# NTSB investigations: Pratt & Whitney R1340 series, 2001

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.

## Latest cases

- [NTSB LAX02LA034](https://openairdocs.org/ntsb/LAX02LA034.md): Air Tractor AT-401B · Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Nov 30, 2001 · N9186J · 2 aircraft · No damage
  > the failure of the AT-401 pilot to maintain clearance with the AT-402 airplane during landing. Contributing factors were the unreliable communication radio in the AT-401, the AT-401 pilot's continued flight with known communication radio problems, and the…
- [NTSB LAX02LA014](https://openairdocs.org/ntsb/LAX02LA014.md): North American SNJ-5 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Oct 23, 2001 · N3246G · Substantial damage
  > The pilot's inadequate compensation for an existing crosswind condition, and failure to maintain directional control on the landing rollout.
- [NTSB FTW02LA020](https://openairdocs.org/ntsb/FTW02LA020.md): Air Tractor AT-301 · Morton, TX · Accident · 1 fatal · Limited investigation · Final report · Oct 22, 2001 · N4395S · Destroyed
  > The pilot's loss of control of the airplane during an aerial application maneuver.
- [NTSB ATL02LA007](https://openairdocs.org/ntsb/ATL02LA007.md): North American SNJ-6 · Kissimmee, FL · Accident · No injuries · Limited investigation · Final report · Oct 20, 2001 · N453WA · 2 aircraft · Minor damage
  > See narrative for ATL02LA007A.
- [NTSB FTW01LA209](https://openairdocs.org/ntsb/FTW01LA209.md): Grumman G-164A · Eagle Lake, TX · Accident · No injuries · Limited investigation · Final report · Sep 19, 2001 · N73PB · Destroyed
  > the partial loss of engine power for an undetermined reason, which resulted in an in flight collision with trees and terrain.
- [NTSB ANC01LA138](https://openairdocs.org/ntsb/ANC01LA138.md): de Havilland DHC-3 · Cordova, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 2001 · N254AW · Substantial damage
  > The loss of engine power during cruise due to the fracture of an engine cylinder exhaust valve.
- [NTSB CHI01LA300](https://openairdocs.org/ntsb/CHI01LA300.md): Grumman-Schweizer G-164B · Atlantic, IA · Accident · No injuries · Limited investigation · Final report · Sep 3, 2001 · N6598K · Destroyed
  > The loss of engine power for undetermined reasons during the takeoff and initial climb, and the unsuitable terrain encountered during the forced landing. Factors relating to this accident were the corn crop and the low altitude.
- [NTSB ATL01LA100](https://openairdocs.org/ntsb/ATL01LA100.md): Rockwell S2R · Bentonia, MS · Accident · No injuries · Limited investigation · Final report · Aug 29, 2001 · N8438V · Substantial damage
  > The loss of engine power due to the loss of throttle cable continunity. The throttle cable linkage was worn beyond servicable limits. A factor was uneven terrain at the emergency landing site.
- [NTSB ATL01LA099](https://openairdocs.org/ntsb/ATL01LA099.md): Air Tractor AT-401 · Batesville, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 2001 · N91922 · Destroyed
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for an emergency landing.
- [NTSB FTW01LA184](https://openairdocs.org/ntsb/FTW01LA184.md): Rockwell S-2R · Fabens, TX · Accident · No injuries · Limited investigation · Final report · Aug 17, 2001 · N4890X · Substantial damage
  > the pilot's inadequate preflight resulting in loss of engine power due to fuel exhaustion. A contributing factor was the power line.
- [NTSB CHI01LA286](https://openairdocs.org/ntsb/CHI01LA286.md): Grumman-Schweizer G-164A · Petersburg, NE · Accident · No injuries · Limited investigation · Final report · Aug 16, 2001 · N4598 · Substantial damage
  > The failure of the engine cylinder, and the unsuitable terrain for landing encountered by the pilot. Factors were the low altitude and the muddy field.
- [NTSB FTW01LA178](https://openairdocs.org/ntsb/FTW01LA178.md): Air Tractor AT-401 · Grand Coteau, LA · Accident · No injuries · Limited investigation · Final report · Aug 9, 2001 · N10140 · Substantial damage
  > the loss of engine power while maneuvering, which resulted from a fractured #4 cylinder head at the exhaust valve rocker arm boss. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA01LA146](https://openairdocs.org/ntsb/SEA01LA146.md): Rockwell S-2R · Latah, WA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2001 · N4237X · Substantial damage
  > the failure of a cylinder head exhaust rocker shaft boss while the aircraft was performing aerial application. Factors include soft terrain and a drop-off in the field where the emergency landing took place.
- [NTSB MIA01LA204](https://openairdocs.org/ntsb/MIA01LA204.md): Grumman-Schweizer G-164B · Edison, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 2001 · N6816Q · Substantial damage
  > Partial loss of engine power for undetermined reasons during takeoff resulting in the airplane descending, colliding with the ground, and nosing over.
- [NTSB CHI01LA251](https://openairdocs.org/ntsb/CHI01LA251.md): Aero Commander S2R · Pierre, SD · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2001 · N5551X · Destroyed
  > clearance not obtained by the pilot. A contributing factor was the transmission line.
- [NTSB CHI01IA246](https://openairdocs.org/ntsb/CHI01IA246.md): Air Tractor AT-401 · Kenesaw, NE · Incident · No injuries · Incident investigation · Final report · Jul 27, 2001 · N4553K · Minor damage
  > The propeller blade fatigue leading to its tip separating during an aerial application. Factors were no suitable terrain for an emergency landing, high vegetation, and soft terrain encountered during the emergency landing.
- [NTSB CHI01LA242](https://openairdocs.org/ntsb/CHI01LA242.md): Ag-Cat G-164B · Wallace, NE · Accident · No injuries · Limited investigation · Final report · Jul 26, 2001 · N80083 · Substantial damage
  > The inadequate preflight planning by the pilot, the pilot initiating the flight with an inadequate fuel supply, and the unsuitable terrain encountered during the forced landing. Factors were the fuel exhaustion, the low altitude and the soft field.
- [NTSB CHI01LA229](https://openairdocs.org/ntsb/CHI01LA229.md): Grumman-Schweizer G-164A · Dodge Center, MN · Accident · No injuries · Limited investigation · Final report · Jul 22, 2001 · N5398 · Destroyed
  > The pilot not maintaining directional control on the ground during the takeoff roll. Factors relating to this accident were the total failure of the propeller governor and the corn crop.
- [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…

## 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 year(c."eventDate") = 2001
  AND 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&year=2001

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.