Engines · turboprop · data as of October 7, 2026

Pratt & Whitney PT6A series

2,219 aircraft on the U.S. register carry a Pratt & Whitney PT6A series engine, rated at about 750 horsepower. The Cessna 208 Caravan is the model most often fitted with it (399 aircraft). The aircraft carrying it were built between 1961 and 2026.

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 series (2 codes). FAA spellings: PT6A SER · PT6A SERIES.

Fitted to model families

Cessna 208 Caravan399Beechcraft C90 King Air C90191Air Tractor Inc AT-502188Piper PA-46 Malibu, Mirage, Matrix and M-Class186Beechcraft B200 King Air B200151Beechcraft B300 King Air 350121Air Tractor Inc AT-40294Daher (Socata) TBM-700 TBM 700 through TBM 96093Pilatus PC-1283Air Tractor Inc AT-80268Beechcraft 200 King Air 20046Beechcraft 1900 Airliner42

Cessna 208 Caravan · Beechcraft C90 King Air C90 · Air Tractor Inc AT-502 · Piper PA-46 Malibu, Mirage, Matrix and M-Class · Beechcraft B200 King Air B200 · Beechcraft B300 King Air 350 · Air Tractor Inc AT-402 · Daher (Socata) TBM-700 TBM 700 through TBM 960 · Pilatus PC-12 · Air Tractor Inc AT-802

Where they are owner's state

Texas228Tennessee218California142Florida135Delaware108Utah81Kansas68Oklahoma64Louisiana58Colorado58

Kind of aircraft

Turboprops2,159 (97%)Piston singles52 (2%)Piston twins7 (0.3%)Business jets1 (0.0%)

When the aircraft were built by decade

What the FAA has certified, ordered and been told about the Pratt & Whitney PT6A series the component layer

The FAA has issued 2 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 8,206 failure reports with the FAA since 1995, 343 of them in the last ten years.

FAA orders 2 airworthiness directives · newest first

1980-04-1880-08-12 · Fuel Pump Drive Coupling Splines · engine

1977-04-0175-06-01 · Gearbox Deterioration · engine

Failure reports 8,206 since · what operators and shops told the FAA

Parts most often reported as the reports name them

Engine744Wire171Bearing165Windshield164Skin162Actuator160Fuel Control159Switch149Line135Bolt126

Latest reports

2026-10-06Mount: cracked

2026-08-20Motor: burned out

2026-08-13Igniter: burned

2026-08-10Warning Message: multiple ind

2026-08-04Strut: damaged

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

Cessna 208 Caravan 399 with this engine series
Beechcraft C90 King Air C90 191 with this engine series
Air Tractor Inc AT-502 188 with this engine series
Piper PA-46 Malibu, Mirage, Matrix and M-Class 186 with this engine series
Beechcraft B200 King Air B200 151 with this engine series
Beechcraft B300 King Air 350 121 with this engine series
Air Tractor Inc AT-402 94 with this engine series
Daher (Socata) TBM-700 TBM 700 through TBM 960 93 with this engine series

Where they are

Texas 228 of these aircraft
Tennessee 218 of these aircraft
California 142 of these aircraft
Florida 135 of these aircraft
Delaware 108 of these aircraft

Biggest operators

Federal Express Corporation 134 of these aircraft
Federal Express CORP 49 of these aircraft
Alpine Aviation INC 31 of these aircraft
Guardian Flight LLC 23 of these aircraft
Dynamic Avlease INC 23 of these aircraft

Airworthiness

FAA orders naming the Pratt & Whitney PT6A series 2 airworthiness directives
Failure reports on the Pratt & Whitney PT6A series 8,206 reports since 1995

Analytics

These connections as data: /graph/engine/pratt-whitney-pt6a-series.json · about the eFlight graph.

