# NTSB investigations: Pratt & Whitney R1340 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 8 of 34 · 1,656 cases

## Cases, newest first

- [NTSB LAX05LA124](https://openairdocs.org/ntsb/LAX05LA124.md): North American AT-6C · Chino, CA · Accident · No injuries · Limited investigation · Final report · Mar 26, 2005 · N7055H · 2 aircraft · Minor damage
  > the pilot of the other airplane's failure to maintain an adequate clearance from obstacles while taxiing.
- [NTSB DFW05CA095](https://openairdocs.org/ntsb/DFW05CA095.md): Ayres S-2R · Marvell, AR · Accident · No injuries · Data collection · Final report · Mar 11, 2005 · N8422V · Substantial damage
  > The pilot's failure to maintain directional control while landing. A contributing factor was gusty winds.
- [NTSB DFW05CA094](https://openairdocs.org/ntsb/DFW05CA094.md): Grumman G-164A · Tuckerman, AR · Accident · No injuries · Data collection · Final report · Feb 25, 2005 · N8501H · Substantial damage
  > The loss of engine power as result of the failure of the number nine cylinder.
- [NTSB DFW05CA003](https://openairdocs.org/ntsb/DFW05CA003.md): Air Tractor AT-301 · Coahoma, TX · Accident · No injuries · Data collection · Final report · Oct 13, 2004 · N8886S · Substantial damage
  > The pilot's failure to maintain directional control during landing. A contributing factor was the lack of suitable terrain for landing.
- [NTSB FTW04CA246](https://openairdocs.org/ntsb/FTW04CA246.md): Grumman G-164A · Gilbert, LA · Accident · No injuries · Data collection · Final report · Sep 28, 2004 · N8661H · Substantial damage
  > The failure of a piston connecting rod for undetermined reasons resulting in the loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX04CA323](https://openairdocs.org/ntsb/LAX04CA323.md): Aero Commander S2R · Firebaugh, CA · Accident · No injuries · Data collection · Final report · Sep 18, 2004 · N8822Q · Substantial damage
  > the failure of the pilot to maintain clearance from high tension wires in dark night conditions. The reason for the loss of engine power after the wire collision was not determined.
- [NTSB IAD04LA044](https://openairdocs.org/ntsb/IAD04LA044.md): Schweizer G-164B · Penn Yan, NY · Accident · No injuries · Limited investigation · Final report · Sep 5, 2004 · N7501H · Substantial damage
  > the pilot's loss of directional control during landing which resulted in excessive side-loads and failure of the right main landing gear wheel.
- [NTSB ATL04LA173](https://openairdocs.org/ntsb/ATL04LA173.md): Air Tractor AT-401B · Bainbridge, GA · Accident · 1 fatal · Limited investigation · Final report · Sep 4, 2004 · N3047A · Substantial damage
  > The pilot's failure to maintain adequate airspeed during an abrupt maneuver which resulted in a stall and collision with the ground.
- [NTSB FTW04LA227](https://openairdocs.org/ntsb/FTW04LA227.md): Grumman 164B · East Bernard, TX · Accident · No injuries · Limited investigation · Final report · Aug 31, 2004 · N8222K · Substantial damage
  > The loss of engine power as result of the failure of the number four cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI04CA224](https://openairdocs.org/ntsb/CHI04CA224.md): Air Tractor AT-301 · Cambridge, KS · Accident · Minor injuries · Data collection · Final report · Aug 12, 2004 · N2353W · Substantial damage
  > The pilot not jettisoning his chemical load during initial climb with the reported loss of airplane performance. Factors were the reported loss of aircraft performance and the tree.
- [NTSB FTW04CA184](https://openairdocs.org/ntsb/FTW04CA184.md): Grumman G-164C · Tiller, AR · Accident · No injuries · Data collection · Final report · Jul 16, 2004 · N6555K · Substantial damage
  > The pilot's inability to maintain control of the airplane while landing due to a brake system failure.
