Lockheed 12
15 on the U.S. register. Built from 1936 to 1941; half of them date from 1937 or earlier. Virginia has the most (2). 53% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
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About the 12 from the FAA's model table
- Type
- Fixed-wing, multi-engine · Piston twins
- Power
- Piston (reciprocating), 2 engines
- Common engines
- P&W R-985 Series (12), P & W R-985-An-14B (1), P & W R-985-5 (1)
- Seats
- 8
- Cruise speed
- about 155 mph
- Built of
- aluminium
- Maker on the register
- Lockheed
- Registered
- earliest certificate August 17, 1977; newest August 5, 2023
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Corporation | 7 | 47% |
| Individual | 5 | 33% |
| Co-owned | 2 | 13% |
| LLC | 1 | 7% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| 12A | 15 | 1936 to 1941 | 100.0% |
When they were built by decade · 3 with no year on file
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 13 | 87% |
| Special flight permit | 1 | 7% |
| None on file | 1 | 7% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Twa Museum | 1 |
| Tvpx Aircraft Solutions INC Trustee | 1 |
| Turrell Trading CO | 1 |
| N12Ex INC | 1 |
| International Air Services INC Trustee | 1 |
| Eastern Stearman INC Trustee | 1 |
| Barnstorm Aviation | 1 |
| Air Cav Helicopters LLC | 1 |
Fleet pages: Tvpx Aircraft Solutions INC Trustee · International Air Services INC Trustee · Eastern Stearman INC Trustee · Air Cav Helicopters LLC
Accident history NTSB records · 2 cases since 1982, 1 fatal
The 2 most recent of 2 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Lockheed 12 aircraft are registered in the U.S.?
15 as of October 26, 2026, counting 1 version the FAA records separately.
Which state has the most Lockheed 12s?
Virginia, with 2.
Who owns the Lockheed 12?
53% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Lockheed 12s on the register built?
Between 1936 and 1941; half of them in 1937 or earlier.
How many Lockheed 12 accidents has the NTSB recorded?
2 accidents and incidents since 1982, 1 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Lockheed 12 made of?
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Lockheed 12 the component layer
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The design is held under 2 type certificates. The FAA has issued 1 airworthiness directive (orders that owners must comply with) that name this model, most of them about other and general. Operators and repair shops have filed 1 failure report with the FAA since 2000, 1 of them in the last ten years: about 6.7 a year for every 100 aircraft on the register; the system most often named is landing gear. 5 approved modifications exist for it, the most by Swift Air Service.
FAA orders 1 airworthiness directives · newest first
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Other and general | 1 | 100% |
Failure reports 1 since 2000 · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 00 | 1 |
By system
Failure reports by system, as a table
| reports | share | |
|---|---|---|
| Landing gear | 1 | 100% |
Parts most often reported as the reports name them
Latest reports
Approved replacement parts 29 parts manufacturer approvals
Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:
Most often: bearing (11), retainer (2), gasket (2), fuel quantity (2), fuel placard (2), discharger (2), bushing (2), wheel (1), turbine shroud (1), packing (1).
Approved modifications 5 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Certificates and bulletins
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the 12 links to the rest of the register
- Lockheed 197 aircraft on the register
- Lockheed 12A 15 registered
- Built of aluminium
- Pratt & Whitney R-985 series 12 of these aircraft · 450 hp
- Pratt & Whitney R-985-AN-14B 1 of these aircraft · 400 hp
- Pratt & Whitney R-985-5 1 of these aircraft · 350 hp
- Virginia 2 of these aircraft
- Florida 2 of these aircraft
- California 2 of these aircraft
- Vermont 1 of these aircraft
- Utah 1 of these aircraft
- Twa Museum 1 of these aircraft
- Tvpx Aircraft Solutions INC Trustee 1 of these aircraft
- Turrell Trading CO 1 of these aircraft
- N12Ex INC 1 of these aircraft
- International Air Services INC Trustee 1 of these aircraft
- NTSB accidents and incidents involving the 12 2 cases since 1982 · 1 fatal
- FAA orders naming the 12 1 airworthiness directives
- Failure reports filed on the 12 1 reports since 1995
- Approved modifications for the 12 5 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/lockheed/12.json.
Aircraft newest certificates first · 15
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N18130 | Lockheed 12A |
Individual owner | Standard | 2023-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N100JT | Lockheed 12A |
Turrell Trading CO Flagstaff, Arizona |
Standard | 2022-02-03 | ValidFAA registration status code V: Valid registration. All codes |
| N18125 | Lockheed 12A |
Tvpx Aircraft Solutions INC Trustee North Salt Lake, Utah |
Standard | 2022-01-27 | ValidFAA registration status code V: Valid registration. All codes |
| N4001 | Lockheed 12A |
Individual owner Virginia |
Standard | 2021-10-22 | ValidFAA registration status code V: Valid registration. All codes |
| N25628 | Lockheed 12A |
International Air Services INC Trustee Carson City, Nevada |
Standard | 2021-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N33650 | Lockheed 12A |
Air Cav Helicopters LLC Wilmington, Delaware |
Standard | 2021-01-21 | ValidFAA registration status code V: Valid registration. All codes |
| N2072 | Lockheed 12A |
N12Ex INC Jackson, Georgia |
Standard | 2020-05-18 | ValidFAA registration status code V: Valid registration. All codes |
| N18137 | Lockheed 12A |
Twa Museum Kansas City, Missouri |
Standard | 2019-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N14999 | Lockheed 12A |
Eastern Stearman INC Trustee Leesburg, Virginia |
Special flight permit | 2017-12-29 | ValidFAA registration status code V: Valid registration. All codes |
| N2633 | Lockheed 12A |
Co-owned owner Vermont |
Standard | 2013-12-17 | ValidFAA registration status code V: Valid registration. All codes |
| N16085 | Lockheed 12A |
Individual owner Florida |
Standard | 2013-01-16 | ValidFAA registration status code V: Valid registration. All codes |
| N18097 | Lockheed 12A |
Barnstorm Aviation Jacksonville, Florida |
Standard | 2009-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N18906 | Lockheed 12A |
Co-owned owner California |
None on file | 2003-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N33RA | Lockheed 12A |
Individual owner Oregon |
Standard | 2000-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N17399 | Lockheed 12A |
Individual owner California |
Standard | 1977-08-17 | ValidFAA registration status code V: Valid registration. All codes |