# Pratt & Whitney R1340 series

- Type: Engine model (FAA registry)
- Registry code: 52016
- Manufacturer (registry): P&W
- Model: R1340 SERIES
- Engine type: Reciprocating
- Power: 600 hp
- Installed in: 1,229 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-r1340-series

The registry names only the engine series, so ADs for every model in the series are matched.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (1,229, first 50)

- [N1004B](https://openairdocs.org/aircraft/N1004B): [James R Cartillar III](https://openairdocs.org/faa-owner/JAMES%20R%20CARTILLAR%20III), [Hickory Ridge, AR](https://openairdocs.org/faa-place/AR/Hickory%20Ridge), S/N 501-0022
- [N1005N](https://openairdocs.org/aircraft/N1005N): [Madsen Travis E](https://openairdocs.org/faa-owner/MADSEN%20TRAVIS%20E), [New Underwood, SD](https://openairdocs.org/faa-place/SD/New%20Underwood), built 1988, S/N 401-0692
- [N1008Q](https://openairdocs.org/aircraft/N1008Q): [Tall Towers Aviation Inc](https://openairdocs.org/faa-owner/TALL%20TOWERS%20AVIATION%20INC), [Page, ND](https://openairdocs.org/faa-place/ND/Page), built 1988, S/N 401-0702
- [N100BW](https://openairdocs.org/aircraft/N100BW): [Talkeetna Air Taxi Inc](https://openairdocs.org/faa-owner/TALKEETNA%20AIR%20TAXI%20INC), [Talkeetna, AK](https://openairdocs.org/faa-place/AK/Talkeetna), built 1954, S/N 58
- [N100XK](https://openairdocs.org/aircraft/N100XK): [Corsair N13377a LLC](https://openairdocs.org/faa-owner/CORSAIR%20N13377A%20LLC), [Beaverton, OR](https://openairdocs.org/faa-place/OR/Beaverton), S/N 49-3326A
- [N1010L](https://openairdocs.org/aircraft/N1010L): [Devil Dusters Inc](https://openairdocs.org/faa-owner/DEVIL%20DUSTERS%20INC), [Artesia, NM](https://openairdocs.org/faa-place/NM/Artesia), built 1989, S/N 401-0708
- [N1012T](https://openairdocs.org/aircraft/N1012T): [Johnson Airspray Inc](https://openairdocs.org/faa-owner/JOHNSON%20AIRSPRAY%20INC), [Argyle, MN](https://openairdocs.org/faa-place/MN/Argyle), S/N 401-0719
- [N1013F](https://openairdocs.org/aircraft/N1013F): [Corpora Aerial Service Inc](https://openairdocs.org/faa-owner/CORPORA%20AERIAL%20SERVICE%20INC), [Hearne, TX](https://openairdocs.org/faa-place/TX/Hearne), built 1989, S/N 401-0721
- [N1013S](https://openairdocs.org/aircraft/N1013S): [Tr Flying Service LLC](https://openairdocs.org/faa-owner/TR%20FLYING%20SERVICE%20LLC), [Milan, MN](https://openairdocs.org/faa-place/MN/Milan), built 1989, S/N 401-0724
- [N1014N](https://openairdocs.org/aircraft/N1014N): [Frontier Agricultural Service Inc](https://openairdocs.org/faa-owner/FRONTIER%20AGRICULTURAL%20SERVICE%20INC), [Calexico, CA](https://openairdocs.org/faa-place/CA/Calexico), built 1989, S/N 401-0729
- [N1015A](https://openairdocs.org/aircraft/N1015A): [Frontier Agricultural Service Inc](https://openairdocs.org/faa-owner/FRONTIER%20AGRICULTURAL%20SERVICE%20INC), [Calexico, CA](https://openairdocs.org/faa-place/CA/Calexico), S/N 401-0735
- [N1015L](https://openairdocs.org/aircraft/N1015L): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1989, S/N 401-0730
- [N1018B](https://openairdocs.org/aircraft/N1018B): [Summit Leasing LLC](https://openairdocs.org/faa-owner/SUMMIT%20LEASING%20LLC), [Kenai, AK](https://openairdocs.org/faa-place/AK/Kenai), built 1960, S/N 392
- [N101BW](https://openairdocs.org/aircraft/N101BW): [Edmonds Louis R W](https://openairdocs.org/faa-owner/EDMONDS%20LOUIS%20R%20W), [Georges Mills, NH](https://openairdocs.org/faa-place/NH/Georges%20Mills), S/N 121-42854
- [N101FT](https://openairdocs.org/aircraft/N101FT): [Telling Jennifer W](https://openairdocs.org/faa-owner/TELLING%20JENNIFER%20W), [Port Orange, FL](https://openairdocs.org/faa-place/FL/Port%20Orange), built 1949, S/N 49-3380
- [N101NZ](https://openairdocs.org/aircraft/N101NZ): [Swift Stephen](https://openairdocs.org/faa-owner/SWIFT%20STEPHEN), [Justin, TX](https://openairdocs.org/faa-place/TX/Justin), built 1944, S/N 41-34050
- [N101RF](https://openairdocs.org/aircraft/N101RF): [American Airpower Heritage Flying Museum](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLYING%20MUSEUM), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1942, S/N 90649
- [N101VT](https://openairdocs.org/aircraft/N101VT): [Aas LLC](https://openairdocs.org/faa-owner/AAS%20LLC), [Ovid, MI](https://openairdocs.org/faa-place/MI/Ovid), built 1958, S/N 88-13384
- [N101X](https://openairdocs.org/aircraft/N101X): [American Airpower Heritage Fly Museu](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLY%20MUSEU), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), S/N 88-9450
- [N10298](https://openairdocs.org/aircraft/N10298): [Coen Aerial Spraying LLC](https://openairdocs.org/faa-owner/COEN%20AERIAL%20SPRAYING%20LLC), [Wiley, CO](https://openairdocs.org/faa-place/CO/Wiley), built 1962, S/N 98
- [N1037Z](https://openairdocs.org/aircraft/N1037Z): [Elliott David P](https://openairdocs.org/faa-owner/ELLIOTT%20DAVID%20P), [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder), built 1945, S/N N-29-5
- [N1038A](https://openairdocs.org/aircraft/N1038A): [Collver John A](https://openairdocs.org/faa-owner/COLLVER%20JOHN%20A), [Lomita, CA](https://openairdocs.org/faa-place/CA/Lomita), built 1944, S/N 90917
- [N1043C](https://openairdocs.org/aircraft/N1043C): [Tigers Aviation LLC](https://openairdocs.org/faa-owner/TIGERS%20AVIATION%20LLC), [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla), built 1938, S/N 8815726
- [N1046Y](https://openairdocs.org/aircraft/N1046Y): [Beaver Creek Adventures LLC](https://openairdocs.org/faa-owner/BEAVER%20CREEK%20ADVENTURES%20LLC), [Bangor, ME](https://openairdocs.org/faa-place/ME/Bangor), built 1952, S/N CCF-4-211
- [N1047C](https://openairdocs.org/aircraft/N1047C): [Historic Aeroplane Works Inc](https://openairdocs.org/faa-owner/HISTORIC%20AEROPLANE%20WORKS%20INC), [Huntington, IN](https://openairdocs.org/faa-place/IN/Huntington), built 1960, S/N 85063
- [N104BM](https://openairdocs.org/aircraft/N104BM): [Porter Jeanne G](https://openairdocs.org/faa-owner/PORTER%20JEANNE%20G), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1956, S/N 118
- [N104DC](https://openairdocs.org/aircraft/N104DC): [Budde-Jones Kathryn M](https://openairdocs.org/faa-owner/BUDDE-JONES%20KATHRYN%20M), [Celebration, FL](https://openairdocs.org/faa-place/FL/Celebration), built 1949, S/N 49-3392
