Pratt & Whitney PT6A-34
42 aircraft on the U.S. register carry a Pratt & Whitney PT6A-34 engine, rated at about 750 horsepower. The Quest Aircraft Company Llc KODIAK 100 is the model most often fitted with it (8 aircraft). The aircraft carrying it were built between 1953 and 2019.
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-34. FAA spelling: PT6A-34.
Fitted to model families
Quest Aircraft Company Llc KODIAK 1008Pacific Aerospace Ltd 7506Dehavilland DHC-25Pacific Aerospace Corp Ltd 7504Beechcraft 653Dehavilland DHC-33Air Tractor Inc AT-5022Dehavilland Canada DHC-32Lancair Intl Inc PROPJET2Piper PA-46 Malibu, Mirage, Matrix and M-Class2Viking Air Limited DHC-6-4002Ayres Corporation S-21
Model families, as a table
Quest Aircraft Company Llc KODIAK 100 · Pacific Aerospace Ltd 750 · Dehavilland DHC-2 · Pacific Aerospace Corp Ltd 750 · Beechcraft 65 · Dehavilland DHC-3 · Air Tractor Inc AT-502 · Dehavilland Canada DHC-3 · Lancair Intl Inc PROPJET · Piper PA-46 Malibu, Mirage, Matrix and M-Class
Where they are owner's state
What the FAA has certified, ordered and been told about the Pratt & Whitney PT6A-34 the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 465 failure reports with the FAA since 1995, 27 of them in the last ten years.
Failure reports 465 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 2 |
| 96 | 21 |
| 97 | 16 |
| 98 | 27 |
| 99 | 21 |
| 00 | 33 |
| 01 | 24 |
| 02 | 25 |
| 03 | 17 |
| 04 | 14 |
| 05 | 28 |
| 06 | 19 |
| 07 | 13 |
| 08 | 11 |
| 09 | 17 |
| 10 | 21 |
| 11 | 20 |
| 12 | 17 |
| 13 | 29 |
| 14 | 30 |
| 15 | 33 |
| 16 | 5 |
| 17 | 2 |
| 18 | 10 |
| 19 | 7 |
| 22 | 1 |
| 24 | 1 |
| 25 | 1 |
Parts most often reported as the reports name them
Engine43Duct13Switch12Control Cable11Pump11Line10Blade9Bolt8Bracket8Fitting8
Parts most reported, as a table
| reports | |
|---|---|
| Engine | 43 |
| Duct | 13 |
| Switch | 12 |
| Control Cable | 11 |
| Pump | 11 |
| Line | 10 |
| Blade | 9 |
| Bolt | 8 |
| Bracket | 8 |
| Fitting | 8 |
Latest reports
2025-04-13Rivet: loose
2024-01-11Lock Fastener: loose
2022-04-07Lamp: broken
2019-08-06Rod End: corroded
2019-06-14Blades: cracked
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
- Quest Aircraft Company Llc KODIAK 100 8 with this engine series
- Pacific Aerospace Ltd 750 6 with this engine series
- Dehavilland DHC-2 5 with this engine series
- Pacific Aerospace Corp Ltd 750 4 with this engine series
- Beechcraft 65 3 with this engine series
- Dehavilland DHC-3 3 with this engine series
- Air Tractor Inc AT-502 2 with this engine series
- Dehavilland Canada DHC-3 2 with this engine series
Where they are
Biggest operators
- Dynamic Avlease INC 3 of these aircraft
- Rustair INC 2 of these aircraft
- Volatile Aero Ventures LLC 1 of these aircraft
- Utah State University 1 of these aircraft
Airworthiness
- Failure reports on the Pratt & Whitney PT6A-34 465 reports since 1995
Analytics
These connections as data: /graph/engine/pratt-whitney-pt6a-34.json · about the eFlight graph.
Aircraft newest certificates first · 42
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N28NR | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | Jaars INC Waxhaw, North Carolina |
Standard | 2026-01-20 | ValidFAA registration status code V: Valid registration. All codes |
| N711D | Piper PA 46-350P |
Fixed-wing, single engine | Co-owned owner North Dakota |
Standard | 2026-01-01 | ValidFAA registration status code V: Valid registration. All codes |
| N727FH | Dehavilland DHC-3 |
Fixed-wing, single engine | Emerald Air Service INC Homer, Alaska |
Standard | 2025-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N798JT | Pacific Aerospace Ltd 750XL |
Fixed-wing, single engine | Summit Skydive LLC San Antonio, Texas |
Standard | 2025-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N750SN | Pacific Aerospace Corp Ltd 750XL |
Fixed-wing, single engine | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2025-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4899R | Dehavilland Canada DHC-3 |
Fixed-wing, single engine | Rustair INC Anchorage, Alaska |
Standard | 2025-05-21 | ValidFAA registration status code V: Valid registration. All codes |
| N502RE | Air Tractor Inc AT-502B |
Fixed-wing, single engine | R and R Flight Service INC Mendota, Illinois |
Restricted | 2025-02-05 | ValidFAA registration status code V: Valid registration. All codes |
| N223QK | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2024-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N43CH | Piper PA 46-350P |
Fixed-wing, single engine | Individual owner Texas |
Special flight permit | 2024-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N502MV | Air Tractor Inc AT-502B |
Fixed-wing, single engine | Midwest Aerial Spraying LLC Dorchester, Nebraska |
Restricted | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N771RT | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | Redtail Partners LLC Moab, Utah |
Standard | 2024-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N603DA | Dehavilland DHC 2 MK III |
Fixed-wing, single engine | Destination Alaska Air Service LLC Homer, Alaska |
Standard | 2023-12-18 | ValidFAA registration status code V: Valid registration. All codes |
| N524SL | Ayres Corporation S2R-T34 |
Fixed-wing, single engine | Crop Dusters LLC Maurice, Iowa |
