# Franklin 6A8 series

- Type: Engine model (FAA registry)
- Registry code: 27030
- Manufacturer (registry): FRANKLIN
- Model: 6A8 SERIES
- Engine type: Reciprocating
- Power: 215 hp
- Data sheet: [TCDS E-242](https://openairdocs.org/tcds/E-242) (OpenAirDocs)
- Holder: Franklin Sp. z.o.o.
- Installed in: 107 registered aircraft
- Page: https://openairdocs.org/engine/franklin-6a8-series

The registry names only the engine series, so ADs for every model in the series are matched.

## 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 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more

## Registered aircraft (107, first 50)

- [N12CX](https://openairdocs.org/aircraft/N12CX): [Hinds Bruce R](https://openairdocs.org/faa-owner/HINDS%20BRUCE%20R), [Port Orchard, WA](https://openairdocs.org/faa-place/WA/Port%20Orchard), built 1947, S/N 264
- [N12XE](https://openairdocs.org/aircraft/N12XE): [Macleod Edward N](https://openairdocs.org/faa-owner/MACLEOD%20EDWARD%20N), [Trenton, ME](https://openairdocs.org/faa-place/ME/Trenton), built 1947, S/N 1059
- [N15387](https://openairdocs.org/aircraft/N15387): [Nelson Ranley R](https://openairdocs.org/faa-owner/NELSON%20RANLEY%20R), [Butler, PA](https://openairdocs.org/faa-place/PA/Butler), built 1935, S/N 3010
- [N191V](https://openairdocs.org/aircraft/N191V): [Mcgregor Carter III](https://openairdocs.org/faa-owner/MCGREGOR%20CARTER%20III), [Wichita Falls, TX](https://openairdocs.org/faa-place/TX/Wichita%20Falls), built 1946, S/N 150
- [N209C](https://openairdocs.org/aircraft/N209C): [Rezin David L](https://openairdocs.org/faa-owner/REZIN%20DAVID%20L), [Warrens, WI](https://openairdocs.org/faa-place/WI/Warrens), built 1947, S/N 108-3209
- [N20CB](https://openairdocs.org/aircraft/N20CB): [Hayes Jack D](https://openairdocs.org/faa-owner/HAYES%20JACK%20D), [Kingman, AZ](https://openairdocs.org/faa-place/AZ/Kingman), built 1947, S/N 522
- [N217G](https://openairdocs.org/aircraft/N217G): [Hoag Tom E](https://openairdocs.org/faa-owner/HOAG%20TOM%20E), [Bellevue, WA](https://openairdocs.org/faa-place/WA/Bellevue), built 1947, S/N 797
- [N2319M](https://openairdocs.org/aircraft/N2319M): [Alquist Kevin B](https://openairdocs.org/faa-owner/ALQUIST%20KEVIN%20B), [Edwardsville, KS](https://openairdocs.org/faa-place/KS/Edwardsville), S/N 471
- [N27CB](https://openairdocs.org/aircraft/N27CB): [Huey Andrew G](https://openairdocs.org/faa-owner/HUEY%20ANDREW%20G), [Fulton, MO](https://openairdocs.org/faa-place/MO/Fulton), built 1947, S/N 262
- [N2TB](https://openairdocs.org/aircraft/N2TB): [Whalen Shenandoah](https://openairdocs.org/faa-owner/WHALEN%20SHENANDOAH), [Amelia, OH](https://openairdocs.org/faa-place/OH/Amelia), built 1947, S/N 819
- [N2ZT](https://openairdocs.org/aircraft/N2ZT): [Bold William H Jr](https://openairdocs.org/faa-owner/BOLD%20WILLIAM%20H%20JR), [Annapolis, MD](https://openairdocs.org/faa-place/MD/Annapolis), built 1947, S/N 671
- [N328CB](https://openairdocs.org/aircraft/N328CB): [Thorne Matthew L](https://openairdocs.org/faa-owner/THORNE%20MATTHEW%20L), [Vicksburg, MI](https://openairdocs.org/faa-place/MI/Vicksburg), S/N 940
- [N451E](https://openairdocs.org/aircraft/N451E): [Mensing Roger G](https://openairdocs.org/faa-owner/MENSING%20ROGER%20G), [Sarasota, FL](https://openairdocs.org/faa-place/FL/Sarasota), built 1946, S/N 182
- [N461WW](https://openairdocs.org/aircraft/N461WW): [Beewitched LLC](https://openairdocs.org/faa-owner/BEEWITCHED%20LLC), [Denver, NC](https://openairdocs.org/faa-place/NC/Denver), built 1947, S/N 461
- [N5090J](https://openairdocs.org/aircraft/N5090J): [Attitude Toys LLC](https://openairdocs.org/faa-owner/ATTITUDE%20TOYS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1946, S/N 244
