# 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 10 of 34 · 1,656 cases

## Cases, newest first

- [NTSB CHI01LA240](https://openairdocs.org/ntsb/CHI01LA240.md): Snow 600-S2C · Plainfield, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 2001 · N8703V · Substantial damage
  > The 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 CHI01LA195](https://openairdocs.org/ntsb/CHI01LA195.md): Air Tractor AT-401 · Ellinwood, KS · Accident · No injuries · Limited investigation · Final report · Jul 2, 2001 · N4549E · Substantial damage
  > The pilot failed to see and avoid the guy wire during an aerial application flight. A factor associated with the accident was the guy wire.
- [NTSB CHI01LA191](https://openairdocs.org/ntsb/CHI01LA191.md): Air Tractor AT-301 · Grygla, MN · Accident · No injuries · Limited investigation · Final report · Jun 30, 2001 · N3656B · Substantial damage
  > The pilot not maintaining altitude/clearance from terrain on takeoff. A factor was the high density altitude.
- [NTSB FTW01LA156](https://openairdocs.org/ntsb/FTW01LA156.md): Rockwell International S-2R · Sabinal, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2001 · N4888X · Substantial damage
  > a loss of engine power due to a crack in the #9 cylinder, which result in the failure of the connecting rod during the aerial application flight. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX01LA228](https://openairdocs.org/ntsb/LAX01LA228.md): Schweizer G-164B · Meridian, CA · Accident · No injuries · Limited investigation · Final report · Jun 27, 2001 · N2236F · Substantial damage
  > The pilot's misjudged and inadequate altitude while maneuvering during an aerial application flight.
- [NTSB MIA01LA166](https://openairdocs.org/ntsb/MIA01LA166.md): Air Tractor AT-301 · Finley, TN · Accident · 1 fatal · Limited investigation · Final report · Jun 19, 2001 · N23672 · Destroyed
  > The 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 ANC01LA062](https://openairdocs.org/ntsb/ANC01LA062.md): Noorduyn UC-64A · Seward, AK · Accident · No injuries · Limited investigation · Final report · Jun 4, 2001 · N225BL · Substantial damage
  > The pilot's inadvertent stall of the airplane during takeoff. Factors associated with the accident were the pilot's inadequate weather evaluation, his inadequate compensation for wind conditions, and turbulence.
- [NTSB FTW01LA119](https://openairdocs.org/ntsb/FTW01LA119.md): Grumman-Schweizer G-164B · Rosharon, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2001 · N6778K · Substantial damage
  > the pilot's failure to maintain aircraft control while maneuvering. Factors were the weather conditions and the muddy terrain.
- [NTSB CHI01LA135](https://openairdocs.org/ntsb/CHI01LA135.md): Air Tractor AT-401 · Warsaw, IL · Accident · No injuries · Limited investigation · Final report · May 12, 2001 · N1008Q · Substantial damage
  > the rocker assembly failure during low level maneuvering. Factors were the soft and sandy terrain and the unsuitable terrain the pilot encountered during the forced landing.
- [NTSB LAX01LA183](https://openairdocs.org/ntsb/LAX01LA183.md): North American AT-6 D · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · May 5, 2001 · N7421C · Substantial damage
  > The pilot's inadequate compensation for an existing crosswind condition.
- [NTSB MIA01LA099](https://openairdocs.org/ntsb/MIA01LA099.md): Grumman G-164A · Poplarville, MS · Accident · No injuries · Limited investigation · Final report · Mar 13, 2001 · N5076 · Substantial damage
  > a loss of engine power due to a cracked number 2 cylinder which resulted in a forced landing, subsequent impact with the runway, departure from the runway down an embankment, soft terrain and nose over.
- [NTSB SEA01LA055](https://openairdocs.org/ntsb/SEA01LA055.md): Grumman-Schweizer G-164A · Waitsburg, WA · Accident · Minor injuries · Limited investigation · Final report · Feb 28, 2001 · N48651 · Destroyed
  > The pilot's failure to maintain clearance from the power lines during a pull-up, resulting in an in-flight collision with the lines, loss of control and subsequent in-flight collision with terrain. Contributing factors were the power lines and the pilot's…
- [NTSB NYC01LA018](https://openairdocs.org/ntsb/NYC01LA018.md): North American AT-6G · Ridgeway, VA · Accident · No injuries · Limited investigation · Final report · Oct 14, 2000 · N5296V · Substantial damage
  > The pilot's failure to maintain proper runway alignment during the landing roll. A factor in this accident was a slight bend in the runway.
