# NTSB investigations: Porterfield CP-65

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 GAA19CA147](https://openairdocs.org/ntsb/GAA19CA147.md): Porterfield CP 65 · Aberdeen, SD · Accident · Minor injuries · Data collection · Final report · Feb 23, 2019 · N37716 · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, which resulted in a nose-over.
- [NTSB IAD05CA086](https://openairdocs.org/ntsb/IAD05CA086.md): Porterfield CP-65 · Jaffrey, NH · Accident · Minor injuries · Data collection · Final report · Jun 24, 2005 · N37709 · Substantial damage
  > The student pilot's inadequate compensation for wind conditions and his failure to maintain directional control. A factor in the accident was the drop off/descending embankment at the runway's edge.
- [NTSB LAX99FA261](https://openairdocs.org/ntsb/LAX99FA261.md): Porterfield CP-65 · Johnson Valley, CA · Accident · 1 fatal · Field investigation · Final report · Aug 2, 1999 · N32409 · Destroyed
  > The failure of the pilot to maintain adequate airspeed while attempting to make a precautionary landing, which resulted in a stall/spin and collision with the terrain. A factor in his failure to maintain an adequate airspeed is the pilot's likely diverted…
- [NTSB NYC77FFJ15](https://openairdocs.org/ntsb/NYC77FFJ15.md): Porterfield CP-65 · Hilton, NY · Accident · No injuries · Closed · Apr 12, 1977 · N37716 · Substantial damage
- [NTSB OAK73DVG73](https://openairdocs.org/ntsb/OAK73DVG73.md): Porterfield CP-65 · Esparto, CA · Accident · Minor injuries · Closed · Jun 23, 1973 · N27280 · Substantial damage

## 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 ('6480118'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=6480118

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