# Fatal NTSB investigations: 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 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 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…
- [NTSB NYC89FA032](https://openairdocs.org/ntsb/NYC89FA032.md): Mooney M20K · Holden, MA · Accident · 1 fatal · Field investigation · Final report · Nov 16, 1988 · N1170Z · Destroyed
  > Inflight loss of control due to spatial disorientation and contact with trees prior to regaining control after the pilot experienced an unknown problem with the autopilot. Contributing was the lack of recent night experience.
- [NTSB DEN88FA202](https://openairdocs.org/ntsb/DEN88FA202.md): Beech 200 · Jackson, WY · Accident · 1 fatal · Field investigation · Final report · Sep 12, 1988 · N1283 · Destroyed
  > The plt and his two pax had just arrived at the Jackson hole airport (jax) approximately 30 minutes prior to the accident. The plt dropped off his pax and stepped into operations for a short break. He then returned to the acft by himself for a return flt to…
- [NTSB DEN88GA185](https://openairdocs.org/ntsb/DEN88GA185.md): Cessna 182R · Georgetown, CO · Accident · 1 fatal · Final report · Aug 12, 1988 · N9545H · Substantial damage
- [NTSB DEN87FA234](https://openairdocs.org/ntsb/DEN87FA234.md): Piper PA-12-150 · Anaconda, MT · Accident · 2 fatal · Field investigation · Final report · Sep 8, 1987 · N7695H · Destroyed
  > Both plts were reportedly avid big horn sheep hunters. On the morning of the accident, the 2nd plt picked up topographical charts of the area where the acft crashed. It was an area where the Montana department of fish, wildlife, and parks (fwp) had recently…
- [NTSB LAX87FA087](https://openairdocs.org/ntsb/LAX87FA087.md): Cessna 208 · Cima, CA · Accident · 1 fatal · Field investigation · Final report · Jan 16, 1987 · N9613F · Destroyed
  > While on a day/vfr flt from ontario, CA to las vegas, NV, the acft collided with mountainous terrain near the top of a 6500' peak. Radar data showed that aprx 20 min before the acdnt, the acft began a gradual dscnt from about 10,000'. No preimpact part…
- [NTSB ATL87FA030](https://openairdocs.org/ntsb/ATL87FA030.md): Piper Aerostar 601P · Clinton, NC · Accident · 4 fatal · Field investigation · Final report · Nov 26, 1986 · N122FP · Destroyed
  > While en route on an IFR flt plan at FL180, the plt acknowledged instructions to dscnd to 16,000'. Later, the radar controller (cltr) noticed the acft had deviate fm course & was not replying with mode 'c' alt info. The ctlr reqd alt info & the plt responded,…
- [NTSB NYC86MA148](https://openairdocs.org/ntsb/NYC86MA148.md): Sikorsky S-76B · Sutton, MA · Accident · 4 fatal · Major investigation · Final report · Jun 6, 1986 · N5AZ · Destroyed
  > About 16 min after takeoff, while cruising at 6000' MSL in IMC, the plt transmitted 'Sikorsky 507' (call sign of acft hefrequently flew). The ATC ctlr was talking to another flt & did not respond. About 1 min later, rdo & radar contact werelost & the…
- [NTSB LAX84FA429](https://openairdocs.org/ntsb/LAX84FA429.md): Bellanca 7ECA · Julian, CA · Accident · 1 fatal · Field investigation · Final report · Aug 4, 1984 · N5516K · Destroyed
  > After takeoff several 360 deg climbing turns were made to gain alt to clear the mountain ridge. The ridge was approached at 4800 ft MSL with the plt expecting a thermal lift over the 5500 ft level which had been encountered many times before. At 4800 ft MSL…
- [NTSB DCA83AA022](https://openairdocs.org/ntsb/DCA83AA022.md): Mitsubishi MU-2B-60 · Jeffersonville, GA · Accident · 4 fatal · Final report · Mar 24, 1983 · N72B · Destroyed
  > The acft was on the return portion of a round trip flt, hauling canceled bank checks. When they boarded before takeoff, the plt's wife, who was not a plt, occupied the r front seat & his 2 daughter's, ages 4 & 6, were in the passenger seats. Previous legs of…

## 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."highestInjuryLevel" = 'Fatal'
  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?fatal=1&occurrence=110

---
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.