# NTSB investigations: Diamond Aircraft Ind DA20-C1: Ground collision

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 CEN26LA316](https://openairdocs.org/ntsb/CEN26LA316.md): Beech 99 · Belleville, MI · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 10, 2026 · N799CZ · 2 aircraft · Minor damage
  > On September 10, 2026, about 1545 eastern daylight time, a Beech 99 airplane, N799CZ, and a Diamond DA20 airplane, N84VV were involved in a ground collision accident at the Willow Run Airport, Belleville, Michigan. N799CZ received minor damage and N84VV…
- [NTSB WPR15LA154](https://openairdocs.org/ntsb/WPR15LA154.md): Diamond Aircraft Ind DA 20 C1 · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · Apr 24, 2015 · N309EF · 2 aircraft · Minor damage
  > Both pilots’ failure to see and avoid each other, which resulted in an on ground collision while taxiing. Contributing to the accident was the ground controller’s failure to notify either pilot about the presence of the other airplane on the taxiway.
- [NTSB WPR13LA331](https://openairdocs.org/ntsb/WPR13LA331.md): Diamond Aircraft Ind DA 20-C1 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Jul 13, 2013 · N4111T · Substantial damage
  > The student pilot’s failure to monitor and maintain clearance while taxiing, which resulted in collision with the parked airplane. Contributing to the accident was the parked airplane’s insufficient distance from the taxiway centerline.
- [NTSB MIA08CA148](https://openairdocs.org/ntsb/MIA08CA148.md): Diamond DA20-C1 · Norfolk, VA · Accident · No injuries · Data collection · Final report · Jul 13, 2008 · N956CT · Substantial damage
  > The flight instructor's inadequate supervision of the student pilot while taxiing for takeoff. A factor contributing to the accident was the student pilot's failure to maintain a visual lookout.

## 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 ('2990001')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '200' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/200/sequence?model=2990001

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