- [NTSB SEA04CA132](https://openairdocs.org/ntsb/SEA04CA132.md): Air Tractor AT-301 · Waitsburg, WA · Accident · No injuries · Data collection · Final report · Jul 12, 2004 · N23811 · Substantial damage
  > The 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 FTW04LA182](https://openairdocs.org/ntsb/FTW04LA182.md): Gulfstream-Schweizer G-164B · Eagle Lake, TX · Accident · No injuries · Limited investigation · Final report · Jul 12, 2004 · N8222K · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW04LA179](https://openairdocs.org/ntsb/FTW04LA179.md): Air Tractor AT-401 · Winnsboro, LA · Accident · No injuries · Limited investigation · Final report · Jul 10, 2004 · N10061 · Substantial damage
  > The pilot's mismanagement of fuel resulting in fuel starvation. A contributing factor was the ditch.
- [NTSB SEA04LA125](https://openairdocs.org/ntsb/SEA04LA125.md): Schweizer G-164B · Wendell, ID · Accident · No injuries · Limited investigation · Final report · Jul 7, 2004 · N7502Y · Substantial damage
  > A cracked cylinder head which resulted in a loss of engine power while maneuvering. High vegetation was a factor.
- [NTSB FTW04LA176](https://openairdocs.org/ntsb/FTW04LA176.md): Rockwell S-2R · Jonesville, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2004 · N8486V · Substantial damage
  > The pilot's failure to maintain clearance with the power lines.
- [NTSB FTW04LA164](https://openairdocs.org/ntsb/FTW04LA164.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Jun 17, 2004 · N6567 · Substantial damage
  > The separation of the right main landing gear wheel and axle during take-off. Contributing factors were the fatigue of the bolts on the right main landing gear and the rough and uneven terrain.
- [NTSB FTW04LA159](https://openairdocs.org/ntsb/FTW04LA159.md): Ayres S-2R · Eagle Lake, TX · Accident · No injuries · Limited investigation · Final report · Jun 11, 2004 · N3104S · Substantial damage
  > The partial collapse of the left main landing gear as a result of a failure of the fuselage structure due to corrosion.
- [NTSB LAX04LA267](https://openairdocs.org/ntsb/LAX04LA267.md): Schweizer G-164B · Richvale, CA · Accident · No injuries · Limited investigation · Final report · Jun 7, 2004 · N3626T · Substantial damage
  > the loss of engine power during takeoff due to the engine's deteriorated fuel control unit's inner drive shaft bearing. The reason for the bearing's deteriorated condition could not be determined.
- [NTSB SEA04LA099](https://openairdocs.org/ntsb/SEA04LA099.md): Grumman G-164B · Midvale, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 2004 · N8440K · Destroyed
  > The failure of the pilot to maintain clearance from the high tension powerline. A factor was the powerline.
- [NTSB FTW04LA150](https://openairdocs.org/ntsb/FTW04LA150.md): Air Tractor AT-301 · Cotton Plant, AR · Accident · No injuries · Limited investigation · Final report · Jun 4, 2004 · N3166U · Substantial damage
  > The loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA04LA093](https://openairdocs.org/ntsb/SEA04LA093.md): Grumman G-164 · Rexburg, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 1, 2004 · N657Y · Substantial damage
  > The pilot's failure to maintain clearance from an object while maneuvering during an aerial application flight. Contributing factors were the pilot's diverted attention and the irrigation pivot.
- [NTSB DEN04LA083](https://openairdocs.org/ntsb/DEN04LA083.md): Ayres S-2R · Beaver, UT · Accident · No injuries · Limited investigation · Final report · May 31, 2004 · N5686X · Substantial damage
  > the in-flight failure of the engine's P3 tube which resulted in the loss of engine power and the subsequent impact with terrain during a forced landing. Contributing factors include the lack of suitable terrain for a forced landing and the fence.
- [NTSB FTW04LA132](https://openairdocs.org/ntsb/FTW04LA132.md): Air Tractor AT-301 · Donna, TX · Accident · Minor injuries · Limited investigation · Final report · May 21, 2004 · N3168H · Substantial damage
  > The pilot's failure to maintain clearance from the high tension power lines.
- [NTSB MIA04LA072](https://openairdocs.org/ntsb/MIA04LA072.md): North American SNJ-5B · Lakeland, FL · Accident · No injuries · Limited investigation · Final report · Apr 15, 2004 · N31443 · Substantial damage
  > The failure of the pilot to maintain directional control of the airplane during the landing roll resulting in the airplane departing the right side of the runway, collapsing the left main landing gear, the left wing striking the ground, and the airplane…
- [NTSB SEA04CA059](https://openairdocs.org/ntsb/SEA04CA059.md): Rockwell S-2R · Mattawa, WA · Accident · No injuries · Data collection · Final report · Mar 26, 2004 · N8420V · Substantial damage
  > Compensation for wind conditions not maintained. Factors include a tailwind and a rock pile adjacent to the runway.
