# NTSB investigations: Boeing 747-251B

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 DCA05MA095](https://openairdocs.org/ntsb/DCA05MA095.md): Boeing 747-200 · Agana · Accident · Minor injuries · Major investigation · Final report · Aug 19, 2005 · N627US · Substantial damage
  > the flight crews' failure to verify that the number of landing gear annunciations on the second officer’s panel was consistent with the number specified in the abnormal/emergency procedures checklist, which led to a landing with the nose gear retracted.
- [NTSB LAX96IA087](https://openairdocs.org/ntsb/LAX96IA087.md): Boeing 747-251B · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Jan 5, 1996 · N628US · Minor damage
  > The fatigue fracture of the number 4 bearing oil pressure tube due to an improper maintenance cleaning procedure by company maintenance personnel.
- [NTSB DCA94RA037](https://openairdocs.org/ntsb/DCA94RA037.md): Boeing 747 · Narita, Japan · Accident · No injuries · Foreign investigation · Mar 1, 1994 · N637US
- [NTSB SEA84IA233](https://openairdocs.org/ntsb/SEA84IA233.md): Boeing 747-200B · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Sep 29, 1984 · N613US · Minor damage
  > During climbout, passing thru 4000 ft MSL, the acft experienced a failure of the #2 engine. The crew reported hearing an explosive sound followed by a drop in fuel flow with N1 speed decreasing to 30% RPM on the #2 engine. The acft returned to Seattle for an…
- [NTSB OAK75AP013](https://openairdocs.org/ntsb/OAK75AP013.md): Boeing 747 · No.Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Closed · Sep 21, 1974 · N615US · No damage

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1384892'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1384892

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