Pratt & Whitney Canada PT6A-135
29 aircraft on the U.S. register carry a Pratt & Whitney Canada PT6A-135 engine, rated at about 750 horsepower. The Beechcraft F90 is the model most often fitted with it (10 aircraft). The aircraft carrying it were built between 1980 and 2017.
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 Canada PT6A-135 (2 codes). FAA spellings: PT6A-135 · PT6A-135.
Fitted to model families
Beechcraft F9010Piper PA-31 Navajo and Chieftain4Cessna 425 Conquest I2Ballisodare Llc LANCAIR EVOLUTION1Beechcraft E-90 King Air E901Blair Frank EVOLUTION1Cooper Aviation Llc LANCAIR EVOLUTION1Beechcraft C90 King Air C901Hay Mountain Aviation Llc LANCAIR EVOLUTION1P L Lippiatt LANCAIR EVOLUTION1R Wendell Solesbee LANCAIR EVOLUTION1Risk Assumption Leasing Llc LANCAIR EVOLUTION1
Beechcraft F90 · Piper PA-31 Navajo and Chieftain · Cessna 425 Conquest I · Ballisodare Llc LANCAIR EVOLUTION · Beechcraft E-90 King Air E90 · Blair Frank EVOLUTION · Cooper Aviation Llc LANCAIR EVOLUTION · Beechcraft C90 King Air C90 · Hay Mountain Aviation Llc LANCAIR EVOLUTION · P L Lippiatt LANCAIR EVOLUTION
Where they are owner's state
Delaware4Texas3Arizona2Wyoming1Wisconsin1Utah1Tennessee1Oregon1Oklahoma1Ohio1
Kind of aircraft
Turboprops29 (100%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Pratt & Whitney Canada PT6A-135 the component layer
The design is held under 1 type certificate (E4EA, held by Pratt & Whitney Canada CORP.). The FAA has issued 5 airworthiness directives (orders that owners must comply with) that name this engine series.
FAA orders 5 airworthiness directives · newest first
2014-08-052014-11-05 · Reinforcement liner to the power turbine (PT) containment
ring and, for certain PT containment rings,... · engine
2012-05-232012-09-10 · First stage sun gears · engine
2002-12-312002-23-13 · Turbine Exhaust Ducts · engine
1997-03-1497-04-12 · Compressor Bleed-off Valve · engine
1980-04-1880-08-12 · Fuel Pump Drive Coupling Splines · engine
Certificates and bulletins
E4EAType certificate held by Pratt & Whitney Canada CORP. · 54 models listed · revised June 16, 2021
Safety bulletins 1 · advice, not orders
2011-11-01NE-12-04 · Turbine/ Turboprop Engine: Reduction Gearbox
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
Fitted to
- Beechcraft F90 10 with this engine series
- Piper PA-31 Navajo and Chieftain 4 with this engine series
- Cessna 425 Conquest I 2 with this engine series
- Beechcraft E-90 King Air E90 1 with this engine series
- Beechcraft C90 King Air C90 1 with this engine series
Where they are
Biggest operators
- Tvpx Aircraft Solutions INC Trustee 1 of these aircraft
Airworthiness
- FAA orders naming the Pratt & Whitney Canada PT6A-135 5 airworthiness directives
Analytics
These connections as data: /graph/engine/pratt-whitney-canada-pt6a-135.json · about the eFlight graph.