- [NTSB FTW04LA091](https://openairdocs.org/ntsb/FTW04LA091.md): Air Tractor AT-301 · Plain Dealing, LA · Accident · No injuries · Limited investigation · Final report · Mar 13, 2004 · N4359S · Destroyed
  > A loss of engine power due to undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX04CA154](https://openairdocs.org/ntsb/LAX04CA154.md): Ayres S-2R · Los Banos, CA · Accident · Minor injuries · Data collection · Final report · Mar 12, 2004 · N8930Q · Substantial damage
  > the pilot's failure to maintain proper runway alignment due to visual restrictions from the light condition, resulting in a nose over. Factors in the accident were the dusk light conditions and sun glare.
- [NTSB LAX04CA153](https://openairdocs.org/ntsb/LAX04CA153.md): Ayres S2R-600 · Calipatria, CA · Accident · No injuries · Data collection · Final report · Mar 11, 2004 · N8520V · Substantial damage
  > the failure of ground personnel to refuel the airplane with the proper fuel grade/octane, resulting in the airplane's loss of engine power. Also causal was the pilot's failure to detect the fuel problem during a preflight inspection.
- [NTSB LAX04LA126](https://openairdocs.org/ntsb/LAX04LA126.md): Grumman-Schweizer G-164B · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Feb 17, 2004 · N6774K · Substantial damage
  > A loss of engine power for undetermined reasons during cruise flight.
- [NTSB FTW04LA021](https://openairdocs.org/ntsb/FTW04LA021.md): Air Tractor AT-301 · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · Nov 12, 2003 · N1361E · Substantial damage
  > The pilot's improper weather evaluation and the wrong runway selection. A contributing factor was the tailwind.
- [NTSB ATL04IA002](https://openairdocs.org/ntsb/ATL04IA002.md): North American T6G · Clayton, GA · Incident · No injuries · Incident investigation · Final report · Oct 2, 2003 · N2831D · Minor damage
  > The pilot's inadequate compensation for wind conditions that resulted in his failure to maintain directional control during landing roll. A factor was gusting tailwinds.
- [NTSB FTW03LA204](https://openairdocs.org/ntsb/FTW03LA204.md): Air Tractor AT-301 · Winnsboro, LA · Accident · No injuries · Limited investigation · Final report · Aug 25, 2003 · N301AF · Substantial damage
  > The pilot's inadequate inflight planning, which resulted in a loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI03LA261](https://openairdocs.org/ntsb/CHI03LA261.md): Air Tractor AT-301 · Aplington, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 14, 2003 · N4339S · Substantial damage
  > The pilot not maintaining proper altitude/clearance from the wire during the aerial application flight. The factor to the accident was the power line.
- [NTSB CHI03LA249](https://openairdocs.org/ntsb/CHI03LA249.md): North American AT-6D · Brookings, SD · Accident · No injuries · Limited investigation · Final report · Aug 7, 2003 · N9272K · Substantial damage
  > The inadequate fuel supply for the flight, and the inadequate preflight by the pilot resulting in exhaustion of the fuel supply and subsequent loss of engine power. The tree was a contributing factor.
- [NTSB CHI03LA243](https://openairdocs.org/ntsb/CHI03LA243.md): Rockwell International S-2R · Mitchell, SD · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2003 · N4923X · Substantial damage
  > The pilot's inadequate visual lookout and not maintaining clearance from the power line during the low level aerial application maneuver. A related factor was the power line.
- [NTSB ATL03LA122](https://openairdocs.org/ntsb/ATL03LA122.md): Air Tractor AT401B · Girard, GA · Accident · No injuries · Limited investigation · Final report · Jul 30, 2003 · N61227 · Substantial damage
  > A loss of engine power due to the failure of the internal supercharger blower seals.
- [NTSB NYC03LA168](https://openairdocs.org/ntsb/NYC03LA168.md): Air Tractor AT-301 · Rhinebeck, NY · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 2003 · N23820 · Substantial damage
  > A loss of engine power due to a failure of the number eight cylinder.
