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

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
N8467V Rockwell International
S-2R
Fixed-wing, single engine Rotor and Wing LLC
Tioga, North Dakota
Restricted 2012-03-13 ValidFAA registration status code V: Valid registration. All codes
N8218E North American
SNJ-5
Fixed-wing, single engine Individual owner
Connecticut
Standard 2012-02-27 ValidFAA registration status code V: Valid registration. All codes
N3097P Ayres Corporation
S2R-R1340
Fixed-wing, single engine Fountain Flying Service LLC
Moscow, Idaho
Restricted 2012-02-25 ValidFAA registration status code V: Valid registration. All codes
N6423D North American
SNJ-4
Fixed-wing, single engine Tennessee Flying Machines LLC
Nashville, Tennessee
Standard 2012-02-24 ValidFAA registration status code V: Valid registration. All codes
N4224X Rockwell International
S-2R
Fixed-wing, single engine Air Dakota Flite INC
Hettinger, North Dakota
Restricted 2012-02-15 ValidFAA registration status code V: Valid registration. All codes
N1664S Snow
600-S2C
Fixed-wing, single engine Individual owner
North Dakota
Experimental 2012-02-03 ValidFAA registration status code V: Valid registration. All codes
N5049X Ayres Corporation
S-2R
Fixed-wing, single engine Mid-Cal AG Aviation INC
Kerman, California
Restricted 2012-01-30 ValidFAA registration status code V: Valid registration. All codes
N3003N Ayres Corporation
S-2R
Fixed-wing, single engine Individual owner
Georgia
Restricted 2012-01-23 ValidFAA registration status code V: Valid registration. All codes
N7176 North American
HARVARD II A
Fixed-wing, single engine T-6 Aviation LLC
Mckinney, Texas
Standard 2012-01-06 ValidFAA registration status code V: Valid registration. All codes
N11SH North American
SNJ-5
Fixed-wing, single engine Individual owner
Georgia
Standard 2011-12-02 ValidFAA registration status code V: Valid registration. All codes
N6617X North American
AT-6
Fixed-wing, single engine Individual owner
Alabama
Experimental 2011-11-28 ValidFAA registration status code V: Valid registration. All codes
N27SK Grumman
G-164A
Fixed-wing, single engine Co-owned owner
Missouri
Restricted 2011-11-14 ValidFAA registration status code V: Valid registration. All codes
N601JF North American
AT-6C
Fixed-wing, single engine At-6C LLC
Wilmington, Delaware
Standard 2011-11-10 ValidFAA registration status code V: Valid registration. All codes
N7062C North American
SNJ-4
Fixed-wing, single engine Japanese Bomber LLC
Atlanta, Georgia
Experimental 2011-11-08 ValidFAA registration status code V: Valid registration. All codes
N111VA Sikorsky
S-55
Rotorcraft Individual owner
Florida
Standard 2011-11-07 ValidFAA registration status code V: Valid registration. All codes
N65014 Boeing
A75
Fixed-wing, single engine Individual owner
Delaware
Restricted 2011-10-14 ValidFAA registration status code V: Valid registration. All codes
N951WM North American
HARVARD II A
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2011-10-06 ValidFAA registration status code V: Valid registration. All codes
N36542 Air Tractor Inc
AT-301
Fixed-wing, single engine Harris Spraying INC
Circle, Montana
Restricted 2011-09-06 ValidFAA registration status code V: Valid registration. All codes
N5188V North American
T-6G
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2011-09-01 ValidFAA registration status code V: Valid registration. All codes
N510TQ Skylanes Unlimited Inc
NA 50
Fixed-wing, single engine Hammer Aviation IV LLC
Miami, Florida
Experimental 2011-08-31 ValidFAA registration status code V: Valid registration. All codes
N6593D North American
T-6G
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2011-08-29 ValidFAA registration status code V: Valid registration. All codes
N765KA Dehavilland
DHC-3
Fixed-wing, single engine Kenmore Air Harbor LLC
Kenmore, Washington
Standard 2011-08-08 ValidFAA registration status code V: Valid registration. All codes
N7413C North American
AT-6C
Fixed-wing, single engine Individual owner
California
Standard 2011-07-27 ValidFAA registration status code V: Valid registration. All codes
N796WM North American
AT-6D
Fixed-wing, single engine Lizard Two LLC
Wilmington, Delaware
Standard 2011-07-14 ValidFAA registration status code V: Valid registration. All codes
N8247K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Slikker Flying Service INC
Buttonwillow, California
Restricted 2011-06-30 ValidFAA registration status code V: Valid registration. All codes
