# NTSB investigations, 1998: 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 DEN99LA003](https://openairdocs.org/ntsb/DEN99LA003.md): Cameron N-120 · Albuquerque, NM · Accident · Serious injuries · Limited investigation · Final report · Oct 4, 1998 · N1607G · No damage
  > The balloon's encounter with unforecasted wind shear and the subsequent inadvertent collision with terrain. A factor was the pilot's inability to control the balloon's descent.
- [NTSB CHI98LA269](https://openairdocs.org/ntsb/CHI98LA269.md): Boeing 767-223 · Peotone, IL · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 1998 · N335AA · No damage
  > In-flight encounter with turbulence.
- [NTSB LAX98FA169](https://openairdocs.org/ntsb/LAX98FA169.md): McDonnell Douglas DC-10-10 · Los Angeles, CA · Accident · Serious injuries · Field investigation · Final report · May 21, 1998 · N68043 · No damage
  > The contaminated strain gage, which resulted in shorting of the strain gage's terminal lugs which lead to excessive autopilot initiated elevator movement, and excessive elevator actuation during recovery by the captain. Contributing factors were the failure…
- [NTSB CHI98LA154](https://openairdocs.org/ntsb/CHI98LA154.md): Fokker F-28 MK100 · Ft. Wayne, IN · Accident · Serious injuries · Limited investigation · Final report · May 13, 1998 · N1400H · No damage
  > In-flight encounter with turbulence.
- [NTSB DCA98MA023](https://openairdocs.org/ntsb/DCA98MA023.md): Boeing 727-223 · Chicago, IL · Accident · Minor injuries · Class 1 · Major · Final report · Feb 9, 1998 · N845AA · Substantial damage
  > the failure of the flight crew to maintain a proper pitch attitude for a successful landing or go-around. Contributing to the accident were the divergent pitch oscillations of the airplane, which occurred during the final approach and were the result of an…

## 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") = 1998
  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=1998

---
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.
