# Jacobs R-755A2M - Type: Engine model (FAA registry) - Registry code: 35020 - Manufacturer (registry): JACOBS - Model: R-755A2M - Engine type: Reciprocating - Power: 300 hp - Data sheet: [TCDS E-237](https://openairdocs.org/tcds/E-237) (OpenAirDocs) - Holder: Air Repair Inc. - Installed in: 34 registered aircraft - Page: https://openairdocs.org/engine/jacobs-r-755a2m Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (34) - [N123QC](https://openairdocs.org/aircraft/N123QC): [Falcon Materials LLC](https://openairdocs.org/faa-owner/FALCON%20MATERIALS%20LLC), [Orchard Park, NY](https://openairdocs.org/faa-place/NY/Orchard%20Park), built 2020, S/N F5C-8F155 - [N132KS](https://openairdocs.org/aircraft/N132KS): [Manthie Kurt E](https://openairdocs.org/faa-owner/MANTHIE%20KURT%20E), [Jacksonville, FL](https://openairdocs.org/faa-place/FL/Jacksonville), built 2012, S/N F5C-8-132 - [N13UP](https://openairdocs.org/aircraft/N13UP): [White Pine Three LLC](https://openairdocs.org/faa-owner/WHITE%20PINE%20THREE%20LLC), [Park City, UT](https://openairdocs.org/faa-place/UT/Park%20City), built 2015, S/N F5C-8-144 - [N140W](https://openairdocs.org/aircraft/N140W): [Shewmaker Air LLC](https://openairdocs.org/faa-owner/SHEWMAKER%20AIR%20LLC), [Bentonville, AR](https://openairdocs.org/faa-place/AR/Bentonville), built 2014, S/N F5C-8-140 - [N148RV](https://openairdocs.org/aircraft/N148RV): [Waco-1 LLC](https://openairdocs.org/faa-owner/WACO-1%20LLC), [Saipan, MP](https://openairdocs.org/faa-place/MP/Saipan), built 2018, S/N F5C-8-152 - [N148WA](https://openairdocs.org/aircraft/N148WA): [Alyvia Aviation LLC](https://openairdocs.org/faa-owner/ALYVIA%20AVIATION%20LLC), [Sarasota, FL](https://openairdocs.org/faa-place/FL/Sarasota), built 2017, S/N F5C-8-148 - [N150EK](https://openairdocs.org/aircraft/N150EK): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 2018, S/N F5C-8-150 - [N154MW](https://openairdocs.org/aircraft/N154MW): [Sky Optics Inc DBA](https://openairdocs.org/faa-owner/SKY%20OPTICS%20INC%20DBA), [York, PA](https://openairdocs.org/faa-place/PA/York), built 2018, S/N F5C-8-154 - [N159WA](https://openairdocs.org/aircraft/N159WA): [Plane Fun Inc Tr Trustee](https://openairdocs.org/faa-owner/PLANE%20FUN%20INC%20TR%20TRUSTEE), [Snellville, GA](https://openairdocs.org/faa-place/GA/Snellville), built 2021, S/N F5C-8-159 - [N171L](https://openairdocs.org/aircraft/N171L): [Schmidt Louis J](https://openairdocs.org/faa-owner/SCHMIDT%20LOUIS%20J), [Orange, CA](https://openairdocs.org/faa-place/CA/Orange), built 2013, S/N F5C-8-134 - [N188L](https://openairdocs.org/aircraft/N188L): [Wertman Daniel E Jr](https://openairdocs.org/faa-owner/WERTMAN%20DANIEL%20E%20JR), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis), built 2013, S/N F5C-8-136 - [N24D](https://openairdocs.org/aircraft/N24D): [Carolina Blue Aviation LLC](https://openairdocs.org/faa-owner/CAROLINA%20BLUE%20AVIATION%20LLC), [Villanova, PA](https://openairdocs.org/faa-place/PA/Villanova), built 2013, S/N F5C-8-135 - [N30196](https://openairdocs.org/aircraft/N30196): [Michael W Miller LLC](https://openairdocs.org/faa-owner/MICHAEL%20W%20MILLER%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1941, S/N 5760 - [N32162](https://openairdocs.org/aircraft/N32162): [Preston Philip Edward](https://openairdocs.org/faa-owner/PRESTON%20PHILIP%20EDWARD), [St Petersburg, FL](https://openairdocs.org/faa-place/FL/St%20Petersburg), built 