The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 8, 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

The whole map of how records connect · these connections as data: /graph/engine/pratt-whitney-r1340-series.json.

Aircraft newest certificates first · 1,230

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N9651 Ford
5-AT-B
Fixed-wing, multi-engine Individual owner
Florida
Multiple 1993-10-20 ValidFAA registration status code V: Valid registration. All codes
N8511V Rockwell International
S-2R
Fixed-wing, single engine Ruhe Sales INC
Leipsic, Ohio
Restricted 1993-09-15 ValidFAA registration status code V: Valid registration. All codes
N2950 Grumman
G-73
Fixed-wing, multi-engine Individual owner
Nevada
Standard 1993-06-17 ValidFAA registration status code V: Valid registration. All codes
N75964 North American
SNJ-4
Fixed-wing, single engine Nightingale William T
Alta Loma, California
Standard 1993-05-21 ValidFAA registration status code V: Valid registration. All codes
N70178 Grumman American Avn. Corp.
G-164
Fixed-wing, single engine Morten Air Service
Larimore, North Dakota
Restricted 1993-04-15 ValidFAA registration status code V: Valid registration. All codes
N5335 Grumman
G-164A
Fixed-wing, single engine Co-owned owner
California
Restricted 1993-02-10 ValidFAA registration status code V: Valid registration. All codes
N105W Lockheed
VEGA 5C
Fixed-wing, single engine Individual owner
Florida
Standard 1992-11-04 ValidFAA registration status code V: Valid registration. All codes
N8875H Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Richter Aviation INC
Maxwell, California
Restricted 1992-08-15 ValidFAA registration status code V: Valid registration. All codes
N5661X Aero Commander
S2R
Fixed-wing, single engine Co-owned owner
Oklahoma
Restricted 1992-08-06 ValidFAA registration status code V: Valid registration. All codes
N64514 Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
Virginia
Restricted 1992-07-14 ValidFAA registration status code V: Valid registration. All codes
N543LB North American
SNJ-5
Fixed-wing, single engine Individual owner
Missouri
Standard 1992-05-11 ValidFAA registration status code V: Valid registration. All codes
N1529W Air Tractor Inc
AT-401
Fixed-wing, single engine Olathe Spray Service INC
Olathe, Colorado
Restricted 1992-04-02 ValidFAA registration status code V: Valid registration. All codes
N6620Q Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Downtown Airport INC
Vineland, New Jersey
Restricted 1992-01-07 ValidFAA registration status code V: Valid registration. All codes
N2956 North American
AT-6C
Fixed-wing, single engine Individual owner
New Jersey
Standard 1991-12-20 ValidFAA registration status code V: Valid registration. All codes
N188AC Grumman
G-73
Fixed-wing, multi-engine Tanglefoot Wing and Wheel CO
Coolin, Idaho
Standard 1991-11-21 ValidFAA registration status code V: Valid registration. All codes
N5658X Aero Commander
S2R
Fixed-wing, single engine Rca Aviation LTD
Northwood, North Dakota
Restricted 1991-11-08 ValidFAA registration status code V: Valid registration. All codes
N58740 North American
SNJ-6
Fixed-wing, single engine Individual owner
California
Standard 1991-10-03 ValidFAA registration status code V: Valid registration. All codes
N4447 Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine American Airpower Heritage Flying Museum
Dallas, Texas
Experimental 1991-09-16 ValidFAA registration status code V: Valid registration. All codes
N101X North American
SNJ-5
Fixed-wing, single engine American Airpower Heritage Fly Museu
Dallas, Texas
Standard 1991-09-10 ValidFAA registration status code V: Valid registration. All codes
N89014 North American
SNJ-5
Fixed-wing, single engine American Airpower Heritage Fly Museu
Dallas, Texas
Standard 1991-09-10 ValidFAA registration status code V: Valid registration. All codes
N9097 Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine American Airpower Heritage Fly Museu
Dallas, Texas
Experimental 1991-09-10 ValidFAA registration status code V: Valid registration. All codes
N15799 Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine American Airpower Heritage Fly Museu
Dallas, Texas
Experimental 1991-09-09 ValidFAA registration status code V: Valid registration. All codes
N3195G North American
SNJ-5
Fixed-wing, single engine American Airpower Heritage Fly Museu
Dallas, Texas
Standard 1991-09-09 ValidFAA registration status code V: Valid registration. All codes
N7300C North American
AT-6D
Fixed-wing, single engine American Airpower Heritage Flying Museum INC
Dallas, Texas
Standard 1991-09-09 ValidFAA registration status code V: Valid registration. All codes
N9820C North American
SNJ-6
Fixed-wing, single engine American Airpower Heritage Flying Museum INC
Dallas, Texas
Experimental 1991-09-09 ValidFAA registration status code V: Valid registration. All codes
N11171 North American
AT-6B
Fixed-wing, single engine American Airpower Heritage Fly Musm