- [NTSB SEA03LA152](https://openairdocs.org/ntsb/SEA03LA152.md): Rockwell S-2R · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · Jul 21, 2003 · N4250X · Substantial damage
  > The pilot's inadequate in-flight decision by failing to refuel, resulting in fuel exhaustion and the loss of power. Rocky terrain was a factor.
- [NTSB LAX03LA230](https://openairdocs.org/ntsb/LAX03LA230.md): Aero Commander S2R · Tulelake, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 10, 2003 · N8912Q · Substantial damage
  > The pilot's inadequate preflight inspection and failure to remove the gust lock, which resulted in his loss of airplane control.
- [NTSB FTW03CA180](https://openairdocs.org/ntsb/FTW03CA180.md): Schweizer G-164B · Vega, TX · Accident · No injuries · Data collection · Final report · Jun 28, 2003 · N7501H · Substantial damage
  > The failure of the left brake for undetermined reasons.
- [NTSB CHI03LA170](https://openairdocs.org/ntsb/CHI03LA170.md): Air Tractor AT-301 · Covert, MI · Accident · No injuries · Limited investigation · Final report · Jun 20, 2003 · N3659T · Substantial damage
  > Failure of the pilot to verify fuel quantity prior to the accident flight, and fuel exhaustion resulting in a loss of engine power. Contributing factors were the soft, rough, unsuitable terrain for a forced landing.
- [NTSB SEA03LA101](https://openairdocs.org/ntsb/SEA03LA101.md): Rockwell International S-2R · Royal City, WA · Accident · No injuries · Limited investigation · Final report · Jun 12, 2003 · N8468V · Substantial damage
  > The pilot's failure to maintain clearance from a 20 foot high post while applying chemicals to an agricultural field, which resulted in impact damage to the right main landing gear, and ultimately to a collapse of the subject gear during the subsequent…
- [NTSB CHI03LA142](https://openairdocs.org/ntsb/CHI03LA142.md): Grumman G-164A · Seneca, KS · Accident · No injuries · Limited investigation · Final report · May 29, 2003 · N29SK · Substantial damage
  > The pilot's failure to maintain directional control while landing. Factors contributing to the accident were the collapse of the left main landing gear strut and the ditch.
- [NTSB DEN03LA084](https://openairdocs.org/ntsb/DEN03LA084.md): North American SNJ-6 · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · May 22, 2003 · N5485V · Substantial damage
  > the pilot's failure to maintain directional control of the aircraft during the landing roll. Contributing factors include, the pressures induced on the pilot by the landing conditions and the asphalt walkway on the side of the runway.
- [NTSB LAX03LA158](https://openairdocs.org/ntsb/LAX03LA158.md): Ayres S2R-T34 · Willows, CA · Accident · No injuries · Limited investigation · Final report · May 21, 2003 · N5653X · Substantial damage
  > A loss of engine power for an undetermined reason during an aerial application.
- [NTSB CHI03LA132](https://openairdocs.org/ntsb/CHI03LA132.md): Grumman G-164A · North Platte, NE · Accident · No injuries · Limited investigation · Final report · May 20, 2003 · N7855 · Substantial damage
  > The pilot's failure to maintain directional control and the collapse of the main landing gear. A factor to the accident was the quartering tailwind.
- [NTSB FTW03LA136](https://openairdocs.org/ntsb/FTW03LA136.md): Air Tractor AT-301 · Batchelor, LA · Accident · No injuries · Limited investigation · Final report · Apr 18, 2003 · N36531 · Substantial damage
  > The pilot's failure to abort the takeoff with adequate runway available. A contributing factor was the high density altitude.
- [NTSB CHI03LA106](https://openairdocs.org/ntsb/CHI03LA106.md): Aero Commander S2R · Benson, MN · Accident · No injuries · Limited investigation · Final report · Apr 13, 2003 · N5519X · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB MIA03LA094](https://openairdocs.org/ntsb/MIA03LA094.md): Air Tractor AT- 401 · Fellsmere, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 8, 2003 · N4549N · Destroyed
  > The poor in-flight planning by the pilot-in-command for his overhsooting the pull-up following a spray pass resulting in the in-flight collision with trees then terrain. Contributing to the accident was sunglare that the pilot encountered during the spray…

Next page: https://openairdocs.org/ntsb.md?engine=52016&page=9

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&page=8

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