- [N6007K](https://openairdocs.org/aircraft/N6007K): [Park Richard A](https://openairdocs.org/faa-owner/PARK%20RICHARD%20A), [Alameda, CA](https://openairdocs.org/faa-place/CA/Alameda), built 1946, S/N 177
- [N6041K](https://openairdocs.org/aircraft/N6041K): [Ludmerer Victor J](https://openairdocs.org/faa-owner/LUDMERER%20VICTOR%20J), [Greenwood Lake, NY](https://openairdocs.org/faa-place/NY/Greenwood%20Lake), built 1946, S/N 216
- [N6047K](https://openairdocs.org/aircraft/N6047K): [Mummy Mountain Med LLC](https://openairdocs.org/faa-owner/MUMMY%20MOUNTAIN%20MED%20LLC), [Paradise Valley, AZ](https://openairdocs.org/faa-place/AZ/Paradise%20Valley), S/N 222
- [N6048K](https://openairdocs.org/aircraft/N6048K): [Western Antique Aeroplane & Automobile Museum](https://openairdocs.org/faa-owner/WESTERN%20ANTIQUE%20AEROPLANE%20%26%20AUTOMOBILE%20MUSEUM), [Hood River, OR](https://openairdocs.org/faa-place/OR/Hood%20River), built 1947, S/N 223
- [N6072K](https://openairdocs.org/aircraft/N6072K): [Weiss Elliott](https://openairdocs.org/faa-owner/WEISS%20ELLIOTT), [Fresno, TX](https://openairdocs.org/faa-place/TX/Fresno), built 1947, S/N 252
- [N6097K](https://openairdocs.org/aircraft/N6097K): [Guntly David A](https://openairdocs.org/faa-owner/GUNTLY%20DAVID%20A), [Franksville, WI](https://openairdocs.org/faa-place/WI/Franksville), built 1947, S/N 280
- [N6102K](https://openairdocs.org/aircraft/N6102K): [Ses Bee LLC](https://openairdocs.org/faa-owner/SES%20BEE%20LLC), [Appleton, WI](https://openairdocs.org/faa-place/WI/Appleton), built 1947, S/N 285
- [N6113K](https://openairdocs.org/aircraft/N6113K): S/N 296
- [N6118K](https://openairdocs.org/aircraft/N6118K): [Allen Richard P](https://openairdocs.org/faa-owner/ALLEN%20RICHARD%20P), [Southampton, NJ](https://openairdocs.org/faa-place/NJ/Southampton), built 1947, S/N 301
- [N6125K](https://openairdocs.org/aircraft/N6125K): [Bolognese Joseph Jr](https://openairdocs.org/faa-owner/BOLOGNESE%20JOSEPH%20JR), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1947, S/N 311
- [N6138K](https://openairdocs.org/aircraft/N6138K): [Bassett Douglas C](https://openairdocs.org/faa-owner/BASSETT%20DOUGLAS%20C), [Long Lake, NY](https://openairdocs.org/faa-place/NY/Long%20Lake), built 1947, S/N 324
- [N6175K](https://openairdocs.org/aircraft/N6175K): [Optimus Aircraft Service Inc](https://openairdocs.org/faa-owner/OPTIMUS%20AIRCRAFT%20SERVICE%20INC), [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown), built 1947, S/N 363
- [N6190K](https://openairdocs.org/aircraft/N6190K): [Mampel Gregory John](https://openairdocs.org/faa-owner/MAMPEL%20GREGORY%20JOHN), [New Port Richey, FL](https://openairdocs.org/faa-place/FL/New%20Port%20Richey), built 1947, S/N 381
- [N6200K](https://openairdocs.org/aircraft/N6200K): [Lunney Arthur T](https://openairdocs.org/faa-owner/LUNNEY%20ARTHUR%20T), [Kilmarnock, VA](https://openairdocs.org/faa-place/VA/Kilmarnock), built 1947, S/N 396
- [N6201K](https://openairdocs.org/aircraft/N6201K): [Lawson William E](https://openairdocs.org/faa-owner/LAWSON%20WILLIAM%20E), [Somerset, WI](https://openairdocs.org/faa-place/WI/Somerset), built 1947, S/N 397
- [N6202K](https://openairdocs.org/aircraft/N6202K): [Mid Atlantic Air Museum](https://openairdocs.org/faa-owner/MID%20ATLANTIC%20AIR%20MUSEUM), [Reading, PA](https://openairdocs.org/faa-place/PA/Reading), built 1947, S/N 398
- [N6204K](https://openairdocs.org/aircraft/N6204K): [Pvb36 Leasing LLC](https://openairdocs.org/faa-owner/PVB36%20LEASING%20LLC), [Denton, TX](https://openairdocs.org/faa-place/TX/Denton), built 1947, S/N 404
- [N6208K](https://openairdocs.org/aircraft/N6208K): [Bishop Bruce L](https://openairdocs.org/faa-owner/BISHOP%20BRUCE%20L), [Durango, CO](https://openairdocs.org/faa-place/CO/Durango), built 1947, S/N 408
