# Major NTSB investigations, MD

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 DCA15MA029](https://openairdocs.org/ntsb/DCA15MA029.md): Embraer EMB-500 · Gaithersburg, MD · Accident · 6 fatal · Class 1 · Major · Final report · Dec 8, 2014 · N100EQ · Destroyed
  > the pilot's conduct of an approach in structural icing conditions without turning on the airplane's wing and horizontal stabilizer deice system, leading to ice accumulation on those surfaces, and without using the appropriate landing performance speeds for…
- [NTSB MIA08MA203](https://openairdocs.org/ntsb/MIA08MA203.md): Aerospatiale SA365N-1 D · District Heights, MD · Accident · 4 fatal · Class 1 · Major · Final report · Sep 28, 2008 · N92MD · Substantial damage
  > The pilot's attempt to regain visual conditions by performing a rapid descent and his failure to arrest the descent at the minimum descent altitude during a nonprecision approach. Contributing to the accident were (1) the pilot’s limited recent instrument…
- [NTSB NYC05MA039](https://openairdocs.org/ntsb/NYC05MA039.md): Eurocopter Deutschland EC 135 P2 · Oxon Hill, MD · Accident · 2 fatal · Major investigation · Final report · Jan 11, 2005 · N136LN · Destroyed
  > The pilot's failure to identify and arrest the helicopter's descent, which resulted in controlled flight into terrain. Contributing to the accident were the dark night conditions, limited outside visual references, and the lack of an operable radar altimeter…
- [NTSB BFO87MA007](https://openairdocs.org/ntsb/BFO87MA007.md): Beech 65-A80 · Baltimore, MD · Accident · 1 fatal · Major investigation · Final report · Nov 8, 1986 · N304D · Destroyed
  > Drg clb after tkof, l eng seized. Plt said he atmtd 1 eng restart; prop would not rotate or feather. No emerg declared. Plt stated eng shut-dwn proc was used, scientific bus sws were shut off, r gen was recycled & appeared to oper normally. Plts got imt…
- [NTSB NYC84MA151](https://openairdocs.org/ntsb/NYC84MA151.md): Piper PA-60-601P · Cockeysville, MD · Accident · 2 fatal · Major investigation · Final report · Apr 28, 1984 · N6079R · Destroyed
  > On the day of departure the plt had received a 30 min familiarization flt upon completion of the superstar conversion. Emphasis was directed to eng gages, fuel flow & counter, & power settings. The flt was flown at 5,500 ft. the plt then obtained a wx…
- [NTSB NYC84MA102](https://openairdocs.org/ntsb/NYC84MA102.md): Piper PA-31 · Cumberland, MD · Accident · 3 fatal · Major investigation · Final report · Mar 5, 1984 · N6629L · Destroyed
  > Approx 16 min prior to the accident the plt was cleared for the localizer DME approach. The acft collided with the mountainous terrain on a hdg of about 220 degrees at approx 8.5 DME on a bearing of 051 degrees from the arpt. As indicated on the loc/dme rwy…

## 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" = 'MD' 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=MD

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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.