# NTSB investigations, 1991, NH

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 NYC92LA045](https://openairdocs.org/ntsb/NYC92LA045.md): Cessna 152 · Orford, NH · Accident · No injuries · Limited investigation · Final report · Dec 11, 1991 · N48156 · Substantial damage
  > The student pilot became lost and disoriented.
- [NTSB NYC92LA010](https://openairdocs.org/ntsb/NYC92LA010.md): Balloon Works Firefly 7 · Webster, NH · Accident · 1 fatal · Limited investigation · Final report · Oct 19, 1991 · N4051L · Substantial damage
  > Failure of the ground crewman (from another Balloon) to recognize the hazardous condition that existed, when the Balloon came in contact with a high voltage power line during a precautionary landing. Factors related to the accident were: the lack of suitable…
- [NTSB NYC91LA253](https://openairdocs.org/ntsb/NYC91LA253.md): North American T-6G · Manchester, NH · Accident · No injuries · Limited investigation · Final report · Sep 29, 1991 · N3167G · Substantial damage
  > The pilot's failure to maintain control. A factor was the unforecasted strong cross winds.
- [NTSB NYC91DNC05](https://openairdocs.org/ntsb/NYC91DNC05.md): Homebuilt Avid Flyer · Keene, NH · Accident · No injuries · Final report · Sep 6, 1991 · N91JK · Substantial damage
  > A loss of control due to improper use of the flight controls. Factors related to the accident were the pilot's lack of experience in make and model.
- [NTSB NYC91LA221](https://openairdocs.org/ntsb/NYC91LA221.md): Grumman AA5B · Hampton, NH · Accident · No injuries · Limited investigation · Final report · Aug 25, 1991 · N4518B · Substantial damage
  > The pilot rotated the airplane prematurely, resulting in an inadvertent stall at too low an altitude to allow recovery. Factors related to the accident were, the pilot's complacency, failure to determine the airplane's performance capabilities prior to take…
- [NTSB NYC91DNC04](https://openairdocs.org/ntsb/NYC91DNC04.md): Laurent A. Cloutier BD-5B · Gilford, NH · Accident · Minor injuries · Final report · Aug 3, 1991 · N245BD · Substantial damage
  > Engine failure due to a faulty oil pressure relief valve resulting in an emergency landing on unsuitable terrain.
- [NTSB NYC91LA200](https://openairdocs.org/ntsb/NYC91LA200.md): Piper PA-12 · Alton, NH · Accident · No injuries · Limited investigation · Final report · Aug 1, 1991 · N4436M · Substantial damage
  > The pilot's improper use of carburetor heat, which resulted in a loss of engine power.
- [NTSB NYC91LA177](https://openairdocs.org/ntsb/NYC91LA177.md): Cessna L-19 · Franconia, NH · Accident · No injuries · Limited investigation · Final report · Jul 9, 1991 · N5237G · Destroyed
  > The failure of the pilot to maintain airspeed, which resulted in a stall/spin and in flight collision with trees. Factors related to the accident were the improper in-flight planning by the pilot and the pilot's failure to compensate for winds and downdraft.
- [NTSB NYC91LA141](https://openairdocs.org/ntsb/NYC91LA141.md): Champion 7KCAB · Ossipee, NH · Accident · Minor injuries · Limited investigation · Final report · May 25, 1991 · N6342N · Substantial damage
  > An inadequate annual inspection by the mechanic which resulted in the inflight failure of the elevator control cable.
- [NTSB BFO91FA049](https://openairdocs.org/ntsb/BFO91FA049.md): Cessna 172N · Lebanon, NH · Accident · 1 fatal · Field investigation · Final report · May 17, 1991 · N4650G · Destroyed
  > The pilot's failure to maintain adequate terrain clearance. Contributing was mountainous terrain, low clouds, and VFR flight into IMC.
- [NTSB NYC91LA117](https://openairdocs.org/ntsb/NYC91LA117.md): Aeronca 7AC · Whitefield, NH · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 1991 · N1303E · Substantial damage
  > Inadequate compensation for wind conditions by the pilot which resulted in a loss of directional control. A factor contributing to the accident was the gusty wind conditions.
- [NTSB NYC91LA084](https://openairdocs.org/ntsb/NYC91LA084.md): Cessna 210 · East Swanzey, NH · Accident · Minor injuries · Limited investigation · Final report · Mar 7, 1991 · N747IE · Substantial damage
  > The pilot's lack of familiarity with this airplane and his inadequate preflight, which resulted in miscalculations of fuel consumption and subsequent fuel exhaustion. Factors related to this accident were: the leaking of fuel caps, the inaccurate fuel…
- [NTSB NYC91LA081](https://openairdocs.org/ntsb/NYC91LA081.md): Cessna 172P · Nashua, NH · Accident · No injuries · Limited investigation · Final report · Mar 1, 1991 · N97313 · Substantial damage
  > The failure of the pilot to compensate for wind conditions during landing, resulting in a loss of control and collision with a tree.
- [NTSB NYC91LA070](https://openairdocs.org/ntsb/NYC91LA070.md): Cessna 172M · Nashua, NH · Accident · No injuries · Limited investigation · Final report · Feb 2, 1991 · N13341 · Substantial damage
  > Fuel system contamination by other personnel which resulted in an inflight engine failure and a subsequent forced landing in unsuitable terrain.
- [NTSB NYC91FA060](https://openairdocs.org/ntsb/NYC91FA060.md): Mooney M20J · Brookline, NH · Accident · 2 fatal · Field investigation · Final report · Jan 17, 1991 · N804DW · Destroyed
  > The failure of the flight instructor (CFI) to attain remedial action after control of the airplane was lost for an unknown reason.

## 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") = 1991
  AND c."eventStateOrRegion" = 'NH' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=NH&year=1991

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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.