Aircraft newest certificates first · 2,219

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N606KA	Dehavilland DHC-3	Fixed-wing, single engine	Kenmore Air Harbor LLC Kenmore, Washington	Standard	1995-04-25	Valid
N705FX	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1995-04-25	Valid
N702FX	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1995-04-11	Valid
N701FX	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1995-03-31	Valid
N700FX	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1995-03-30	Valid
N57PA	Beech B200	Fixed-wing, multi-engine	Individual owner California	Standard	1995-03-23	Valid
N6124G	Ayres Corporation S2R-T34	Fixed-wing, single engine	American AG Aviation INC DBA Five Points, California	Restricted	1994-08-24	Valid
N846BE	Beech 300	Fixed-wing, multi-engine	M D Airways INC Derby, Kansas	Standard	1994-08-11	Valid
N73RA	Embraer EMB-110P1	Fixed-wing, multi-engine	Royal Air Freight INC Waterford, Michigan	Standard	1994-04-21	Valid
N53993	Dehavilland DHC-7-103	Fixed-wing, multi-engine	United States Government Fort Belvoir, Virginia	Experimental	1994-04-14	Valid
N2185M	Pilatus PC-6/B1-H2	Fixed-wing, single engine	Freefall Express Gardiner, New York	Standard	1994-04-06	Valid
N40269	Dehavilland DHC-6-200	Fixed-wing, multi-engine	Freefall Express INC Gardiner, New York	Standard	1993-12-13	Valid
N70MN	Beech B200	Fixed-wing, multi-engine	State of Minnesota Saint Paul, Minnesota	Standard	1993-10-13	Valid
N9187Q	Air Tractor Inc AT-502	Fixed-wing, single engine	Lewis Flying & Maintenance Service INC Morse, Louisiana	Restricted	1993-07-20	Valid
N75090	Schweizer Aircraft Corp G164B-34T	Fixed-wing, single engine	Gasper Air Spray INC Crookston, Minnesota	Restricted	1993-04-28	Valid
N214P	Beech C90	Fixed-wing, multi-engine	Navajo Nation Window Rock, Arizona	Standard	1993-01-13	Valid
N798FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1992-11-27	Valid
N9053S	Air Tractor Inc AT-402	Fixed-wing, single engine	Co-owned owner Oregon	Restricted	1992-11-17	Valid
N90422	Dehavilland DHC-3	Fixed-wing, single engine	Kenmore Air Harbor LLC Kenmore, Washington	Standard	1992-10-09	Valid
N15570	Air Tractor Inc AT-402	Fixed-wing, single engine	Shearer Sprayers INC The Dalles, Oregon	Restricted	1992-10-06	Valid
N895FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1992-09-16	Valid
N143Z	Dehavilland DHC-6-300	Fixed-wing, multi-engine	Usda Forest Service Fire & Aviation Boise, Idaho	Standard	1992-09-14	Valid
N4365U	Cessna 208B	Fixed-wing, single engine	Wright Air Service INC Fairbanks, Alaska	Standard	1992-05-27	Valid
N804FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1992-05-05	Valid
N820FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Experimental	1992-05-05	Valid
N831FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1992-05-05	Valid
N77HD	Beech B200	Fixed-wing, multi-engine	Arkansas Department of Transportation Little Rock, Arkansas	Standard	1992-04-23	Valid
N502NJ	Air Tractor Inc AT-502	Fixed-wing, single engine	Bretts Spray Service INC Onida, South Dakota	Restricted	1992-04-15	Valid
N795FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1992-02-18	Valid
N34A	Embraer EMB-110P1	Fixed-wing, multi-engine	Royal Air Freight INC Waterford, Michigan	Standard	1992-02-14	Valid
N794FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1992-02-05	Valid
N1VX	Smith Mike XP-99	Fixed-wing, single engine	Mid America Sprayers INC Johnson, Kansas	Experimental	1992-01-14	Valid
N792FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1992-01-08	Valid
N550HZ	Helio HST-550A	Fixed-wing, single engine	Individual owner Arizona	Experimental	1991-12-24	Valid
N790FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-12-11	Valid
N787FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-11-12	Valid
N788FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-11-12	Valid
N785FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-11-05	Valid
N786FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-11-05	Valid
N784FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-10-23	Valid
N782FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-10-17	Valid
N783FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-10-17	Valid
N781FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-09-11	Valid
N780FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-09-03	Valid
N778FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-08-26	Valid
N779FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-08-21	Valid
N775FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-08-07	Valid
N774FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-07-12	Valid
N770FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-06-06	Valid
N768FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-05-13	Valid
N7509V	Schweizer Aircraft Corp G-164B-20T	Fixed-wing, single engine	Richard Flying Service INC Rayne, Louisiana	Restricted	1991-05-10	Valid
N767FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-05-06	Valid
N765FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-04-15	Valid
N763FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-04-01	Valid
N762FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-03-15	Valid
N761FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-02-28	Valid
N751FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1991-01-09	Valid
N752FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1991-01-07	Valid
N749FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1990-12-29	Valid
N748FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-12-15	Valid
N747FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-12-14	Valid
N611CR	Beech C90A	Fixed-wing, multi-engine	V J Coleman and Son Ackerly, Texas	Standard	1990-11-07	Valid
N884FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-10-24	Valid
N899FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-10-24	Valid
N897FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-09-04	Valid
N894FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-08-01	Valid
N891FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-07-11	Valid
N892FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-07-09	Valid
N890FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-06-15	Valid
N889FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1990-06-07	Valid
N888FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-05-30	Valid
N887FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-05-24	Valid
N880FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1990-05-11	Valid
N879FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1990-04-19	Valid
N878FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-04-02	Valid
N883FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-03-19	Valid
N875FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-02-23	Valid
N876FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-02-23	Valid
N882FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1990-02-22	Valid
N874FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1990-02-01	Valid
N881FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1990-01-23	Valid
N873FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1990-01-06	Valid
N872FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-12-26	Valid
N987FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-12-26	Valid
N871FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-12-01	Valid
N870FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-11-20	Valid
N997FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-11-20	Valid
N869FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-11-06	Valid
N986FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-11-06	Valid
N867FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-09-28	Valid
N886FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-09-28	Valid
N865FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-09-20	Valid
N866FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-09-20	Valid
N863FE	Cessna 208B	Fixed-wing, single engine	Federal Express CORP Memphis, Tennessee	Standard	1989-09-01	Valid
N861FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-08-23	Valid
N862FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-08-22	Valid
N859FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-08-14	Valid
N858FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-07-31	Valid
N939FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-07-31	Valid
N856FE	Cessna 208B	Fixed-wing, single engine	Federal Express Corporation Memphis, Tennessee	Standard	1989-07-13	Valid

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.