Dallas, Texas
Experimental 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N15797 Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine American Airpower Heritage Fly Musm
Dallas, Texas
Experimental 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N2047 Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine American Airpower Heritage Flying Mu
Dallas, Texas
Experimental 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N3246G North American
SNJ-5
Fixed-wing, single engine American Airpower Heritage Flying Museum INC
Dallas, Texas
Multiple 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N6411D North American
SNJ-4
Fixed-wing, single engine American Airpower Heritage Flying Mu
Dallas, Texas
Standard 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N65666 Boeing
B75N1
Fixed-wing, single engine American Airpower Heritage Flying Mu
Dallas, Texas
Restricted 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N67208 Consolidated Vultee
BT-13A
Fixed-wing, single engine American Airpower Heritage Flying Museum
Dallas, Texas
Experimental 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N7024C North American
SNJ-4
Fixed-wing, single engine American Airpower Heritage Flying Museum
Dallas, Texas
Standard 1991-09-06 ValidFAA registration status code V: Valid registration. All codes
N3725G North American
SNJ-5
Fixed-wing, single engine American Airpower Heritage Fly Musm
Dallas, Texas
Experimental 1991-09-05 ValidFAA registration status code V: Valid registration. All codes
N3646F North American
AT-6F
Fixed-wing, single engine Brothers Buck
Joliet, Illinois
Standard 1991-07-03 ValidFAA registration status code V: Valid registration. All codes
N121R Boeing
PT-13D
Fixed-wing, single engine Herzog Contracting CORP
St Joseph, Missouri
Experimental 1991-05-09 ValidFAA registration status code V: Valid registration. All codes
N7982 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
Washington
Restricted 1991-04-11 ValidFAA registration status code V: Valid registration. All codes
N957ED North American
SNJ-5
Fixed-wing, single engine Individual owner
Oregon
Standard 1991-02-13 ValidFAA registration status code V: Valid registration. All codes
N3NP Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Co-owned owner
Arizona
Standard 1990-12-17 ValidFAA registration status code V: Valid registration. All codes
N6891K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Individual owner
Louisiana
Restricted 1990-11-02 ValidFAA registration status code V: Valid registration. All codes
N8388 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Co-owned owner
California
Restricted 1990-10-26 ValidFAA registration status code V: Valid registration. All codes
N98BS Grumman
G-73
Fixed-wing, multi-engine Lac Management
New York, New York
Standard 1990-10-26 ValidFAA registration status code V: Valid registration. All codes
N4440N Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
Arkansas
Restricted 1990-10-10 ValidFAA registration status code V: Valid registration. All codes
N48491 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
North Dakota
Restricted 1990-08-16 ValidFAA registration status code V: Valid registration. All codes
N45116 Air Tractor Inc
AT-401
Fixed-wing, single engine Macys Flying Service INC
Tulelake, California
Restricted 1990-06-01 ValidFAA registration status code V: Valid registration. All codes
N3658U Air Tractor Inc
AT-301
Fixed-wing, single engine Bonner Aerial Applicators INC
Summerdale, Alabama
Restricted 1990-03-29 ValidFAA registration status code V: Valid registration. All codes
N2899J Dehavilland
DHC-3
Fixed-wing, single engine Rustair INC
Anchorage, Alaska
Restricted 1990-03-26 ValidFAA registration status code V: Valid registration. All codes
N2266W North American
SNJ-5
Fixed-wing, single engine Individual owner
Virginia
Standard 1990-03-01 ValidFAA registration status code V: Valid registration. All codes
N2374W Air Tractor Inc
AT-301
Fixed-wing, single engine Thomas AG Aerial INC
Thomas, Oklahoma
Restricted 1989-11-14 ValidFAA registration status code V: Valid registration. All codes
N1014N Air Tractor Inc
AT-401
Fixed-wing, single engine Frontier Agricultural Service INC
Calexico, California
Restricted 1989-10-05 ValidFAA registration status code V: Valid registration. All codes
N7464C North American
AT-6F
Fixed-wing, single engine Co-owned owner
Colorado
Standard 1989-06-02 ValidFAA registration status code V: Valid registration. All codes
N6463C North American
SNJ-7
Fixed-wing, single engine Individual owner
Alabama
Standard 1989-02-01 ValidFAA registration status code V: Valid registration. All codes
N31676 Air Tractor Inc
AT-301
Fixed-wing, single engine Associated Aerial Applicators
Lasalle, Colorado
Experimental 1989-01-17 ValidFAA registration status code V: Valid registration. All codes
N6620K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Lewis Flying & Maintenance Serv INC