N5686X Ayres Corporation
S-2R
Fixed-wing, single engine Individual owner
Maryland
Restricted 2011-06-18 ValidFAA registration status code V: Valid registration. All codes
N7613C North American
T-6G
Fixed-wing, single engine Individual owner
California
Standard 2011-06-02 ValidFAA registration status code V: Valid registration. All codes
N61762 Air Tractor Inc
AT-401B
Fixed-wing, single engine Chisenhall Agricultural Service INC
Foley, Alabama
Restricted 2011-05-26 ValidFAA registration status code V: Valid registration. All codes
N636MG North American
HARVARD MK IV
Fixed-wing, single engine Airport Farms Aviation LLC
Tarkio, Missouri
Experimental 2011-05-24 ValidFAA registration status code V: Valid registration. All codes
N4852X Rockwell International
S-2R
Fixed-wing, single engine Farm & Ranch Aerial Service INC
Wharton, Texas
Restricted 2011-05-13 ValidFAA registration status code V: Valid registration. All codes
N75025 Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Vincent Flying Service INC
Kaplan, Louisiana
Restricted 2011-05-03 ValidFAA registration status code V: Valid registration. All codes
N6714K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Thompson Aero INC
Amana, Iowa
Restricted 2011-05-02 ValidFAA registration status code V: Valid registration. All codes
N6438D North American
SNJ-5C
Fixed-wing, single engine Individual owner
California
Experimental 2011-04-20 ValidFAA registration status code V: Valid registration. All codes
N401CW Air Tractor Inc
AT-401
Fixed-wing, single engine Dakotawild Aviation INC
Westhope, North Dakota
Restricted 2011-04-15 ValidFAA registration status code V: Valid registration. All codes
N45228 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Co-owned owner
California
Restricted 2011-04-15 ValidFAA registration status code V: Valid registration. All codes
N6860K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Western Cooperative CO
Alliance, Nebraska
Restricted 2011-03-30 ValidFAA registration status code V: Valid registration. All codes
N6761Q Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Hershey Flying Service INC
David City, Nebraska
Restricted 2011-03-21 ValidFAA registration status code V: Valid registration. All codes
N3173L North American
AT-6
Fixed-wing, single engine Individual owner
Washington
Standard 2011-03-18 ValidFAA registration status code V: Valid registration. All codes
N68JS North American
AT-6F
Fixed-wing, single engine Individual owner
Missouri
Standard 2011-03-16 ValidFAA registration status code V: Valid registration. All codes
N5344 Grumman
G-164A
Fixed-wing, single engine Individual owner
Colorado
Restricted 2011-02-15 ValidFAA registration status code V: Valid registration. All codes
N269CB North American
SNJ-6
Fixed-wing, single engine Individual owner
Texas
Standard 2011-02-07 ValidFAA registration status code V: Valid registration. All codes
N651SH North American Medore
T-6D
Fixed-wing, single engine Flying Texans and Mustangs Unlimited LLC
Friendswood, Texas
Standard 2011-01-26 ValidFAA registration status code V: Valid registration. All codes
N6693K Grumman Acft Eng Cor-Schweizer
G-164C
Fixed-wing, single engine Jones Aviation
Biggs, California
Restricted 2010-12-30 ValidFAA registration status code V: Valid registration. All codes
N7308W Air Tractor Inc
AT-301
Fixed-wing, single engine Neal Aircraft INC
Slaton, Texas
Restricted 2010-12-14 ValidFAA registration status code V: Valid registration. All codes
N678ZB Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Individual owner
Pennsylvania
Experimental 2010-12-08 ValidFAA registration status code V: Valid registration. All codes
N6725K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Slikker Flying Service INC
Buttonwillow, California
Restricted 2010-11-30 ValidFAA registration status code V: Valid registration. All codes
N744CF North American
SNJ-5
Fixed-wing, single engine Fighter Flights LLC
Ashland, Virginia
Standard 2010-11-23 ValidFAA registration status code V: Valid registration. All codes
N7973C North American
SNJ-5
Fixed-wing, single engine Individual owner
California
Standard 2010-11-22 ValidFAA registration status code V: Valid registration. All codes
N6010U Air Tractor Inc
AT-401B
Fixed-wing, single engine Individual owner
Oklahoma
Restricted 2010-11-15 ValidFAA registration status code V: Valid registration. All codes
N5646X Aero Commander
S2R
Fixed-wing, single engine Fountain INC
Moscow, Idaho
