# Lockheed 12A - Type: Aircraft model (FAA registry) - Registry code: 5261402 - Manufacturer (registry): LOCKHEED - Model: 12A - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Reciprocating - Seats: 8 - Weight class: Up to 12,499 lb - Cruise speed: 155 mph - Certification: Type certificated - Data sheet: [TCDS TC 616](https://openairdocs.org/tcds/TC%20616) (OpenAirDocs) - Holder: Lockheed Aircraft Corporation - Registered aircraft: 15 - Page: https://openairdocs.org/model/lockheed-12a Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 93-14-12](https://openairdocs.org/ad/93-14-12): Crewmember Protective Breathing Equipment Units · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 201 more. Effective Sep 2, 1993 ## Registered aircraft (15) - [N100JT](https://openairdocs.org/aircraft/N100JT): [Turrell Trading Co](https://openairdocs.org/faa-owner/TURRELL%20TRADING%20CO), [Flagstaff, AZ](https://openairdocs.org/faa-place/AZ/Flagstaff), S/N 1224 - [N14999](https://openairdocs.org/aircraft/N14999): [Eastern Stearman Inc Trustee](https://openairdocs.org/faa-owner/EASTERN%20STEARMAN%20INC%20TRUSTEE), [Leesburg, VA](https://openairdocs.org/faa-place/VA/Leesburg), built 1938, S/N 1252 - [N16085](https://openairdocs.org/aircraft/N16085): [Moss Frank V](https://openairdocs.org/faa-owner/MOSS%20FRANK%20V), [Punta Gorda, FL](https://openairdocs.org/faa-place/FL/Punta%20Gorda), built 1937, S/N 1214 - [N17399](https://openairdocs.org/aircraft/N17399): [Mabee Roy W](https://openairdocs.org/faa-owner/MABEE%20ROY%20W), [Anaheim, CA](https://openairdocs.org/faa-place/CA/Anaheim), built 1939, S/N 1271 - [N18097](https://openairdocs.org/aircraft/N18097): [Barnstorm Aviation](https://openairdocs.org/faa-owner/BARNSTORM%20AVIATION), [Jacksonville, FL](https://openairdocs.org/faa-place/FL/Jacksonville), built 1938, S/N 1250 - [N18125](https://openairdocs.org/aircraft/N18125): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 1937, S/N 1222 - [N18130](https://openairdocs.org/aircraft/N18130): [Von Wedel Justus T](https://openairdocs.org/faa-owner/VON%20WEDEL%20JUSTUS%20T), Neustadt, built 1937, S/N 1226 - [N18137](https://openairdocs.org/aircraft/N18137): [Twa Museum](https://openairdocs.org/faa-owner/TWA%20MUSEUM), [Kansas City, MO](https://openairdocs.org/faa-place/MO/Kansas%20City), built 1937, S/N 1229 - [N18906](https://openairdocs.org/aircraft/N18906): [Whittlesey Leslie Trustee](https://openairdocs.org/faa-owner/WHITTLESEY%20LESLIE%20TRUSTEE), [Dana Point, CA](https://openairdocs.org/faa-place/CA/Dana%20Point), S/N 1277 - [N2072](https://openairdocs.org/aircraft/N2072): [N12ex Inc](https://openairdocs.org/faa-owner/N12EX%20INC), [Jackson, GA](https://openairdocs.org/faa-place/GA/Jackson), built 1936, S/N 1208 - [N25628](https://openairdocs.org/aircraft/N25628): [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 1940, S/N 1286 - [N2633](https://openairdocs.org/aircraft/N2633): [Perras Uwanna P](https://openairdocs.org/faa-owner/PERRAS%20UWANNA%20P), [Morrisville, VT](https://openairdocs.org/faa-place/VT/Morrisville), built 1940, S/N 1281 - [N33650](https://openairdocs.org/aircraft/N33650): [Air Cav Helicopters LLC](https://openairdocs.org/faa-owner/AIR%20CAV%20HELICOPTERS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1941, S/N 1294 - [N33RA](https://openairdocs.org/aircraft/N33RA): [Warden Richard L](https://openairdocs.org/faa-owner/WARDEN%20RICHARD%20L), [Canby, OR](https://openairdocs.org/faa-place/OR/Canby), built 1937, S/N 1239 - [N4001](https://openairdocs.org/aircraft/N4001): [Walters Richard L](https://openairdocs.org/faa-owner/WALTERS%20RICHARD%20L), [Boyce, VA](https://openairdocs.org/faa-place/VA/Boyce), S/N 1280 ## STCs approved for it (24) - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.. Airwolf Filter Corporation - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA02016SE-D](https://openairdocs.org/stc/SA02016SE-D): Installation of Garmin GTS 800, GTS 820 or GTS 850 Traffic System. Garmin International Inc - [STC SA02019SE-D (1 OF 3)](https://openairdocs.org/stc/SA02019SE-D%20(1%20OF%203)): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc. - [STC SA02019SE-D (3 OF 3)](https://openairdocs.org/stc/SA02019SE-D%20(3%20OF%203)): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc. - [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc - [STC