Morse, Louisiana
Restricted 1988-08-22 ValidFAA registration status code V: Valid registration. All codes
N3627Q Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Sutter Butte Dusters INC
Live Oak, California
Restricted 1988-08-01 ValidFAA registration status code V: Valid registration. All codes
N15HB North American
SNJ-5
Fixed-wing, single engine Individual owner
South Carolina
Standard 1988-06-30 ValidFAA registration status code V: Valid registration. All codes
N45081 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Individual owner
New Hampshire
Restricted 1988-03-24 ValidFAA registration status code V: Valid registration. All codes
N8046K Gulfstream-Schweizer A/C Corp
GULFSTREAM AM G-164B
Fixed-wing, single engine Lewis Flying and Maintenance Svc INC
Morse, Louisiana
Restricted 1987-12-17 ValidFAA registration status code V: Valid registration. All codes
N9523C North American
AT-6C
Fixed-wing, single engine Individual owner
New York
Standard 1987-12-17 ValidFAA registration status code V: Valid registration. All codes
N9887H Howard Aircraft
DGA-15P
Fixed-wing, single engine Individual owner
Colorado
Standard 1987-10-29 ValidFAA registration status code V: Valid registration. All codes
N9782 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Evans Aviation INC
Imlay City, Michigan
Restricted 1987-09-03 ValidFAA registration status code V: Valid registration. All codes
N294CH Canadian Car & Foundry
HARVARD MK IV
Fixed-wing, single engine Combat Air Museum INC
Topeka, Kansas
Experimental 1987-08-04 ValidFAA registration status code V: Valid registration. All codes
N1944D North American
SNJ-5
Fixed-wing, single engine Individual owner
Oregon
Standard 1987-05-13 ValidFAA registration status code V: Valid registration. All codes
N8212E North American
SNJ-5
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 1987-04-16 ValidFAA registration status code V: Valid registration. All codes
N8967H Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Allen Chorman & Son INC
Milton, Delaware
Restricted 1987-02-03 ValidFAA registration status code V: Valid registration. All codes
N65370 North American
SNJ-2
Fixed-wing, single engine Snj-2 CORP
Farmingdale, New York
Standard 1987-01-31 ValidFAA registration status code V: Valid registration. All codes
N9936 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Lewis Flying & Maintenance Svc INC
Morse, Louisiana
Restricted 1986-12-22 ValidFAA registration status code V: Valid registration. All codes
N1791S Aero Commander
600 S-2D
Fixed-wing, single engine Individual owner
Florida
Restricted 1986-11-10 ValidFAA registration status code V: Valid registration. All codes
N6979C North American
AT-6D
Fixed-wing, single engine California Warbirds INC
Hollister, California
Standard 1986-11-03 ValidFAA registration status code V: Valid registration. All codes
N27409 North American
AT-6D
Fixed-wing, single engine Qrd Equipment CORP
Dover, Delaware
Standard 1986-02-24 ValidFAA registration status code V: Valid registration. All codes
N873H Boeing
100
Fixed-wing, single engine Individual owner
Florida
Standard 1985-12-05 ValidFAA registration status code V: Valid registration. All codes
N68467 Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
California
Restricted 1985-09-24 ValidFAA registration status code V: Valid registration. All codes
N5050S Air Tractor Inc
AT-301
Fixed-wing, single engine Individual owner
Texas
Restricted 1985-07-13 ValidFAA registration status code V: Valid registration. All codes
N8992 North American
HARVARD II B
Fixed-wing, single engine Individual owner
Texas
Experimental 1985-07-13 ValidFAA registration status code V: Valid registration. All codes
N9670C North American
T-6G
Fixed-wing, single engine Individual owner
Illinois
Standard 1984-12-10 ValidFAA registration status code V: Valid registration. All codes
N7991C North American
AT-6A
Fixed-wing, single engine Co-owned owner
Washington
Standard 1984-10-01 ValidFAA registration status code V: Valid registration. All codes
N4011X Ayres Corporation
S2R-600
Fixed-wing, single engine Co-owned owner
Minnesota
Restricted 1984-08-07 ValidFAA registration status code V: Valid registration. All codes
N8974Q Aero Commander
S2R
Fixed-wing, single engine Sherman Aviation INC
Redmond, Oregon
Restricted 1984-07-23 ValidFAA registration status code V: Valid registration. All codes
N4013S Ayres Corporation
S2R-600
Fixed-wing, single engine Houston Crop Service LLC
Perry, Georgia
Restricted 1984-05-22 ValidFAA registration status code V: Valid registration. All codes
N6594 Grumman
G-164A
Fixed-wing, single engine Individual owner
Washington
Restricted 1984-02-27 ValidFAA registration status code V: Valid registration. All codes
N29939 North American
AT-6D
Fixed-wing, single engine Wiley Sanders Truck Lines INC
Troy, Alabama
Standard 1983-09-21 ValidFAA registration status code V: Valid registration. All codes
N24554 North American-Banaire Entprs.