- [N10528](https://openairdocs.org/aircraft/N10528): [Harker James P](https://openairdocs.org/faa-owner/HARKER%20JAMES%20P), [Blaine, MN](https://openairdocs.org/faa-place/MN/Blaine), built 1935, S/N 809
- [N1054M](https://openairdocs.org/aircraft/N1054M): [Yaggie Allen R](https://openairdocs.org/faa-owner/YAGGIE%20ALLEN%20R), [Wahpeton, ND](https://openairdocs.org/faa-place/ND/Wahpeton), built 1950, S/N 49-3044
- [N10597](https://openairdocs.org/aircraft/N10597): [Sanders Racing Inc](https://openairdocs.org/faa-owner/SANDERS%20RACING%20INC), [Jasper, AL](https://openairdocs.org/faa-place/AL/Jasper), built 1957, S/N 88-13364
- [N105W](https://openairdocs.org/aircraft/N105W): [Weeks Kermit A](https://openairdocs.org/faa-owner/WEEKS%20KERMIT%20A), [Polk City, FL](https://openairdocs.org/faa-place/FL/Polk%20City), built 1929, S/N 72
- [N10602](https://openairdocs.org/aircraft/N10602): [Hatfield Aviation LLC](https://openairdocs.org/faa-owner/HATFIELD%20AVIATION%20LLC), [Fort Wayne, IN](https://openairdocs.org/faa-place/IN/Fort%20Wayne), built 1944, S/N 121-41870
- [N107FG](https://openairdocs.org/aircraft/N107FG): [Twin Lakes Aviation LLC](https://openairdocs.org/faa-owner/TWIN%20LAKES%20AVIATION%20LLC), [Edmond, OK](https://openairdocs.org/faa-place/OK/Edmond), built 1944, S/N 44-80858
- [N10908](https://openairdocs.org/aircraft/N10908): [Carlsbad Raceway Corp](https://openairdocs.org/faa-owner/CARLSBAD%20RACEWAY%20CORP), [Hemet, CA](https://openairdocs.org/faa-place/CA/Hemet), built 1952, S/N CCF4-42
- [N11171](https://openairdocs.org/aircraft/N11171): [American Airpower Heritage Fly Musm](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLY%20MUSM), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1942, S/N 84-7800
- [N111VA](https://openairdocs.org/aircraft/N111VA): [Weeks Kermit A](https://openairdocs.org/faa-owner/WEEKS%20KERMIT%20A), [Polk City, FL](https://openairdocs.org/faa-place/FL/Polk%20City), built 1953, S/N 55433
- [N113BT](https://openairdocs.org/aircraft/N113BT): [American Airpower Heritage Flying Museum](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLYING%20MUSEUM), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), S/N 1624
- [N116SE](https://openairdocs.org/aircraft/N116SE): [Eberhardt Marilyn Trustee](https://openairdocs.org/faa-owner/EBERHARDT%20MARILYN%20TRUSTEE), [Danville, CA](https://openairdocs.org/faa-place/CA/Danville), built 1959, S/N 49-3302
- [N118JD](https://openairdocs.org/aircraft/N118JD): [Jacobson Luke W](https://openairdocs.org/faa-owner/JACOBSON%20LUKE%20W), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), S/N 863
- [N119DP](https://openairdocs.org/aircraft/N119DP): [Warbird Adventures LLC](https://openairdocs.org/faa-owner/WARBIRD%20ADVENTURES%20LLC), [Casa Grande, AZ](https://openairdocs.org/faa-place/AZ/Casa%20Grande), built 1942, S/N 88-10185
- [N11HP](https://openairdocs.org/aircraft/N11HP): [Whiskey Bend Aerospace LLC](https://openairdocs.org/faa-owner/WHISKEY%20BEND%20AEROSPACE%20LLC), [Port Angeles, WA](https://openairdocs.org/faa-place/WA/Port%20Angeles), built 1943, S/N 90735
- [N11SH](https://openairdocs.org/aircraft/N11SH): [Starnes Robert D](https://openairdocs.org/faa-owner/STARNES%20ROBERT%20D), [Lavonia, GA](https://openairdocs.org/faa-place/GA/Lavonia), built 1947, S/N 84851
- [N1206S](https://openairdocs.org/aircraft/N1206S): [Gustin Aviation Inc](https://openairdocs.org/faa-owner/GUSTIN%20AVIATION%20INC), [Lewiston, ID](https://openairdocs.org/faa-place/ID/Lewiston), built 1978, S/N 2470R
- [N121DV](https://openairdocs.org/aircraft/N121DV): [Lauff Samuel Jr](https://openairdocs.org/faa-owner/LAUFF%20SAMUEL%20JR), [Ocala, FL](https://openairdocs.org/faa-place/FL/Ocala), built 1957, S/N 21
- [N121R](https://openairdocs.org/aircraft/N121R): [Herzog Contracting Corp](https://openairdocs.org/faa-owner/HERZOG%20CONTRACTING%20CORP), [St Joseph, MO](https://openairdocs.org/faa-place/MO/St%20Joseph), built 1943, S/N 75-5510
- [N1254](https://openairdocs.org/aircraft/N1254): [Maney John J](https://openairdocs.org/faa-owner/MANEY%20JOHN%20J), [Fullerton, CA](https://openairdocs.org/faa-place/CA/Fullerton), built 1952, S/N 20439
- [N125KD](https://openairdocs.org/aircraft/N125KD): [Jb Leasing Co LLC](https://openairdocs.org/faa-owner/JB%20LEASING%20CO%20LLC), [Kenai, AK](https://openairdocs.org/faa-place/AK/Kenai), built 1962, S/N 436
- [N127VF](https://openairdocs.org/aircraft/N127VF): [Woelbing Aviation LLC](https://openairdocs.org/faa-owner/WOELBING%20AVIATION%20LLC), [Franksville, WI](https://openairdocs.org/faa-place/WI/Franksville), built 1943, S/N 88-12827
- [N1284](https://openairdocs.org/aircraft/N1284): [Nelson Aero Service LLC](https://openairdocs.org/faa-owner/NELSON%20AERO%20SERVICE%20LLC), [Aurora, CO](https://openairdocs.org/faa-place/CO/Aurora), built 1950, S/N 12463
- [N128WK](https://openairdocs.org/aircraft/N128WK): [Colombo Aviation Group LLC](https://openairdocs.org/faa-owner/COLOMBO%20AVIATION%20GROUP%20LLC), [Howell, MI](https://openairdocs.org/faa-place/MI/Howell), built 1952, S/N 49-2998

All 1,229: https://openairdocs.org/engine/pratt-whitney-r1340-series/aircraft.md

## NTSB investigations (1,662, newest 50)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA26LA334](https://openairdocs.org/ntsb/ERA26LA334), Sep 9, 2026: North American Harvard III (N407EZ), Sanatoga, PA, substantial damage. Probable cause: The pilot’s failure to maintain control of the airplane while landing in a crosswind.
- [NTSB WPR26LA312](https://openairdocs.org/ntsb/WPR26LA312), Aug 20, 2026: Schweizer G-164B (N7501Q), Olene, OR, destroyed, investigation ongoing
- [NTSB ANC26LA067](https://openairdocs.org/ntsb/ANC26LA067), Jul 3, 2026: Dehavilland DHC-3 (N424KT), Denali National Park, AK, substantial damage, investigation ongoing
- [NTSB ERA26LA232](https://openairdocs.org/ntsb/ERA26LA232), Jun 6, 2026: North American SNJ-5C (N98RJ), Midland, VA, substantial damage, investigation ongoing
- [NTSB ERA25LA371](https://openairdocs.org/ntsb/ERA25LA371), Sep 28, 2025: North American T-6G (N888WV), Rossville, TN, substantial damage. Probable cause: The pilot’s failure to adequately monitor the airplane’s path during takeoff toward the setting sun. Contributing was the undetected worn and fractured tailwheel locking pin.
