NTSB investigations: Pratt & Whitney R1340 series
57 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the first occurrence was “Loss of control - in flight”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1982 | 2 |
|---|---|
| 1983 | 3 |
| 1984 | 3 |
| 1985 | 3 |
| 1986 | 4 |
| 1987 | 2 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 2 |
| 1992 | 1 |
| 1993 | 4 |
| 1994 | 4 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 4 |
| 1999 | 4 |
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 2 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 250))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ATL04LA173Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-401B · Bainbridge, GAThe pilot's failure to maintain adequate airspeed during an abrupt maneuver which resulted in a stall and collision with the ground.NTSB SEA04CA132Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Waitsburg, WAThe pilot's failure to maintain aircraft control and his inadequate compensation for the wind conditions during the landing. Gusts and high vegetation were factors.NTSB FTW03LA084Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401 · Alamo, TXThe pilot's failure to maintain airspeed which resulted in a stall. Low altitude flight is a contributing factor.NTSB LAX02LA246Accident · No injuriesLimited investigationFinal reportAero Commander S2R-T34 · Los Banos, CAThe pilot's failure to maintain an adequate airspeed while maneuvering, which resulted in an inadvertent stall.NTSB FTW02LA221Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · New Roads, LAThe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin of the airplane.NTSB FTW02LA020Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Morton, TXThe pilot's loss of control of the airplane during an aerial application maneuver.NTSB CHI01LA240Accident · No injuriesLimited investigationFinal reportSnow 600-S2C · Plainfield, WIThe pilot not maintaining aircraft control while maneuvering on the aerial application flight. A factor to the accident was the encountered stall/mush at a low altitude.NTSB MIA01LA166Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Finley, TNThe failure of the pilot to maintain aircraft altitude control while on downwind leg of the landing pattern, resulting in an uncontrolled descent and in-flight collision with the terrain.NTSB DEN00FA164Accident · 2 fatalField investigationFinal reportNorth American SNJ-5 · Steamboat Spg, COthe pilot's inadvertent entry into a spin while performing aerobatics.NTSB MIA00LA245Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · Berlin, GAthe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall and collision with terrain.NTSB CHI00LA257Accident · 1 fatalLimited investigationFinal reportAyres S2R-600 · Bad Axe, MIThe inadvertent stall/spin encountered by the pilot. A factor was the low altitude.NTSB FTW00LA210Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Ville Platte, LAThe loss of control for an undetermined reason.NTSB DEN99LA169Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164A · Animas, NMA inadvertent stall during initial climb following takeoff. Factor were: high gross weight, high density altitude, inadequate preflight planning and preparation, and soft terrain.NTSB SEA99LA115Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Paul, IDThe pilot's failure to attain adequate airspeed during takeoff and initial climb, resulting in stall/mush and inability of the aircraft to sustain level flight. Factors included high density altitude, a tailwind, an uphill takeoff surface, and crops in the…NTSB FTW99LA134Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G164-B · Garwood, TXThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. A related factor was the high density altitude.NTSB LAX99LA180Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Maxwell, CAFailure of the pilot to attain and maintain the proper reference climb airspeed during the rotation and initial climb, which resulted in a stall/mush condition.NTSB CHI98LA305Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Edgeley, NDThe pilot's failure to maintain flying airspeed resulting in a stall/mush condition during the initial climb. Contributing factors were the high density altitude, high aircraft weight, and pilot's delayed jettison of the load, as well as the roadway and crop.NTSB CHI98LA217Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Ipswich, SDthe pilot's inadequate evaluation of the weather conditions and his failure to maintain aircraft control which resulted in a stall/mush. Factors associated with the accident were the tailwind condition and the soft terrain.NTSB FTW98FA272Accident · 1 fatalField investigationFinal reportAyres S2R-R1340 · Humphrey, ARThe pilot's visual lookout was inadequate for undetermined reasons.NTSB FTW98LA257Accident · 1 fatalLimited investigationFinal reportAero Commander S2R · Hondo, TXThe inadvertent stall due to the pilot's failure to maintain control of the airplane. Factors were the high winds and the wind induced turbulence.NTSB ATL97LA087Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301A · Labelle, FLfailure of the pilot to maintain adequate airspeed during a turn-around maneuver, which resulted in an aerodynamic stall/mush and collision with the terrain.NTSB FTW97LA136Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Swifton, ARthe pilot's improper in-flight planning/decision and failure to maintain positive control of the airplane, while performing an aerobatic maneuver.NTSB FTW97LA137Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Dilley, TXfailure of the pilot to maintain adequate airspeed, while maneuvering over high transmission line(s), which resulted in a stall/mush and collision with the terrain. The unfavorable weather condition (with turbulence) and the obstruction (high transmission…NTSB SEA96LA113Accident · Serious injuriesLimited investigationFinal reportAyres S2R · Aberdeen, IDpilot's improper planning/decision, and subsequent incapacitation, which resulted in a loss of aircraft control and collision with the terrain. Factors relating to the accident were: pilot fatigued from a long-distance drive with minimal rest, physical…NTSB CHI96LA119Accident · No injuriesLimited investigationFinal reportAyres S2-R · Wyatt, MOthe pilot's failure to maintain control of the airplane during takeoff. A factor was the crosswind condition.NTSB FTW95LA263Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cheneyville, LAThe