The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 7, 2026

Pratt & Whitney R1340 series

1,230 aircraft on the U.S. register carry a Pratt & Whitney R1340 series engine, rated at about 600 horsepower. The North American AT-6 Texan is the model most often fitted with it (183 aircraft). The aircraft carrying it were built between 1933 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 R1340 series. FAA spelling: R1340 SERIES.

When the aircraft were built by decade

By decade built, as a table
aircraft
19205
193016
1940310
1950181
196050
1970297
198091
199054
20004
20101
20201

What the FAA has certified, ordered and been told about the Pratt & Whitney R1340 series the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 58 failure reports with the FAA since 1995, 15 of them in the last ten years.

Failure reports 58 since · what operators and shops told the FAA

0247995000612118
Failure reports by year, as a table
reports
952
963
975
981
991
001
013
025
043
059
064
073
083
105
114
121
131
142
151
181

Parts most often reported as the reports name them

Cylinder6Engine4Cylinder Head3Exhaust Valve3Nut3Attach Angle2Roller2Strut2Angle1Battery1
Parts most reported, as a table
reports
Cylinder6
Engine4
Cylinder Head3
Exhaust Valve3
Nut3
Attach Angle2
Roller2
Strut2
Angle1
Battery1

Latest reports

2018-08-02Throttle Arm: worn
2015-05-19Cam: worn
2014-08-24Cylinder: fractured
2014-07-28Engine: power loss
2013-04-24Bearing: failed

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
Where they are
Biggest operators
Airworthiness

These connections as data: /graph/engine/pratt-whitney-r1340-series.json · about the eFlight graph.

