# NTSB investigations: Lycoming 0-540 series, SD

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 GAA16LA128](https://openairdocs.org/ntsb/GAA16LA128.md): Piper PA24 · Sturgis, SD · Accident · Serious injuries · Limited investigation · Final report · Feb 12, 2016 · N6691P · Substantial damage
  > The pilot's failure to execute the published missed approach procedure in a timely manner, which resulted in collision with a light pole and subsequent impact with terrain.
- [NTSB CEN15CA001](https://openairdocs.org/ntsb/CEN15CA001.md): Piper PA 25-235 · Yankton, SD · Accident · No injuries · Data collection · Final report · Oct 1, 2014 · N6659Z · Substantial damage
  > The pilot's improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN11LA581](https://openairdocs.org/ntsb/CEN11LA581.md): Piper PA-25-235 · Whitewood, SD · Accident · 1 fatal · Limited investigation · Final report · Aug 20, 2011 · N7051Z · Substantial damage
  > The pilot's collision with terrain for undetermined reasons.
- [NTSB CEN11LA405](https://openairdocs.org/ntsb/CEN11LA405.md): Piper PA-25-235 · Faith, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2011 · N7018Z · Substantial damage
  > The pilot's improper turn while maneuvering during an agricultural application flight, which resulted in an inadvertent aerodynamic stall at low altitude.
- [NTSB CHI08CA121](https://openairdocs.org/ntsb/CHI08CA121.md): Piper PA-32-260 · Vermillion, SD · Accident · No injuries · Data collection · Final report · Apr 18, 2008 · N32394 · Substantial damage
  > The pilot's failure to adequately compensate for the crosswind condition. Contributing to the accident were the crosswind and the soft terrain.
- [NTSB CHI05LA261](https://openairdocs.org/ntsb/CHI05LA261.md): Piper PA-28-235 · Faulkton, SD · Accident · 1 fatal · Limited investigation · Final report · Sep 9, 2005 · N8523W · Destroyed
  > The pilot's failure to maintain control of the airplane due to spatial disorientation during initial climb after takeoff into night instrument meteorological conditions. Factors were the fog and the dark night.
- [NTSB CHI03LA227](https://openairdocs.org/ntsb/CHI03LA227.md): Ullrich Auriga FT · Aberdeen, SD · Accident · 1 fatal · Limited investigation · Final report · Jul 27, 2003 · N512EA · Destroyed
  > A loss of engine power due to the lack of design fuel pressure for undetermined reasons.
- [NTSB CHI94FA155](https://openairdocs.org/ntsb/CHI94FA155.md): Maule M-7-235 · Mcintosh, SD · Accident · 2 fatal · Field investigation · Final report · May 2, 1994 · N525GS · Destroyed
  > VFR flight by the non-instrument rated pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude (or clearance) from rising terrain. Factors related to the accident were: failure of the pilot to update his weather…
- [NTSB CHI92DTK03](https://openairdocs.org/ntsb/CHI92DTK03.md): Piper PA-25-235/250 · Ramona, SD · Accident · Serious injuries · Final report · Jun 24, 1992 · N4601Y · Destroyed
  > Failure of the pilot to maintain a visual lookout while maneuvering during aerial application of agricultural chemicals.
- [NTSB CHI92DTK01](https://openairdocs.org/ntsb/CHI92DTK01.md): Piper PA-25-235 · Iroquois, SD · Accident · 1 fatal · Final report · May 18, 1992 · N4427Y · Destroyed
  > An improper maneuver and failure to attain level off by the pilot in command while performing aerial application.
- [NTSB DEN90LA131](https://openairdocs.org/ntsb/DEN90LA131.md): Piper PA-25-235 · Andover, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 1990 · N7136Z · Destroyed
  > The pilot's failure to maintain proper clearance during the swath run.
