# Major NTSB investigations, PA

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 ERA25MA106](https://openairdocs.org/ntsb/ERA25MA106.md): Learjet 55 · Philadelphia, PA · Accident · 7 fatal · Class 2 · Major · Preliminary report · Jan 31, 2025 · XA-UCI · Destroyed
  > On January 31, 2025, at 1807 eastern standard time, a Learjet 55 airplane, Mexican registration XA-UCI (call sign MTS056) was destroyed when it was involved in an accident in Philadelphia, Pennsylvania. The two pilots, two medical crewmembers, and two…
- [NTSB DCA18MA142](https://openairdocs.org/ntsb/DCA18MA142.md): Boeing 737 7H4 · Philadelphia, PA · Accident · 1 fatal · Class 1 · Major · Final report · Apr 17, 2018 · N772SW · Substantial damage
  > A low-cycle fatigue crack in the dovetail of fan blade No. 13, which resulted in the fan blade separating in flight and impacting the engine fan case at a location that was critical to the structural integrity and performance of the fan cowl structure. This…
- [NTSB DCA14MA081](https://openairdocs.org/ntsb/DCA14MA081.md): Airbus A320 - 214 · Philadelphia, PA · Accident · No injuries · Class 2 · Major · Final report · Mar 13, 2014 · N113UW · Substantial damage
  > the captain's decision to reject the takeoff after the airplane had rotated. Contributing to the accident was the flight crew's failure to follow standard operating procedures by not verifying that the airplane's flight management computer was properly…
- [NTSB DCA06MA022](https://openairdocs.org/ntsb/DCA06MA022.md): Douglas DC-8 · Philadelphia, PA · Accident · Minor injuries · Class 1 · Major · Final report · Feb 8, 2006 · N748UP · Destroyed
  > an in-flight cargo fire that initiated from an unknown source, which was most likely located within cargo container 12, 13, or 14. Contributing to the loss of the aircraft were the inadequate certification test requirements for smoke and fire detection…
- [NTSB NYC06MA005](https://openairdocs.org/ntsb/NYC06MA005.md): Augusta 109E · Smethport, PA · Accident · 1 fatal · Major investigation · Final report · Oct 8, 2005 · N7YL · Destroyed
  > The pilot's failure to maintain aircraft control. Factors in the accident were, night instrument meteorological conditions, pilot workload, and improper air traffic control procedures by the approach controller.
- [NTSB DCA01MA065](https://openairdocs.org/ntsb/DCA01MA065.md): Boeing 757 · Shanksville, PA · Accident · 44 fatal · Major investigation · Final report · Sep 11, 2001 · N591UA · Destroyed
  > The Safety Board did not determine the probable cause and does not plan to issue a report or open a public docket. The terrorist attacks of September 11, 2001 are under the jurisdiction of the Federal Bureau of Investigation. The Safety Board provided…
- [NTSB DCA00MA052](https://openairdocs.org/ntsb/DCA00MA052.md): British Aerospace J-3101 · Bear Creek Town, PA · Accident · 19 fatal · Class 1 · Major · Final report · May 21, 2000 · N16EJ · Destroyed
  > The flight crew’s failure to ensure an adequate fuel supply for the flight, which led to the stoppage of the right engine due to fuel exhaustion and the intermittent stoppage of the left engine due to fuel starvation. Contributing to the accident were the…
- [NTSB NYC00MA048](https://openairdocs.org/ntsb/NYC00MA048.md): Israel Aircraft Industries 1124A · Gouldsboro, PA · Accident · 3 fatal · Major investigation · Final report · Dec 12, 1999 · N50PL · Destroyed
  > The improper assembly of the horizontal stabilizer trim actuator unit by maintenance personnel.
