# NTSB investigations: Diamond Aircraft Ind DA20-C1: Other weather encounter

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 GAA18CA474](https://openairdocs.org/ntsb/GAA18CA474.md): Diamond DA20 · Van Nuys, CA · Accident · No injuries · Data collection · Final report · Jul 18, 2018 · N309EF · Substantial damage
  > The student pilot's failure to maintain directional control during landing in a left quartering headwind, which resulted in a ground loop.
- [NTSB GAA17CA088](https://openairdocs.org/ntsb/GAA17CA088.md): Diamond Aircraft Ind DA-20 · Payson, UT · Accident · No injuries · Data collection · Final report · Dec 2, 2016 · N992CT · Substantial damage
  > The student pilot's improper in-flight fuel planning, which resulted in fuel exhaustion.
- [NTSB CEN15LA106](https://openairdocs.org/ntsb/CEN15LA106.md): Diamond Aircraft Ind DA 20 C1 · Shipshewana, IN · Accident · No injuries · Limited investigation · Final report · Jan 19, 2015 · N979DC · Substantial damage
  > The total loss of engine power due to impact ice obstructing the primary air induction system, which resulted from the student pilot’s failure to operate the alternate air control. Contributing to the accident was the student pilot’s lack of knowledge about…

## 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" = '400' 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/400/sequence?model=2990001

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