Aircraft newest certificates first · 29
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N90UA | Beech F90 |
Fixed-wing, multi-engine | Universal Avionics Systems CORP Tucson, Arizona |
Experimental | 2026-05-22 | ValidFAA registration status code V: Valid registration. All codes |
| N904MW | Hawker Beechcraft Corp C90GTI |
Fixed-wing, multi-engine | Triple P Aviation LLC Kalispell, Montana |
Standard | 2026-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N11WN | Beech F90 |
Fixed-wing, multi-engine | Rds Aviation LLC Elkhart, Indiana |
Standard | 2026-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N512RM | Smooth Landing Llc EVOLUTION |
Fixed-wing, single engine | Individual owner Arizona |
Experimental | 2025-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N918BB | Beech F90 |
Fixed-wing, multi-engine | Alco Aviation Services Consulting LLC Taft, Tennessee |
Standard | 2025-05-30 | ValidFAA registration status code V: Valid registration. All codes |
| N93AM | Beech F90 |
Fixed-wing, multi-engine | Asm Aviation LLC Bismarck, North Dakota |
Standard | 2025-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N950SA | Piper PA-31T2 |
Fixed-wing, multi-engine | Crop Dusters LLC Maurice, Iowa |
Standard | 2024-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N632CB | Piper PA-31T2 |
Fixed-wing, multi-engine | Iou Aviation of Montana LLC Sheridan, Wyoming |
Standard | 2024-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N449JS | Beech F90 |
Fixed-wing, multi-engine | Thomas Hanka Aviation LLC Mission, Texas |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N105FC | Cessna 425 |
Fixed-wing, multi-engine | Co-owned owner Delaware |
Standard | 2023-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N89JL | Beech F90 |
Fixed-wing, multi-engine | Dag Aviation INC Trustee Wilmington, Delaware |
Standard | 2023-10-11 | ValidFAA registration status code V: Valid registration. All codes |
| N529ET | Cooper Aviation Llc LANCAIR EVOLUTION |
Fixed-wing, single engine | 700 Ex LLC Bend, Oregon |
Experimental | 2023-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N490TX | Beech F90 |
Fixed-wing, multi-engine | Hosell Aviation LLC Rome, Georgia |
Standard | 2023-03-31 | ValidFAA registration status code V: Valid registration. All codes |
| N26PY | Beech F90 |
Fixed-wing, multi-engine | Colibri26 INC Trustee Wilmington, Delaware |
Standard | 2023-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N621SS | Saldana Scott LANCAIR EVOLUTION |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2022-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N4938S | Piper PA-31T2 |
Fixed-wing, multi-engine | Aviation Trust CO LLC Trustee Oklahoma City, Oklahoma |
Standard | 2022-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N505RF | Ballisodare Llc LANCAIR EVOLUTION |
Fixed-wing, single engine | Walsh Engineering Services PC Idaho Falls, Idaho |
Experimental | 2021-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N921MF | Beech F90 |
Fixed-wing, multi-engine | Puerto Coral CORP Wilmington, Delaware |
Standard | 2020-11-13 | ValidFAA registration status code V: Valid registration. All codes |
| N190BE | Beech E-90 |
Fixed-wing, multi-engine | Tvpx Aircraft Solutions INC Trustee North Salt Lake, Utah |
Standard | 2020-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N303TS | Piper PA-31T2 |
Fixed-wing, multi-engine | Cheyenne Air LLC Ocean City, New Jersey |
Standard | 2019-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N425GC | Cessna 425 |
Fixed-wing, multi-engine | Resiak LLC Middleton, Wisconsin |
Standard | 2018-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N13PF | Risk Assumption Leasing Llc LANCAIR EVOLUTION |
Fixed-wing, single engine | Odyssey Entertainment INC Maple Grove, Minnesota |
Experimental | 2018-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N725VB | Hay Mountain Aviation Llc LANCAIR EVOLUTION |
Fixed-wing, single engine | Hay Mountian Aviation LLC Saint Petersburg, Florida |
Experimental | 2016-03-17 | ValidFAA registration status code V: Valid registration. All codes |
| N613TX | Ttx Air Llc LANCAIR EVOLUTION |
Fixed-wing, single engine | Individual owner Colorado |
Experimental | 2016-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N73PL | P L Lippiatt LANCAIR EVOLUTION |
Fixed-wing, single engine | P & L Aircraft Leasing INC Salem, Ohio |
Experimental | 2015-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7LH | R Wendell Solesbee LANCAIR EVOLUTION |
Fixed-wing, single engine | Co-owned owner California |
Experimental | 2011-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N84JL | Beech F90 |
Fixed-wing, multi-engine | Chieftain Equipment LLC Longview, Texas |
Standard | 2011-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N401CH | Blair Frank EVOLUTION |
Fixed-wing, single engine | Ieg Venture Management Northeast Harbor, Maine |
Experimental | 2011-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N6RU | Sureal Vision Ltd EVOLUTION |
Fixed-wing, single engine | Sureal Vision LTD Waterford, New York |
Experimental | 2010-09-23 | 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.