- [NTSB CEN25FA388](https://openairdocs.org/ntsb/CEN25FA388), Sep 20, 2025: North American T-6G (N32SZ), Louise, TX, substantial damage, 2 fatal, investigation ongoing
- [NTSB ERA25LA342](https://openairdocs.org/ntsb/ERA25LA342), Sep 9, 2025: Schweizer G-164B (N8483K), Dover, DE, substantial damage. Probable cause: The pilot’s exceedance of the critical angle of attack which resulted in an aerodynamic stall at an altitude too low to recover.
- [NTSB CEN25LA323](https://openairdocs.org/ntsb/CEN25LA323), Aug 15, 2025: Grumman American Avn. G-164B (N7015N), Fowler, IN, substantial damage, investigation ongoing
- [NTSB CEN25LA306](https://openairdocs.org/ntsb/CEN25LA306), Aug 7, 2025: Air Tractor AT-301 (N23069), Davenport, ND, substantial damage, investigation ongoing
- [NTSB CEN25LA283](https://openairdocs.org/ntsb/CEN25LA283), Jul 23, 2025: Air Tractor AT-301 (N2371V), Hartsburg, IL, substantial damage. Probable cause: The pilot’s failure to maintain control of the airplane during takeoff with a tailwind from a wet turf airstrip.
- [NTSB CEN25LA254](https://openairdocs.org/ntsb/CEN25LA254), Jul 15, 2025: Schweizer G-164B (N7501A), Russellville, IN, substantial damage. Probable cause: The pilot’s failure to establish and maintain the airstrip centerline during takeoff, which resulted in the airplane’s right wingtips contacting the corn that bordered the airstrip.
- [NTSB CEN25LA191](https://openairdocs.org/ntsb/CEN25LA191), Jun 2, 2025: Air Tractor AT-401 (N60057), Hamlet, NE, substantial damage. Probable cause: The pilot's failure to maintain clearance from the power lines during low altitude maneuvering.
- [NTSB WPR25LA158](https://openairdocs.org/ntsb/WPR25LA158), May 9, 2025: Schweizer G-164B (N7503L), Butte City, CA, substantial damage. Probable cause: The pilot’s use of engine beta prior to ensuring the tailwheel was on the ground during landing roll.
- [NTSB CEN24LA364](https://openairdocs.org/ntsb/CEN24LA364), Sep 21, 2024: Grumman G-164A (N6565), LaPlace, LA, substantial damage. Probable cause: Total loss of engine power during the agricultural application flight for reasons that could not be determined.
- [NTSB WPR24LA282](https://openairdocs.org/ntsb/WPR24LA282), Aug 13, 2024: Grumman Acft ENG Cor-Schweizer G-164B (N6633K), Durham, CA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from powerlines, which resulted in a wire strike.
- [NTSB CEN24LA313](https://openairdocs.org/ntsb/CEN24LA313), Aug 9, 2024: Grumman G164 (N6569), Dyess, AR, substantial damage. Probable cause: The improper overhaul of the carburetor and the malfunction of left magneto which resulted in a partial loss of engine power.
- [NTSB WPR24LA253](https://openairdocs.org/ntsb/WPR24LA253), Jul 25, 2024: Canadian Car & Foundry Harvard MK IV (N52494), Oshkosh, WI, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB ERA24LA286](https://openairdocs.org/ntsb/ERA24LA286), Jun 29, 2024: Grumman G-164A (N7849), Toccoa, GA, substantial damage. Probable cause: The pilot’s failure to set the engine speed control fully forward during takeoff, resulting in an engine surge and subsequent loss of control during landing.
- [NTSB CEN24LA241](https://openairdocs.org/ntsb/CEN24LA241), Jun 27, 2024: Air Tractor AT-301 (N3165C), Andover, MO, substantial damage. Probable cause: The pilot’s inability to maintain altitude and airspeed during cruise flight likely due to a decrease in engine performance associated with the unauthorized use of automobile fuel, which led to an…
- [NTSB WPR24LA214](https://openairdocs.org/ntsb/WPR24LA214), Jun 25, 2024: Grumman Acft ENG Cor-Schweizer G-164B (N6793K), Pleasant Grove, CA, substantial damage. Probable cause: The pilot’s delayed recognition of the extent of the airplane’s increased takeoff roll. Contributing to the accident was the pilot’s lack of experience operating the airplane at a high gross weight.
- [NTSB WPR24FA213](https://openairdocs.org/ntsb/WPR24FA213), Jun 25, 2024: Grumman Acft ENG Cor-Schweizer G-164A (N9709), Chamberino, NM, destroyed, 1 fatal. Probable cause: An aerodynamic stall and loss of control for reasons that could not be determined based on the available information.
- [NTSB CEN24LA229](https://openairdocs.org/ntsb/CEN24LA229), Jun 13, 2024: Aero Commander S2R (N1746S), White, SD, substantial damage. Probable cause: A low-level collision and engine ingestion with ducks, which resulted in a total loss of engine power, a forced landing, and a subsequent nose over.
- [NTSB WPR24LA167](https://openairdocs.org/ntsb/WPR24LA167), Jun 2, 2024: Canadian Car & Foundry Harvard MK IV (N7522U), Modesto, CA, substantial damage. Probable cause: The pilot’s improper fuel tank selection, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was a malfunctioning fuel selector at low fuel levels.
- [NTSB ANC24FA038](https://openairdocs.org/ntsb/ANC24FA038), May 28, 2024: Schweizer G-164B (N3629Y), Richvale, CA, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from a trailer located on the edge of the runway during takeoff. Contributing to the accident was the location of the trailer on the side of the runway.
- [NTSB CEN24LA146](https://openairdocs.org/ntsb/CEN24LA146), Apr 2, 2024: Schweizer G-164B (N75099), Kaplan, LA, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined.
- [NTSB CEN24LA029](https://openairdocs.org/ntsb/CEN24LA029), Oct 28, 2023: Ag-Cat G-164B (N910MG), Abbeville, LA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a power line during an aerial application flight.
- [NTSB WPR23FA345](https://openairdocs.org/ntsb/WPR23FA345), Sep 17, 2023: North American AT-6B (N57418), Reno, NV, substantial damage, 2 fatal. Probable cause: The failure of both the Race 14 and Race 6 pilots to see and avoid each other while in the airport traffic pattern. Contributing to the accident was both pilots’ failure to fly the standard downwind…
- [NTSB CEN23LA375](https://openairdocs.org/ntsb/CEN23LA375), Aug 21, 2023: Schweizer G-164B (N943QC), Rice, MN, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing roll with a left crosswind.
- [NTSB WPR23LA305](https://openairdocs.org/ntsb/WPR23LA305), Aug 6, 2023: Grumman Acft ENG Cor-Schweizer G-164A (N5450), Davis, CA, substantial damage, 1 fatal. Probable cause: An inflight loss of control during a low altitude operation for undetermined reasons.
- [NTSB CEN23LA347](https://openairdocs.org/ntsb/CEN23LA347), Aug 3, 2023: Air Tractor AT-401 (N6015W), Jamestown, ND, substantial damage. Probable cause: The pilot’s failure to maintain proper airspeed after liftoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall.
- [NTSB CEN23FA332](https://openairdocs.org/ntsb/CEN23FA332), Jul 29, 2023: North American AT-6D (N49961), Oshkosh, WI, destroyed, 2 fatal. Probable cause: The pilot’s failure to maintain airspeed while maneuvering, which resulted in the exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.
- [NTSB WPR23LA261](https://openairdocs.org/ntsb/WPR23LA261), Jul 8, 2023: North American AT-6G (N92761), La Grande, OR, substantial damage. Probable cause: The pilot's failure to maintain clearance from trees during an airstrip overfly, which resulted in impact damage to the left wing.
- [NTSB CEN23FA269](https://openairdocs.org/ntsb/CEN23FA269), Jun 27, 2023: Schweizer G-164B (N7503H), Beltrami, MN, substantial damage, 1 fatal. Probable cause: A collision with terrain and subsequent nose over for undetermined reasons.
