# NTSB investigations, MD: Collision between aircraft (other than midair)

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 IAD05LA043](https://openairdocs.org/ntsb/IAD05LA043.md): Cessna 172N · Frederick, MD · Accident · No injuries · Limited investigation · Final report · Mar 10, 2005 · N711DA · 2 aircraft · Substantial damage
  > The inadequate visual lookout of the pilots in each airplane, which resulted in a ground collision.
- [NTSB IAD01LA062](https://openairdocs.org/ntsb/IAD01LA062.md): Eaa Chapter 40 Cubby Sport Trainer · Elkton, MD · Accident · No injuries · Limited investigation · Final report · Jun 2, 2001 · N9685A · 2 aircraft · Substantial damage
  > The Cubby pilot's inadequate visual lookout for the Bellanca on the runway, prior to landing.
- [NTSB IAD99LA022](https://openairdocs.org/ntsb/IAD99LA022.md): Pitts S-2B · Easton, MD · Accident · Serious injuries · Limited investigation · Final report · Nov 28, 1998 · N340PS · 2 aircraft · Substantial damage
  > The failure of both the pilot-in-command (CFI) and dual student of the other aircraft (Pitts) to maintain adequate visual lookout.
- [NTSB NYC98LA008](https://openairdocs.org/ntsb/NYC98LA008.md): Boeing Stearman PT-17 · Elkton, MD · Accident · No injuries · Limited investigation · Final report · Oct 5, 1997 · N49760 · 2 aircraft · Substantial damage
  > The inadequate lookout by the pilot of the Cessna and his failure to maintain adequate clearance between his airplane and the active runway. A factor in the accident was the lack of taxiway hold signs or lines.

## 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."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 271)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=271&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.