SA02121SE](https://openairdocs.org/stc/SA02121SE): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System. Garmin International Inc - [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc. - [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC - [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC - [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).. Garmin International Inc. - [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc. - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA1-139](https://openairdocs.org/stc/SA1-139): Windshield from a four-place to a two-piece glass.. Ohio Aviation Co - [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King) - [STC SA1393WE](https://openairdocs.org/stc/SA1393WE): ONE ONLY STC, SN 1205: Installation of Hamilton Standard 22D30/6531A-15 hyrdromatic propellers in lieu of Hamilton Standard 22D30/6181A-6 Hydromatic propellers.. Swift Air Service - [STC SA1860WE](https://openairdocs.org/stc/SA1860WE): ONE ONLY STC, SN 1229: Installation of Goodyear Wheels and Brakes. Harold S. Firth - [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc - [STC SA4172NM](https://openairdocs.org/stc/SA4172NM): Installation of Aviation Development oil filter.. Aviation Development Corporation - [STC SA01714WI](https://openairdocs.org/stc/SA01714WI) (historical): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems.. Garmin International Inc - [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D) (historical): Installation of Garmin GTN 6XX/7XX Navigation System. Garmin International Inc - [STC SA02019SE-D (1 OF 2)](https://openairdocs.org/stc/SA02019SE-D%20(1%20OF%202)) (historical): Installation of Garmin GTN 6XX/7XX Navigation System. Garmin International Inc - [STC SA02153LA-D](https://openairdocs.org/stc/SA02153LA-D) (historical): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc ## NTSB investigations (17) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ERA24FA266](https://openairdocs.org/ntsb/ERA24FA266), Jun 17, 2024: Lockheed 12 (N2072), Jackson, GA, substantial damage. Probable cause: Maintenance personnel’s failure to properly secure the right brake line, which resulted in a loss of right brake effectiveness during the landing roll and a subsequent runway excursion. - [NTSB WPR24FA196](https://openairdocs.org/ntsb/WPR24FA196), Jun 15, 2024: Lockheed 12A (N93R), Chino, CA, substantial damage, 2 fatal. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall at an altitude insufficient for recovery. Contributing to the… - [NTSB ATL01LA009](https://openairdocs.org/ntsb/ATL01LA009), Oct 14, 2000: Cessna 150L (N18130), Homer, GA, substantial damage. Probable cause: The loss of engine power for undetermined reasons. Factors were conditions favorable for the formation of carburetor ice. - [NTSB CHI90FA208](https://openairdocs.org/ntsb/CHI90FA208), Jul 31, 1990: Lockheed 12A (N12AT), Oshkosh, WI, destroyed. Probable cause: THE INADEQUATE EMERGENCY PROCEDURE(S) BY THE PILOT IN COMMAND FOLLOWING A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS(S). - [NTSB CHI79FEC40](https://openairdocs.org/ntsb/CHI79FEC40), Aug 7, 1979: Lockheed 12A (N36P), Pontiac, MI, destroyed, 1 fatal - [NTSB MKC76FCG25](https://openairdocs.org/ntsb/MKC76FCG25), Sep 15, 1975: Lockheed 12A (N3486), Springfield, MO, substantial damage - [NTSB LAX76DUG07](https://openairdocs.org/ntsb/LAX76DUG07), Jul 14, 1975: Lockheed 12A (N71K), Rubidoux, CA, substantial damage - [NTSB MKC75DCD24](https://openairdocs.org/ntsb/MKC75DCD24), Nov 21, 1974: Lockheed 12A (N18137), Osage, IA, substantial damage - [NTSB UNK74X0112](https://openairdocs.org/ntsb/UNK74X0112), Jun 24, 1974: Lockheed 12A (N36P), Q.Roo, Mexico, substantial damage - [NTSB NYC74FNE13](https://openairdocs.org/ntsb/NYC74FNE13), Dec 1, 1973: Cessna 150L (N18130), Chester, CT, substantial damage - [NTSB CHI71FGD30](https://openairdocs.org/ntsb/CHI71FGD30), Jul 6, 1970: Lockheed 12A (N18137), Toledo, OH, substantial damage - [NTSB DEN69A0047](https://openairdocs.org/ntsb/DEN69A0047), May 9, 1969: Lockheed 12A (N399X), Casper, WY, substantial damage - [NTSB CHI68D0634](https://openairdocs.org/ntsb/CHI68D0634), Feb 3, 1968: Lockheed 12A (N36P), Gaylord, MI, substantial damage - [NTSB CHI68D0276](https://openairdocs.org/ntsb/CHI68D0276), Aug 10, 1967: Lockheed 12A (N4001), Montello, WI, substantial damage - [NTSB FTW67A0058](https://openairdocs.org/ntsb/FTW67A0058), Dec 