- [NTSB DEN86FTK04](https://openairdocs.org/ntsb/DEN86FTK04.md): Piper PA-25-235 · Clear Lake, SD · Accident · Serious injuries · Final report · Aug 7, 1986 · N7121Z · Destroyed
  > There was a power line across the approach to the field being treated. The plt reports that he got too low during the flare out for entry to the swath run. The wheels contacted the sunflower crop and the acft impacted the ground. A fire developed during…
- [NTSB DEN86LA204](https://openairdocs.org/ntsb/DEN86LA204.md): Piper PA-25-260 · Sisseton, SD · Accident · No injuries · Limited investigation · Final report · Jul 22, 1986 · N8629L · Substantial damage
  > The plt reported that the eng lost about 200 RPM during the takeoff roll and he decided to abort. During the abort the plt swerved to avoid a fence at the end of the rwy and the acft slid sideways collapsing the lt MLG. Investigation revealed a broken…
- [NTSB DEN83LA155](https://openairdocs.org/ntsb/DEN83LA155.md): Piper PA-25-235 · Brandt, SD · Accident · Minor injuries · Limited investigation · Final report · Jul 1, 1983 · N7121Z · Substantial damage
  > The acft was damaged in a forced landing after its eng lost power during pull-up from the last (cleanup) swath run. APRX25 min before the acdnt flt, the plt landed to reload with chemicals. The owner stated that when the plt was asked if hewanted fuel, he…
- [NTSB DEN81FTK24](https://openairdocs.org/ntsb/DEN81FTK24.md): Piper PA-28 · Custer, SD · Accident · No injuries · Closed · Sep 28, 1981 · N15358 · Substantial damage
- [NTSB MKC79FTK20](https://openairdocs.org/ntsb/MKC79FTK20.md): Piper PA-25 · Belvidere, SD · Accident · No injuries · Closed · Jul 15, 1979 · N8628L · Substantial damage
- [NTSB MKC78FTK25](https://openairdocs.org/ntsb/MKC78FTK25.md): Piper PA-25 · Sisseston, SD · Accident · No injuries · Closed · Jul 9, 1978 · N9882P · Substantial damage
- [NTSB MKC76FTK28](https://openairdocs.org/ntsb/MKC76FTK28.md): Piper PA-25 · Sturgis, SD · Accident · Minor injuries · Closed · Jun 11, 1976 · N7500Z · Destroyed
- [NTSB MKC72FTK02](https://openairdocs.org/ntsb/MKC72FTK02.md): Piper PA-25 · Dixon, SD · Accident · No injuries · Closed · Aug 9, 1971 · N7579Z · Substantial damage
- [NTSB MKC71AK031](https://openairdocs.org/ntsb/MKC71AK031.md): Piper PA-28 · Rapid City, SD · Accident · Minor injuries · Closed · Dec 1, 1970 · N8569W · Substantial damage
- [NTSB MKC70FDQ09](https://openairdocs.org/ntsb/MKC70FDQ09.md): Callair A-9 · Madison, SD · Accident · 1 fatal · Closed · Jun 11, 1970 · N9653Z · Destroyed
- [NTSB MKC70D0102](https://openairdocs.org/ntsb/MKC70D0102.md): Piper PA-25 · Doland, SD · Accident · No injuries · Closed · Aug 4, 1969 · N4897Y · Substantial damage
- [NTSB MKC69F0446](https://openairdocs.org/ntsb/MKC69F0446.md): Callair A-9 · Kadoka, SD · Accident · No injuries · Closed · May 5, 1969 · N9653Z · Substantial damage
- [NTSB MKC69D0034](https://openairdocs.org/ntsb/MKC69D0034-201087.md): Piper PA-25 · Platte, SD · Accident · No injuries · Closed · May 29, 1968 · N6568Z · Substantial damage
- [NTSB MKC68F0446](https://openairdocs.org/ntsb/MKC68F0446.md): Piper PA-24 · Mud Butte, SD · Accident · No injuries · Closed · Feb 1, 1968 · N6968P · Substantial damage
- [NTSB MKC68A0010](https://openairdocs.org/ntsb/MKC68A0010.md): Piper PA-24 · Belle Forch, SD · Accident · 3 fatal · Closed · Aug 3, 1967 · N8064P · Destroyed
- [NTSB MKC67F0136](https://openairdocs.org/ntsb/MKC67F0136.md): Helio H-250 · Hot Springs, SD · Accident · No injuries · Closed · Jul 22, 1966 · N6318V · Substantial damage
- [NTSB MKC66F0270](https://openairdocs.org/ntsb/MKC66F0270.md): Piper PA-24 · Wagner, SD · Accident · No injuries · Closed · Oct 16, 1965 · N7440P · 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" = 'SD' 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 ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41532&state=SD

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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.