- [N6209K](https://openairdocs.org/aircraft/N6209K): [Nobleartaviation Inc Trustee](https://openairdocs.org/faa-owner/NOBLEARTAVIATION%20INC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1947, S/N 409
- [N6222K](https://openairdocs.org/aircraft/N6222K): [Bromschwig Kurt F Trustee](https://openairdocs.org/faa-owner/BROMSCHWIG%20KURT%20F%20TRUSTEE), [Montgomery, TX](https://openairdocs.org/faa-place/TX/Montgomery), built 1947, S/N 425
- [N6224K](https://openairdocs.org/aircraft/N6224K): [Southern Aircraft Consultancy Inc Trustee](https://openairdocs.org/faa-owner/SOUTHERN%20AIRCRAFT%20CONSULTANCY%20INC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1947, S/N 430
- [N6230K](https://openairdocs.org/aircraft/N6230K): [Cuny John B](https://openairdocs.org/faa-owner/CUNY%20JOHN%20B), [Carlsborg, WA](https://openairdocs.org/faa-place/WA/Carlsborg), built 1947, S/N 433
- [N6234K](https://openairdocs.org/aircraft/N6234K): [Nab Air LLC](https://openairdocs.org/faa-owner/NAB%20AIR%20LLC), [Idaho Springs, CO](https://openairdocs.org/faa-place/CO/Idaho%20Springs), built 1947, S/N 437
- [N6240K](https://openairdocs.org/aircraft/N6240K): [Janus William Walter](https://openairdocs.org/faa-owner/JANUS%20WILLIAM%20WALTER), [Belchertown, MA](https://openairdocs.org/faa-place/MA/Belchertown), built 1947, S/N 443
- [N62544](https://openairdocs.org/aircraft/N62544): [Brown George H](https://openairdocs.org/faa-owner/BROWN%20GEORGE%20H), [Youngstown, NY](https://openairdocs.org/faa-place/NY/Youngstown), built 1947, S/N 464
- [N6256K](https://openairdocs.org/aircraft/N6256K): [Miller Byron W](https://openairdocs.org/faa-owner/MILLER%20BYRON%20W), [Rosburg, WA](https://openairdocs.org/faa-place/WA/Rosburg), built 1947, S/N 463
- [N6283K](https://openairdocs.org/aircraft/N6283K): [Traylor Robert B](https://openairdocs.org/faa-owner/TRAYLOR%20ROBERT%20B), [Millersview, TX](https://openairdocs.org/faa-place/TX/Millersview), built 1947, S/N 496
- [N6294K](https://openairdocs.org/aircraft/N6294K): [Hill Bruce J](https://openairdocs.org/faa-owner/HILL%20BRUCE%20J), [Mc Alpin, FL](https://openairdocs.org/faa-place/FL/Mc%20Alpin), built 1947, S/N 507
- [N6302K](https://openairdocs.org/aircraft/N6302K): [Randall Adam M](https://openairdocs.org/faa-owner/RANDALL%20ADAM%20M), [Au Sable Forks, NY](https://openairdocs.org/faa-place/NY/Au%20Sable%20Forks), S/N 518
- [N6317K](https://openairdocs.org/aircraft/N6317K): [Coutches Steven S](https://openairdocs.org/faa-owner/COUTCHES%20STEVEN%20S), [Cameron Park, CA](https://openairdocs.org/faa-place/CA/Cameron%20Park), built 1947, S/N 540
- [N6323K](https://openairdocs.org/aircraft/N6323K): [Kosir John](https://openairdocs.org/faa-owner/KOSIR%20JOHN), [Chardon, OH](https://openairdocs.org/faa-place/OH/Chardon), built 1947, S/N 547
- [N6342K](https://openairdocs.org/aircraft/N6342K): [Bjorlie Paul A](https://openairdocs.org/faa-owner/BJORLIE%20PAUL%20A), [Pekin, ND](https://openairdocs.org/faa-place/ND/Pekin), built 1947, S/N 566
- [N6352K](https://openairdocs.org/aircraft/N6352K): [Coleman Aeromarine Inc](https://openairdocs.org/faa-owner/COLEMAN%20AEROMARINE%20INC), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland), built 1947, S/N 581
- [N6356K](https://openairdocs.org/aircraft/N6356K): [Monarch M Miller](https://openairdocs.org/faa-owner/MONARCH%20M%20MILLER), [Ocala, FL](https://openairdocs.org/faa-place/FL/Ocala), built 1947, S/N 585
- [N6373K](https://openairdocs.org/aircraft/N6373K): [Woodberry Robert A](https://openairdocs.org/faa-owner/WOODBERRY%20ROBERT%20A), [Mineral, VA](https://openairdocs.org/faa-place/VA/Mineral), built 1947, S/N 602