- [NTSB LAX00LA344](https://openairdocs.org/ntsb/LAX00LA344.md): Schweizer G-164B · Corcoran, CA · Accident · No injuries · Limited investigation · Final report · Sep 21, 2000 · N3626T · Substantial damage
  > The pilot's inadequate preflight inspection and his failure to maintain directional control during takeoff. Factors were the pilot's failure to ensure that the fuel tank cover was replaced properly, fuel contamination of the windscreen, and the sun angle that…
- [NTSB DEN00FA164](https://openairdocs.org/ntsb/DEN00FA164.md): North American SNJ-5 · Steamboat Spg, CO · Accident · 2 fatal · Field investigation · Final report · Sep 3, 2000 · N440JG · Destroyed
  > the pilot's inadvertent entry into a spin while performing aerobatics.
- [NTSB MIA00LA245](https://openairdocs.org/ntsb/MIA00LA245.md): Schweizer G-164A · Berlin, GA · Accident · No injuries · Limited investigation · Final report · Aug 23, 2000 · N8919H · Substantial damage
  > the pilot's failure to maintain adequate airspeed resulting in an inadvertent stall and collision with terrain.
- [NTSB CHI00LA257](https://openairdocs.org/ntsb/CHI00LA257.md): Ayres S2R-600 · Bad Axe, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 14, 2000 · N3103B · Destroyed
  > The inadvertent stall/spin encountered by the pilot. A factor was the low altitude.
- [NTSB CHI00LA247](https://openairdocs.org/ntsb/CHI00LA247.md): Schweizer G-164B · Wallace, NE · Accident · No injuries · Limited investigation · Final report · Aug 8, 2000 · N3629D · Substantial damage
  > the fractured number three exhaust push rod assembly and the unsuitable terrain encountered by the pilot.
- [NTSB SEA00LA148](https://openairdocs.org/ntsb/SEA00LA148.md): Air Tractor AT-301 · Brockway, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2000 · N4330S · Substantial damage
  > The pilot's failure to maintain clearance from power lines.
- [NTSB SEA00LA141](https://openairdocs.org/ntsb/SEA00LA141.md): Rockwell S-2R · Grand View, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 2000 · N4925X · Substantial damage
  > Internal deterioration of a fuel line, resulting in loss of engine power. Factors included obstruction of the fuel line, fuel starvation, and a fence in the forced landing area.
- [NTSB FTW00LA212](https://openairdocs.org/ntsb/FTW00LA212.md): Air Tractor AT-401 · Panhandle, TX · Accident · 1 fatal · Limited investigation · Final report · Jul 18, 2000 · N6055W · Destroyed
  > The pilot's failure to maintain airspeed, which resulted in a stall.
- [NTSB FTW00LA210](https://openairdocs.org/ntsb/FTW00LA210.md): Grumman-Schweizer G-164B · Ville Platte, LA · Accident · 1 fatal · Limited investigation · Final report · Jul 15, 2000 · N428KG · Destroyed
  > The loss of control for an undetermined reason.
- [NTSB FTW00LA209](https://openairdocs.org/ntsb/FTW00LA209.md): Grumman-Schweizer G-164B · Kaplan, LA · Accident · No injuries · Limited investigation · Final report · Jul 13, 2000 · N8151K · Substantial damage
  > The loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX00LA261](https://openairdocs.org/ntsb/LAX00LA261.md): Grumman G-164A · Gridley, CA · Accident · No injuries · Limited investigation · Final report · Jul 11, 2000 · N897X · Substantial damage
  > A partial loss of engine power due to the failure of an exhaust valve during an aerial application flight.
