# NTSB investigations, 2017: Aircraft servicing event

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 GAA17CA557](https://openairdocs.org/ntsb/GAA17CA557.md): Bellet James J Vans RV 8 · Orange, MA · Accident · Minor injuries · Data collection · Final report · Sep 26, 2017 · N184SJ · Substantial damage
  > The pilot's failure to remove the engine cowl plugs during preflight, which resulted in excessive engine cylinder head temperatures during climb and a total loss of engine power.
- [NTSB WPR17LA214](https://openairdocs.org/ntsb/WPR17LA214.md): SC Aerostar YAK 52W · El Cajon, CA · Accident · No injuries · Limited investigation · Final report · Sep 23, 2017 · N52KF · Substantial damage
  > The pilot's failure to maintain directional control during taxi after a reduction in braking performance and steering capabilities due to his failure to reopen the air supply valve after the nonstandard engine start.
- [NTSB WPR17LA212](https://openairdocs.org/ntsb/WPR17LA212.md): Mooney M20E · Glendale, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 2017 · N34BE · Substantial damage
  > The pilot’s inadequate preflight fuel planning and improper decision to not refuel before the flight, which resulted in fuel exhaustion and the subsequent total loss of engine power.
- [NTSB GAA17CA450](https://openairdocs.org/ntsb/GAA17CA450.md): Robinson Helicopter R44 · Dunlap, IL · Accident · Minor injuries · Data collection · Final report · Jul 31, 2017 · N344MM · Substantial damage
  > The pilot’s failure to visually confirm that the helicopter was disconnected from hoses during refueling operations. Contributing to the accident was the pilot’s and ground crew’s misunderstanding of the hand signals.
- [NTSB ANC17CA044](https://openairdocs.org/ntsb/ANC17CA044.md): Brantly B2 · St. Michael, AK · Accident · No injuries · Data collection · Final report · Jun 25, 2017 · N5955X · Substantial damage
  > The pilot’s inadequate supervision of the refueling process, which resulted in a loss of engine power due to water contamination in the helicopter’s fuel system from the fuel drum and subsequent impact with terrain.
- [NTSB ERA17LA109](https://openairdocs.org/ntsb/ERA17LA109.md): Ercoupe 415 · Dawsonville, GA · Accident · Minor injuries · Limited investigation · Final report · Feb 19, 2017 · N99716 · Substantial damage
  > A decrease in oil pressure due to the pilot's unintentional overfilling of the engine oil sump, and the pilot's subsequent decision to perform an off-airport precautionary landing, which resulted in impact with a tree.

## 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 year(c."eventDate") = 2017
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '020' 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/020/sequence?year=2017

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