1942, S/N 5794 - [N346W](https://openairdocs.org/aircraft/N346W): [Air Ventures Hawaii LLC](https://openairdocs.org/faa-owner/AIR%20VENTURES%20HAWAII%20LLC), [Lihue, HI](https://openairdocs.org/faa-place/HI/Lihue), built 2016, S/N F5C-8-146 - [N39752](https://openairdocs.org/aircraft/N39752): [Bankston Aviation LLC](https://openairdocs.org/faa-owner/BANKSTON%20AVIATION%20LLC), [Mount Juliet, TN](https://openairdocs.org/faa-place/TN/Mount%20Juliet), built 1942, S/N 5885 - [N415WW](https://openairdocs.org/aircraft/N415WW): [Miller Biplane LLC](https://openairdocs.org/faa-owner/MILLER%20BIPLANE%20LLC), [Moberly, MO](https://openairdocs.org/faa-place/MO/Moberly), built 2011, S/N F5C-8-126 - [N458AG](https://openairdocs.org/aircraft/N458AG): [Alpert Adam L](https://openairdocs.org/faa-owner/ALPERT%20ADAM%20L), [Delray Beach, FL](https://openairdocs.org/faa-place/FL/Delray%20Beach), built 1943, S/N 75-5311 - [N45BN](https://openairdocs.org/aircraft/N45BN): [Waky Aviation Inc Trustee](https://openairdocs.org/faa-owner/WAKY%20AVIATION%20INC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2012, S/N F5C-8-130 - [N52131](https://openairdocs.org/aircraft/N52131): [Kourtis Vintage Aviation LLC](https://openairdocs.org/faa-owner/KOURTIS%20VINTAGE%20AVIATION%20LLC), [Owasso, OK](https://openairdocs.org/faa-place/OK/Owasso), built 1943, S/N 75-8511 - [N524JJ](https://openairdocs.org/aircraft/N524JJ): [Juliet Five Aviation LLC](https://openairdocs.org/faa-owner/JULIET%20FIVE%20AVIATION%20LLC), [Horseshoe Bay, TX](https://openairdocs.org/faa-place/TX/Horseshoe%20Bay), S/N F5C-8-149 - [N526PZ](https://openairdocs.org/aircraft/N526PZ): [Aerolisse LLC](https://openairdocs.org/faa-owner/AEROLISSE%20LLC), [Chouteau, OK](https://openairdocs.org/faa-place/OK/Chouteau), built 2020, S/N F5C-8F156 - [N551AW](https://openairdocs.org/aircraft/N551AW): [Red Baron Air LLC](https://openairdocs.org/faa-owner/RED%20BARON%20AIR%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 2021, S/N F5C-8F158 - [N557S](https://openairdocs.org/aircraft/N557S): [Autrey Air Charter LLC](https://openairdocs.org/faa-owner/AUTREY%20AIR%20CHARTER%20LLC), [East Palatka, FL](https://openairdocs.org/faa-place/FL/East%20Palatka), built 2014, S/N F5C-8-138 - [N562J](https://openairdocs.org/aircraft/N562J): [Cornerstone Air LLC](https://openairdocs.org/faa-owner/CORNERSTONE%20AIR%20LLC), [Advance, NC](https://openairdocs.org/faa-place/NC/Advance), built 2014, S/N F5C-8-139 - [N56ED](https://openairdocs.org/aircraft/N56ED): [Florida Seaplanes LLC](https://openairdocs.org/faa-owner/FLORIDA%20SEAPLANES%20LLC), [Altamonte Springs, FL](https://openairdocs.org/faa-place/FL/Altamonte%20Springs), built 1998, S/N F5C082 - [N5SL](https://openairdocs.org/aircraft/N5SL): [Lincke Sven](https://openairdocs.org/faa-owner/LINCKE%20SVEN), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2018, S/N F5C-8-153 - [N629SH](https://openairdocs.org/aircraft/N629SH): [Knci Corp](https://openairdocs.org/faa-owner/KNCI%20CORP), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 2017, S/N F5C-8-151, Non-citizen corporation, flight hours not reported - [N661JK](https://openairdocs.org/aircraft/N661JK): [Baumann Jon G](https://openairdocs.org/faa-owner/BAUMANN%20JON%20G), [Johnson City, TX](https://openairdocs.org/faa-place/TX/Johnson%20City), built 2024, S/N F5C-8-161 - [N679RJ](https://openairdocs.org/aircraft/N679RJ): [Travelaire