Pratt & Whitney PT6T-3B
4 aircraft on the U.S. register carry a Pratt & Whitney PT6T-3B engine, rated at about 900 horsepower. The Bell 212 is the model most often fitted with it (4 aircraft). The aircraft carrying it were built between 1974 and 1984.
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 PT6T-3B. FAA spelling: PT6T-3B.
Where they are owner's state
By state, as a table
| aircraft | |
|---|---|
| California | 2 |
| New Mexico | 1 |
| Delaware | 1 |
What the FAA has certified, ordered and been told about the Pratt & Whitney PT6T-3B the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 480 failure reports with the FAA since 1995, 65 of them in the last ten years.
Failure reports 480 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 24 |
| 96 | 16 |
| 97 | 30 |
| 98 | 51 |
| 99 | 19 |
| 00 | 16 |
| 01 | 57 |
| 02 | 40 |
| 03 | 43 |
| 04 | 9 |
| 05 | 15 |
| 06 | 12 |
| 07 | 6 |
| 08 | 13 |
| 09 | 8 |
| 10 | 7 |
| 11 | 26 |
| 12 | 23 |
| 13 | 31 |
| 14 | 11 |
| 15 | 15 |
| 16 | 4 |
| 19 | 3 |
| 22 | 1 |
Parts most often reported as the reports name them
Parts most reported, as a table
| reports | |
|---|---|
| Engine | 67 |
| Gearbox | 30 |
| Governor | 30 |
| Blade | 21 |
| Bleed Valve | 20 |
| Fuel Control | 20 |
| Bearing | 14 |
| Control Unit | 13 |
| Combining Grbox | 8 |
| Crosstube | 8 |
Latest reports
Approved replacement parts 23 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: gasket (5), balance weight (5), turbine igniter (2), labyrinth seal (2), mating ring (1), governor (1), fuel transfer (1), fuel pump (1), fuel manifold (1), fuel control (1).
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
- Bell 212 4 with this engine series
- California 2 of these aircraft
- New Mexico 1 of these aircraft
- Delaware 1 of these aircraft
- Redding Air Service INC 1 of these aircraft
- Patriot Aviation INC 1 of these aircraft
- Copter Lease LLC Trustee 1 of these aircraft
- Failure reports on the Pratt & Whitney PT6T-3B 480 reports since 1995
The whole map of how records connect · these connections as data: /graph/engine/pratt-whitney-pt6t-3b.json.
Aircraft newest certificates first · 4
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N966X | Bell Helicopter Textron 212 |
Rotorcraft | Bh212966 LLC Crestline, California |
Standard | 2025-12-19 | ValidFAA registration status code V: Valid registration. All codes |
| N378PA | Bell Helicopter Textron 212 |
Rotorcraft | Copter Lease LLC Trustee Albuquerque, New Mexico |
Standard | 2025-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N512PA | Bell 212 |
Rotorcraft | Patriot Aviation INC Greenville, Delaware |
Standard | 2016-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N212BT | Bell 212 |
Rotorcraft | Redding Air Service INC Redding, California |
Standard | 2009-08-14 | 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 9, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.