1, 1966: Lockheed 12A (N16085), Oklahoma Cty, OK, substantial damage - [NTSB CHI66D0665](https://openairdocs.org/ntsb/CHI66D0665), Mar 4, 1966: Lockheed 12A (N1108), Richmond Hts, OH, substantial damage - [NTSB UNK64X2707](https://openairdocs.org/ntsb/UNK64X2707), Jul 7, 1964: Lockheed 12A (N18946), Martinsville, VA, destroyed, 5 fatal ## FAA accident and incident reports (14) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20240617021899A](https://openairdocs.org/incident/20240617021899A), Jun 17, 2024: Lockheed 12A (N2072), Jackson, GA, Substantial damage. The aircraft landed on runway 36 at 62GA. During the landing rollout, the aircraft veered left off the grass runway and struck trees. - [Accident 20240615007579A](https://openairdocs.org/incident/20240615007579A), Jun 15, 2024: Lockheed 12A (N93R), Chino, CA, Substantial damage, 2 fatal. On June 15, 2024 at approximately 1236 hours local time 1936 UTC, while attempting to depart cno, a Lockheed 12A impacted the ground shortly after takeoff from… - [Incident 20210905015379I](https://openairdocs.org/incident/20210905015379I), Sep 5, 2021: Lockheed 12A (N25628), Moses Lake, WA, Minor damage. During a wheel landing the airplane bounced slightly and when the airplane touched down the second time, the right main landing gear collapsed causing the… - [Accident 20001014017109A](https://openairdocs.org/incident/20001014017109A), Oct 14, 2000: Cessna 150 (N18130), Homer, GA, No damage. (-23)Pilot statement: 10/14/00, Saturday, I have arrived to the pickens county airport (lqk) at about 9:30AM to obtain weather information to complete my first… - [Incident 20000831026959I](https://openairdocs.org/incident/20000831026959I), Aug 31, 2000: Lkheed 12A (N33RA), Bend, OR, Minor damage. (-23)A Lockheed-12A, N33RA, piloted by [privacy data omitted] made a normal approach to land at Sunriver, Oregon airport, S21, with a slight crosswind from the… - [Incident 19920918040719I](https://openairdocs.org/incident/19920918040719I), Sep 18, 1992: Lkheed 12A (N25628), El Paso, TX, Minor damage. Left main wheel and strut assembly fell off after takeoff. Returned. Made a gear up landing. - [Accident 19900731029319A](https://openairdocs.org/incident/19900731029319A), Jul 31, 1990: Lkheed 12A (N12AT), Oshkosh, WI, Destroyed. Lost right engine. Cartwheeled on forced landing. Fuel selected to right rear empty tank that indicated full. - [Incident 19870323024739I](https://openairdocs.org/incident/19870323024739I), Mar 23, 1987: Lkheed 12A (N16085), Griffin, GA, Minor damage. Gear could not be extended for landing. Gear motor inoperative. Emergency extension operative but stiff. - [Accident 19790807028909A](https://openairdocs.org/incident/19790807028909A), Aug 7, 1979: Lkheed 12A (N36P), Pontiac, MI, Destroyed. Plt reported lost right engine. Feathered. Tried return to airport, descended into ground. No engine defects found - [Accident 19750915033579A](https://openairdocs.org/incident/19750915033579A), Sep 15, 1975: Lkheed 12A (N3486), Springfield, MO, Substantial damage. LOC and g/s unreliable. Fuel ex drg clb to top ovcst. - [Accident 19750714023449A](https://openairdocs.org/incident/19750714023449A), Jul 14, 1975: Lkheed 12A (N71K), Rubidoux, CA, Substantial damage - [Accident 19741121038029A](https://openairdocs.org/incident/19741121038029A), Nov 21, 1974: Lkheed 12A (N18137), Osage, IA, Substantial damage. Drg l turn in parking area tailwheel struck taxi lgt & drainage ditch. - [Accident 19740624030729A](https://openairdocs.org/incident/19740624030729A), Jun 24, 1974: Lkheed 12A (N36P), Q.Roo, Substantial damage. Minor eng roughness r eng. Ground loop to avoid hole end of rwy. Invest jurisdiction govt of Mexico. - [Accident 19731201038729A](https://openairdocs.org/incident/19731201038729A), Dec 1, 1973: Cessna 150L (N18130), Chester, CT, Substantial damage. Variable northwest wind at 12 knots with gusts to 25 knots. Presolo student plt. ## Service difficulty reports (1) As reported by operators and repair stations, by the model named in the report. - [SDR 20001019SH014](https://openairdocs.org/sdr/20001019SH014), Aug 31, 2000: CASTING. FAILED. RIGHT FLANGE OR GEAR DRIVE CASTING FAILED UNDER LOAD DURING LANDING. THIS CAUSED THE JACK SCREW TO BEND ALLOWING THE RIGHT MAIN LANDING GEAR TO COLLAPSE. (X) --- 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.