# NTSB investigations: Thorp T-18: Loss of control - on ground/water

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 ATL04CA180](https://openairdocs.org/ntsb/ATL04CA180.md): Wood/Thorpe T-18 · Olive Branch, MS · Accident · No injuries · Data collection · Final report · Sep 11, 2004 · N49RT · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during landing.
- [NTSB LAX89DUJ05](https://openairdocs.org/ntsb/LAX89DUJ05.md): Warwick Thorp T-18 · Aguila, AZ · Accident · Serious injuries · Final report · Feb 22, 1989 · N9675Z · Substantial damage
  > Failure of the pilot to maintain directional control, which resulted in the aircraft veering off the runway. Factors related to the accident were: uneven runway & the ditch.

## 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 ('89510T7', '89510T8', '89510T3', '89510TC', '89510TD', '89510TF', '89510UB', '89510S7', '89510S8', '89510TA', '89510TB', '89510TE', '89510TJ', '89510TU', '89510TZ', '89510UC', '89510S6', '89510TG', '89510TH', '89510TM', '89510TP', '89510TX', '89510TY')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=89510T7&occurrence=260

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