Service Inc](https://openairdocs.org/faa-owner/TRAVELAIRE%20SERVICE%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1941, S/N 5553 - [N685MK](https://openairdocs.org/aircraft/N685MK): [Young Randy Kent](https://openairdocs.org/faa-owner/YOUNG%20RANDY%20KENT), [Wichita Falls, TX](https://openairdocs.org/faa-place/TX/Wichita%20Falls), built 2006, S/N F5C-8-147 - [N90TS](https://openairdocs.org/aircraft/N90TS): [Condor LLC](https://openairdocs.org/faa-owner/CONDOR%20LLC), [Ponte Vedra Beach, FL](https://openairdocs.org/faa-place/FL/Ponte%20Vedra%20Beach), built 2011, S/N F5C-8-127 - [N920JV](https://openairdocs.org/aircraft/N920JV): [212 Investments Of Montana LLC](https://openairdocs.org/faa-owner/212%20INVESTMENTS%20OF%20MONTANA%20LLC), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), built 2016, S/N F5C-8-145 - [N9RG](https://openairdocs.org/aircraft/N9RG): [Ascend Ag Inc](https://openairdocs.org/faa-owner/ASCEND%20AG%20INC), [Wall, SD](https://openairdocs.org/faa-place/SD/Wall), built 2015, S/N F5C-8-141 ## NTSB investigations (11) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB CEN22LA338](https://openairdocs.org/ntsb/CEN22LA338), Jul 23, 2022: Waco Classic YMF-5C (N140W), Oshkosh, WI, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing roll with a tailwind. - [NTSB ERA20CA214](https://openairdocs.org/ntsb/ERA20CA214), Jun 13, 2020: Waco YMF F5C (N323TX), Ghent, NY, substantial damage. Probable cause: A loss of directional control on takeoff, which resulted in a runway excursion and collision with trees. - [NTSB CEN16LA254](https://openairdocs.org/ntsb/CEN16LA254), Jul 2, 2016: Waco YMF-F5C (N30AB), Austin, TX, substantial damage. Probable cause: A total loss of engine power for undetermined reasons. - [NTSB CEN16LA196](https://openairdocs.org/ntsb/CEN16LA196), May 19, 2016: Waco Classic YMF (N56ED), West Des Moines, IA, substantial damage. Probable cause: The pilot's mismanagement of the airplane's fuel supply, which resulted in a total loss of engine power due to fuel starvation. - [NTSB WPR15CA074](https://openairdocs.org/ntsb/WPR15CA074), Jan 3, 2015: Waco Classic YMF F5C (N171L), San Luis Obispo, CA, substantial damage. Probable cause: The accidental application of the brakes by the passenger during landing roll which resulted in the airplane nosing over. - [NTSB ERA14LA319](https://openairdocs.org/ntsb/ERA14LA319), Jun 29, 2014: Waco UPF 7 (N32162), Warrenton, VA, substantial damage. Probable cause: A total loss of engine power during a low pass for reasons that could not be determined during postaccident examination of the engine. - [NTSB WPR14CA103](https://openairdocs.org/ntsb/WPR14CA103), Jan 25, 2014: Waco Classic YMF F5C (N188L), Renton, WA, substantial damage. Probable cause: The pilot's failure to maintain directional control of the airplane during landing. - [NTSB CEN12CA024](https://openairdocs.org/ntsb/CEN12CA024), Oct 16, 2011: Waco Classic YMF-F5C (N415WW), Moriarty, NM, substantial damage. Probable cause: The pilot's failure to maintain control of the airplane during the landing roll. - [NTSB IAD00LA066](https://openairdocs.org/ntsb/IAD00LA066), Jul 23, 2000: Waco UPF7 (N32162), Warrenton, VA, substantial damage. Probable cause: the loss of engine power over unsuitable terrain due to an inoperative magneto. - [NTSB NYC89LA180](https://openairdocs.org/ntsb/NYC89LA180), Aug 2, 1989: Waco UPF-7 (N39752), Plymouth, NH, substantial