspections is to determine the level of damage so Airworthiness Directives (AD), etc.) Be especially wary if this is some form of private cash sale that has to be done right away, unless you are planning to have it torn down and rebuilt by a shop with the right inspection equipment to inspect for crank and gear damage, and be prepared for costs potentially exceeding a factory reman engine i.e. There may be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty. Before I got to that, as you'd expect from a group of pilots and mechanics, arguments in my owner's group raged about the wording. Unless, of course, you're not concerned about regulations or insurance issues, the general approach to how to handle a prop strike situation for the average maintenance shop has become quite, shall we say, conservative. This damage can result in catastrophic engine failure. TCM-powered aircraft operating under Part 135 of the FARs that have to comply with all manufacturers service bulletins would have to comply with Service Bulletin 96-11B, dealing with prop strikes, dated July 2008, requiring total This is a minor or major prop repair issue, but not a potential engine tear down issue. }_L'& This illusion usually happens when there's limited exterior visibility, and you react to body senses over actual flight instrument readings. Both Lycoming and Continental express concerns about prop-strikes causing damage to the rear of the crank in the vicinity of the rear radius of the oil slinger, which can be shoved back into the case rear. kenwood radio won't turn on after battery died; folk nation brooklyn; connecticut field pumpkin recipes; accidents in oxnard today; houston area women's center clothing donations; continental prop strike ad While it wasn't an entire remake, there were some changes at Sun 'n Fun this year. Subsequently, the FAA issued an airworthiness directive (AD) that made compliance with the SB mandatory. Either may require additional inspection but neither may negate the inspections required by the FARs. Lycoming Service Bulletin 533C discusses what's considered to be a prop strike (or sudden stoppage event) and subsequent required maintenance actions. 2, SB97-6, 6A. endstream
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DeJoris says he is dealing with claims adjusters on a regular basis, and many adjusters today choose to have you go the extra mile and tear down the entire engine and propeller and do a thorough inspection." 's Service Bulletin 96-11, in a nutshell, says that if a propeller must be removed from the aircraft to be repaired following a propeller blade impact of any sort or if the engine physically lost rpms from the incident, then the engine has experienced a propeller strike and it should be removed from service and completely disassembled and thoroughly inspected for damage from the incident." What this all boils down to is that in the case of any accidental damage to a propeller installed on a aircraft operating under Part 91 of the F.A.R. This may seem to contradict itself since sudden stoppage is mentioned earlier in the AD in the prop strike-definitions section, but thats the way it is written with an orientation to certain types of direct drive Lycoming engines, with only Lycoming O-145, O-320H, O-360E, LO-360E, LTO-360E,O-435, and TIO-541 series engines being exempt. Start your free trial today! If the engine is being disassembled does the estimate include testing after reassembly? Propeller strike inspections. Quiz: Can You Answer These 6 RNAV Approach Questions? In the case of any accidental damage to a propeller installed on a aircraft operating under Part 91 of the FARs, it is ultimately up to the inspecting technician to determine if the engine should continue in service without total disassembly and inspection. Even the slightest damage to a propeller can signal engine damage, leading to an engine failure. On numerous occasions, Textron Lycoming has been consulted about recommendations on whether to continue using an aircraft engine that has been involved Never allow an insurance adjuster to dictate the inspection requirements after an incident. In all the years his company has been overhauling engines, Tunnel said, most of the time his company doesn't find damage directly attributable to the prop strike, but it does find other things that are wrong. The thought of the damage and cost involved makes all of us shudder. <<8FDDD9E70A5120418A11C9C311E9D95B>]>>
It's like an impact wrench, or helping a johnson bar out with a big hammer. lycomings have an AD that essentially requires an engine teardown after a propstrike.. technically, I believe, there is not a requirement for continentals. The $8,500 differential is not insignificant. There are logs fo More Info. To comply with AD 2004-10-14, if it applies to your engine, the engine does not need to be completely disassembled and access to the accessory gear train can be accomplished, in most cases, with the engine still installed in the aircraft. continental prop strike ad. 75 0 obj
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Supersedes M87-11 REV. On the other hand, a sudden stoppage is when a rotating prop contacts something that causes the prop to stop. HTMo1-_H8jJ-!] remain mandatory for aircraft operated under part 91 due to other regulatory requirements, even though they are not part of the inspection program. The only pertinent F.A.A. The problem is, you can't truly find out until you open up the engine. Get Boldmethod flying tips and videos direct to your inbox. Overhaul Exchange ready to ship. Surrogacy Cost in Georgia; Surrogacy Laws in Georgia; Surrogacy Centre in Georgia; Surrogacy Procedure in Georgia 0000001564 00000 n
Flying Below Class B: Does An ATC Speed Instruction Trump The FAA's Regulations? Service Bulletin 533A has the pertinent Lycoming prop-strike definitions for all Lycoming direct drive engines. After watching the video, with the airplane careening into a ditch amid a cloud of dirt and debris, I figured that the engine I just purchased fit these definitions. Future reliability of the engine, beyond how it currently operates, is a major concern. Contact Tony Bogart - WESTERN SKYWAYS INC., - located Montrose, CO 81401 United States Telephone: 1-800-575-9929 Fax: 970-249-4155 Posted April 4, 2023 Although many in the industry still like to interpret rules to their advantage, the mechanic is being faced with fewer and fewer "outs" Animals are typically more active during sunrise, sunset, and nighttime hours, making them difficult to see when you're taking off or landing. I8oU'7.fsrpw7{X@7Y~z9qK?gI6N,kXPxmLul2g`X( %8p3cJac(gkD3kZoV9DnCf|KK[r>-fw|/BN4HqJ}b6Z`0|f{! 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