Pratt & Whitney PT6A-20A
4 aircraft on the U.S. register carry a Pratt & Whitney PT6A-20A engine, rated at about 550 horsepower. The Air Tractor Inc AT-402 is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1975 and 2022.
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 PT6A-20A. FAA spelling: PT6A-20A.
Fitted to model families
Air Tractor Inc AT-402 · Beechcraft C90 King Air C90 · Helio Aircraft Ltd H800 · Piper PA-46 Malibu, Mirage, Matrix and M-Class
Where they are owner's state
Kind of aircraft
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Pratt & Whitney PT6A-20A the component layer
The design is held under 1 type certificate (E2NE, held by Pratt & Whitney Division). The FAA has issued 2 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 7 failure reports with the FAA since 1995, 5 of them in the last ten years.
FAA orders 2 airworthiness directives · newest first
Failure reports 7 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
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 this engine series links to the rest of the register
- Air Tractor Inc AT-402 1 with this engine series
- Beechcraft C90 King Air C90 1 with this engine series
- Helio Aircraft Ltd H800 1 with this engine series
- Piper PA-46 Malibu, Mirage, Matrix and M-Class 1 with this engine series
- Texas 1 of these aircraft
- South Dakota 1 of these aircraft
- Delaware 1 of these aircraft
- California 1 of these aircraft
- FAA orders naming the Pratt & Whitney PT6A-20A 2 airworthiness directives
- Failure reports on the Pratt & Whitney PT6A-20A 7 reports since 1995
These connections as data: /graph/engine/pratt-whitney-pt6a-20a.json · about the eFlight graph.
Aircraft newest certificates first · 4
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N628AA | Piper PA-46-600TP |
Fixed-wing, single engine | Edge Air LLC Wilmington, Delaware |
Standard | 2025-11-03 | ValidFAA registration status code V: Valid registration. All codes |
| N1013N | Air Tractor Inc AT-402A |
Fixed-wing, single engine | Val Air 2 LLC White River, South Dakota |
Restricted | 2024-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N136PA | Beech C90 |
Fixed-wing, multi-engine | X-Press Charter Service INC Longview, Texas |
Standard | 2015-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N8004 | Helio Aircraft Ltd H800 |
Fixed-wing, single engine | Individual owner California |
Experimental | PendingFAA registration status code R: Registration pending. All codes |
Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.