damage. Probable cause: LOSS OF DIRECTIONAL CONTROL DURING AN ABORTED TAKEOFF. THE DITCH WAS A RELATED FACTOR. - [NTSB MIA89LA112](https://openairdocs.org/ntsb/MIA89LA112), Mar 21, 1989: Waco UPF-7 (N39752), Marathon, FL, substantial damage. Probable cause: THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRCRAFT AND INADVERTENTLY ALLOWED IT TO GROUND LOOP. CROSSWIND WAS A CONTRIBUTING FACTOR. ## FAA accident and incident reports (16) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20251125019229I](https://openairdocs.org/incident/20251125019229I), Nov 25, 2025: Waco Classic Aircraft YMF-F5C (N90TS), Saint Augustine, FL, Minor damage. The airline transport pilot, along with a passenger, was taxiing his Waco for a VFR departure at Northeast Florida Regional Airport. An aircraft taxiing in… - [Accident 20220723013009A](https://openairdocs.org/incident/20220723013009A), Jul 23, 2022: Waco Classic Aircraft YMF-F5C (N140W), Substantial damage. Cleared to land rwy 27 with winds 09008 due to a mass arrival of bonanzas rwy 36. Main wheel landing was normal but before he could complete the landing, the… - [Accident 20200613010709A](https://openairdocs.org/incident/20200613010709A), Jun 13, 2020: Waco Classic Aircraft YMF-F5C (N323TX), Ghent, NY, Substantial damage. 06/13/2020 - Pilot and passenger attempted to depart NY1. Upon departure aircraft control was lost. Aircraft impacted tree's on the left side of runway before… - [Incident 20200212006819I](https://openairdocs.org/incident/20200212006819I), Feb 12, 2020: Waco Classic Aircraft YMF-F5C (N346W), Lihue, HI, Minor damage. Lihue, HI (lih), N346W, Waco ymf, landed runway 35, wind lifted tail and spun aircraft off runway Winds were reported as 090 at 11 knots gusts 16 knots at the… - [Accident 20160702011769A](https://openairdocs.org/incident/20160702011769A), Jul 2, 2016: Waco YMF-F5C (N30AB), Austin, TX, Destroyed. Pilot was on an air tour flight with two passengers on board approximately 1500 ft MSL over lake travis in Austin Texas. Aircraft engine began to sputter for a… - [Accident 20160519006689A](https://openairdocs.org/incident/20160519006689A), May 19, 2016: Waco WACO-YMF (N56ED), West Des Moines, IA, Substantial damage. Airman departed the dsm airport for pleasure flight. Experienced loss of power while in flight approximately 3 miles west of the airport. He attempted an… - [Accident 20150103005989A](https://openairdocs.org/incident/20150103005989A), Jan 3, 2015: Waco Classic Aircraft YMF-F5C (N171L), San Luis Obispo, CA, Substantial damage. Landing runway 29, pilot stated he had a left quartering tail wind. Made a normal wheel landing. Landed normally and at the end of roll out, speed approx 30-40… - [Accident 20140629012059A](https://openairdocs.org/incident/20140629012059A), Jun 29, 2014: Waco UPF-7 (N32162), Bealton, VA, Substantial damage. While flying in formation at the flying circus aerodrome in Bealton, VA, a Waco UPF-7 (NC32162) made a forced landing in an open field after the engine quit.