- [NTSB CEN23LA241](https://openairdocs.org/ntsb/CEN23LA241), Jun 15, 2023: Air Tractor AT-401B (N6106U), Holyoke, CO, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll.
- [NTSB CEN23LA235](https://openairdocs.org/ntsb/CEN23LA235), Jun 9, 2023: North American T-6G (N16JV), Colorado Springs, CO, substantial damage. Probable cause: The pilot’s failure to maintain directional control during landing.
- [NTSB WPR23LA211](https://openairdocs.org/ntsb/WPR23LA211), Jun 3, 2023: Rockwell International S-2R (N4894X), Paul, ID, substantial damage. Probable cause: The pilot’s failure to maintain directional control on the takeoff roll, resulting in a runway excursion.
- [NTSB CEN23LA228](https://openairdocs.org/ntsb/CEN23LA228), May 31, 2023: Grumman Acft ENG Cor-Schweizer G-164 (N8405K), Saffell, AR, substantial damage. Probable cause: The airplane’s encounter with a dust devil after takeoff, which resulted in a loss of lift, and a subsequent loss of control. Contributing to the accident was the presence of a dust devil in the…
- [NTSB ERA23LA170](https://openairdocs.org/ntsb/ERA23LA170), Mar 29, 2023: North American T-6G (N791MH), Lakeland, FL, substantial damage. Probable cause: A loss of control on the ground as a result of left tailwheel steering cable separation.
- [NTSB WPR23FA122](https://openairdocs.org/ntsb/WPR23FA122), Mar 8, 2023: Rockwell International S-2R (N8424V), Willows, CA, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from powerlines while flying under multiple conductors during a low-altitude aerial application flight, which resulted in propeller contact with a powerline…
- [NTSB CEN23LA063](https://openairdocs.org/ntsb/CEN23LA063), Dec 6, 2022: Rockwell International S2R-G6 (N4205X), Mission, TX, substantial damage. Probable cause: The pilot's failure to maintain clearance from an electrical box.
- [NTSB WPR22LA293](https://openairdocs.org/ntsb/WPR22LA293), Aug 7, 2022: Air Tractor AT-301 (N36542), Circle, MT, substantial damage. Probable cause: The loss of engine power due to carburetor ice. Contributing to the accident was the pilot’s failure to use carburetor heat.
- [NTSB CEN22LA349](https://openairdocs.org/ntsb/CEN22LA349), Jul 26, 2022: Schweizer G-164B (N629EH), Knox, IN, substantial damage. Probable cause: A partial loss of engine power for undetermined reasons.
- [NTSB ERA22LA297](https://openairdocs.org/ntsb/ERA22LA297), Jul 2, 2022: Grumman G-164A (N8923H), Hopewell Township, NJ, substantial damage. Probable cause: A partial loss of engine power while maneuvering at low altitude due to a failure of the airplane’s supercharger.
- [NTSB ERA22LA224](https://openairdocs.org/ntsb/ERA22LA224), May 11, 2022: Air Tractor AT-301 (N31580), Somerville, TN, substantial damage. Probable cause: The inadequate inspection and maintenance of the engine exhaust system, which resulted in an in-flight fire.
- [NTSB CEN22LA193](https://openairdocs.org/ntsb/CEN22LA193), May 2, 2022: North American AT-6D (N515SA), Huntington, IN, substantial damage. Probable cause: Loss of directional control during landing that resulted in an impact with terrain.
- [NTSB ERA22LA214](https://openairdocs.org/ntsb/ERA22LA214), May 1, 2022: North American SNJ-6 (N451WA), Greenwood, SC, substantial damage. Probable cause: The loss of directional control due to a fractured tailwheel steering linkage assembly.
- [NTSB CEN22LA187](https://openairdocs.org/ntsb/CEN22LA187), Apr 30, 2022: North American AT-6D (N29947), Fredericksburg, TX, substantial damage. Probable cause: A total loss of engine power due to a failure of the No. 1 cylinder.
- [NTSB CEN22LA157](https://openairdocs.org/ntsb/CEN22LA157), Mar 26, 2022: Air Tractor AT-401 (N9192E), Rayville, LA, substantial damage. Probable cause: A loss of engine power for a reason that could not be determined based on available information.
- [NTSB CEN22LA101](https://openairdocs.org/ntsb/CEN22LA101), Jan 16, 2022: North American AT-6C (N16JG), San Antonio, TX, substantial damage. Probable cause: The pilot’s loss of directional control during landing.
- [NTSB WPR22FA026](https://openairdocs.org/ntsb/WPR22FA026), Nov 3, 2021: Ayres S-2R (N8960Q), Shafter, CA, substantial damage, 1 fatal. Probable cause: The pilot’s decision to depart into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of airplane control.

All 1,662: https://openairdocs.org/engine/pratt-whitney-r1340-series/ntsb.md

## FAA accident and incident reports (2,020, newest 50)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20260909012849A](https://openairdocs.org/incident/20260909012849A), Sep 9, 2026: North American HARVARD III (N407EZ), Pottstown, PA, Substantial damage. Pilot stated that he was on a stable final approach to runway 28 with full flaps, and that he was planning a wheel landing as landing was into the setting sun.…
- [Accident 20260820012529A](https://openairdocs.org/incident/20260820012529A), Aug 20, 2026: Schweizer Aircraft Corp G-164B (N7501Q), Olene, OR, Destroyed. On August 20, 2026, about 9:32 pacific daylight time, a Schweizer Aircraft Corp., G-164B, [privacy data omitted], was destroyed when it struck a communication…
- [Accident 20260606005989A](https://openairdocs.org/incident/20260606005989A), Jun 6, 2026: North American SNJ-5C (N98RJ), Midland, VA, Substantial damage. During practice formation flying, the engine experienced a catostrophic internal failure and stopped. The propeller shaft sheared and propeller departed to the…
- [Incident 20260406004559I](https://openairdocs.org/incident/20260406004559I), Apr 6, 2026: North American AT-6D (N796WM), Manassas, VA, Minor damage. Pilot was practicing steep angle of attack approaches for airshow presentations and flies specific patterns at the airport from departure to landing. The pilot…
- [Incident 20260129004339I](https://openairdocs.org/incident/20260129004339I), Jan 29, 2026: North American AT-6F (N6601C), Arcadia, FL, Minor damage. Aircraft right main landing gear collapsed after landing and short taxi off runway and into grass.
- [Incident 20251004016879I](https://openairdocs.org/incident/20251004016879I), Oct 4, 2025: North American AT-6D (N7300C), Tyler, TX, Minor damage. Pilot landed on runway 04 with a right crosswind from 110 at 11 knots, the underside of the left aft wingtip and left aft corner of the aileron were scraped.
