# Lycoming R680E3B - Type: Engine model (FAA registry) - Registry code: 42025 - Manufacturer (registry): LYCOMING - Model: R680E3B - Engine type: Reciprocating - Power: 300 hp - Data sheet: [TCDS E-202](https://openairdocs.org/tcds/E-202) (OpenAirDocs) - Holder: Textron Lycoming AVCO Corporation - Installed in: 13 registered aircraft - Page: https://openairdocs.org/engine/lycoming-r680e3b 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. - [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012 - [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004 - [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996 - [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991 - [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969 ## Registered aircraft (13) - [N1053M](https://openairdocs.org/aircraft/N1053M): [Mulvey Tim C](https://openairdocs.org/faa-owner/MULVEY%20TIM%20C), [Lockport, NY](https://openairdocs.org/faa-place/NY/Lockport), built 1944, S/N 755536 - [N15LZ](https://openairdocs.org/aircraft/N15LZ): [Zambrano Mario](https://openairdocs.org/faa-owner/ZAMBRANO%20MARIO), [Austin, TX](https://openairdocs.org/faa-place/TX/Austin), built 1945, S/N 755460 - [N44821](https://openairdocs.org/aircraft/N44821): [Josselyn Jeffrey Scott](https://openairdocs.org/faa-owner/JOSSELYN%20JEFFREY%20SCOTT), [Midlothian, TX](https://openairdocs.org/faa-place/TX/Midlothian), built 1942, S/N 4488 - [N467WP](https://openairdocs.org/aircraft/N467WP): [Palmer Thomas T](https://openairdocs.org/faa-owner/PALMER%20THOMAS%20T), [Kapowsin, WA](https://openairdocs.org/faa-place/WA/Kapowsin), built 1943, S/N 75-4828 - [N472N](https://openairdocs.org/aircraft/N472N): [Zeiler Richard Trustee](https://openairdocs.org/faa-owner/ZEILER%20RICHARD%20TRUSTEE), [Thousand Oaks, CA](https://openairdocs.org/faa-place/CA/Thousand%20Oaks), built 1929, S/N 1362 - [N5123N](https://openairdocs.org/aircraft/N5123N): [Oakley Linwood E](https://openairdocs.org/faa-owner/OAKLEY%20LINWOOD%20E), [Zebulon, NC](https://openairdocs.org/faa-place/NC/Zebulon), built 1943, S/N 75-7438 - [N5323N](https://openairdocs.org/aircraft/N5323N): [3g Classic Aviation Inc](https://openairdocs.org/faa-owner/3G%20CLASSIC%20AVIATION%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1942, S/N 75-5809 - [N53406](https://openairdocs.org/aircraft/N53406): [Barber Steven](https://openairdocs.org/faa-owner/BARBER%20STEVEN), [Buckley, WA](https://openairdocs.org/faa-place/WA/Buckley), built 1941, S/N 75572 - [N62201](https://openairdocs.org/aircraft/N62201): [Haenlein Kenneth](https://openairdocs.org/faa-owner/HAENLEIN%20KENNETH), [Southern Pines, NC](https://openairdocs.org/faa-place/NC/Southern%20Pines), built 1941, S/N 75-1859 - [N64890](https://openairdocs.org/aircraft/N64890): [Michael Anna B](https://openairdocs.org/faa-owner/MICHAEL%20ANNA%20B), [Lexington, NC](https://openairdocs.org/faa-place/NC/Lexington), built 1942, S/N 75-6858 - [N65502](https://openairdocs.org/aircraft/N65502): [Olmsted Stuart](https://openairdocs.org/faa-owner/OLMSTED%20STUART), [Dahinda, IL](https://openairdocs.org/faa-place/IL/Dahinda), built 1941, S/N 75-539 - [N7995](https://openairdocs.org/aircraft/N7995): [Sg Squadron LLC](https://openairdocs.org/faa-owner/SG%20SQUADRON%20LLC), [Park City, UT](https://openairdocs.org/faa-place/UT/Park%20City), built 1943, S/N 75-7995 - [N9300H](https://openairdocs.org/aircraft/N9300H): [Galler Mary D Trustee](https://openairdocs.org/faa-owner/GALLER%20MARY%20D%20TRUSTEE), [Elysian, MN](https://openairdocs.org/faa-place/MN/Elysian), S/N 75-8573 ## NTSB investigations (7) 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 WPR24LA164](https://openairdocs.org/ntsb/WPR24LA164), May 27, 2024: Boeing-Stearman