Pratt & Whitney JFTD12A-4A
12 aircraft on the U.S. register carry a Pratt & Whitney JFTD12A-4A engine, rated at about 4500 horsepower. The Sikorsky S-64 is the model most often fitted with it (5 aircraft). The aircraft carrying it were built between 1962 and 1997.
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 JFTD12A-4A. FAA spelling: JFTD12A-4A.
Fitted to model families
Model families, as a table
| aircraft | |
|---|---|
| Sikorsky S-64 | 5 |
| Erickson S-64 | 2 |
| Aviation International Rotors CH-54A | 1 |
| Erickson Air Crane S-64E | 1 |
| Evergreen Helicopters Inc CH-54A | 1 |
| Helicopter Transport Svc Llc CH-54A | 1 |
| Siller Helicopters CH-54A | 1 |
Sikorsky S-64 · Erickson S-64 · Aviation International Rotors CH-54A · Erickson Air Crane S-64E · Evergreen Helicopters Inc CH-54A · Helicopter Transport Svc Llc CH-54A · Siller Helicopters CH-54A
What the FAA has certified, ordered and been told about the Pratt & Whitney JFTD12A-4A the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 108 failure reports with the FAA since 1995, 24 of them in the last ten years.
Failure reports 108 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 96 | 2 |
| 97 | 1 |
| 98 | 2 |
| 99 | 2 |
| 00 | 2 |
| 01 | 10 |
| 02 | 3 |
| 03 | 14 |
| 04 | 15 |
| 05 | 10 |
| 06 | 10 |
| 07 | 1 |
| 08 | 4 |
| 10 | 2 |
| 11 | 2 |
| 13 | 4 |
| 14 | 1 |
| 15 | 3 |
| 16 | 1 |
| 17 | 4 |
| 18 | 2 |
| 19 | 3 |
| 20 | 2 |
| 21 | 4 |
| 22 | 3 |
| 23 | 1 |
Parts most often reported as the reports name them
Parts most reported, as a table
| reports | |
|---|---|
| Blade | 11 |
| Compressor Wheel | 9 |
| Engine | 8 |
| Housing | 6 |
| Turbine Blades | 6 |
| Bearing | 4 |
| Fuel Control | 4 |
| Blades | 3 |
| Disk | 3 |
| Spar | 3 |
Latest reports
Approved replacement parts 134 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 (47), preformed packing (39), nut (7), gasket (4), valve (3), washer (2), shaft (2), seal ring (2), screw (2), rivet split (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
- Sikorsky S-64 5 with this engine series
- Erickson S-64 2 with this engine series
- Helicopter Express LLC 8 of these aircraft
- U S Leaseco INC 2 of these aircraft
- Siller Helicopters LLC 1 of these aircraft
- Failure reports on the Pratt & Whitney JFTD12A-4A 108 reports since 1995
The whole map of how records connect · these connections as data: /graph/engine/pratt-whitney-jftd12a-4a.json.
Aircraft newest certificates first · 12
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N615HX | Sikorsky S-64E |
Rotorcraft | Helicopter Express LLC Chamblee, Georgia |
Multiple | 2025-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N6962R | Sikorsky S-64E |
Rotorcraft | Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N173AC | Sikorsky S-64E |
Rotorcraft | Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N176AC | Sikorsky S-64E |
Rotorcraft | Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N243AC | Erickson Air Crane S-64E |
Rotorcraft | Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N189AC | Erickson S64E |
Rotorcraft | Helicopter Express LLC Chamblee, Georgia |
Multiple | 2024-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N172AC | Sikorsky S-64E |
Rotorcraft | Helicopter Express LLC Chamblee, Georgia |
Multiple | 2023-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N217AC | Erickson S64E |
Rotorcraft | Helicopter Express LLC Chamlee, Georgia |
Standard | 2023-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N795HT | Evergreen Helicopters Inc CH-54A |
Rotorcraft | U S Leaseco INC Aurora, Oregon |
Restricted | 2010-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N9125M | Siller Helicopters CH-54A |
Rotorcraft | Siller Helicopters LLC Chamblee, Georgia |
Restricted | 2009-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N792HT | Aviation International Rotors CH-54A |
Rotorcraft | U S Leasco INC Aurora, Oregon |
Restricted | 2008-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N793HT | Helicopter Transport Svc Llc CH-54A |
Rotorcraft | U S Leaseco INC Aurora, Oregon |
Restricted | 2008-04-24 | 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.