Aircraft newest certificates first · 1,230

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N7396 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Sky Tractor LLC
Hillsboro, North Dakota
Restricted 2014-06-30 ValidFAA registration status code V: Valid registration. All codes
N299FM North American
SNJ-4
Fixed-wing, single engine Individual owner
Georgia
Standard 2014-06-25 ValidFAA registration status code V: Valid registration. All codes
N331JN Aero Commander
S2R
Fixed-wing, single engine Magnum Aviation LLC
Goff, Kansas
Restricted 2014-06-10 ValidFAA registration status code V: Valid registration. All codes
N9805C North American
SNJ-5B
Fixed-wing, single engine Snj LLC
Downers Grove, Illinois
Standard 2014-06-10 ValidFAA registration status code V: Valid registration. All codes
N3631F North American
SNJ-5
Fixed-wing, single engine Individual owner
Texas
Standard 2014-06-06 ValidFAA registration status code V: Valid registration. All codes
N7307Y Air Tractor Inc
AT-301
Fixed-wing, single engine Roseau AG INC
Georgetown, Minnesota
Restricted 2014-05-27 ValidFAA registration status code V: Valid registration. All codes
N1013F Air Tractor Inc
AT-401
Fixed-wing, single engine Corpora Aerial Service INC
Hearne, Texas
Restricted 2014-05-23 ValidFAA registration status code V: Valid registration. All codes
N54GZ Grumman
G-73
Fixed-wing, multi-engine Pacific Flying Boats INC
Middletown, Delaware
Standard 2014-05-20 ValidFAA registration status code V: Valid registration. All codes
N3633C Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Cw Equipment Rentals INC
Biggs, California
Restricted 2014-05-16 ValidFAA registration status code V: Valid registration. All codes
N5368 Grumman
G-164A
Fixed-wing, single engine Cw Equipment Rentals INC
Biggs, California
Restricted 2014-05-16 ValidFAA registration status code V: Valid registration. All codes
N8178G Schweizer Aircraft Corp
G164B-34T
Fixed-wing, single engine Cw Equipment Rentals INC
Biggs, California
Restricted 2014-05-16 ValidFAA registration status code V: Valid registration. All codes
N8214S Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Cw Equipment Rentals INC
Biggs, California
Restricted 2014-05-16 ValidFAA registration status code V: Valid registration. All codes
N897X Grumman
G-164A
Fixed-wing, single engine Cw Equipment Rentals INC
Biggs, California
Restricted 2014-05-16 ValidFAA registration status code V: Valid registration. All codes
N7689C North American
T-6G
Fixed-wing, single engine Individual owner
Nevada
Standard 2014-05-14 ValidFAA registration status code V: Valid registration. All codes
N573AF Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Watson Air Farm LLC
Thibodaux, Louisiana
Restricted 2014-05-06 ValidFAA registration status code V: Valid registration. All codes
N9874 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Tall-Towers Aviation INC
Page, North Dakota
Restricted 2014-05-06 ValidFAA registration status code V: Valid registration. All codes
N8535H Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
Texas
Restricted 2014-04-29 ValidFAA registration status code V: Valid registration. All codes
N8126K Gulfstream-Schweizer A/C Corp
GULFSTREAM AM G-164B
Fixed-wing, single engine Ondrak Air LLC
Shelton, Nebraska
Restricted 2014-04-16 ValidFAA registration status code V: Valid registration. All codes
N5449 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Precision AG Air LLC
Pendleton, Indiana
Restricted 2014-04-08 ValidFAA registration status code V: Valid registration. All codes
N44711 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Abidance INC
Winthrop, Washington
Restricted 2014-04-04 ValidFAA registration status code V: Valid registration. All codes
N45233 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Abidance INC
Winthrop, Washington
Restricted 2014-04-04 ValidFAA registration status code V: Valid registration. All codes
N273Z Herald M D/Ladue R L
DGA-6
Fixed-wing, single engine Individual owner
California
Experimental 2014-03-14 ValidFAA registration status code V: Valid registration. All codes
N48JC North American
AT-6G
Fixed-wing, single engine Individual owner
Colorado
Standard 2014-03-14 ValidFAA registration status code V: Valid registration. All codes
N1730B Boeing
E75N1
Fixed-wing, single engine Individual owner
Washington
Restricted 2014-03-12 ValidFAA registration status code V: Valid registration. All codes
N7501P Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Nelson Flyers INC
Louise, Texas