- [NTSB LAX00LA254](https://openairdocs.org/ntsb/LAX00LA254.md): North American AT-6F · Grass Valley, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 2000 · N7475C · Substantial damage
  > failure of the pilot to maintain directional control during the landing roll resulting in a collision with terrain.
- [NTSB FTW00LA186](https://openairdocs.org/ntsb/FTW00LA186.md): Rockwell S-2R · Hondo, TX · Accident · No injuries · Limited investigation · Final report · Jun 27, 2000 · N4917X · Substantial damage
  > The fuel exhaustion due to the pilot's failure to refuel the airplane. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA168](https://openairdocs.org/ntsb/FTW00LA168.md): Air Tractor AT-301 · Garwood, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 2000 · N8886S · Substantial damage
  > the loss of engine power in cruise flight as a result of the failure of the right magneto. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA162](https://openairdocs.org/ntsb/FTW00LA162.md): Air Tractor AT-401B · Thibodaux, LA · Accident · Serious injuries · Limited investigation · Final report · Jun 1, 2000 · N5028Q · Substantial damage
  > The pilot's failure to maintain clearance with the power lines while maneuvering during an aerial application flight. A factor was the sunglare on the windscreen.
- [NTSB FTW00LA159](https://openairdocs.org/ntsb/FTW00LA159.md): Air Tractor AT-301 · Garwood, TX · Accident · Minor injuries · Limited investigation · Final report · May 30, 2000 · N8594S · Substantial damage
  > The failure of the supercharger seal resulting in the loss of engine power. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA00LA168](https://openairdocs.org/ntsb/MIA00LA168.md): Grumman G-164B · Monticello, MS · Accident · No injuries · Limited investigation · Final report · May 22, 2000 · N6744K · Substantial damage
  > The failure of the pilot to maintain directional control during takeoff into crosswind conditions resulting in the collision with trees. A factor in the accident was the pilot's lack of familiarity with the aircraft.
- [NTSB LAX00LA199](https://openairdocs.org/ntsb/LAX00LA199.md): Grumman G-164A · Biggs, CA · Accident · No injuries · Limited investigation · Final report · May 18, 2000 · N5335 · Substantial damage
  > The broken exhaust valve rocker arm of the number 3 cylinder that resulted in a total loss of engine power during an aerial application flight.
- [NTSB SEA00LA082](https://openairdocs.org/ntsb/SEA00LA082.md): Gulfstream-Schweizer G-164B · Ephrata, WA · Accident · No injuries · Limited investigation · Final report · May 4, 2000 · N8130K · Substantial damage
  > Loss of engine power due to failure of the number three cylinder exhaust valve push rod. Soft terrain encountered during the landing roll-out was a factor.
- [NTSB LAX00LA162](https://openairdocs.org/ntsb/LAX00LA162.md): Schweizer G-164B · Lodi, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 2000 · N3629F · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ATL00LA044](https://openairdocs.org/ntsb/ATL00LA044.md): Air Tractor AT-301 · Colquitt, GA · Accident · No injuries · Limited investigation · Final report · Apr 20, 2000 · N8899S · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB SEA00LA059](https://openairdocs.org/ntsb/SEA00LA059.md): Aero Commander S2R · Odessa, WA · Accident · No injuries · Limited investigation · Final report · Mar 31, 2000 · N3662X · Substantial damage
  > Disintegration of a lining of the right brake and subsequent lodging of brake lining debris between the brake housing and brake disc, resulting in seizure of the right brake. A factor was that directional control was not possible.
- [NTSB FTW00LA097](https://openairdocs.org/ntsb/FTW00LA097.md): Grumman-Schweizer G-164A · Gillett, AR · Accident · No injuries · Limited investigation · Final report · Mar 13, 2000 · N9785 · Substantial damage
  > The cracked #8 cylinder resulting in failure of the cylinder. A factor was the plowed/furrowed terrain.
- [NTSB LAX00LA105](https://openairdocs.org/ntsb/LAX00LA105.md): Ayres · Elko, NV · Accident · Minor injuries · Limited investigation · Final report · Feb 18, 2000 · N4011Y · Substantial damage
  > the loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the ensuing forced landing.
