# NTSB investigations: Pratt & Whitney JT8D series, CO

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 DEN06IA051](https://openairdocs.org/ntsb/DEN06IA051.md): McDonnell Douglas DC-9-82 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Mar 21, 2006 · N574AA · Minor damage
  > the captain's failure to follow existing company procedures for stabilized approach. **This report was modified on May 23, 2007.**
- [NTSB DEN05LA077](https://openairdocs.org/ntsb/DEN05LA077.md): McDonnell Douglas MD-88 · Denver, CO · Accident · No injuries · Limited investigation · Final report · May 14, 2005 · N949DL · Substantial damage
  > the failure of the nose gear actuator resulted in penetration of the forward pressure bulkhead and a loss of pressurization.
- [NTSB DEN05IA027](https://openairdocs.org/ntsb/DEN05IA027.md): McDonnell Douglas DC-9-82 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Nov 21, 2004 · N234AA · Minor damage
  > the first officer's failure to maintain proper glide slope during the landing approach, and the captain's failure to adequately monitor the approach and landing, and his failure to challenge and/or intervene when the first officer continued to descend below…
- [NTSB DEN03FA070](https://openairdocs.org/ntsb/DEN03FA070.md): McDonnell Douglas MD-88 · Denver, CO · Accident · Minor injuries · Field investigation · Final report · Apr 22, 2003 · N974DL · Substantial damage
  > the flight crew's failure to maintain aircraft control, which resulted in engine start with the throttles advanced and the subsequent impact with the tug. Contributing factors include, the flight crew's improper procedures/directives and failure to…
- [NTSB DEN99LA027](https://openairdocs.org/ntsb/DEN99LA027.md): Boeing 727-233 · Denver, CO · Accident · No injuries · Limited investigation · Final report · Dec 22, 1998 · N269FE · Substantial damage
  > Snow removal not done by other person.
- [NTSB FTW96LA111](https://openairdocs.org/ntsb/FTW96LA111.md): Mcdonnell Douglas MD-88 · Denver, CO · Accident · Minor injuries · Limited investigation · Final report · Feb 4, 1996 · N957DL · Substantial damage
  > Failure of the pilot to maintain sufficient airspeed to properly flare the airplane during the landing.
- [NTSB DEN93FA049](https://openairdocs.org/ntsb/DEN93FA049.md): Mcdonnell Douglas DC-9-82 · Denver, CO · Accident · Minor injuries · Field investigation · Final report · Apr 27, 1993 · N72822 · Substantial damage
  > A vibration in the right main landing gear, for undetermined reasons, which resulted in collapse of the right main gear. A factor was failure of the pilot in command to ensure deployment of the ground spoilers.
- [NTSB DEN93FA047](https://openairdocs.org/ntsb/DEN93FA047.md): Mcdonnell Douglas DC-9-82 · Denver, CO · Accident · No injuries · Field investigation · Final report · Apr 26, 1993 · N14816 · Substantial damage
  > An inflight encounterwith a microburst at an altitude insufficient to effect recovery.
- [NTSB DEN93IA005](https://openairdocs.org/ntsb/DEN93IA005.md): Mcdonnell Douglas DC-9-82 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Oct 13, 1992 · N72822 · Minor damage
  > An inadvertent attempt, by unknown persons, to start the APU which had been placarded as inoperative. Factors were: inadequate procedures in rendering the APU incapable of being started when inoperative.
- [NTSB DEN88IA043](https://openairdocs.org/ntsb/DEN88IA043.md): Mcdonnell Douglas MD-80 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 27, 1987 · N72830 · Minor damage
  > During landing roll the acft struck a taxiway marker. Visibility was reported by RVR to be 2200. Actual visibility was near zero due to blowing snow. Plt stated he did not lose cntrl but finite cntrl not possible due to lack of visibility and cross winds of…
- [NTSB DCA88MA004](https://openairdocs.org/ntsb/DCA88MA004.md): Mcdonnell Douglas DC-9-14 · Denver, CO · Accident · 28 fatal · Major investigation · Final report · Nov 15, 1987 · N626TX · Destroyed
  > The Safety Board's full report on this investigation is provided as Aviation Accident Report number AAR-88/09. To obtain a copy of this report, or to view the executive summary online, please see the Web site at http://www.ntsb.gov/publictn/publictn.htm…

## 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" = 'CO' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52053', '52377'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52053&state=CO

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