Pratt & Whitney JT12A series
3 aircraft on the U.S. register carry a Pratt & Whitney JT12A series engine, rated at about 1,320 pounds of thrust. The Aerovodochody L-29 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1965 and 1966.
The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Pratt & Whitney JT12A series. FAA spelling: JT12A SERIES.
Fitted to model families
Model families, as a table
| aircraft | |
|---|---|
| Aerovodochody L-29 | 2 |
| North American NA-265 | 1 |
Where they are owner's state
What the FAA has certified, ordered and been told about the Pratt & Whitney JT12A series the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 733 failure reports with the FAA since 1995, 11 of them in the last ten years.
Failure reports 733 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 13 |
| 96 | 29 |
| 97 | 24 |
| 98 | 27 |
| 99 | 24 |
| 00 | 25 |
| 01 | 53 |
| 02 | 57 |
| 03 | 67 |
| 04 | 70 |
| 05 | 69 |
| 06 | 43 |
| 07 | 61 |
| 08 | 31 |
| 09 | 22 |
| 10 | 25 |
| 11 | 25 |
| 12 | 21 |
| 13 | 18 |
| 14 | 7 |
| 15 | 11 |
| 17 | 3 |
| 18 | 1 |
| 19 | 3 |
| 21 | 1 |
| 22 | 1 |
| 23 | 1 |
| 25 | 1 |
Parts most often reported as the reports name them
Parts most reported, as a table
| reports | |
|---|---|
| Engine | 46 |
| Actuator | 22 |
| Compressor Wheel | 20 |
| Stator | 19 |
| Wire | 18 |
| Bearing | 17 |
| Skin | 14 |
| Switch | 14 |
| Blade | 13 |
| Line | 13 |
Latest reports
Approved replacement parts 76 parts manufacturer approvals
Parts a company other than the maker may make for this engine and sell as FAA-approved. The companies holding the most:
Most often: packing (32), cable (5), fuel control (4), pump (3), exciter (3), solenoid valve (2), shroud segment (2), rivet split (2), rivet (2), main fuel (2).
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 this engine series links to the rest of the register
- Aerovodochody L-29 2 with this engine series
- North American NA-265 1 with this engine series
- Tulsa Technology Center School District No 18 1 of these aircraft
- Failure reports on the Pratt & Whitney JT12A series 733 reports since 1995
The whole map of how records connect · these connections as data: /graph/engine/pratt-whitney-jt12a-series.json.
Aircraft newest certificates first · 3
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N5959L | Aerovodochody L-29 DELFIN |
Fixed-wing, single engine | Surfs Up Aero LLC Wilmington, Delaware |
Experimental | 2025-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N39RG | North American NA-265-40 |
Fixed-wing, multi-engine | Tulsa Technology Center School District No 18 Tulsa, Oklahoma |
Standard | 2013-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N179EP | Aerovodochody L-29 DELFIN |
Fixed-wing, single engine | Ff29 LLC Park City, Utah |
Experimental | 2013-11-14 | ValidFAA registration status code V: Valid registration. All codes |
Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 12, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.