- [Accident 20250928014649A](https://openairdocs.org/incident/20250928014649A), Sep 28, 2025: North American T-6G (N888WV), Oakland, TN, Substantial damage. ATC reported: Oakland, TN (7TN4):[privacy data omitted], T6, veered left off of runway 26 while on takeoff roll causing the aircraft to collide with trees and…
- [Accident 20250920014759A](https://openairdocs.org/incident/20250920014759A), Sep 20, 2025: North American T-6G (N32SZ), Louise, TX, Destroyed, 2 fatal. The accident aircraft was conducting a series of low approaches over a private airfield. After completing an initial low pass, the aircraft entered the traffic…
- [Accident 20250909014349A](https://openairdocs.org/incident/20250909014349A), Sep 9, 2025: Schweizer Aircraft Corp G-164B (N8483K), Dover, DE, Destroyed. The pilot was departing on an agricultural dispensing flight. Video of the departure along with the pilot's statement show the aircraft took off in a 3 point…
- [Accident 20250815010979A](https://openairdocs.org/incident/20250815010979A), Aug 15, 2025: Grumman American Avn. Corp. G-164B (N7015N), Goodland, IN, Substantial damage. On 08/15/2025 at approximately 17:00 local time, a single engine turbo-propeller Grumman G-164B, suffered a loss of engine power while performing aerial…
- [Accident 20250806010719A](https://openairdocs.org/incident/20250806010719A), Aug 6, 2025: Air Tractor Inc AT-301 (N23069), Davenport, ND, Substantial damage. Pilot departed base of operations at 1940 CDT to conduct aerial application. The PIC completed the application work and noted the left fuel gauge indicated…
- [Accident 20250723010069A](https://openairdocs.org/incident/20250723010069A), Jul 23, 2025: Air Tractor Inc AT-301 (N2371V), Hartsburg, IL, Substantial damage. On July 23, 2025 at approximately 0830 local central standard time, an AT-301 with Honeywell TPE331 conversion with 300 gal of funguside and 120 gallons of…
- [Accident 20250715008799A](https://openairdocs.org/incident/20250715008799A), Jul 15, 2025: Schweizer Aircraft Corp G-164B (N7501A), Russellville, IN, Substantial damage. On July 15, 2025, at approximately 17:00 local time, at the Durham Airport (II68) in Russellville, Indiana; a Schweizer G-164B single engine aircraft’s right…
- [Accident 20250602004849A](https://openairdocs.org/incident/20250602004849A), Jun 2, 2025: Air Tractor Inc AT-401 (N60057), Hamlet, NE, Substantial damage. While conducting agricultural operations, the aircraft stuck a set of transmision power lines. Three power lines damaged the prop, windshield frame, horizontal…
- [Incident 20250601008059I](https://openairdocs.org/incident/20250601008059I), Jun 1, 2025: North American AT-6D (N10602), Brandy Station, VA, Minor damage. Inspected aircraft. Found left wing center aileron bracket bent over and broke skin of the wing. Determined this event to be an accident awaiting NTSB call…
- [Accident 20250509017149A](https://openairdocs.org/incident/20250509017149A), May 9, 2025: Schweizer Aircraft Corp G-164B (N7503L), Butte City, CA, Substantial damage. The pilot reported at approximatley 0830 hrs on may 9, 2025, that while landing for a reload the approach seemed a little fast, and on touchdown rollout he…
- [Incident 20250302006569I](https://openairdocs.org/incident/20250302006569I), Mar 2, 2025: North American AT-6D (N373N), Knox, IN, Minor damage. On March 2nd, 2025, at approximately 1245 EST a North American AT-6D texan, [privacy data omitted] and piloted by a certificated air transport pilot (ATP),…
- [Accident 20240921013969A](https://openairdocs.org/incident/20240921013969A), Sep 21, 2024: Grumman G-164A (N6565), Laplace, LA, Substantial damage. Pilot had just made a pass spraying heading north. As the pilot was making a turn to setup and make a pass headed to the south, a pop was heard from the…
- [Accident 20240813017999A](https://openairdocs.org/incident/20240813017999A), Aug 13, 2024: Grumman Acft Eng Cor-Schweizer G-164B (N6633K), Durham, CA, Substantial damage. The pilot reported that while maneuvering under a power line he started to bank the aircraft before he was clear of the line which seperated most of the…
- [Accident 20240809013879A](https://openairdocs.org/incident/20240809013879A), Aug 9, 2024: Grumman G-164A (N6569), Dyess, AR, Substantial damage. Arrived on scene. Aircraft was upside down in a field. Pilot stated that he had lost power after takeoff and made an emergency landing under the power line.…
- [Accident 20240629015779A](https://openairdocs.org/incident/20240629015779A), Jun 29, 2024: Grumman G-164A (N7849), Toccoa, GA, Substantial damage. Upon landing rollout, the aircraft veered off the left side of runway. The right landing gear collapsed, and the right wing and propeller struck the ground.
- [Accident 20240627010549A](https://openairdocs.org/incident/20240627010549A), Jun 27, 2024: Air Tractor Inc AT-301 (N3165C), Andover, MO, Substantial damage. The aircraft departed with full fuel and 1700 lbs of granulated fertilizer. Approximately three miles from the departure airport, the pilot noticed a steady…
- [Accident 20240625011439A](https://openairdocs.org/incident/20240625011439A), Jun 25, 2024: Grumman Acft Eng Cor-Schweizer G-164A (N9709), Dona Ana, NM, Destroyed, 1 fatal. On 06/25/2024, at approximately 1300 hours MST, a Grumman agcat (G-164 biplane), was involved in a fatal accident during maneuvering operations. The purpose of…
- [Accident 20240625009519A](https://openairdocs.org/incident/20240625009519A), Jun 25, 2024: Grumman Acft Eng Cor-Schweizer G-164B (N6793K), Pleasant Grove, CA, Substantial damage. According to the pilot he slowly advanced the power lever all the way forward and monitored the aircraft’s position on the runway as the tail was still down.…
- [Incident 20240622007219I](https://openairdocs.org/incident/20240622007219I), Jun 22, 2024: North American SNJ-5 (N3645F), Watkins, CO, No damage. On 6/22/2024 at approximately 09:09, the aircraft was lead of a 3-ship to depart from rwy 17 at Colorado Air And Space Port (cfo). During power-up and taxi,…
- [Incident 20240615007419I](https://openairdocs.org/incident/20240615007419I), Jun 15, 2024: Ayres Corporation S-2R (N5557X), Presque Isle, ME, Minor damage. 06/15/2024 @ 1009Z - Presque Isle, ME, aircraft [privacy data omitted], Ayres Corporation, S2R, experienced engine failure and made an emergency landing in a…
- [Accident 20240613005769A](https://openairdocs.org/incident/20240613005769A), Jun 13, 2024: Aero Commander S2R (N1746S), Brookings, SD, Substantial damage. On June 13, 2024, at 1555 (local CDT), an Aero Commander, model S2R aircraft [privacy data omitted]by a commercial spray company was working NE of brooking, SD…
- [Accident 20240612022399A](https://openairdocs.org/incident/20240612022399A), Jun 12, 2024: Grumman Acft Eng Cor-Schweizer G-164A (N6716Q), Dillion, SC, Substantial damage. During conversation with pilot on 07/23/2025 pilot stated that on 06/10/2024 upon takeoff from a grass strip with full fuel and chemicals an oil pressure gauge…
- [Accident 20240602006849A](https://openairdocs.org/incident/20240602006849A), Jun 2, 2024: Canadian Car & Foundry HARVARD MK IV (N7522U), Modesto, CA, Substantial damage. On June 02, 2024 the accident aircraft experienced an engine failure while enroute from paso robles (kprb) to eagles nest (CA20). The PIC for the accident…
- [Incident 20240503005939I](https://openairdocs.org/incident/20240503005939I), May 3, 2024: North American AT-6D (N8540P), Ocala, FL, Minor damage. Pilot originally planned on landing at his home airport but was unable to obtain landing gear extension lights so elected to land at Ocala where there is…
