# NTSB investigations, 1988: 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 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 NYC88IA246](https://openairdocs.org/ntsb/NYC88IA246.md): Boeing 747-100 · Georgetown, Guyana · Incident · Minor injuries · Incident investigation · Final report · Sep 21, 1988 · N9674 · No damage
  > Incident that led to the death of the passenger in row #6 was apparently not related to turbulence, because the passenger died of choking two hours after the turbulence encounter.
- [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 CHI88DER10](https://openairdocs.org/ntsb/CHI88DER10.md): Anderson-Tucker Evans VP-1 · Duquette, MN · Accident · No injuries · Final report · Jun 20, 1988 · N17BL · Substantial damage
  > On the initial flight of this amateur built aircraft the pilot lowered the nose after liftoff to allow the aircraft to accelerate. However, the aircraft settled and the pilot was unable to keep the aircraft from colliding with trees.
- [NTSB CHI88FA091](https://openairdocs.org/ntsb/CHI88FA091.md): Beech B90 · St. Paul, MN · Accident · No injuries · Field investigation · Final report · Apr 5, 1988 · N181LL · Substantial damage
  > Mechanical failure and sticking of the pilots thumb operated trim switch causing nose down pitch command. The failure of the cabin heater and the low cabin temperature are contributing factors.
- [NTSB NYC88IA067](https://openairdocs.org/ntsb/NYC88IA067.md): Mitsubishi MU-2B-35 · Teterboro, NJ · Incident · No injuries · Incident investigation · Final report · Jan 20, 1988 · N349MA · No damage
  > The MU-2 made a departure and while climbing through approximately 800 ft AGL, there was an inadvertent auto-pilot engagement. The nose pitched down and right. Both pilots got on the controls and control was maintained. A normal landing was made at the point…
- [NTSB CHI88FA048](https://openairdocs.org/ntsb/CHI88FA048.md): Boeing 767-200 · Chicago, IL · Accident · Serious injuries · Field investigation · Final report · Jan 20, 1988 · N306AA · No damage
  > A flight attendant and a passenger received serious and minor injuries respectively during an inflight encounter with severe turbulence during an enroute descent. Greater than moderate turbulence was forecast to be in the area and severe turbulence had been…

## 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") = 1988
  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=1988

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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.