Restricted 2014-03-12 ValidFAA registration status code V: Valid registration. All codes
N7693 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Triple F Flying INC
Benton, Pennsylvania
Restricted 2014-03-10 ValidFAA registration status code V: Valid registration. All codes
N632SS Grumman
G-73
Fixed-wing, multi-engine Spitfire Venture LLC
San Antonio, Texas
Standard 2014-03-07 ValidFAA registration status code V: Valid registration. All codes
N6900C North American
SNJ-5
Fixed-wing, single engine 14 Halo Flight LLC
Sugar City, Idaho
Standard 2014-02-28 ValidFAA registration status code V: Valid registration. All codes
N7058C North American
SNJ-4
Fixed-wing, single engine Individual owner
Texas
Standard 2014-02-28 ValidFAA registration status code V: Valid registration. All codes
N17689 Dehavilland
DHC-3
Fixed-wing, single engine Rjf Holdings LLC
Rcho Sta Marg, California
Standard 2014-02-24 ValidFAA registration status code V: Valid registration. All codes
N42BT Canadian Car & Foundry/Baker
HARVARD MK IV
Fixed-wing, single engine Individual owner
Tennessee
Experimental 2014-02-20 ValidFAA registration status code V: Valid registration. All codes
N16JG North American
AT-6C
Fixed-wing, single engine Individual owner
Texas
Standard 2014-02-18 ValidFAA registration status code V: Valid registration. All codes
N5296V North American
AT-6G
Fixed-wing, single engine Thunder Aviation LLC
Oconomowoc, Wisconsin
Standard 2014-02-04 ValidFAA registration status code V: Valid registration. All codes
N2834D North American
AT-6F
Fixed-wing, single engine Museum of Flight Foundation
Seattle, Washington
Standard 2014-01-28 ValidFAA registration status code V: Valid registration. All codes
N6671K Grumman Acft Eng Cor-Schweizer
G-164C
Fixed-wing, single engine Richter Aviation INC
Maxwell, California
Restricted 2014-01-14 ValidFAA registration status code V: Valid registration. All codes
N704SF Aero Commander
S2R
Fixed-wing, single engine Schindler Flying INC
Neligh, Nebraska
Restricted 2014-01-08 ValidFAA registration status code V: Valid registration. All codes
N94SC North American
T-6G
Fixed-wing, single engine Individual owner
Colorado
Standard 2014-01-03 ValidFAA registration status code V: Valid registration. All codes
N687VT North American/Schwamm
AT-6F
Fixed-wing, single engine Individual owner
Florida
Standard 2014-01-02 ValidFAA registration status code V: Valid registration. All codes
N5599L North American-Kalashian
T-6G
Fixed-wing, single engine Bavarian Barnstormers 2 INC
N Fort Myers, Florida
Standard 2013-12-12 ValidFAA registration status code V: Valid registration. All codes
N394NA North American
T-6G
Fixed-wing, single engine Kourtis Vintage Aviation LLC
Owasso, Oklahoma
Standard 2013-12-10 ValidFAA registration status code V: Valid registration. All codes
N6596K Grumman Acft Eng Cor-Schweizer
G-164C
Fixed-wing, single engine Jones Aviation INC
Biggs, California
Restricted 2013-12-02 ValidFAA registration status code V: Valid registration. All codes
N8929Q Rockwell International
S-2R
Fixed-wing, single engine Jones Aviation INC
Biggs, California
Restricted 2013-12-02 ValidFAA registration status code V: Valid registration. All codes
N101RF North American
SNJ-5
Fixed-wing, single engine American Airpower Heritage Flying Museum
Dallas, Texas
Standard 2013-11-20 ValidFAA registration status code V: Valid registration. All codes
N6126Q Ayres Corporation
S2R-R1340
Fixed-wing, single engine Lindeman INC
D Hanis, Texas
Restricted 2013-11-12 ValidFAA registration status code V: Valid registration. All codes
N9709 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Nor Wes INC
Shreveport, Louisiana
Restricted 2013-09-06 ValidFAA registration status code V: Valid registration. All codes
N3100G North American
T-6G
Fixed-wing, single engine Individual owner
California
Standard 2013-09-04 ValidFAA registration status code V: Valid registration. All codes
N45CK North American
SNJ-6
Fixed-wing, single engine Martin Aviation INC
Santa Ana, California
Standard 2013-08-26 ValidFAA registration status code V: Valid registration. All codes
N1637S Snow
600-S2C
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2013-08-13 ValidFAA registration status code V: Valid registration. All codes
N2137U Air Tractor Inc
AT-301
Fixed-wing, single engine Newberg Sky Spray LLC
Hector, Minnesota
Restricted 2013-08-05 ValidFAA registration status code V: Valid registration. All codes
N1683S Snow
600-S2C
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2013-07-18 ValidFAA registration status code V: Valid registration. All codes