- [Incident 20240408003739I](https://openairdocs.org/incident/20240408003739I), Apr 8, 2024: North American T-6G (N101FT), Titusville, FL, Minor damage. Aircraft (a/c) encountered wind gust on third landing, over runway (rwy) 09. Pilot applied right aileron and left rudder to correct. Wind coming from the…
- [Accident 20240402003179A](https://openairdocs.org/incident/20240402003179A), Apr 2, 2024: Schweizer Aircraft Corp G-164B (N75099), Kaplan, LA, Substantial damage. On 04/02/2024 at approximately 1300 hours, a 1984 ag cat G164 with FAA registration [privacy data omitted], was being piloted under 137 operations for aerial…
- [Accident 20231028015329A](https://openairdocs.org/incident/20231028015329A), Oct 28, 2023: Ag-Cat G-164B (N910MG), Abbeville, LA, Substantial damage. On 10/25/2023, pilot was finishing their spraying runs on a field and had only a couple of runs left to go. After turning and straightening back. Pilot didn't…
- [Accident 20230917016452A](https://openairdocs.org/incident/20230917016452A), Sep 17, 2023: North American AT-6B (N57418), Reno, NV, Destroyed, 1 fatal. During landing pattern, aircraft 1 was positioned on a left base for rwy 8 with landing gear down. Aircraft 1 had made a radio call declaring his position in…
- [Accident 20230821009969A](https://openairdocs.org/incident/20230821009969A), Aug 21, 2023: Schweizer Aircraft Corp G-164B (N943QC), Rice, MN, Substantial damage. After completing 13 application loads the pilot rinsed the tank and returned to home airport. The runway is 2500 feet long by 20 feet wide, 1500 feet of the…
- [Incident 20230808012329I](https://openairdocs.org/incident/20230808012329I), Aug 8, 2023: Grumman G-164 (N705Y), Applegate, MI, Minor damage. While conducting crop spraying operations the pilot lost situational awareness during a turn around and came in on the wrong side of a tree line/hegde row than…
- [Accident 20230806013489A](https://openairdocs.org/incident/20230806013489A), Aug 6, 2023: Grumman Acft Eng Cor-Schweizer G-164A (N5450), Davis, CA, Substantial damage, 1 fatal. On August 6th, 2023, the pilot ws dusting field when he reported that the engine failed while making a pass at approximately 50' AGL. Aircraft contacted the…
- [Accident 20230803011709A](https://openairdocs.org/incident/20230803011709A), Aug 3, 2023: Air Tractor Inc AT-401 (N6015W), Jamestown, ND, Substantial damage. The pilot was attempting to take off from a private grass runway with an aircraft/engine combination he was unfamiliar with. The pilot stated that he failed to…
- [Accident 20230729013679A](https://openairdocs.org/incident/20230729013679A), Jul 29, 2023: North American AT-6D (N49961), Oshkosh, WI, Destroyed, 2 fatal. On July 29, 2023 at 0905 CST a North American AT-6D texan aircraft [privacy data omitted]piloted by a private pilot impacted the water in lake winnebago WI 4…
- [Accident 20230708009409A](https://openairdocs.org/incident/20230708009409A), Jul 8, 2023: North American AT-6G (N92761), La Grande, OR, Substantial damage. On July 8th 2023 La Grande, OR (lgd): AT-6G, jsy-uao, while en route to uao the pilot intended to make a stop at minam lodge (private strip) but struck a tree…
- [Accident 20230627008129A](https://openairdocs.org/incident/20230627008129A), Jun 27, 2023: Schweizer Aircraft Corp G-164B (N7503H), Beltrami, MN, Substantial damage, 1 fatal. Evidence found during the investigation indicates the aircraft stalled while in a steep climb. The aircraft impacted a field unobserved that was located about…
- [Accident 20230615008099A](https://openairdocs.org/incident/20230615008099A), Jun 15, 2023: Air Tractor Inc AT-401B (N6106U), Holyoke, CO, Substantial damage. Upon landing on runway 32 Holyoke municipal airport, (heq), Holyoke, CO, [privacy data omitted] an Air tractor AT-401B ground looped. There were no injuries.…
- [Incident 20230609013169I](https://openairdocs.org/incident/20230609013169I), Jun 9, 2023: North American T-6G (N49388), Reno, NV, Minor damage. During landing rollout, aircraft ground looped. Damaged right strut. Right wingtip contacted ground and caused wrinkling of right wingtip and outer portion of…
- [Accident 20230609007469A](https://openairdocs.org/incident/20230609007469A), Jun 9, 2023: North American T-6G (N16JV), Colorado Spring, CO, Substantial damage. On June 9, 2023, the incident aircraft departed the City Of Colorado Springs Municipal Airport (cos) on a local flight with 1 crewmember and 1 passenger. Local…
- [Accident 20230603004279A](https://openairdocs.org/incident/20230603004279A), Jun 3, 2023: Rockwell International S-2R (N4894X), Paul, ID, Substantial damage. While conducting CFR part 137 agricultural operations, the pilot reported loss of directional control on the takeoff roll, drifting right of centerline and…
- [Accident 20230531003429A](https://openairdocs.org/incident/20230531003429A), May 31, 2023: Grumman Acft Eng Cor-Schweizer G-164B (N8405K), Walnut Ridge, AR, Substantial damage. During the accident sequence the pilot felt the aircraft losing altitude during the takeoff climb. The pilot noticed no change in engine performance but felt…
- [Incident 20230406005239I](https://openairdocs.org/incident/20230406005239I), Apr 6, 2023: North American T-6G (N821DS), Ft Worth, TX, Minor damage. Departed kafw to the northwest. Winds were 8 KTS at 010. Upon return winds were higher at 12KT gusting to 18 KTS from 040. Cleared for the option at 34 l I…
- [Accident 20230329009769A](https://openairdocs.org/incident/20230329009769A), Mar 29, 2023: North American T-6G (N791MH), Lakeland, FL, Substantial damage. Pilot was landing and on touchdown, pilot lost directional control due to steering cable broke and aircraft ground-looped.
- [Accident 20230307001789A](https://openairdocs.org/incident/20230307001789A), Mar 7, 2023: Rockwell International S-2R (N8424V), Willows, CA, Substantial damage, 1 fatal. Evidence of the wreckage from [privacy data omitted] indicate that the aircraft was heading eastbound perpendicular to power lines while performing aerial…
- [Incident 20230121000449I](https://openairdocs.org/incident/20230121000449I), Jan 21, 2023: North American HARVARD II B (N8993), Denison, TX, Minor damage. On scene. It appeared that the aircraft taxied into a fuel truck which was parked in the non-movement area of gyi. This was approximately 100 feet North of the…

All 2,020: https://openairdocs.org/engine/pratt-whitney-r1340-series/incidents.md

## Service difficulty reports (54, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2018FA0000331](https://openairdocs.org/sdr/2018FA0000331), Aug 2, 2018: THROTTLE ARM. WORN. THE PILOT WAS UNABLE TO DECREASE ENGINE RPM, INITIATED A GO AROUND. ON THE SECOND APPROACH THE PILOT NEEDED TO INCREASE RPM AND FOUND THAT ALL THROTTLE CONTROL 
- [SDR CA150526005](https://openairdocs.org/sdr/CA150526005), May 19, 2015: CAM. WORN. (CAN) AT SPRING RUN UP, ENG SOUNDS LIKE TWIN ENG ACFT WITH PROPS OUT OF SYNC. CAM RING EXHAUST TRACK WEAR SUSPECTED AS IS A KNOWN PROBLEM WITH THIS INDICATION. 
- [SDR RZIG2014092400553](https://openairdocs.org/sdr/RZIG2014092400553), Aug 24, 2014: CYLINDER. FRACTURED. AFTER TAKEOFF NR 2 CYLINDER EXHAUST VALVE STUCK IN OPEN POSITION LETTING PISTON CONTACT VALVE, BREAKING EXHAUST ROCKER HOUSING FROM CYLINDER. ACFT LOST POWER FO
- [SDR FQWG2014082200494](https://openairdocs.org/sdr/FQWG2014082200494), Jul 28, 2014: ENGINE. POWER LOSS. DURING PESTICIDE APPLICATION, THE ENGINE STARTED LOOSING POWER AND RUNNING ROUGH. UNABLE TO MAINTAIN FLIGHT.
- [SDR 2014FA0000023](https://openairdocs.org/sdr/2014FA0000023), Apr 24, 2013: BEARING. FAILED. SUPERCHARGER BLOWER AFT BEARING FAILURE DURING TAKEOFF.
- [SDR CA120509001](https://openairdocs.org/sdr/CA120509001), May 2, 2012: STRUT. CRACKED. (CAN) FOUND 4" CRACK IN CENTER OF BOTTOM WEB OF LEFT STRUT. DIAGRAM SHOWN ON PAPER VERSION SDR FORM.