Restricted 2010-11-08 ValidFAA registration status code V: Valid registration. All codes
N747JE North American
AT-6G
Fixed-wing, single engine Tuskegee Airmen National Historical Museum INC
Detroit, Michigan
Standard 2010-10-07 ValidFAA registration status code V: Valid registration. All codes
N9067Z North American
T-6G
Fixed-wing, single engine Killa Katchka INC
West Bloomfield, Michigan
Standard 2010-09-13 ValidFAA registration status code V: Valid registration. All codes
N420RK North American
AT-6D
Fixed-wing, single engine Individual owner
Texas
Standard 2010-08-26 ValidFAA registration status code V: Valid registration. All codes
N3084X Ayres Corporation
S2R-R1340
Fixed-wing, single engine Plane LLC
Grove, Oklahoma
Restricted 2010-08-23 ValidFAA registration status code V: Valid registration. All codes
N420QN Noorduyn
NORSEMAN MK VI
Fixed-wing, single engine Co-owned owner
California
Standard 2010-08-18 ValidFAA registration status code V: Valid registration. All codes
N4440S Air Tractor Inc
AT-301
Fixed-wing, single engine Aeschliman Arlie W
Tribune, Kansas
Restricted 2010-08-16 ValidFAA registration status code V: Valid registration. All codes
N9185X Air Tractor Inc
AT-401
Fixed-wing, single engine Wilbur-Ellis CO
Salinas, California
Restricted 2010-06-24 ValidFAA registration status code V: Valid registration. All codes
N344PA Ayres Corporation
S-2R
Fixed-wing, single engine Individual owner
Alabama
Restricted 2010-06-09 ValidFAA registration status code V: Valid registration. All codes
N7752C Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Penning Steven
Windsor, California
Restricted 2010-06-04 ValidFAA registration status code V: Valid registration. All codes
N98RJ North American
SNJ-5C
Fixed-wing, single engine Wag Air LLC
Richmond, Virginia
Standard 2010-06-02 ValidFAA registration status code V: Valid registration. All codes
N7057 North American
AT-6G
Fixed-wing, single engine Individual owner
Michigan
Standard 2010-05-26 ValidFAA registration status code V: Valid registration. All codes
N45144 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Hutton William D
Molena, Georgia
Restricted 2010-05-21 ValidFAA registration status code V: Valid registration. All codes
N717UP North American
T-6G
Fixed-wing, single engine Individual owner
California
Standard 2010-05-21 ValidFAA registration status code V: Valid registration. All codes
N5590X Aero Commander
S2R
Fixed-wing, single engine Hawke Aviation INC
Oakdale, California
Restricted 2010-04-22 ValidFAA registration status code V: Valid registration. All codes
N3629J Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Vincent Flying Service INC
Kaplan, Louisiana
Restricted 2010-04-21 ValidFAA registration status code V: Valid registration. All codes
N8151K Gulfstream-Schweizer A/C Corp
GULFSTREAM AM G-164B
Fixed-wing, single engine Turbines INC
Terre Haute, Indiana
Restricted 2010-04-09 ValidFAA registration status code V: Valid registration. All codes
N1662S Aero Commander
S2R
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2010-04-05 ValidFAA registration status code V: Valid registration. All codes
N504RG Aero Commander
S2R
Fixed-wing, single engine Gustin Aviation
Lewiston, Idaho
Restricted 2010-03-25 ValidFAA registration status code V: Valid registration. All codes
N913D North American
SNJ-5
Fixed-wing, single engine Individual owner
Mississippi
Standard 2010-02-09 ValidFAA registration status code V: Valid registration. All codes
N21BA North American
SNJ-6
Fixed-wing, single engine Snj Adventures LLC
Wilmington, Delaware
Standard 2010-01-08 ValidFAA registration status code V: Valid registration. All codes
N729AM North American
T-6G
Fixed-wing, single engine Individual owner
Texas
Standard 2010-01-08 ValidFAA registration status code V: Valid registration. All codes
N5081W Air Tractor Inc
AT-401B
Fixed-wing, single engine Barts Flying Service INC
Storm Lake, Iowa
Restricted 2009-12-16 ValidFAA registration status code V: Valid registration. All codes
N604 North American
SNJ-6
Fixed-wing, single engine Moonshadow Aviation INC
Wilmington, Delaware
Standard 2009-09-30 ValidFAA registration status code V: Valid registration. All codes
N8988Q Aero Commander
S2R
Fixed-wing, single engine Hawke AG Aviation INC
Oakdale, California
Restricted 2009-09-09 ValidFAA registration status code V: Valid registration. All codes
N3165A Air Tractor Inc
AT-301
Fixed-wing, single engine Schnoor AG & Air LLC
Cambridge, Maryland
Experimental 2009-09-08 ValidFAA registration status code V: Valid registration. All codes
