# NTSB investigations: Boeing 747-121

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 MIA96FA013](https://openairdocs.org/ntsb/MIA96FA013.md): Boeing 747-121 · Miami, FL · Accident · No injuries · Field investigation · Final report · Oct 23, 1995 · N613FF · Substantial damage
  > failure of the No. 4 engine fifth stage turbine hub due to a cyclic stress rupture for undetermined reasons, which resulted in an uncontained failure of the engine.
- [NTSB DCA93MA033](https://openairdocs.org/ntsb/DCA93MA033.md): Boeing 747-121 · Anchorage, AK · Accident · No injuries · Class 1 · Major · Final report · Mar 31, 1993 · N473EV · Substantial damage
  > The lateral separation of the no. 2 engine pylon due to an encounter with severe or possibly extreme turbulence that resulted in dynamic multi-axis lateral loadings that exceeded the ultimate lateral load-carrying capability of the pylon, which was already…
- [NTSB BFO92IA046](https://openairdocs.org/ntsb/BFO92IA046.md): Boeing 747-123 · Louisville, KY · Incident · No injuries · Incident investigation · Final report · Mar 19, 1992 · N681UP · Minor damage
  > Inadequate obstacle clearance, which resulted in on ground collision with a blast fence. Contributing was inadequate instruction from ground personnel.
- [NTSB DCA89RA014](https://openairdocs.org/ntsb/DCA89RA014.md): Boeing 747-121 · Lockerbie, United Kingdom · Accident · 270 fatal · Foreign investigation · Dec 21, 1988 · N739PA
- [NTSB DCA83RA001](https://openairdocs.org/ntsb/DCA83RA001.md): Boeing 747-121 · Pakistan · Accident · No injuries · Foreign investigation · Aug 4, 1983 · N738PA
- [NTSB LAX79IA092](https://openairdocs.org/ntsb/LAX79IA092.md): Boeing 747 · Pacific Ocean (Pacific Ocean) · Incident · 1 fatal · Closed · Sep 30, 1979 · N750PA · No damage
- [NTSB DCA77RA014](https://openairdocs.org/ntsb/DCA77RA014.md): Boeing 747 · Tenerife, SP · Accident · 574 fatal · Closed · Mar 27, 1977 · N736PA · 2 aircraft · Destroyed
- [NTSB NYC77IA041](https://openairdocs.org/ntsb/NYC77IA041.md): Boeing 747 · London, United Kingdom · Incident · No injuries · Closed · Mar 24, 1977 · N747PA · No damage
- [NTSB DCA72RZ014](https://openairdocs.org/ntsb/DCA72RZ014.md): Boeing 747 · London, United Kingdom · Accident · No injuries · Closed · Mar 8, 1972 · N738PA · 2 aircraft · Substantial damage
- [NTSB LAX72IL014](https://openairdocs.org/ntsb/LAX72IL014.md): Boeing 747 · Los Angeles, CA · Incident · No injuries · Closed · Aug 24, 1971 · N748PA · Minor damage
- [NTSB DCA72AZ002](https://openairdocs.org/ntsb/DCA72AZ002.md): Boeing 747 · San Frncsco, CA · Accident · Serious injuries · Closed · Jul 30, 1971 · N747PA · Substantial damage
- [NTSB NYC71AN088](https://openairdocs.org/ntsb/NYC71AN088.md): Boeing 747 · Wilmington, NC · Accident · Serious injuries · Closed · Feb 7, 1971 · N750PA · Minor damage
- [NTSB NYC71AN054](https://openairdocs.org/ntsb/NYC71AN054.md): Boeing 747 · Nantucket, MA · Accident · Serious injuries · Closed · Nov 4, 1970 · N739PA · Minor damage
- [NTSB SEA70IS044](https://openairdocs.org/ntsb/SEA70IS044.md): Boeing 747 · Moses Lake, WA · Incident · No injuries · Closed · May 24, 1970 · N7470 · Minor damage
- [NTSB NYC70IN085](https://openairdocs.org/ntsb/NYC70IN085.md): Boeing 747 · N.Atlantic Ocean (Atlantic Ocean) · Incident · No injuries · Closed · Feb 9, 1970 · N736PA · 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 ('138487A', '1384871'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=138487A

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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.
