# NTSB investigations: Allison 250 SER 400HP, 1985

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 NYC85FA245](https://openairdocs.org/ntsb/NYC85FA245.md): Bell 206B · Chalkhill, PA · Accident · 1 fatal · Field investigation · Final report · Sep 22, 1985 · N32TV · Destroyed
  > The helicopter was being used on an external load operation with a 100 ft cable attached. When a 618 lb load was ready to be moved, the plt started the eng, lifted off & moved the helicopter to a hover over the load. The loaders hooked the load to the cable &…
- [NTSB SEA85LA214](https://openairdocs.org/ntsb/SEA85LA214.md): Bell 206BII · Atlanta, ID · Accident · Minor injuries · Limited investigation · Final report · Sep 14, 1985 · N58012 · Destroyed
  > A loss of pwr occurred shortly before touchdown. The left skid struck a rock during touchdown causing the acft to roll onto its right side. Twenty-five flt hrs prior to this flt an identical situation occurred and a loose air line to the fuel control was…
- [NTSB CHI85LA303](https://openairdocs.org/ntsb/CHI85LA303.md): Bell 206BII · Farmington, MN · Accident · No injuries · Limited investigation · Final report · Jul 20, 1985 · N49737 · Substantial damage
  > During maneuvering to ld in an uncultivated fld the tail rotor struck a fence post,from a dismantled fence,that was concealed by high weeds. One tail rotor blade was separated,the pilot lost control,and on touchdown the helicopter rolled over.
- [NTSB ATL85FA170](https://openairdocs.org/ntsb/ATL85FA170.md): Bell 206L · Duluth, GA · Accident · 2 fatal · Field investigation · Final report · May 20, 1985 · N403DC · Destroyed
  > After loading a seriously burned patient in the helicopter, the plt started the eng & lifted off from the hospital parking lot. Immediately after lift-off, he started forward translational flt. About 65 ft from the lift-off point, an advancing main rotor…
- [NTSB LAX85FA217](https://openairdocs.org/ntsb/LAX85FA217.md): Bell 206-L1 · Kailua/Kona, HI · Accident · Minor injuries · Field investigation · Final report · Apr 20, 1985 · N478KA · Destroyed
  > A revenue sight-seeing helicopter flight operating under 14 CFR 91 collided with lava rock while attempting a forced landing on the summit of muana loa volcano after a partial loss of power. The pilot stated that while in a shallow downwind turn at aprx 200…
- [NTSB SEA85LA053](https://openairdocs.org/ntsb/SEA85LA053.md): Hughes 369D · Taholah, WA · Accident · Minor injuries · Limited investigation · Final report · Feb 4, 1985 · N8306F · Destroyed
  > The acft had lifted off during an external load operation when the plt felt a 'vibration/shudder'. The right skid contacted the ground and the helicopter rolled over during an attempt to maneuver the helicopter away from ground personnel. Inspection revealed…
- [NTSB LAX85LA116](https://openairdocs.org/ntsb/LAX85LA116.md): Hughes 369D · Makakilo, HI · Accident · Minor injuries · Limited investigation · Final report · Jan 19, 1985 · N211EH · Destroyed
  > On an air taxi flt, after landing at a prearranged site the plt signaled to his 3 pax to board the helicopter. As the pax attempted to board from the right side of the acft, the rotor blades went out of track/phase. The acft began uncontrollable bouncing up…
- [NTSB LAX85FA101](https://openairdocs.org/ntsb/LAX85FA101.md): Bell 206B · Trimmer, CA · Accident · Minor injuries · Field investigation · Final report · Jan 8, 1985 · N59549 · Substantial damage
  > The plt stated the helicopter lost pwr during cruise when he attempted to add pwr to climb. He stated that N2 decreased along with the activation of visual and audio engine out warnings. An autorotation was performed to a road, however, the helicopter slid…

## 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") = 1985
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03013', '03012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&year=1985

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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.