pilot's failure to maintain adequate airspeed at a low altitude.NTSB SEA94LA200Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Connell, WAThe pilot's failure to maintain airspeed while conducting aerial application activities.NTSB ATL94LA142Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Samson, ALThe failure of the aileron torque tube bolt from fatigue, which resulted in an inflight loss of aircraft control and collision with terrain.NTSB FTW94LA211Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Dumas, ARThe pilot's failure to establish the proper airspeed before beginning a turn after takeoff.NTSB SEA94LA117Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Yuba City, CAAn inadvertent stall/mush after takeoff. The over-weight loading of the aircraft was a factor.NTSB NYC94LA009Accident · 1 fatalLimited investigationFinal reportNorth American SNJ-2 · Skaneateles, NYThe pilot's inadequate preflight preparation which failed to adequately secure cargo, resulting control interference. A factor was the overgross weight condition of the airplane.NTSB LAX93LA365Accident · Minor injuriesLimited investigationFinal reportSnow 600-S2C · Surprise, AZThe pilot's improper inflight planning resulting in his airplane's encounter with wake turbulence.NTSB LAX93LA189Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Sacramento, CAfailure of the pilot in command to maintain adequate airspeed during a low altitude maneuvering turn which resulted in an inadvertent stall.NTSB LAX93LA167Accident · Serious injuriesLimited investigationFinal reportAero Commander ST-R · San Jose, CAThe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin.NTSB LAX92LA126Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Dixon, CAThe pilot's premature lift-off. Contributing to the accident was the inadvertent stall/mush and the soft dirt airstrip.NTSB MIA91LA033Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT401 · Belle Glade, FLThe pilot failed to maintain airspeed, and stalled the airplane, resulting in a uncontrolled descent, and collision with the terrain.NTSB ATL90FA158Accident · 2 fatalField investigationFinal reportNorth American T-6G · Locust Grove, GAThe pilot-in-command's failure to maintain aircraft control during maneuvering flight, allowing the airplane to stall without sufficient altitude for recovery.NTSB CHI89DEP10Accident · 1 fatalFinal reportAir Tractor AT-301 · Plainfield, WIFailure of the pilot-in-command to maintain control of the aircraft while conducting aerial application maneuvers in close proximity to the terrain.NTSB MKC88LA159Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Swifton, ARShortly after takeoff during an aerial application operation, the pilot said he was unable to establish a positive climb. After traveling about 1 mile, he elected to dump his dry fertilizer load. When he dumped the load, the increased aerodynamic drag caused…NTSB ATL88LA190Accident · Minor injuriesLimited investigationFinal reportSikorsky S-55C · Coaling, ALThe helo was approaching a helipad for landing after the last aerial application flight of the day when there was a pop and tail rotor control was lost. After several rotations about the vertical axis, the PIC landed the helo hard, collapsing the landing…NTSB DEN87LA211Accident · No injuriesLimited investigationFinal reportNorth American AT-6A · Englewood, COThe plt does not possess a single engine airplane rating. The plt had a total of 18 hours in the AT-6A. Pilot was departing on a pleasure flt. Witnesses stated that the aircraft appeared to rotate prematurely, climbing at a slow airspeed and a high angle of…NTSB LAX87LA295Accident · Serious injuriesLimited investigationFinal reportNorth American T-6G · Butte City, CADuring a local flight, a witness observed the acft making shallow right turns at aprx 100 ft AGL. The acft suddenly nosed down and collided with the terrain. Neither the plt nor the passenger remember what happened. Inspection of the engine revealed…NTSB MIA87FA022Accident · 1 fatalField investigationFinal reportGrumman G-164A · Orlando, FLWhile the plt was making a banner pick-up, witnesses saw the acft engage the banner & enter a climb. The plt released the banner, then the acft mushed into a partially built hangar, crashed & burned. The plt, who was on fire, exited the rgt canopy hatch.…NTSB MKC86LA122Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Bayard, NEThe plt stated he encountered downdrafts near trees he was going to overfly while in a turnaround maneuver to spray crops. Instead of flying over the trees, the plt stated that the acft descended into the ground near the trees while in the turn. Wind…NTSB SEA86LA179Accident · 1 fatalLimited investigationFinal reportAyres S2R · Nampa, IDGround personnel reported the acft entered procedure turnaround in an excessive attitude, appeared to stall, rolled inverted and struck the ground. No evidence found of pre-impact mechanical failure or malfunction.NTSB MIA86LA084Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Homestead, FLThe plt stated that she had completed one spray pass with one ton of fertilizer aboard & pulled up in a turn to about 200 ft. at that time the acft 'hit a pocket of dead air.' The acft nosed down and although the plt dumped the chemical load, she could not…NTSB ATL85LA269Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Tunica, MSThe plt stated that during aerial application maneuver he allowed the airspeed to get too low and the acft settled into a soy bean field. The left wing contacted the crop and the acft cartwheeled.NTSB LAX85FA241Accident · 1 fatalField investigationFinal reportNorth American AT6A · Lemoore, CAAfter dropping a parachutist to open an air show the plt's takeoff was delayed by a blown tire on a landing airplane and difficulties with filling his smoke oil tank. After completing about two thirds of his aerobatic routine the plt recovered from a reverse…NTSB MKC85LA068Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Bradley, ARThe plt said that after liftoff the acft encountered a gust of wind and the acft swerved off the airstrip into rough terrain.NTSB MKC84LA148Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Humnoke, ARPlt stated he noticed a vibration in the acft on two flts prior to the accident flt. Plt felt forward pressure on the stick so he attempted to trim the acft. The acft nosed forward colliding with the terrain. Inspection disclosed no preimpact…