All 107: https://openairdocs.org/engine/franklin-6a8-series/aircraft.md

## NTSB investigations (55, newest 50)

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 WPR26LA153](https://openairdocs.org/ntsb/WPR26LA153), Apr 12, 2026: Republic RC-3 (N6518K), Phoenix, AZ, substantial damage, investigation ongoing
- [NTSB WPR25LA198](https://openairdocs.org/ntsb/WPR25LA198), Jun 28, 2025: Republic RC-3 (N6759K), Coolin, ID, substantial damage. Probable cause: The pilot’s failure to maintain control of the airplane and exceedance of the critical angle of attack during takeoff in windy conditions which resulted in a subsequent hard landing.
- [NTSB ERA21LA042](https://openairdocs.org/ntsb/ERA21LA042), Nov 16, 2020: Republic RC3 (N451E), Advance, NC, substantial damage. Probable cause: The pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN16LA355](https://openairdocs.org/ntsb/CEN16LA355), Aug 30, 2016: Republic RC3 (N6490K), Post Oak, MO, substantial damage. Probable cause: A partial loss of engine power due to low cylinder compression. Contributing to the loss of engine power was rust formation in the cylinders due to inactivity.
- [NTSB ERA16LA266](https://openairdocs.org/ntsb/ERA16LA266), Jul 22, 2016: Republic RC 3 (N87570), Winter Haven, FL, substantial damage, 1 fatal. Probable cause: Improper installation of a fuel line by unknown personnel, which resulted in a total loss of engine power during initial climb due to fuel starvation.
- [NTSB ERA12LA562](https://openairdocs.org/ntsb/ERA12LA562), Sep 15, 2012: Republic RC-3 (N6072K), Cedar Bluff, AL, substantial damage, 1 fatal. Probable cause: The pilot's failure to see and avoid power lines during final approach to landing.
- [NTSB WPR12LA318](https://openairdocs.org/ntsb/WPR12LA318), Jul 21, 2012: Republic RC-3 (N87521), Snohomish, WA, substantial damage. Probable cause: Loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal…
- [NTSB WPR09LA323](https://openairdocs.org/ntsb/WPR09LA323), Jul 1, 2009: Republic RC-3 (N87487), Burley, ID, substantial damage. Probable cause: The flight instructor's failure to maintain clearance from power lines during takeoff.
- [NTSB LAX07LA078](https://openairdocs.org/ntsb/LAX07LA078), Feb 2, 2007: Republic RC-3 (N6248K), Julian, CA, substantial damage. Probable cause: The failure of the propeller to crankshaft attachment bolts due to fatigue. A contributing factor was the improper installation of the propeller assembly by maintenance personnel.
- [NTSB LAX05LA172](https://openairdocs.org/ntsb/LAX05LA172), May 14, 2005: Republic RC-3 (N6292K), Geyserville, CA, substantial damage. Probable cause: A loss of engine power due to failure of the number 1 connecting rod bearing due to a probable oil starvation.
- [NTSB SEA03FA106](https://openairdocs.org/ntsb/SEA03FA106), Jun 17, 2003: Downer RC-3 (N6723K), Yelm, WA, destroyed, 1 fatal. Probable cause: The failure of the pilot to abort the takeoff roll. Factors contributing to the accident included the failure of the aircraft to accelerate for undetermined reasons and the trees.
- [NTSB SEA01LA154](https://openairdocs.org/ntsb/SEA01LA154), Aug 12, 2001: Republic RC-3 (N6755K), Chimacum, WA, substantial damage. Probable cause: An internal ground in the right magneto followed by an internal ground evidenced by arcing in the left ignition coil unit, which led to failure of both the right magneto and the left coil ignition…
- [NTSB CHI01LA013](https://openairdocs.org/ntsb/CHI01LA013), Oct 12, 2000: Republic RC-3 (N6175K), Baraboo, WI, substantial damage. Probable cause: the failure of the number five intake valve spring during initial climbout and that there was no suitable terrain during the forced landing. A factor was the corn crop.
- [NTSB NYC00LA169](https://openairdocs.org/ntsb/NYC00LA169), Jun 8, 2000: Republic RC3 (N60CB), Speculator, NY, substantial damage. Probable cause: The pilot inadvertently lowering the landing gear of the amphibian airplane for a water landing.
- [NTSB IAD96LA128](https://openairdocs.org/ntsb/IAD96LA128), Aug 5, 1996: Republic RC-3 (N6240K), Amos, Canada, substantial damage. Probable cause: the pilot's inadvertent wheels down landing on water. A related factor was his diverted attention during the landing.
- [NTSB FTW96LA081](https://openairdocs.org/ntsb/FTW96LA081), Dec 28, 1995: Republic RC 3 (N6127K), Whitewright, TX, substantial damage. Probable cause: The separation of a spark plug and 4 other spark plugs being 'finger' tight as a result of undertorquing by maintenance personnel when they were reinstalled following inspection. A factor was a lack…