Restricted | 2023-09-05 | ValidFAA registration status code V: Valid registration. All codes |
| N13SU | Pacific Aerospace Ltd 750XL |
Fixed-wing, single engine | Downwind LLC DBA Salt Lake City, Utah |
Standard | 2023-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N141DZ | Pacific Aerospace Ltd 750XL |
Fixed-wing, single engine | Liam 750 INC Charlevoix, Michigan |
Standard | 2023-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N97TB | Dehavilland DHC 2 MK III |
Fixed-wing, single engine | North Atlantic Air Services LLC Arundel, Maine |
Standard | 2023-04-03 | ValidFAA registration status code V: Valid registration. All codes |
| N750DV | Pacific Aerospace Corp Ltd 750XL |
Fixed-wing, single engine | T & T Delaware Aviation LLC Wilmington, Delaware |
Multiple | 2023-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N216PK | Pacific Aerospace Corp Ltd 750XL |
Fixed-wing, single engine | Tecumseh Skydiving School LLC Jackson, Michigan |
Multiple | 2022-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N81KQ | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | Blue Sky Air Services LLC Wilmington, Delaware |
Standard | 2021-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N902ST | Pacific Aerospace Corp Ltd 750XL |
Fixed-wing, single engine | True North Aviation LLC Mulino, Oregon |
Standard | 2020-02-13 | ValidFAA registration status code V: Valid registration. All codes |
| N92858 | Dehavilland Canada DHC-3 |
Fixed-wing, single engine | Blue Aircraft LLC Ketchikan, Alaska |
Standard | 2019-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N504KQ | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | Kodiak Aircraft CO INC Sandpoint, Idaho |
Experimental | 2018-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N438DL | Don Locker BLACKTIP |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2018-02-01 | ValidFAA registration status code V: Valid registration. All codes |
| N753BX | Lancair Intl Inc PROPJET |
Fixed-wing, single engine | Utah State University Logan, Utah |
Experimental | 2017-11-07 | ValidFAA registration status code V: Valid registration. All codes |
| N751BX | Lancair Intl Inc PROPJET |
Fixed-wing, single engine | South Seattle College Seattle, Washington |
Experimental | 2017-07-13 | ValidFAA registration status code V: Valid registration. All codes |
| N750VX | Pacific Aerospace Ltd 750XL |
Fixed-wing, single engine | Randigo LLC Wilmington, Delaware |
Restricted | 2017-02-23 | ValidFAA registration status code V: Valid registration. All codes |
| N814SS | Viking Air Limited DHC-6-400 |
Fixed-wing, multi-engine | Hilcorp Equipment LLC Anchorage, Alaska |
Standard | 2014-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N249NZ | Pacific Aerospace Ltd 750XL |
Fixed-wing, single engine | Skydive Guam INC Barrigada, Guam |
Standard | 2014-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N344CS | Dehavilland DHC-6-300 |
Fixed-wing, multi-engine | Transport Company LLC Colorado Springs, Colorado |
Standard | 2014-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N548GT | Dehavilland DHC 2 MK III |
Fixed-wing, single engine | Southwest Associates LLC Bigfork, Montana |
Standard | 2013-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N77TF | Viking Air Limited DHC-6-400 |
Fixed-wing, multi-engine | Standard | 2013-03-26 | ValidFAA registration status code V: Valid registration. All codes | |
| N320KT | Dehavilland DHC-3 |
Fixed-wing, single engine | Rustair INC Anchorage, Alaska |
Standard | 2012-07-06 | ValidFAA registration status code V: Valid registration. All codes |
| N557HD | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | Kodiak Flyers LLC Salt Lake City, Utah |
Standard | 2012-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N61Q | Beech 65-A90-1 |
Fixed-wing, multi-engine | Dynamic Avlease INC Bridgewater, Virginia |
Multiple | 2011-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N70U | Beech 65-A90-1 |
Fixed-wing, multi-engine | Dynamic Avlease INC Bridgewater, Virginia |
Multiple | 2011-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N247TC | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | Town & Country Aviation LLC Sunnyvale, California |
Standard | 2010-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N769 | Quest Aircraft Company Llc KODIAK 100 |
Fixed-wing, single engine | United States Dept of Interior Boise, Idaho |
Standard | 2010-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N155VV | Pacific Aerospace Ltd 750XL |
Fixed-wing, single engine | Volatile Aero Ventures LLC Boulder City, Nevada |
Standard | 2009-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N6868B | Dehavilland DHC-3 |
Fixed-wing, single engine | Doyon Air Transport LLC Ketchikan, Alaska |
Multiple | 2007-12-07 | ValidFAA registration status code V: Valid registration. All codes |
| N72TT | Dehavilland DHC 2 MK III |
Fixed-wing, single engine | Tarmac Turbo LLC Issaquah, Washington |
Standard | 1999-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N7155P | Beech 65-A90-1 |
Fixed-wing, multi-engine | Dynamic Avlease INC Bridgewater, Virginia |
Restricted | 1999-03-12 | ValidFAA registration status code V: Valid registration. All codes |
| N94DN | Dehavilland DHC 2 MK III |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.