N51428 North American
SNJ-4
Fixed-wing, single engine Mach 25 Aviation LLC
Hudson, Wisconsin
Standard 2013-07-18 ValidFAA registration status code V: Valid registration. All codes
N5079S Air Tractor Inc
AT-301
Fixed-wing, single engine Individual owner
Texas
Restricted 2013-06-21 ValidFAA registration status code V: Valid registration. All codes
N3669X Aero Commander
S2R
Fixed-wing, single engine Individual owner
South Dakota
Restricted 2013-06-20 ValidFAA registration status code V: Valid registration. All codes
N4183X Rockwell International
S-2R
Fixed-wing, single engine Individual owner
Texas
Restricted 2013-06-19 ValidFAA registration status code V: Valid registration. All codes
N7077C North American
SNJ-4
Fixed-wing, single engine Co-owned owner
California
Standard 2013-06-04 ValidFAA registration status code V: Valid registration. All codes
N3HG North American
T-6G
Fixed-wing, single engine Warbird Museum LLC
Colonial Heights, Virginia
Standard 2013-05-29 ValidFAA registration status code V: Valid registration. All codes
N4214X Rockwell International
S-2R
Fixed-wing, single engine Towe Boys Agri Service
Madison, Alabama
Restricted 2013-05-28 ValidFAA registration status code V: Valid registration. All codes
N7437C North American
SNJ-4
Fixed-wing, single engine Individual owner
Michigan
Standard 2013-05-13 ValidFAA registration status code V: Valid registration. All codes
N4013Y Ayres Corporation
S2R-600
Fixed-wing, single engine Individual owner
Colorado
Restricted 2013-05-09 ValidFAA registration status code V: Valid registration. All codes
N4961X Rockwell International
S-2R
Fixed-wing, single engine Cat-Ag Aviation LLC
Madras, Oregon
Restricted 2013-04-30 ValidFAA registration status code V: Valid registration. All codes
N910MG Ag-Cat Corporation
G-164B
Fixed-wing, single engine Vincent Flying Service INC
Kaplan, Louisiana
Experimental 2013-04-19 ValidFAA registration status code V: Valid registration. All codes
N696WM North American
SNJ-3
Fixed-wing, single engine Individual owner
Texas
Standard 2013-03-25 ValidFAA registration status code V: Valid registration. All codes
N8829S Air Tractor Inc
AT-301
Fixed-wing, single engine Co-owned owner
Texas
Restricted 2013-02-20 ValidFAA registration status code V: Valid registration. All codes
N98T Dehavilland
DHC-3
Fixed-wing, single engine Individual owner
Alaska
Standard 2013-02-15 ValidFAA registration status code V: Valid registration. All codes
N62167 Boeing
A75N1(PT17)
Fixed-wing, single engine S R Gilliam Construction INC
Carthage, North Carolina
Restricted 2013-02-14 ValidFAA registration status code V: Valid registration. All codes
N5238S Air Tractor Inc
AT-301
Fixed-wing, single engine Individual owner
Washington
Restricted 2013-02-07 ValidFAA registration status code V: Valid registration. All codes
N72GT Lockheed
ELECTRA 10-E
Fixed-wing, multi-engine Museum of Flight Foundation
Seattle, Washington
Experimental 2013-02-07 ValidFAA registration status code V: Valid registration. All codes
N75099 Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Vincent Flying Service INC
Kaplan, Louisiana
Restricted 2013-02-07 ValidFAA registration status code V: Valid registration. All codes
N80714 N American/Klaer/Wojciak
SNJ-4
Fixed-wing, single engine North American Warbirds LLC
Commerce City, Colorado
Experimental 2013-01-23 ValidFAA registration status code V: Valid registration. All codes
N16JV North American
T-6G
Fixed-wing, single engine Greatest Generation Naval Museum
Colorado Springs, Colorado
Standard 2013-01-11 ValidFAA registration status code V: Valid registration. All codes
N7RK North American
AT-6D
Fixed-wing, single engine Tri State Warbird Museum
Batavia, Ohio
Standard 2013-01-08 ValidFAA registration status code V: Valid registration. All codes
N5450 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Growers Air Service
Woodland, California
Restricted 2013-01-04 ValidFAA registration status code V: Valid registration. All codes
N27775 North American
SNJ-4
Fixed-wing, single engine Individual owner
Texas
Standard 2012-10-30 ValidFAA registration status code V: Valid registration. All codes
N151AT North American
T-6G
Fixed-wing, single engine Purkinje LTD LLC
Wilmington, Delaware
Standard 2012-10-29 ValidFAA registration status code V: Valid registration. All codes
N15NV Ayres Corporation
S-2R
Fixed-wing, single engine North Valley Aircraft INC
Valley City, North Dakota
Restricted 2012-09-21 ValidFAA registration status code V: Valid registration. All codes