- [NTSB FTW91LA101](https://openairdocs.org/ntsb/FTW91LA101), Jun 19, 1991: Republic RC-3 (N6441K), Kingsland, TX, minor damage. Probable cause: THE PILOT'S FAILURE TO FOLLOW PROCEDURES. A FACTOR WAS THE PILOT'S LACK OF EXPEREINCE IN SEAPLANES.
- [NTSB DEN85LA218](https://openairdocs.org/ntsb/DEN85LA218), Aug 13, 1985: Downer Aircraft Industries REP. Seabee RC-3 (N6305K), Haugan, MT, substantial damage
- [NTSB CHI85FA234](https://openairdocs.org/ntsb/CHI85FA234), Jun 16, 1985: Republic RC-3 (N6121K), Eveleth, MN, destroyed, 1 fatal
- [NTSB MIA85LA116](https://openairdocs.org/ntsb/MIA85LA116), Mar 9, 1985: Republic RC-3 (N6294K), Lake Placid, FL, destroyed
- [NTSB LAX84LA229](https://openairdocs.org/ntsb/LAX84LA229), Mar 22, 1984: Republic RC-3 (N6470K), Lakeport, CA, substantial damage
- [NTSB NYC83LA236](https://openairdocs.org/ntsb/NYC83LA236), Sep 4, 1983: Republic RC-3 (N6191K), Gilderland, NY, substantial damage
- [NTSB FTW82DA254](https://openairdocs.org/ntsb/FTW82DA254), Jun 26, 1982: Downer Aircraft Industries Republic RC-3 (N6441K), Llano, TX, substantial damage
- [NTSB SEA80FYE31](https://openairdocs.org/ntsb/SEA80FYE31), Apr 18, 1980: Republic RC-3 (N6470K), Port Angeles, WA, substantial damage
- [NTSB MIA79DLA27](https://openairdocs.org/ntsb/MIA79DLA27), May 19, 1979: Republic RC3 (N6204K), Perry, FL, substantial damage
- [NTSB IAD79FIA08](https://openairdocs.org/ntsb/IAD79FIA08), Mar 12, 1979: Republic RC-3 (N87491), Warrenton, VA, substantial damage
- [NTSB CHI79FEI08](https://openairdocs.org/ntsb/CHI79FEI08), Oct 29, 1978: Republic RC-3 (N12LS), Sandusky Bay, OH, substantial damage
- [NTSB LAX78DVA35](https://openairdocs.org/ntsb/LAX78DVA35), Apr 10, 1978: Republic RC-3 (N6392K), Buttonwillow, CA, substantial damage
- [NTSB IAD76AI034](https://openairdocs.org/ntsb/IAD76AI034), Nov 16, 1975: Republic RC-3 (N87505), Gastonia, NC, destroyed, 1 fatal
- [NTSB UNK74X0108](https://openairdocs.org/ntsb/UNK74X0108), May 28, 1974: Republic RC-3-1 (N6353K), Moon R, Canada, substantial damage
- [NTSB NYC73DNC20](https://openairdocs.org/ntsb/NYC73DNC20), Aug 9, 1972: Republic RC3 (N451E), Melvin Village, NH, substantial damage
- [NTSB CHI72FET34](https://openairdocs.org/ntsb/CHI72FET34), Jun 3, 1972: Downer RC-3 (N6097K), Ligonier, IN, substantial damage
- [NTSB NYC72FNE23](https://openairdocs.org/ntsb/NYC72FNE23), Feb 1, 1972: Republic RC-3 (N6111K), Danbury, CT, destroyed
- [NTSB OAK72FVW17](https://openairdocs.org/ntsb/OAK72FVW17), Nov 8, 1971: Republic RC-3 (N87545), Las Vegas, NV, destroyed
- [NTSB NYC72DFJ04](https://openairdocs.org/ntsb/NYC72DFJ04), Jun 20, 1971: Republic RC-3 (N6551K), Tonawanda, NY, substantial damage
- [NTSB MIA71DLD33](https://openairdocs.org/ntsb/MIA71DLD33), Nov 8, 1970: Republic RC-3 (N87537), Winter Haven, FL, substantial damage
- [NTSB LAX71FUA21](https://openairdocs.org/ntsb/LAX71FUA21), Oct 7, 1970: Republic RC-3 (N87564), Avalon, CA, substantial damage
- [NTSB OAK70DXQ03](https://openairdocs.org/ntsb/OAK70DXQ03), Feb 11, 1970: Republic RC-3 (N6652K), Homewood, CA, substantial damage
- [NTSB MIA70F0163](https://openairdocs.org/ntsb/MIA70F0163), Jun 16, 1969: Republic RC-3 (N6629K), Jacksonville, FL, substantial damage
- [NTSB CHI70D0010](https://openairdocs.org/ntsb/CHI70D0010), Jun 8, 1969: Republic RC-3 (N6011K), Albany, KY, substantial damage
- [NTSB OAK69F0098](https://openairdocs.org/ntsb/OAK69F0098), Jun 16, 1968: Republic RC-3 (N6375K), Sacramento, CA, destroyed
- [NTSB UNK67X0145](https://openairdocs.org/ntsb/UNK67X0145), Aug 6, 1967: Republic RC-3 (N6443K), Wanapitei Lke, Canada, substantial damage
- [NTSB MKC68F0112](https://openairdocs.org/ntsb/MKC68F0112), Jul 26, 1967: Republic RC-3 (N6342K), Nisswa, MN, substantial damage
- [NTSB NYC68A0001](https://openairdocs.org/ntsb/NYC68A0001), Jul 2, 1967: Republic RC-3 (N6475K), Searsport, ME, destroyed, 5 fatal
- [NTSB FTW67F0189](https://openairdocs.org/ntsb/FTW67F0189), Aug 28, 1966: Republic RC-3 (N87515), Benton, AR, substantial damage
- [NTSB MKC67F0167](https://openairdocs.org/ntsb/MKC67F0167), Jul 29, 1966: Republic RC-3 (N6629K), Wyoming, MN, substantial damage
- [NTSB MIA66F0500](https://openairdocs.org/ntsb/MIA66F0500), Mar 27, 1966: Republic RC-3 (N335G), Fransvilla, FL, destroyed
- [NTSB LAX66F0222](https://openairdocs.org/ntsb/LAX66F0222), Jan 8, 1966: Republic RC-3 (N87545), Pacoima, CA, substantial damage
- [NTSB FTW66D0333](https://openairdocs.org/ntsb/FTW66D0333), Sep 25, 1965: Republic RC-3 (N6328K), Fort Worth, TX, substantial damage
- [NTSB NYC66D0184](https://openairdocs.org/ntsb/NYC66D0184), Aug 15, 1965: Republic RC-3 (N6294K), East Rodman, NY, substantial damage