- [NTSB DCA94MA076](https://openairdocs.org/ntsb/DCA94MA076.md): Boeing B-737-300 · Aliquippa, PA · Accident · 132 fatal · Class 1 · Major · Final report · Sep 8, 1994 · N513AU · Destroyed
  > A loss of control of the airplane resulting from the movement of the rudder surface to its blowdown limit. The rudder surface most likely deflected in a direction opposite to that commanded by the pilots as a result of a jam of the main rudder power control…
- [NTSB DCA91MA031](https://openairdocs.org/ntsb/DCA91MA031.md): Bell 412SP · Merion, PA · Accident · 7 fatal · Class 1 · Major · Final report · Apr 4, 1991 · N78S · 2 aircraft · Destroyed
  > The poor judgement by the captain of the airplane to permit the in-flight inspection after he had determined to the best of his ability that the nose landing gear was fully extended, the poor judgment of the captain of the helicopter to conduct the…
- [NTSB MIA89MA023](https://openairdocs.org/ntsb/MIA89MA023.md): Rockwell 1121A · Oak Grove, PA · Accident · 3 fatal · Major investigation · Final report · Nov 2, 1988 · N44 · Destroyed
  > Failure of the pilot in command to observe the rapid accretion of ice on the airplane due to his attention being diverted.
- [NTSB ATL89MA012](https://openairdocs.org/ntsb/ATL89MA012.md): Aerospatiale ATR-42-300 · Yardley, PA · Incident · No injuries · Major investigation · Final report · Oct 12, 1988 · N17810 · 2 aircraft · No damage
  > Bfr tkof, corrected flt plan was put in ATC computer for airforce 1 (AF1) to take nonstandard rte to newark. After tkof,AF1 was vctrd nw with handoff to NY ARTCC (zny), then east via Yardley (ard) to newark; 15 mi west of ard, zny initiatedhandoff to NY…
- [NTSB DCA87MA031](https://openairdocs.org/ntsb/DCA87MA031.md): Learjet 35A · West Mifflin, PA · Accident · 2 fatal · Major investigation · Final report · May 12, 1987 · N100EP · Destroyed
  > The coplt (dual student) was to get a prof check on the 1st leg of the flt with a simulated single eng pwr loss on tkof. According to witnesses, the tkof was normal until lift-off aprx 3200' down the rwy; but after lift-off, the acft clbd only about 50' &…
- [NTSB CHI86MA025](https://openairdocs.org/ntsb/CHI86MA025.md): Cessna 441 · Derry, PA · Accident · 5 fatal · Major investigation · Final report · Nov 11, 1985 · N59MD · Destroyed
  > Drg arrival, the plt was advised the destn wx was: estd 500' overcast, vis 1 mi with fog, arpt blo mins. The plt electedto make an NDB rwy 23 apch, but said he would divert if a missed apch was made. He was provided radar vectors & was clrdfor the apch. At…
- [NTSB DCA80AA022](https://openairdocs.org/ntsb/DCA80AA022.md): Piper PA-31 · Philadelphia, PA · Accident · 3 fatal · Closed · Jul 25, 1980 · N5MS · Destroyed
- [NTSB DCA76AZ029](https://openairdocs.org/ntsb/DCA76AZ029.md): Douglas DC-9 · Philadelphia, PA · Accident · Serious injuries · Closed · Jun 23, 1976 · N994VJ · Destroyed
- [NTSB DCA75AZ009](https://openairdocs.org/ntsb/DCA75AZ009-79708.md): Douglas DC-3C · Dubois, PA · Accident · Serious injuries · Closed · Mar 27, 1975 · N6 · Destroyed
- [NTSB OAK71IP052](https://openairdocs.org/ntsb/OAK71IP052.md): Boeing 707 · Phillipsburg, PA · Incident · Minor injuries · Closed · Jun 11, 1971 · N6729TW · No damage
- [NTSB NYC71AN009](https://openairdocs.org/ntsb/NYC71AN009.md): Boeing 737 · Philadelphia, PA · Accident · Serious injuries · Closed · Jul 19, 1970 · N9005U · Substantial 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."eventStateOrRegion" = 'PA' AND c."eventCountry" = 'USA'
  AND (c.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?major=1&state=PA

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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.