PT-17 (N7995), Heber City, UT, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing roll. - [NTSB ANC06LA058](https://openairdocs.org/ntsb/ANC06LA058), May 21, 2006: Boeing A75-L3 (N60562), Lake Wales, FL, substantial damage. Probable cause: The pilot's failure to maintain proper runway alignment during the takeoff roll, which resulted in a collision with trees during a precautionary landing when the airplane touched down to the right of… - [NTSB FTW80FRG54](https://openairdocs.org/ntsb/FTW80FRG54), Jul 5, 1980: Boeing B75N1 (N64890), Raymondville, TX, substantial damage - [NTSB LAX76DVA80](https://openairdocs.org/ntsb/LAX76DVA80), Jul 27, 1976: Boeing IB75A (N53406), Shafter, CA, substantial damage - [NTSB FTW76DRG67](https://openairdocs.org/ntsb/FTW76DRG67), Jul 12, 1976: Boeing B75N1 (N64890), Raymondville, TX, substantial damage - [NTSB LAX75DVA32](https://openairdocs.org/ntsb/LAX75DVA32), Oct 18, 1974: Boeing IB75A (N53406), Shafter, CA, substantial damage - [NTSB FTW68D0148](https://openairdocs.org/ntsb/FTW68D0148), Aug 5, 1967: Boeing E75 (N1544M), Osceola, AR, substantial damage ## FAA accident and incident reports (8) 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. - [Accident 20240527006599A](https://openairdocs.org/incident/20240527006599A), May 27, 2024: Boeing B75N1 (N7995), Heber, UT, Substantial damage. First pilot was receiving flight instruction for currency from the second pilot. Upon landing roll out the aircraft veered off the runway on to terrain and… - [Accident 20220920019729A](https://openairdocs.org/incident/20220920019729A), Sep 20, 2022: Naval Aircraft Factory N3N-3 (N44821), Riverside, CA, Substantial damage. On September 20, 2022, the aircraft [privacy data omitted], N3N-3, on landing runway 27 Riverside airport (ral), veered off to the south side of the runway and… - [Incident 20220624020779I](https://openairdocs.org/incident/20220624020779I), Jun 24, 2022: Boeing B75N1 (N7995), Hill Afb, UT, Minor damage. On June 24, 2022, the pilot of aircraft [privacy data omitted] flew into Hill Afb for an airshow that would begin the next day. The pilot stated he was… - [Accident 20060521010909A](https://openairdocs.org/incident/20060521010909A), May 21, 2006: Boeing A75L3 (N60562), Lakes Wales, FL, Substantial damage. (-23) Pilot stated that on takeoff aircraft did not develop full power once airborne. Pilot allowed aircraft to drift to the right of centerline of the runway… - [Accident 19800705024959A](https://openairdocs.org/incident/19800705024959A), Jul 5, 1980: Boeing B75N1 (N64890), Raymondville, TX, Substantial damage. Engine quit en route to spray area. Stalled airplane 30 feet in air on emergency landing. Frozen piston. - [Accident 19760727020419A](https://openairdocs.org/incident/19760727020419A), Jul 27, 1976: Boeing IB75A (N53406), Shafter, CA, Substantial damage - [Accident 19760712025569A](https://openairdocs.org/incident/19760712025569A), Jul 12, 1976: Boeing B75N1 (N64890), Raymondville, TX, Substantial damage. Push rod failed. - [Accident 19741018033909A](https://openairdocs.org/incident/19741018033909A), Oct 18, 1974: Boeing IB75A (N53406), Shafter, CA, Substantial damage. Lnd next to unltd rwy & hit hole. ## STCs that may be installed (OpenAirDocs) (5) 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 SE2407CE](https://openairdocs.org/stc/SE2407CE): Add the following approved fuel: unleaded automotive gas, 91 minimum antiknock index and leaded automotive gas, 91 minimum antiknock index, (RON+MON)/2. Petersen Aviation Inc - [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists R-680 Series - [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists R-680 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.