All 55: https://openairdocs.org/engine/franklin-6a8-series/ntsb.md

## FAA accident and incident reports (71, newest 50)

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 20260412003919A](https://openairdocs.org/incident/20260412003919A), Apr 12, 2026: Republic RC-3 (N6518K), Phoenix, AZ, Substantial damage. The aircraft departed AZ90 and proceeded east toward camelback mountain. During flight, the pilot heard a metallic “ting” sound and observed the engine RPM…
- [Accident 20250628008749A](https://openairdocs.org/incident/20250628008749A), Jun 28, 2025: Republic RC-3 (N6759K), Cavanaugh Bay, ID, Substantial damage. Reviewed video of accident. Water takeoff. During takeoff roll, aircraft was porpoising while heading close to the beach. It appeared right wing pontoon hit…
- [Incident 20250418004479I](https://openairdocs.org/incident/20250418004479I), Apr 18, 2025: Republic RC-3 (N6302K), Doylestown, PA, Minor damage. Pilot stated on final approach to runway 23 at dyl everything was normal. Upon landing he felt the main landing gear touch the runway followed by a bang coming…
- [Accident 20201116014859A](https://openairdocs.org/incident/20201116014859A), Nov 16, 2020: Republic RC-3 (N451E), Advance, NC, Substantial damage. Pilot departed NC26 for 8A7 with what he stated was 12-13 gallons of fuel. While approaching 8A7 (4 sm) the engine lost power to idle power. At 1 NM from the…
- [Accident 20160830015519A](https://openairdocs.org/incident/20160830015519A), Aug 30, 2016: Republic RC-3 (N6490K), Post Oak, MO, Substantial damage. On a cross country flight from rcm to the lake of the ozarks in Missouri, the pilot reported a loss of engine power. In an attempt to perform an emergency…
- [Accident 20160722017199A](https://openairdocs.org/incident/20160722017199A), Jul 22, 2016: Republic RC-3 (N87570), Lake Alfred, FL, Substantial damage, 1 fatal. The passenger stated they took off & were climbing out. The engine sounded funny. Some adjustments were made and the plane crashed. The plane didn't sound…
- [Incident 20160226001339I](https://openairdocs.org/incident/20160226001339I), Feb 26, 2016: Republic RC-3 (N5090J), Spring, TX, No damage. Pilot states that he was landing at dwh airport on runway 17R with a crosswind. Upon landing, the aircraft veered left, and the left wheel went off the side of…
- [Accident 20120915021409A](https://openairdocs.org/incident/20120915021409A), Sep 15, 2012: Republic RC-3 (N6072K), Cedar Bluff, AL, Destroyed, 1 fatal. During water landing operations aircraft hit transmission line crossing lake. Transmission line contact resulted in loss of aircraft control and subsequent…
- [Accident 20120721018729A](https://openairdocs.org/incident/20120721018729A), Jul 21, 2012: Republic RC-3 (N87521), Snohomish, WA, Substantial damage. Witness said it didn't sound like the eng was developing full power. They thought the pilot was doing a high speed taxi and not going to take off. Pilot lifted…
- [Incident 20110826019439I](https://openairdocs.org/incident/20110826019439I), Aug 26, 2011: Republic RC-3 (N6589K), Groton, CT, Minor damage. On 8/26/2011, airman [privacy data omitted], certificate #[privacy data omitted], departed the richmond airport, west kingston, rhode island (08R) at…
- [Incident 20110615011049I](https://openairdocs.org/incident/20110615011049I), Jun 15, 2011: Republic RC-3 (N6458K), Fort Pierce, FL, No damage. During a return flight from nassau Bahamas, pilot was given a clearance to land at st. Pierce international airport (kfpr) and clear customs. Pilot accepted…
- [Accident 20090701010459A](https://openairdocs.org/incident/20090701010459A), Jul 1, 2009: Stolam RC3 (N87487), Burley, ID, Substantial damage. (-23) Aircraft struck powerlines on takeoff climbout, when both pilots noted that aircraft was not maintaining climb performance. Weather was VMC at the time.…
- [Accident 20070202001629A](https://openairdocs.org/incident/20070202001629A), Feb 2, 2007: Stolam RC3 (N6248K), Julian, CA, Substantial damage. (-23) On February 2, 2007, about 1135 pacific standard time, a republic RC-3, N6248K, made a forced landing following the separation of the hub and propeller…
- [Accident 20050514010249A](https://openairdocs.org/incident/20050514010249A), May 14, 2005: Stolam RC3 (N6292K), Santa Rosa, CA, Substantial damage. (-23) Shortly after take off from sts, pilot noticed the engine oil temperature had risen from 180 to 190 degrees f. the pilot also noticed that they were not…
- [Incident 20040930027759I](https://openairdocs.org/incident/20040930027759I), Sep 30, 2004: Stolam RC3 (N6755K), Aurora, OR, Minor damage. (-23) On 9-30-04, N6755K, a republic RC-3 sea bee aircraft landed at Aurora State Airport, Aurora, OR, and the landing gear collapsed. The aircraft skidded on…
- [Incident 20040608010399I](https://openairdocs.org/incident/20040608010399I), Jun 8, 2004: Stolam RC3 (N6256K), Newman Lake, WA, Minor damage. (-23) Pilot departed felts field, spokane, WA., for Newman Lake, WA. Pilot reported he retracted the landing gear after take off. The pilot reported that he…
