# NTSB investigations, 1996, 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 CHI97FA024](https://openairdocs.org/ntsb/CHI97FA024.md): Cessna 177B · Chancellor, SD · Accident · 1 fatal · Field investigation · Final report · Nov 5, 1996 · N34994 · Destroyed
  > the pilot's attempted flight with known deficiencies in equipment, his initiating VFR flight into IMC conditions, his spatial disorientation and loss of control of the airplane. Factors were fog, dark night, and inoperative directional gyro.
- [NTSB CHI97LA004](https://openairdocs.org/ntsb/CHI97LA004.md): Bell 47G-5 · Nunda, SD · Accident · No injuries · Limited investigation · Final report · Oct 6, 1996 · N7925J · Substantial damage
  > failure of maintenance personnel to properly torque the six accessory drive bolts, which resulted in fatigue failure of the undertorqued bolts.
- [NTSB CHI96LA295](https://openairdocs.org/ntsb/CHI96LA295.md): Beech V35 · Custer, SD · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1996 · N2055V · Destroyed
  > loss of engine power for undetermined reason(s). The terrain condition beyond the end of the runway was a related factor.
- [NTSB CHI96LA285](https://openairdocs.org/ntsb/CHI96LA285.md): Ramesbotham CH701 · N. Sioux City, SD · Accident · No injuries · Limited investigation · Final report · Aug 11, 1996 · N4053G · Substantial damage
  > the pilot's delay in switching fuel tanks which resulted in fuel starvation. Factors associated with the accident were the low altitude at which the loss of engine power occurred and the powerline which was contacted.
- [NTSB CHI96LA274](https://openairdocs.org/ntsb/CHI96LA274.md): Beech 35 · Yankton, SD · Accident · No injuries · Limited investigation · Final report · Aug 3, 1996 · N3392V · Substantial damage
  > an improper in-flight decision by the pilot when he shut the engine off as the airplane approached the landing runway. Factors associated with this accident were an inadequate maintenance inspection by the mechanic when the actuating arm fracture was not…
- [NTSB CHI96LA240](https://openairdocs.org/ntsb/CHI96LA240.md): Sauder Avid Flyer HH · Stoneville, SD · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1996 · N399S · Substantial damage
  > loss of engine power for undetermined reason(s). A factor relating to the accident was: rough/uneven terrain in the emergency landing area.
- [NTSB CHI96LA241](https://openairdocs.org/ntsb/CHI96LA241.md): Cessna 150 · Parker, SD · Accident · No injuries · Limited investigation · Final report · Jul 12, 1996 · N50104 · Destroyed
  > engine compartment fire from accumulated fuel in the carburetor, and failure of the pilot to follow the emergency checklist procedure.
- [NTSB CHI96LA229](https://openairdocs.org/ntsb/CHI96LA229.md): Hewitt Cassutt 3M · Vermillion, SD · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 1996 · N290E · Substantial damage
  > the failure of the unapproved fuel pump.
- [NTSB CHI96LA197](https://openairdocs.org/ntsb/CHI96LA197.md): Grumman American AA-1C · Custer, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 8, 1996 · N39048 · Substantial damage
  > the pilot did not maintain aircraft control or abort the takeoff. The factors involved were the pilot encountered a stall/mush condition, exhaust valves were leaking, low compression on all cylinders, and all pistons were scored.
- [NTSB CHI96LA167](https://openairdocs.org/ntsb/CHI96LA167.md): Air Tractor AT401 · Letcher, SD · Accident · No injuries · Limited investigation · Final report · May 20, 1996 · N1019X · Substantial damage
  > the pilot's inadequate evaluation of the severe weather condition. A factor was the weather conditions.
- [NTSB CHI96FA133](https://openairdocs.org/ntsb/CHI96FA133.md): Beech F-33A · Prairie City, SD · Accident · 1 fatal · Field investigation · Final report · Mar 22, 1996 · N5563X · Destroyed
  > the pilot's failure to maintain control of the airplane. A factor was pilot fatigue.

## 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") = 1996
  AND c."eventStateOrRegion" = 'SD' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=SD&year=1996

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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.