N4996H North American
T-6G
Fixed-wing, single engine Kimmel Aviation Insurance Agency INC
Greenwood, Mississippi
Standard 2012-09-10 ValidFAA registration status code V: Valid registration. All codes
N1888T Grumman
G-73
Fixed-wing, multi-engine Good Aviation LLC
Oshkosh, Wisconsin
Standard 2012-08-15 ValidFAA registration status code V: Valid registration. All codes
N81854 North American
AT-6F
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2012-08-07 ValidFAA registration status code V: Valid registration. All codes
N9186J Air Tractor Inc
AT-401
Fixed-wing, single engine Swancutt Aviation INC
Chester, Iowa
Restricted 2012-08-07 ValidFAA registration status code V: Valid registration. All codes
N2863G North American
SNJ-6
Fixed-wing, single engine Condor Squadron Officers & Airmens Assoc INC
Van Nuys, California
Standard 2012-08-01 ValidFAA registration status code V: Valid registration. All codes
N10528 Bellanca
31-55A
Fixed-wing, single engine Individual owner
Minnesota
Standard 2012-07-31 ValidFAA registration status code V: Valid registration. All codes
N7356 Grumman
G-73
Fixed-wing, multi-engine Individual owner
Nevada
Standard 2012-07-30 ValidFAA registration status code V: Valid registration. All codes
N4052P Air Tractor Inc
AT-301
Fixed-wing, single engine Radium INC
Warren, Minnesota
Restricted 2012-07-26 ValidFAA registration status code V: Valid registration. All codes
N1010L Air Tractor Inc
AT-401
Fixed-wing, single engine Devil Dusters INC
Artesia, New Mexico
Restricted 2012-07-18 ValidFAA registration status code V: Valid registration. All codes
N1018B Dehavilland
DHC-3
Fixed-wing, single engine Summit Leasing LLC
Kenai, Alaska
Standard 2012-07-17 ValidFAA registration status code V: Valid registration. All codes
N16AA Grumman
G-164A
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2012-06-14 ValidFAA registration status code V: Valid registration. All codes
N9188B Air Tractor Inc
AT-401
Fixed-wing, single engine Tlc Flying INC
Colfax, Washington
Restricted 2012-06-07 ValidFAA registration status code V: Valid registration. All codes
N51KT North American
T-6G
Fixed-wing, single engine Individual owner
Arizona
Standard 2012-05-22 ValidFAA registration status code V: Valid registration. All codes
N4007L Ayres Corporation
S-2R
Fixed-wing, single engine Two River Airspray LLC
Cavalier, North Dakota
Restricted 2012-05-18 ValidFAA registration status code V: Valid registration. All codes
N709Y American Airplane & Engine
PILGRIM 100B
Fixed-wing, single engine Alaska Aviation Museum
Anchorage, Alaska
Standard 2012-05-17 ValidFAA registration status code V: Valid registration. All codes
N1747S Aero Commander
S2R
Fixed-wing, single engine Arnt Aerial Sprying INC
Worthington, Minnesota
Restricted 2012-05-14 ValidFAA registration status code V: Valid registration. All codes
N6569K Grumman Acft Eng Cor-Schweizer
G-164C
Fixed-wing, single engine Jones Aviation
Biggs, California
Restricted 2012-05-10 ValidFAA registration status code V: Valid registration. All codes
N5073S Air Tractor Inc
AT-301
Fixed-wing, single engine Individual owner
Colorado
Restricted 2012-05-08 ValidFAA registration status code V: Valid registration. All codes
N8539L North American Medore
T-6D
Fixed-wing, single engine Individual owner
Minnesota
Standard 2012-05-04 ValidFAA registration status code V: Valid registration. All codes
N5488V North American
SNJ-5
Fixed-wing, single engine Individual owner
Florida
Standard 2012-04-14 ValidFAA registration status code V: Valid registration. All codes
N3630B Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Wallace Aviation INC
Wallace, Nebraska
Restricted 2012-04-10 ValidFAA registration status code V: Valid registration. All codes
N7797V Ayres Corporation
S-2R
Fixed-wing, single engine Individual owner
Maryland
Restricted 2012-04-06 ValidFAA registration status code V: Valid registration. All codes
N100BW Dehavilland
DHC-3
Fixed-wing, single engine Talkeetna Air Taxi INC
Talkeetna, Alaska
Standard 2012-04-03 ValidFAA registration status code V: Valid registration. All codes
N9805 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Co-owned owner
North Dakota
Restricted 2012-03-28 ValidFAA registration status code V: Valid registration. All codes
N1658S Snow
600-S2C
Fixed-wing, single engine Individual owner
Montana
Restricted 2012-03-14 ValidFAA registration status code V: Valid registration. All codes
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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.