N6683K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Hoppe Airspray LLC
Conrad, Iowa
Restricted 2009-08-26 ValidFAA registration status code V: Valid registration. All codes
N16730 North American
AT-6C
Fixed-wing, single engine Condor Squadron Officers & Airmens Assoc INC
Van Nuys, California
Standard 2009-08-17 ValidFAA registration status code V: Valid registration. All codes
N9525C North American
AT-6C
Fixed-wing, single engine Condor Squadron Officers & Airmens Assoc INC
Van Nuys, California
Standard 2009-08-17 ValidFAA registration status code V: Valid registration. All codes
N9794 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine
Restricted 2009-07-23 ValidFAA registration status code V: Valid registration. All codes
N408AC Air Tractor Inc
AT-401
Fixed-wing, single engine Over & Under Flying Service INC
Winamac, Indiana
Restricted 2009-07-09 ValidFAA registration status code V: Valid registration. All codes
N7968C North American
SNJ-5
Fixed-wing, single engine Stella Air INC
Wyoming, Pennsylvania
Standard 2009-06-17 ValidFAA registration status code V: Valid registration. All codes
N23810 Air Tractor Inc
AT-301
Fixed-wing, single engine Individual owner
South Dakota
Restricted 2009-06-10 ValidFAA registration status code V: Valid registration. All codes
N4928X Rockwell International
S-2R
Fixed-wing, single engine Fountain Flying Service LLC
Moscow, Idaho
Restricted 2009-04-20 ValidFAA registration status code V: Valid registration. All codes
N8063K Gulfstream-Schweizer A/C Corp
GULFSTREAM AM G-164B
Fixed-wing, single engine Ce-Air INC
Argyle, Iowa
Restricted 2009-04-13 ValidFAA registration status code V: Valid registration. All codes
N80083 Ag-Cat Corporation
G-164B
Fixed-wing, single engine Macys Flying Service INC
Tulelake, California
Restricted 2009-03-20 ValidFAA registration status code V: Valid registration. All codes
N7572 North American
AT-6D
Fixed-wing, single engine Individual owner
Tennessee
Standard 2009-02-06 ValidFAA registration status code V: Valid registration. All codes
N29947 North American
AT-6D
Fixed-wing, single engine Cavanaugh Flight Museum
Denison, Texas
Standard 2009-01-29 ValidFAA registration status code V: Valid registration. All codes
N9926 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
California
Restricted 2009-01-23 ValidFAA registration status code V: Valid registration. All codes
N60117 Air Tractor Inc
AT-401B
Fixed-wing, single engine 1 Lowflyer INC
Harrisonville, Missouri
Restricted 2008-12-04 ValidFAA registration status code V: Valid registration. All codes
N4757 Grumman
G-164A
Fixed-wing, single engine Double D Flying Service INC
Leesburg, Georgia
Restricted 2008-10-29 ValidFAA registration status code V: Valid registration. All codes
N5589X Ayres Corporation
S-2R
Fixed-wing, single engine Co-owned owner
Kansas
Restricted 2008-09-11 ValidFAA registration status code V: Valid registration. All codes
N1038A North American
SNJ-5
Fixed-wing, single engine Individual owner
California
Standard 2008-09-10 ValidFAA registration status code V: Valid registration. All codes
N36913 North American
T-6G
Fixed-wing, single engine Pamela Marie LLC
Arlington, Virginia
Standard 2008-09-09 ValidFAA registration status code V: Valid registration. All codes
N3660T Air Tractor Inc
AT-301
Fixed-wing, single engine North Texas Dusters & Sprayers INC.
Gainesville, Texas
Restricted 2008-09-03 ValidFAA registration status code V: Valid registration. All codes
N101VT North American
AT-6C
Fixed-wing, single engine Aas LLC
Ovid, Michigan
Standard 2008-08-28 ValidFAA registration status code V: Valid registration. All codes
N45000 North American
AT-6
Fixed-wing, single engine Aas LLC
Ovid, Michigan
Standard 2008-08-28 ValidFAA registration status code V: Valid registration. All codes
N2864G North American
SNJ-6
Fixed-wing, single engine Individual owner
California
Standard 2008-08-18 ValidFAA registration status code V: Valid registration. All codes
N392V Zenith
Z6A
Fixed-wing, single engine Co-owned owner
Missouri
Experimental 2008-08-11 ValidFAA registration status code V: Valid registration. All codes
N6436D North American
SNJ-5
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2008-07-23 ValidFAA registration status code V: Valid registration. All codes
N57NA North American
AT-6G
Fixed-wing, single engine Warbird Preservation Foundation
Bettendorf, Iowa
Standard 2008-07-18 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.