SNJ-4
Fixed-wing, single engine Mid Atlantic Air Museum INC
Reading, Pennsylvania
Standard 1983-02-01 ValidFAA registration status code V: Valid registration. All codes
N7958 Grumman
G-164A
Fixed-wing, single engine Individual owner
Alabama
Restricted 1982-11-08 ValidFAA registration status code V: Valid registration. All codes
N48556 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Lewis Flying & Maintenance Service
Morse, Louisiana
Restricted 1982-02-17 ValidFAA registration status code V: Valid registration. All codes
N7225 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
Ohio
Restricted 1981-08-24 ValidFAA registration status code V: Valid registration. All codes
N6694K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Individual owner
Louisiana
Restricted 1980-05-09 ValidFAA registration status code V: Valid registration. All codes
N6879K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Tanner Flying Service INC
Cortez, Colorado
Restricted 1979-04-03 ValidFAA registration status code V: Valid registration. All codes
N40054 Ayres Corporation
S-2R
Fixed-wing, single engine Lakeland Dusters Aviation INC
Corcoran, California
Restricted 1979-01-03 ValidFAA registration status code V: Valid registration. All codes
N164GC Grumman Acft Eng Cor-Schweizer
G-164C
Fixed-wing, single engine Avag INC
Richvale, California
Experimental 1978-09-19 ValidFAA registration status code V: Valid registration. All codes
N4508 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
South Carolina
Restricted 1978-09-19 ValidFAA registration status code V: Valid registration. All codes
N4870X Rockwell International
S-2R
Fixed-wing, single engine Johnson Airspray INC
Argyle, Minnesota
Restricted 1976-07-23 ValidFAA registration status code V: Valid registration. All codes
N5395 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Avag INC
Richvale, California
Restricted 1976-04-29 ValidFAA registration status code V: Valid registration. All codes
N8516H Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
California
Restricted 1976-02-09 ValidFAA registration status code V: Valid registration. All codes
N7223 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
South Carolina
Restricted 1974-03-29 ValidFAA registration status code V: Valid registration. All codes
N61815 Boeing
A75
Fixed-wing, single engine Independent Dusting Service INC
El Campo, Texas
Restricted 1974-03-27 ValidFAA registration status code V: Valid registration. All codes
N7554U North American
HARVARD 4
Fixed-wing, single engine Individual owner
Illinois
Experimental 1972-03-21 ValidFAA registration status code V: Valid registration. All codes
N9649C North American
AT-6D
Fixed-wing, single engine Individual owner
Florida
Standard 1970-12-11 ValidFAA registration status code V: Valid registration. All codes
N13347 Boeing
247D
Fixed-wing, multi-engine Museum of Flight Foundation
Seattle, Washington
Standard 1966-03-17 ValidFAA registration status code V: Valid registration. All codes
N16707 Bellanca
31-42 PACEMAKER
Fixed-wing, single engine Individual owner
Iowa
Multiple PendingFAA registration status code R: Registration pending. All codes
N16X Boeing
A75N1(PT17)
Fixed-wing, single engine Mid Continent Aircraft CORP
Hayti, Missouri
Restricted 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 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.