- [SDR 2011FA0000539](https://openairdocs.org/sdr/2011FA0000539), Aug 22, 2011: ENGINE. FAILED. ENGINE FAILED JUST AFTER TAKEOFF, FOR UNKNOWN REASONS RESULTING IN AN ACCIDENT. PILOT REPORTED HEARING A LOUD "BANG" COME FROM THE ENGINE WITH A SUDDEN LOSS OF 
- [SDR 2011FA0000567](https://openairdocs.org/sdr/2011FA0000567), Aug 4, 2011: ENGINE. POWER LOSS. TOTAL LOSS OF POWER ON TAKEOFF. 500 HOURS SINCE O/H.
- [SDR CA110809006](https://openairdocs.org/sdr/CA110809006), Jul 29, 2011: CYLINDER HEAD. CRACKED. VIBRATIONS PRIOR TO TAKEOFF - PRECAUTIONARY LANDING - VISUAL INSPECTION REVEALED A SEPARATION (CRACK) OF THE CYLINDER HEAD H1.
- [SDR 2011FA0000637](https://openairdocs.org/sdr/2011FA0000637), Jul 29, 2011: EXHAUST VALVE. STUCK. ACFT DEVELOPED HEAVY VIBRATION DUE TO A STUCK EXHAUST VALVE IN THE CYLINDER ASSY.
- [SDR 2010FA0001228](https://openairdocs.org/sdr/2010FA0001228), Nov 3, 2010: HINGE. DAMAGED. RT WING TIP, AILERON, BRACKET AND HINGE DAMAGED. APPEARS TO BE CONTACT WITH PAVEMENT.
- [SDR 2010FA0000957](https://openairdocs.org/sdr/2010FA0000957), Jul 21, 2010: CYLINDER HEAD. CRACKED. CYLINDER NR2 CRACKED IN AREA OF FRONT SPARK PLUG TO REAR SPARK PLUG. THIS DEFECT IS CALLED OUT IN : AD 99-11-02 AND SB 1787.
- [SDR CA100806012](https://openairdocs.org/sdr/CA100806012), Jul 12, 2010: CYLINDER HEAD. FAILED. (CAN) 3 CYLINDERS HAVE FAILED WITHIN THE LAST 33 HOURS ENGINE TIME. NR 6 & 8 CYLINDERS SPLIT HORIZONTALLY BELOW THE SPARK PLUG HOLE AT THE HEAD TO BARREL JUNCTI
- [SDR CA100608011](https://openairdocs.org/sdr/CA100608011), Jun 7, 2010: FITTING. WORN. DURING MX IN THE AREA, MOVEMENT WAS FOUND BETWEEN THE HORIZ STABILIZER REAR SPAR CONNECTOR FITTING, PN 77-121021(LWR) AND THE REAR SPAR. FURTHER MOVEMENT WAS AL
- [SDR 2010FA0000341](https://openairdocs.org/sdr/2010FA0000341), Apr 14, 2010: ISOLATOR. SPLIT. ENGINE ISOLATOR MOUNTS PN 22387 WERE REPLACED WHEN ACFT RESTORED. FIRST ANNUAL AFTER INSTALLATION WITH APPROX 60 HRS TIS MOUNTS SHOWED EXCESSIVE CRACKING AND DE
- [SDR 2008FA0000652](https://openairdocs.org/sdr/2008FA0000652), Aug 22, 2008: ENGINE. STOPPED. ENGINE QUIT IN MID-AIR. ENGINE HAD 1195.0 HOURS SINCE MAJOR OVERHAUL. (K)
- [SDR CA080812005](https://openairdocs.org/sdr/CA080812005), Aug 3, 2008: EXHAUST VALVE. BROKEN. (CAN) EXHAUST VALVE BROKE IN CRUISE FLIGHT 15 MIN AFTER DEPARTURE. PARTIAL POWER LOSS - ENGINE VIBRATION. PRECAUTIONARY LANDING EXECUTED. SERVICEABLE CYL COMPLE
- [SDR 2008FA0000379](https://openairdocs.org/sdr/2008FA0000379), May 30, 2008: SPAR. CORRODED. FOUND EXTERNAL CORROSION ON RUDDER MAIN TUBULAR SPAR APPROXIMATELY (2) INCHES ABOVE RUDDER CONTROL HORN. POST WAS SEVERELY CORRODED WITH HOLES THRU TUBE. AD 78-
- [SDR CA071128012](https://openairdocs.org/sdr/CA071128012), Nov 23, 2007: BATTERY. SHORTED. (CAN) AC SUFFERED ALMOST AN ENTIRE ELECTRICAL FAILURE DURING CLIMBOUT. AFTER SUBSEQUENT UNSCHEDULED LANDING, IT WAS DETERMINED THAT THE BATTERY HAD ACQUIRED AN 
- [SDR CA070817003](https://openairdocs.org/sdr/CA070817003), Aug 16, 2007: PIN. SHEARED. (CAN) DURING 50 HOUR INSP, EXCESSIVE ROTATIONAL MOVEMENT WAS NOTED ON THE TAIL WHEEL KNUCKLE (FORK), WITH THE TAIL WHEEL CONTROL LOCK ON. TAIL WHEEL MAST WAS DI
- [SDR CA070411005](https://openairdocs.org/sdr/CA070411005), Apr 10, 2007: STRUT. CORRODED. (CAN) DURING REPLACEMENT OF THE LT WINDSCREEN, CORROSION WAS FOUND ON THE STRUT PN C3FS2-49. AFTER REMOVAL OF SEALANT IT WAS NOTED THE STRUT WAS CORRODED COMPLE
- [SDR N6WA1209002](https://openairdocs.org/sdr/N6WA1209002), Dec 9, 2006: CONNECTOR. DAMAGED. NR 3 BATTERY PACK WILL NOT TURN OFF. FOUND PIN RESET IN CONNECTOR FOR NR 3 BATTERY, RESET PIN, OPS CHECK GOOD.
- [SDR N6WA00612001](https://openairdocs.org/sdr/N6WA00612001), Dec 8, 2006: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT BATTERY PACK INOP. REPLACED NR 3 BATTERY PACK. OPS CHECK GOOD.
- [SDR 2006FA0001206](https://openairdocs.org/sdr/2006FA0001206), Dec 6, 2006: NUT. DAMAGED. WHILE PERFORMING (SPLICE BLOCK) MAINTENANCE A NEW TUBE NUT HAD ITS THREADS PULLED OUT BEFORE REACHING TORQUE. THE FOLLOW ON PART WAS EXAMINED AND WAS FOUND TO B
- [SDR 2006FA0000015](https://openairdocs.org/sdr/2006FA0000015), Jan 4, 2006: DOOR. BULGED. CARBON MONOXIDE ENTRANCE INTO CABIN AREA. INCREASED AIRSPEED RESULTING FROM THIS COMBINATION CAUSED THE RT CABIN DOOR TO BULGE SLIGHTLY. PILOT CONCERNS ABOUT CA
- [SDR 2005FA0000992](https://openairdocs.org/sdr/2005FA0000992), Jul 22, 2005: ATTACH ANGLE. CORRODED. WING ATTACH ANGLE, CORROSION WITH LINEAR INDICATIONS. (K)
- [SDR CA050803007](https://openairdocs.org/sdr/CA050803007), Jul 4, 2005: PUSHROD. BROKEN. (CAN) NR 2 CYL EXHAUST ALUMINUM PUSH ROD BROKEN NEAR THE TOP FITTING.
- [SDR 2005FA0000991](https://openairdocs.org/sdr/2005FA0000991), Jun 30, 2005: ATTACH ANGLE. CRACKED. WING ATTACH ANGLE, CRACKING BETWEEN ROWS OF FASTENERS. (K)
- [SDR 2005FA0000953](https://openairdocs.org/sdr/2005FA0000953), Jun 27, 2005: ANGLE. CORRODED. UPON COMPLYING WITH EMERGENCY AD 2005-12-51 IT WAS DISCOVERED THE LT OUTER WING LOWER BOLTING ANGLE P/N 54-14030 WAS HEAVILY DAMAGED BY PITTING, FILIFORM & ESPE
- [SDR CA050712004](https://openairdocs.org/sdr/CA050712004), Jun 21, 2005: EXHAUST VALVE. BROKEN. EXHAUST VALVE BROKE ON NR 1 CYLINDER AND FOUND IN EXHAUST STACK.
