# NTSB investigations, 1997: Altitude deviation,uncontrolled

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 IAD98LA014](https://openairdocs.org/ntsb/IAD98LA014.md): Jones Mini 500 · Bluefield, WV · Accident · Minor injuries · Limited investigation · Final report · Nov 27, 1997 · N8015E · Substantial damage
  > Pilot's unfamiliarity with reciprocating engine powered helicopter lead to a reduction in main rotor rpm and subsequent uncontrolled rate of descent with insufficient altitude to recover.
- [NTSB FTW98LA033](https://openairdocs.org/ntsb/FTW98LA033.md): Aerospatiale SA316B · Counselor, NM · Accident · Minor injuries · Limited investigation · Final report · Oct 28, 1997 · CFPWH · Substantial damage
  > the pilot inadvertently allowing the helicopter to settle with power.
- [NTSB CHI97LA285](https://openairdocs.org/ntsb/CHI97LA285.md): British Aerospace BAE-ATP · Peru, IL · Accident · Serious injuries · Limited investigation · Final report · Sep 7, 1997 · N855AW · No damage
  > sudden/unexpected encounter with clear air turbulence.
- [NTSB IAD97LA106](https://openairdocs.org/ntsb/IAD97LA106.md): Robinson R22 Beta · Willimantic, CT · Accident · No injuries · Limited investigation · Final report · Aug 6, 1997 · N717GT · Substantial damage
  > The student pilot misunderstood the flight instructor's instructions and reduced the engine power to idle, and the Certificated Flight Instructor's delayed remedial action.
- [NTSB IAD97FA060](https://openairdocs.org/ntsb/IAD97FA060.md): Cessna 337D · Hickory, PA · Accident · 1 fatal · Field investigation · Final report · Apr 1, 1997 · N2685S · Destroyed
  > Servicing of the pilots portable oxygen system with compressed air, which resulted in pilot incapacitation due to Hypoxia.
- [NTSB LAX97LA118](https://openairdocs.org/ntsb/LAX97LA118.md): Balloon Works AX-8B · Parker, AZ · Accident · Serious injuries · Limited investigation · Final report · Mar 1, 1997 · N9033H · No damage
  > the pilot's inadequate in-flight planning, which resulted in an excessive descent and subsequent hard landing, due to a drop in fuel pressure along with shifting winds at low altitude.
- [NTSB CHI97FA058](https://openairdocs.org/ntsb/CHI97FA058.md): Mooney M20J · Cottage Grove, MN · Accident · 2 fatal · Field investigation · Final report · Jan 21, 1997 · N1160G · Destroyed
  > failure of the pilot to maintain control of the airplane during an ILS approach. Factors relating to the accident were: the IFR weather conditions, the pilot's lack of recent instrument experience, and the pilot's lack of familiarity in flying the accident…

## 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") = 1997
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 110)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=110&year=1997

---
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.