# NTSB investigations: Pratt & Whitney R1340 series, KS

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 CEN17LA163](https://openairdocs.org/ntsb/CEN17LA163.md): Grumman Schweizer G-164 · Palmer, KS · Accident · No injuries · Limited investigation · Final report · Apr 17, 2017 · N9533 · Substantial damage
  > A crack in the cylinder of the radial engine, which resulted in a loss of engine power and a forced landing on unsuitable terrain.
- [NTSB CEN14CA427](https://openairdocs.org/ntsb/CEN14CA427.md): Air Tractor AT 401B · Cimarron, KS · Accident · Serious injuries · Data collection · Final report · Aug 13, 2014 · N9071Z · Substantial damage
  > The pilot's failure to maintain clearance from the antenna guy wire during an aerial application pass.
- [NTSB DFW08CA156](https://openairdocs.org/ntsb/DFW08CA156.md): Ayres S-2R · McDonald, KS · Accident · No injuries · Data collection · Final report · May 25, 2008 · N4002R · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff. Contributing to the accident was the soft terrain.
- [NTSB DFW08CA086](https://openairdocs.org/ntsb/DFW08CA086.md): Air Tractor At-301 · Plains, KS · Accident · No injuries · Data collection · Final report · Mar 26, 2008 · N4427S · Substantial damage
  > A loss of engine power as a result of a blocked carburetor. 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 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 CHI02LA206](https://openairdocs.org/ntsb/CHI02LA206.md): Air Tractor AT-401B · Pratt, KS · Accident · No injuries · Limited investigation · Final report · Jul 22, 2002 · N60747 · Substantial damage
  > The pilot's failure to maintain terrain clearance. A factor was low altitude flight.
- [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 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 CHI97LA126](https://openairdocs.org/ntsb/CHI97LA126.md): Grumman G-164A · Prairie View, KS · Accident · No injuries · Limited investigation · Final report · May 9, 1997 · N7859 · Substantial damage
  > an undetermined event, which resulted in loss of engine power. Factors relating to the accident were: an automobile, which prevented the pilot from landing on a road; and a dirt bank (terrace) in the emergency landing area.
- [NTSB CHI96LA258](https://openairdocs.org/ntsb/CHI96LA258.md): Air Tractor AT-301 · Liberal, KS · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 1996 · N8837S · Destroyed
  > the pilot did not maintain aircraft control. A factor was a low altitude flight maneuver was performed.
- [NTSB CHI96LA265](https://openairdocs.org/ntsb/CHI96LA265.md): Grumman G-164A · Macksville, KS · Accident · No injuries · Limited investigation · Final report · Jul 27, 1996 · N4630 · Substantial damage
  > failure of the pilot to allow the airplane to achieve sufficient airspeed for takeoff, and the resultant loss of aircraft control. Factors relating to the accident were: the rough runway, and the mound of dirt at the end of the runway.
- [NTSB CHI96LA217](https://openairdocs.org/ntsb/CHI96LA217.md): Air Tractor AT-301 · Ness City, KS · Accident · No injuries · Limited investigation · Final report · Jun 26, 1996 · N8883S · Substantial damage
  > the failure of a counterweight bolt in the propeller for reasons undetermined. Factors were the wet landing area and the encounter with unsuitable terrain during the forced landing.
- [NTSB CHI95LA198](https://openairdocs.org/ntsb/CHI95LA198.md): Air Tractor AT-301 · Hoxie, KS · Accident · No injuries · Limited investigation · Final report · Jun 11, 1995 · N23477 · Substantial damage
  > the loss of engine power due to the loose nut on the adjustment screw and the jammed exhaust valve on the number three cylinder. A factor in the accident was the ditch.
- [NTSB CHI94LA106](https://openairdocs.org/ntsb/CHI94LA106.md): Grumman G-164A · Sublette, KS · Accident · No injuries · Limited investigation · Final report · Mar 15, 1994 · N9686 · Substantial damage
  > the commercial pilot's failure to maintain clearance from terrain. Related factors are sun glare and rising terrain.
- [NTSB CHI91DCQ07](https://openairdocs.org/ntsb/CHI91DCQ07.md): Grumman G-164A · Sharon Springs, KS · Accident · No injuries · Final report · Jul 19, 1991 · N7964 · Substantial damage
  > Aircraft takeoff performance exceeded and disregard of performance data by the pilot. A factor associated with the accident is high density altitude.
- [NTSB MKC90LA128](https://openairdocs.org/ntsb/MKC90LA128.md): Air Tractor AT-301 · Ulysses, KS · Accident · No injuries · Limited investigation · Final report · Jun 15, 1990 · N3650Z · Substantial damage
  > Failure of the powerplant cylinder and stall/mush encountered by the pilot in command.
- [NTSB MKC86LA165](https://openairdocs.org/ntsb/MKC86LA165.md): Grumman G-164A · Hugoton, KS · Accident · No injuries · Limited investigation · Final report · Aug 2, 1986 · N8677H · Substantial damage
  > The PIC stated that the eng quit on takeoff abt 100 feet abv the gnd and 200 yds past the departure end of the rwy. The PIC stated that he had no warning prior to the engine quitting. The acft dscnd to the gnd, impacted hard and subsequently flipped over…
- [NTSB MKC85LA184](https://openairdocs.org/ntsb/MKC85LA184.md): Air Tractor AT301 · Oakley, KS · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 1985 · N8541S · Substantial damage
  > N8541S collided with a fence and crashed while attempting a forced landing. The plt reports that it took longer than expected to dispense his chemical load and he was critically low on fuel when he departed the working area for the arpt. He got to within 2…
- [NTSB MKC84LA231](https://openairdocs.org/ntsb/MKC84LA231.md): Aero Commander S2R · Garden City, KS · Accident · No injuries · Limited investigation · Final report · Jul 24, 1984 · N3669X · Substantial damage
  > The plt stated that after the acft was fueled he failed to visually check the fuel tanks and just assumed both tanks were full. He stated the left fuel gage had been inoperative above 1/2 tank of fuel. During a spray run, when the right tank reached 1/4, he…
- [NTSB MKC77FCQ44](https://openairdocs.org/ntsb/MKC77FCQ44.md): Grumman G-164A · Junction City, KS · Accident · No injuries · Closed · Jun 27, 1977 · N5396 · Substantial damage
- [NTSB MKC70F0198](https://openairdocs.org/ntsb/MKC70F0198.md): Boeing A75N1 · Basehor, KS · Accident · Serious injuries · Closed · Jul 6, 1969 · N61673 · Substantial damage

## 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."eventStateOrRegion" = 'KS' AND c."eventCountry" = 'USA'
  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&state=KS

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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.