- [Incident 20030815020839I](https://openairdocs.org/incident/20030815020839I), Aug 15, 2003: Stolam RC3 (N6483K), Coeur D'Alene, ID, Substantial damage. (-23) Aircraft was on takeoff run off lake Coeur D'Alene when the pilot hit a large boat wake wave, tore off right sponson, spun around, then nosed over, hit…
- [Incident 20030801024039I](https://openairdocs.org/incident/20030801024039I), Aug 1, 2003: Stolam RC3 (N6201K), New Richmond, WI, Minor damage. (-23) 4 Miles after take off from the New Richmond WI. Airport, en route to oshkosh WI., aircraft developed engine problems and pilot was forced to make a…
- [Accident 20030616013249A](https://openairdocs.org/incident/20030616013249A), Jun 16, 2003: Downer RC3 (N6723K), Yelm, WA, Destroyed, 1 fatal. (-23) During take off, witnesses stated engine never sounded as if it was producing full power. Aircraft continued take off roll to end of the runway, became…
- [Incident 20020817022839I](https://openairdocs.org/incident/20020817022839I), Aug 17, 2002: Stolam RC3 (N6007K), Spokane, WA, Minor damage. (-23) On 08-17-2002 at approximately 0945 local time, the pilot of a seabee RC-3 N6007K made a gear-up landing at the Spokane Felts Field Airport (sff). The…
- [Incident 20020728037179I](https://openairdocs.org/incident/20020728037179I), Jul 28, 2002: Stolam RC3 (N6388K), La Belle, FL, Substantial damage. (-23) Pilot in command stated it was normal approach and landing with gear indicating down and locked. Upon touchdown main gear collapsed settling on keel.…
- [Incident 20011224035269I](https://openairdocs.org/incident/20011224035269I), Dec 24, 2001: Stolam RC3 (N217G), North Bend, OR, Minor damage. (-23) On 12/24/2001, N217G, a RC-3 republic aircraft (seabee) landed at North Bend airport, OR (oth). Main gears retracted upon landing. Pilot stated, "he had…
- [Accident 20010812038169A](https://openairdocs.org/incident/20010812038169A), Aug 12, 2001: Stolam RC3 (N6755K), Chimacum, WA, No damage. (-23) The sea FSDO was assisted in this accident investigation by pdx FSDO inspector john clark who submitted the following information as a result of his…
- [Incident 20001125022589I](https://openairdocs.org/incident/20001125022589I), Nov 25, 2000: Stolam RC3 (N6458K), Camarillo, CA. (-23)See attached sheet
- [Accident 20001012042989A](https://openairdocs.org/incident/20001012042989A), Oct 12, 2000: Stolam RC3 (N6175K), Baraboo, WI, Substantial damage. (-23) RC-3-3 a seabee, N6175K sustained substantial damage to the right wing sponson and wing spar and left main landing gear as a result of a forced landing…
- [Incident 20001003018389I](https://openairdocs.org/incident/20001003018389I), Oct 3, 2000: Stolam RC3 (N27CB), Portland, OR, Minor damage. (-23) Aircraft extended landing gear via normal hydraulics. On landing, gear gradually rolled aft to 2/3 retracted position. Lower keel beam skidded on runway.…
- [Incident 20000724028049I](https://openairdocs.org/incident/20000724028049I), Jul 24, 2000: Stolam RC3 (N6283K), Walled Lake, MI, Minor damage. (-23)N6138Q, a republic seabee, departed pontiac-oakland internal airport on an instructional flight with [privacy data omitted] as instructor and [privacy…
- [Incident 20000608033899I](https://openairdocs.org/incident/20000608033899I), Jun 8, 2000: Stolam RC3 (N60CB), Lake Pleasant, NY, Minor damage. (-23)While on approach for a water Landing at Lake Pleasant, speculator, NY, pilot lowered the Landing gear causing the aircraft to flip inverted on contact…
- [Accident 19990308045599A](https://openairdocs.org/incident/19990308045599A), Mar 8, 1999: Stolam RC3 (N6470K), Santa Rosa, NM, No damage. (-23)The pilot flew his RC-3-3, N6470K, from hereford, TX to Santa Rosa, NM where he stopped for fuel. After landing on runway 26 he initiated a 180 degree…
- [Incident 19980710030659I](https://openairdocs.org/incident/19980710030659I), Jul 10, 1998: Stolam RC3 (N335G), Shorewood, WI, No damage. Pilot began water takeoff, became airborne 60-65 mph, remained n "ground effect." Hit "swell" bursting left spunson. Taxied to shore, losing right sponson in…
- [Incident 19970419017229I](https://openairdocs.org/incident/19970419017229I), Apr 19, 1997: Stolam RC3 (N6505K), Bullhead City, AZ, Minor damage. Narrative: on April 19, 1997 at 1400 hrs PDT. Pilot of N6505K landed on runway 16 at bulkhead city airport. During rollout the main gear slowly retracted and…
- [Incident 19960903035469I](https://openairdocs.org/incident/19960903035469I), Sep 3, 1996: Stolam RC3 (N6256K), Ketchikan, AK, Minor damage. Narrative: after takeoff from the Ketchikan airport, about 200 feet in the air, the engine quit. He landed straight ahead on the remaining runway without…
- [Incident 19960818028069I](https://openairdocs.org/incident/19960818028069I), Aug 18, 1996: Stolam RC3 (N6713K), Haverhill, MA, Minor damage. Narrative: engine broke apart. Block split apart by center cylinder. Old engine appeared to be well maintained. Engine within annual inspection. Bob hancock @…