… - [Incident 20140222002789I](https://openairdocs.org/incident/20140222002789I), Feb 22, 2014: Waco Classic Aircraft YMF-F5C (N171L), Carlsbad, CA, Minor damage. Pilot [privacy data omitted] took of from runway 24 at palomar airport in Carlsbad, CA (crq) after sunset. He stated that as he climbed away from the end of… - [Accident 20140125000379A](https://openairdocs.org/incident/20140125000379A), Jan 25, 2014: Waco YMF WACO F5C (N188L), Renton, WA, Substantial damage. Pilot statement: The planned flight was a personal training session in my Waco biplane. Weather conditions at Renton municipal airport (krnt) were VFR. ATIS… - [Accident 20111016024399A](https://openairdocs.org/incident/20111016024399A), Oct 16, 2011: Waco Classic Aircraft YMF-F5C (N415WW), Moriarty, NM, Substantial damage. On October 16, 2011, at 1657Z, a Waco YMF-F5C, N415WW, registered to Waco classic aicraft corp., nosed over on landing at Moriarty Airport, Moriarty, NM, while… - [Accident 20000723007299A](https://openairdocs.org/incident/20000723007299A), Jul 23, 2000: Waco UPF7 (N32162), Warrenton, VA, No damage. (-23) On July 23, 2000, at approximately 1315 local time, N32162, a Waco model YPF7 crashed while attempting a takeoff at the Flying cirus Aerodrome airport… - [Incident 20000525032329I](https://openairdocs.org/incident/20000525032329I), May 25, 2000: Waco UPF7 (N39752), Washington, IN, Minor damage. (-23)Airman was attempting a crosswind landing to the south on runway 18 at davis co. airport. Winds, as reported by airman, were light and variable from the… - [Accident 19890802026699A](https://openairdocs.org/incident/19890802026699A), Aug 2, 1989: Waco UPF7 (N39752), Plymouth, NH, Substantial damage. Airplane felt sluggish after liftoff. Aborted. Veered into a ditch and nosed over. - [Accident 19890321033189A](https://openairdocs.org/incident/19890321033189A), Mar 21, 1989: Waco UPF7 (N39752), Marathon, FL, Substantial damage. Ground looped on landing roll collapsed left main gear. - [Incident 19880626069499I](https://openairdocs.org/incident/19880626069499I), Jun 26, 1988: Waco UPF7 (N39752), Orange, MA, Minor damage. Right wheel dangling from strut. Landed beside runway. Strut dug into dirt. Nosed over. Retaining bolt missing. ## Service difficulty reports (1) As reported by operators and repair stations, by the model named in the report. - [SDR 2016FA0000655](https://openairdocs.org/sdr/2016FA0000655), Dec 14, 2016: PROPELLER. BURNED. PILOT REPORTED VIBRATION IN FLIGHT 1800 RPM. ON LANDING ROLL OUT PILOT SMELLED WOOD SMOKE. VISUAL INSPECTION OF PROPELLER AND HUB FOUND SOOT ESCAPING FROM BEHIN ## STCs that may be installed (OpenAirDocs) (7) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC - [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc - [STC SE572SW](https://openairdocs.org/stc/SE572SW): Installation of Jacobs RAS325A exhaust valve rotocaps. Air Repair Inc - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists R-755A Series - [STC SE01288WI](https://openairdocs.org/stc/SE01288WI): Modification of Engines to replace carburetor with fuel injection. Data required: (1) Butterfly Aviation Master Drawing List Report BA1001-11, dated October 28, 2004, and (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1001-8, dated October 26, 2004, or later FAA Approved revisions to (1) or (2). Radial Engines Ltd - [STC SE01243WI](https://openairdocs.org/stc/SE01243WI): Installation of Barron Aviation intake tube drain kits on the engines listed on the attached FAA Approved Model List (AML) No. SE01243WI, dated April 26, 2004, or later FAA Approved revision. Barron Aviation - [STC SE639SW](https://openairdocs.org/stc/SE639SW): Continental W-670 link rods. Aircraft Engine Service Inc. Lists R-755A Series --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.