# NTSB investigations, 1999: Collision between aircraft (other than midair)

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 LAX00LA060](https://openairdocs.org/ntsb/LAX00LA060.md): Pitts S-2B · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Dec 23, 1999 · N87WA · 2 aircraft · Minor damage
  > The failure of the pilot of the other airplane to maintain an adequate obstruction clearance while taxiing.
- [NTSB SEA00LA026](https://openairdocs.org/ntsb/SEA00LA026.md): Rockwell NA-265-65 · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Nov 30, 1999 · N920DY · 2 aircraft · Substantial damage
  > Inadequate visual lookout and clearance was not maintained. Diverted attention, dark night conditions and rain were factors.
- [NTSB LAX00LA011](https://openairdocs.org/ntsb/LAX00LA011.md): Waco UPF7 · Jean, NV · Accident · No injuries · Limited investigation · Final report · Oct 17, 1999 · N32186 · 2 aircraft · Minor damage
  > The pilot of the other airplane's failure to maintain an adequate visual lookout while taxiing for departure. Factors in the accident were: the narrow nature of the taxiway and the pilot of the other airplane's subsequent inability to S-turn for better…
- [NTSB FTW99LA245](https://openairdocs.org/ntsb/FTW99LA245.md): Cessna 150K · Springdale, AR · Accident · No injuries · Limited investigation · Final report · Aug 23, 1999 · N6015G · 2 aircraft · Substantial damage
  > The inadequate visual lookout by both pilots.
- [NTSB ANC99LA107](https://openairdocs.org/ntsb/ANC99LA107.md): de Havilland DHC-6-300 · Ketchikan, AK · Accident · No injuries · Limited investigation · Final report · Aug 7, 1999 · N288SA · 2 aircraft · Substantial damage
  > A failure of ground handling personnel to verify a release procedure/directive, and removal of the airplane's tiedown, and subsequent collision with a parked airplane.
- [NTSB LAX99FA218](https://openairdocs.org/ntsb/LAX99FA218.md): Boeing 747-4F6B · Los Angeles, CA · Accident · No injuries · Field investigation · Final report · Jun 7, 1999 · N751PR · 2 aircraft · Minor damage
  > Airport management's failure to ensure that its current operating procedure, which required the arriving airplane to power into the terminal gate, was being used. Also causal was (1) the ground service company's utilization of an outdated arrival procedure…
- [NTSB LAX99LA127](https://openairdocs.org/ntsb/LAX99LA127.md): Piper PA-28-181 · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · Mar 22, 1999 · N4188E · 2 aircraft · Substantial damage
  > The failure of the local and ground controller to coordinate the clearances of both aircraft and to maintain separation of the traffic in the taxiway movement area.
- [NTSB DEN99LA047](https://openairdocs.org/ntsb/DEN99LA047.md): Swearingen SA226TC · Denver, CO · Accident · No injuries · Limited investigation · Final report · Mar 5, 1999 · N151SA · 2 aircraft · Substantial damage
  > The pilot of N328BA's failure to maintain visual lookout while taxiing, causing the subsequent collision with N151SA.
- [NTSB LAX99LA086](https://openairdocs.org/ntsb/LAX99LA086.md): Cessna 150L · Madera, CA · Accident · No injuries · Limited investigation · Final report · Jan 30, 1999 · N6979G · 2 aircraft · Substantial damage
  > The pilot's failure to maintain an adequate visual lookout and to see the stationary airplane on the taxiway ahead.

## 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") = 1999
  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" = 271)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=271&year=1999

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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.