- [NTSB FTW00LA074](https://openairdocs.org/ntsb/FTW00LA074.md): Air Tractor AT-401 · Rayville, LA · Accident · No injuries · Limited investigation · Final report · Jan 25, 2000 · N91968 · Substantial damage
  > The loss of engine power due to a crack in the #6 cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA012](https://openairdocs.org/ntsb/FTW00LA012.md): Air Tractor AT-301 · Olton, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1999 · N23930 · Substantial damage
  > The inflight separation of the propeller blade due to damage from a wire strike. A factor was the lack of suitable terrain for the forced landing.
- [NTSB DEN99LA169](https://openairdocs.org/ntsb/DEN99LA169.md): Schweizer G-164A · Animas, NM · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1999 · N8731H · Substantial damage
  > A inadvertent stall during initial climb following takeoff. Factor were: high gross weight, high density altitude, inadequate preflight planning and preparation, and soft terrain.
- [NTSB LAX99LA312](https://openairdocs.org/ntsb/LAX99LA312.md): Rockwell S-2R · Acampo, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1999 · N4168X · Destroyed
  > The pilot's failure to maintain runway alignment, which resulted in the aircraft encountering high vegetation, the loss of directional control, and collision with trees.
- [NTSB ATL99LA129](https://openairdocs.org/ntsb/ATL99LA129.md): Air Tractor AT-401 · Caledonia, MS · Accident · No injuries · Limited investigation · Final report · Sep 13, 1999 · N45205 · Substantial damage
  > The failure of the fuel control gear train due to oil contamination. A factor was Inadequate maintenance.
- [NTSB FTW99LA252](https://openairdocs.org/ntsb/FTW99LA252.md): Grumman-Schweizer G-164A · Seminole, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 1999 · N7362 · Destroyed
  > The pilot's failure to maintain clearance with powerlines. A factor was the pilot's diverted attention to the light bar for the electronic swath guidance system installed in the airplane.
- [NTSB DEN99LA155](https://openairdocs.org/ntsb/DEN99LA155.md): North American SNJ-4 (AT-6) · Mack, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 1999 · N7011C · Substantial damage
  > The pilot misjudging his distance and altitude from the runway. A factor was the tall crops.
- [NTSB FTW99LA239](https://openairdocs.org/ntsb/FTW99LA239.md): Air Tractor AT-401 · Hart, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1999 · N15119 · Substantial damage
  > The pilot's failure to maintain clearance with power lines.
- [NTSB FTW99LA225](https://openairdocs.org/ntsb/FTW99LA225.md): Rockwell S-2R · Dermott, AR · Accident · No injuries · Limited investigation · Final report · Aug 16, 1999 · N4896X · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW99LA220](https://openairdocs.org/ntsb/FTW99LA220.md): Air Tractor AT-401 · Humphrey, AR · Accident · No injuries · Limited investigation · Final report · Aug 12, 1999 · N1031Q · Substantial damage
  > Fuel exhaustion as a result of the pilot's failure to refuel the airplane.
- [NTSB FTW99LA218](https://openairdocs.org/ntsb/FTW99LA218.md): Grumman-Schweizer G-164B · Ferriday, LA · Accident · No injuries · Limited investigation · Final report · Aug 12, 1999 · N8253K · Substantial damage
  > The pilot's failure to refuel the airplane 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 CHI99LA287](https://openairdocs.org/ntsb/CHI99LA287.md): Rockwell S-2R · Garden City, KS · Accident · No injuries · Limited investigation · Final report · Aug 11, 1999 · N4923X · Substantial damage
  > The pilot's misjudging his pull-up maneuver resulting in contact with the wire. A contributing factor was the wire.
- [NTSB MIA99LA212](https://openairdocs.org/ntsb/MIA99LA212.md): Air Tractor AT-401 · Moore Haven, FL · Accident · No injuries · Limited investigation · Final report · Aug 2, 1999 · N15585 · Substantial damage
  > The pilot exceeding the gross takeoff weight which reduced the climb capability and subsequent in-flight collision with terrain. Contributing to the accident was the high temperature and the pilot's failure to use aircraft performance data for the weather…

Next page: https://openairdocs.org/ntsb.md?engine=52016&page=11

## 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=10

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