- [Incident 19960404010359I](https://openairdocs.org/incident/19960404010359I), Apr 4, 1996: Stolam RC3 (N6657K), Danbury, CT, Minor damage. Narrative: the pilot reported that at approximately 3 miles to the north east of dxr at an altitude of 2500' the engine began to lose power. The pilot lowered…
- [Incident 19960319009999I](https://openairdocs.org/incident/19960319009999I), Mar 19, 1996: Stolam RC3 (N6496K), San Andreas, CA, Minor damage. Narrative: 1. Aircraft was on personal flight to Washington state. 2. Engine failed on take off, forward right connecting rod broke loose at rod bolts,…
- [Accident 19951228042689A](https://openairdocs.org/incident/19951228042689A), Dec 28, 1995: Stolam RC3 (N6127K), Trenton, TX, Substantial damage. Lost power on climbout. Hit sign landing on road. Tore off wing. Spark plugs finger tight or missing. Not tightened (-23) on December 28, 1996, at 1600 CST, a…
- [Incident 19950926037489I](https://openairdocs.org/incident/19950926037489I), Sep 26, 1995: Stolam RC3 (N6523K), St Paul, MN, Minor damage. Main gear collapsed landing when brakes were applied. Gear springs stretched due heat stress. Lock not over center.
- [Incident 19950911034799I](https://openairdocs.org/incident/19950911034799I), Sep 11, 1995: Stolam RC3 (N6523K), Oceanside, CA, Minor damage. Main gear rotated aft on amphibious RC3. Slid on keel to a stop. Main gear bell crank to hydro actuator failed.
- [Incident 19940910043059I](https://openairdocs.org/incident/19940910043059I), Sep 10, 1994: Stolam RC3 (N6407K), Minneapolis, MN. Taxied by mistake into construction area. Wing tip struck a barrier.
- [Incident 19921205052419I](https://openairdocs.org/incident/19921205052419I), Dec 5, 1992: Stolam RC3 (N6523K), Boulder City, NV, Minor damage. Pilot inadvertantly lowered landing gear instead of flaps on a water landing. Gear caused aircraft to flip over.
- [Incident 19920508020959I](https://openairdocs.org/incident/19920508020959I), May 8, 1992: Stolam RC3 (N6767K), Rochester, MN, Minor damage. Landing gear collapsed on landing rollout. Hydraulic actuator rod end had broken.
- [Incident 19920112002569I](https://openairdocs.org/incident/19920112002569I), Jan 12, 1992: Stolam RC3 (N5090J), Ormond Beach, FL, Minor damage. Pilot had green lights. The main landing gear collapsed on landing rollout.
- [Incident 19910804046749I](https://openairdocs.org/incident/19910804046749I), Aug 4, 1991: Stolam RC3 (N6104K), Scott Lake, WA, Minor damage. Pilot forgot to retract landing gear on a water landing. Aircraft nosed over in 15 feet of water.
- [Incident 19910731045229I](https://openairdocs.org/incident/19910731045229I), Jul 31, 1991: Stolam RC3 (N217G), Oshkosh, WI, Minor damage. Pilot encountered moderate turbulence on liftoff. Made precautionary landing at end of runway.
- [Accident 19910619022429A](https://openairdocs.org/incident/19910619022429A), Jun 19, 1991: Stolam RC3 (N6441K), Kingsland, TX, Minor damage. Night water practice. Lost control docking. Gear and hull hit dock. Ejected pilot into water. Not seaplane rated.
- [Incident 19910615028149I](https://openairdocs.org/incident/19910615028149I), Jun 15, 1991: Stolam RC3 (N5869), Fulton, NY, Minor damage. Aircraft did not climb properly on takeoff. Pulled power and ran off runway. No current medical or biannual review.
- [Incident 19910519033479I](https://openairdocs.org/incident/19910519033479I), May 19, 1991: Stolam RC3 (N6265K), Sanford, ME, Minor damage. Unable to get gear locked. Elected to land gear up on grass at airport. Landing gear retract cylinder had failed.
- [Incident 19890930055549I](https://openairdocs.org/incident/19890930055549I), Sep 30, 1989: Stolam RC3 (N6589K), Groton - New Lo, CT. Hard landing. Bounced and main gear collapsed. Gear down line had a cracked steel fitting. Lost fluid.
- [Incident 19881118066189I](https://openairdocs.org/incident/19881118066189I), Nov 18, 1988: Stolam RC3 (N6523K), Sturgeon Bay, WI, Minor damage. Landing gear retracted on landing rollout. Found the rod end of landing gear retract cylinder had failed.
- [Incident 19880718040459I](https://openairdocs.org/incident/19880718040459I), Jul 18, 1988: Stolam RC3 (N4612A), St Anthony, ID, Minor damage. Sluggish on takeoff but continued and lifted off then flew through powerlines off end of runway. Landed in a field.

All 71: https://openairdocs.org/engine/franklin-6a8-series/incidents.md

## STCs that may be installed (OpenAirDocs) (6)

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. Lists 6A8-215-B8F
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC. Lists 6A8-215-B7F
- [STC SE1311SO](https://openairdocs.org/stc/SE1311SO): Installation of Shivers carburetor temperature gauge with a Richter Aero Equipment B-5 carburetor temperature probe. LegacySTC.com. Lists 6A8-215-B7F
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc. Lists 6A8-215-B8F
- [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. Lists 6A8-215-B8F
- [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc. Lists 6A8-215-B7F

---
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.