# NTSB investigations: Lycoming VO-540 series: In flight collision with terrain/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 FTW03CA146](https://openairdocs.org/ntsb/FTW03CA146.md): Bell 47G-4 · Robinson, TX · Accident · Minor injuries · Data collection · Final report · May 12, 2003 · N4205D · Substantial damage
  > The pilot's failure to maintain clearance with the ground while performing a quick stop maneuver which resulted in a dynamic rollover.
- [NTSB LAX01LA196](https://openairdocs.org/ntsb/LAX01LA196.md): Bell 47G-4A · Buttonwillow, CA · Accident · No injuries · Limited investigation · Final report · May 31, 2001 · N110DT · Substantial damage
  > The pilot's inadequate in-flight planning that resulted in settling with power during an aerial application turn-to-reverse direction and collision with the ground. Factors were high density altitude and a wind shift.
- [NTSB SEA97LA191](https://openairdocs.org/ntsb/SEA97LA191.md): Bell 47G · Wellpinit, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 1997 · N9571 · Substantial damage
  > The pilot's selection of an unsuitable landing site, and his failure to maintain rotor blade clearance from terrain during landing.
- [NTSB SEA97LA174](https://openairdocs.org/ntsb/SEA97LA174.md): Bell 47G-3B1 · Idaho Falls, ID · Accident · No injuries · Limited investigation · Final report · Jul 22, 1997 · N3069G · Substantial damage
  > The pilot-in-command's failure to verify the proper chemical and fuel load aboard prior to takeoff. Factors contributing to the accident were: excessive fuel and chemical loading by ground personnel, tailwind conditions, and high density altitude.
- [NTSB ATL93LA065](https://openairdocs.org/ntsb/ATL93LA065.md): Hiller UH12E · Greeleyville, SC · Accident · No injuries · Limited investigation · Final report · Mar 25, 1993 · N4029Z · Substantial damage
  > The pilot's misjudgment of the helicopter's altitude during the landing flare.
- [NTSB FTW91DRD06](https://openairdocs.org/ntsb/FTW91DRD06.md): Bell 47-G2 · White Castle, LA · Accident · No injuries · Final report · Jun 26, 1991 · N8460E · Destroyed
  > The pilot's improper aircraft handling, which resulted in settling with power.
- [NTSB LAX84FA130](https://openairdocs.org/ntsb/LAX84FA130.md): Bell 47J-2 · Kahuku, HI · Accident · 1 fatal · Field investigation · Final report · Jan 1, 1984 · N2097 · Destroyed
  > About 3 min after takeoff, the helicopter was observed descending in a 'gliding fashion' until water impact. A witness reported that it appeared to be flying straight & did not appear to be in trouble. The witness reported that she could hear the eng & it…
- [NTSB ATL83LA379](https://openairdocs.org/ntsb/ATL83LA379.md): Bell 47G-4A · Wise, VA · Accident · Minor injuries · Limited investigation · Final report · Sep 25, 1983 · N1400W · Substantial damage
  > The plt held a commercial certificate, but was a student in helicopter flying. He had over 15,000 hrs total time in airplanes, but only aprx 13 hrs of experience in helicopters. On his 1st solo flt in a helicopter, he was making approaches to a grassy area…
- [NTSB MIA82DA133](https://openairdocs.org/ntsb/MIA82DA133.md): Bell 47G-4 · N. Greenville, FL · Accident · No injuries · Final report · Jun 11, 1982 · N1151W · Substantial damage
  > The pilot took off at about 1922 to dispense a non-toxic liquid chemical and fertilizer on a nearby melon field. After one normal swath run on a northerly heading, he pulled up and began a procedure turn to the left (west). He stated the afternoon sun…

## 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.engine_model_code IN ('41534', '41582')
    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" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41534&occurrence=230

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.