# NTSB investigations: Thorp T-18: Collision with terr/obj (non-CFIT)

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 WPR16LA023](https://openairdocs.org/ntsb/WPR16LA023.md): Thorp T 18 · Independence, OR · Accident · No injuries · Limited investigation · Final report · Nov 6, 2015 · N1488 · Substantial damage
  > A separation of the canopy mechanism during flight, which resulted in the pilot’s precautionary landing and the airplane’s subsequent collision with a fence post.
- [NTSB CEN12LA566](https://openairdocs.org/ntsb/CEN12LA566.md): Thorp T-18 · Gilmer, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 2012 · N2443 · Substantial damage
  > The disconnected metering unit fuel line, which resulted in a loss of engine power.
- [NTSB SEA08LA127](https://openairdocs.org/ntsb/SEA08LA127.md): Thorp T-18 · Kent, WA · Accident · 1 fatal · Limited investigation · Final report · May 9, 2008 · N8613A · Substantial damage
  > The loss of engine power for undetermined reasons. Contributing to the accident were the lack of a suitable landing area and the pilot's failure to maintain an adequate airspeed while maneuvering in response to the loss of engine power.

## 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_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' 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/470/sequence?model=89510T7

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