- [SDR CA050616003](https://openairdocs.org/sdr/CA050616003), May 30, 2005: WINDOW POST. CORRODED. (CAN) DURING AN UNSCHEDULED WINDSHIELD REPLACEMENT IT WAS NOTICED THE RT POST WAS CORRODED TO THE EXTENT THAT THE POST NO LONGER PROVIDED THE INTENDED SUPPORT.
- [SDR CA050329001](https://openairdocs.org/sdr/CA050329001), Mar 10, 2005: UNIVERSAL JOINT. WORN. (CAN) THE 2 UNIVERSAL JOINTS CONNECTING CENTER SECTION FLAP TO RT FLAP WORN. THE WORN JOINTS CAUSED THE 2 SETS OF FLAP ROLLERS BOTH IB AND OB OF THE UNIVERSALS 
- [SDR CA050329011](https://openairdocs.org/sdr/CA050329011), Mar 9, 2005: ROD. CRACKED. (CAN) LT AILERON PUSH PULL ROD REMOVED TO CLEAN CORROSION FROM STEEL ENDS, AFTER CLEANING INSPECTION REVEALED A CRACK PROGRESSING FROM THE INNER RIVET. SUSPECT 
- [SDR 2005FA0000192](https://openairdocs.org/sdr/2005FA0000192), Feb 7, 2005: CRANKSHAFT. FRACTURED. THE CRANKSHAFT REAR HALF FRACTURED IN TWO, JUST AFT OF THE MASTER ROD BEARING JOURNAL. (K)
- [SDR 2004FA0000764](https://openairdocs.org/sdr/2004FA0000764), Jul 2, 2004: BUSHING. OBSTRUCTED. ENGINE LOST POWER ON TAKE-OFF. PILOT LANDED IN BOG AND FLIPPED OVER. PRELIMINARY INSPECTION SHOWED DAMAGE TO INDUCTION IMPELLER. TEARDOWN REVEALED IMPELLER SHAF
- [SDR 2004FA0000668](https://openairdocs.org/sdr/2004FA0000668), Jun 17, 2004: BOLT. CRACKED. THE CRANKSHAFT THRU BOLT APPEARS TO HAVE FRACTURED IN THE AREA JUST BELOW THE THREADS IN THE NECKED DOWN AREA. THE HEAD OF THE COTTER PIN THAT SAFETY LOCKS THE 
- [SDR HJB2004F00000](https://openairdocs.org/sdr/HJB2004F00000), Jan 23, 2004: SCREW. DEFECTIVE. BAD LOCKING SCREW.
- [SDR 2002FA0001375](https://openairdocs.org/sdr/2002FA0001375), Dec 6, 2002: NUT. CRACKED. A NEWLY OVERHAULED "0" TIME PROPELLER WAS INSTALLED 05/31/01. DURING MAINTENANCE JULY 5, 2002 THE PROPELLER HAD TO BE REMOVED TO FACILITATE OTHER WORK. DURING T
- [SDR 2002FA0001376](https://openairdocs.org/sdr/2002FA0001376), Dec 6, 2002: NUT. CRACKED. A NEWLY OVERHAULED "0" TIME PROPELLER WAS INSTALLED 05/31/01. DURING MAINTENANCE JULY 5, 2002 THE PROPELLER HAD TO BE REMOVED TO FACILITATE OTHER WORK. DURING T
- [SDR 2002FA0001343](https://openairdocs.org/sdr/2002FA0001343), Nov 19, 2002: CONTROL CABLE. BROKEN. AFTER NORMAL LANDING AND ROLLOUT AIRCRAFT SUDDENLY VERIED RT. PILOT BRAKED BUT AIRCRAFT NOSED OVER AND CAME TO REST UPSIDE DOWN. DURING INVESTIGATION FOUND BROK
- [SDR 2002FA0001350](https://openairdocs.org/sdr/2002FA0001350), Nov 18, 2002: WIRE. FAILED. LANDING WIRE SEPARATED IN FLIGHT ON RT WING. AIRCRAFT RETURNED FOR LANDING. RT WING SETTLED TO RUNWAY AS AIRCRAFT SLOWED. WIRE APPEARS TO HAVE SMALL ELECTRICAL 
- [SDR 2002FA0000781](https://openairdocs.org/sdr/2002FA0000781), Jun 1, 2002: ROCKER SHAFT. DEPARTED. WHILE FLYING, NR 3 ROCKER SHAFT ON EXHAUST VALVE EXITED THE AIRCRAFT CAUSING THE ENGINE TO LOSE POWER. AIRCRAFT MADE A FORCED LANDING INTO A PLOWED FIELD CAUSIN
- [SDR 2001FA0000195](https://openairdocs.org/sdr/2001FA0000195), Jul 3, 2001: CYLINDER. CRACKED. THE NR 3 CYLINDER HEAD CRACKED AT THE ROCKER BOSS, ENGINE LOST POWER, AIRCRAFT EMERGENCY LANDED IN A FIELD. 2ND OCCURANCE.
- [SDR CA010628012](https://openairdocs.org/sdr/CA010628012), May 11, 2001: TUBE. BROKEN. (CAN) COULD NOT CYCLE PROPELLER. FOUND OIL TRANSFER TUBE IN NOSE CASE BROKEN AT ATTACH POINT IN CENTRE OF TUBE. ONE TUBE REPLACED AT 274 HOURS SINCE OVERHAUL AN
- [SDR CA010403011](https://openairdocs.org/sdr/CA010403011), Mar 6, 2001: CABLE. BROKEN. (CAN) DURING THE PRE-FLIGHT RUN-UP, THE THROTTLE CONTROL WAS NOT RESPONDING PROPERLY. INVESTIGATION FOUND THAT THE FLEX CABLE WAS BROKEN INSIDE THE TUBING.
- [SDR 99ZZZX2537](https://openairdocs.org/sdr/99ZZZX2537), Jun 15, 1999: SUN GEAR. FAILED. UPON TOUCH DOWN RUN, AT TAKEOFF POWER SETTING, ENGINE RUNNING AT FULL POWER FAILED TO POWER PROPELLER. UPON INVESTIGATION, SUN GEAR IN REDUCTION GEARBOX WAS FOU
- [SDR CA980331001](https://openairdocs.org/sdr/CA980331001), Mar 31, 1998: SEAL. FAILED. (CAN) ENGINE PROBLEM ON DESCENT. SUSPECT BLOWER (SUPERCHARGER) SEAL FAILURE.
- [SDR 98ZZZX184](https://openairdocs.org/sdr/98ZZZX184), Dec 16, 1997: ROLLER. SPALLED. AT THE TIME OF ROUTINE MAINTENANCE, METAL WAS DISCOVERED IN THE OIL SCREEN AND FILTER AND ALSO THE CHIP DETECTOR LIGHT CAME ON. UPON INSPECTION, FOUND THE VALVE
- [SDR CA970926010](https://openairdocs.org/sdr/CA970926010), Sep 12, 1997: CYLINDER. SEPARATED. (CAN) THE AIRCRAFT WAS ON DESCENT, FOR SEVERAL MINUTES, WITH REDUCED POWER, THE ENGINE BACKFIRED AND QUIT. POWER OFF LANDING CARRIED OUT ON LAKE. THE ENGINE WAS
- [SDR CA970822006](https://openairdocs.org/sdr/CA970822006), Aug 2, 1997: CYLINDER. CRACKED. (CAN) NR2 CYLINDER FOUND CRACKED ON 100 HOUR INSPECTION.

All 54: https://openairdocs.org/engine/pratt-whitney-r1340-series/reports.md

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