# NTSB investigations: Allison 250 SER 250HP, 1986

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 ATL87MA035](https://openairdocs.org/ntsb/ATL87MA035.md): Bell 206L-1 · Jamestown, TN · Accident · 4 fatal · Major investigation · Final report · Dec 3, 1986 · N3898U · Destroyed
  > The helicopter was being used in an emerg med svc/med-evac (EMS) opn. At 0230, the plt obtained a partial wx briefing. He was advised of flt prctns for IFR wx thru-out the area with low ceilings, fog, precip & mtns obscd. The flt departed nashville at 0245 &…
- [NTSB SEA87LA025](https://openairdocs.org/ntsb/SEA87LA025.md): Hughes 369D · Winlock, WA · Accident · No injuries · Limited investigation · Final report · Nov 14, 1986 · N1089D · Substantial damage
  > The plt was loading xmas trees from a farm to a truck. He had just released a load and was en route back to the pickup area when the empty long-line sling contacted treetops. The sling rebounded into the tail rotor & damaged the gear box which resulted in…
- [NTSB LAX86LA226](https://openairdocs.org/ntsb/LAX86LA226.md): Bell 206B · Los Angeles, CA · Accident · Minor injuries · Limited investigation · Final report · May 21, 1986 · N1411W · Substantial damage
  > During a x-wind takeoff the downwind skid contacted the landing pad and the helicopter rolled over to the right. One person on the ground was injured by flying debris.
- [NTSB LAX86FJA06](https://openairdocs.org/ntsb/LAX86FJA06.md): Bell 206B · Maui, HI · Accident · 2 fatal · Final report · May 18, 1986 · N244WC · Destroyed
  > The acft collided with powerlines while carrying pass'g on a sightseeing flt through a canyon. The wires across the canyon were EST to be 1700 long with height AGL unknown. The wires were unmarked and were 1/2 in dia aluminum. One of the passengers was…
- [NTSB FTW86LA032](https://openairdocs.org/ntsb/FTW86LA032.md): Sikorsky S-76A · Grand Isle Bl73 · Accident · 3 fatal · Limited investigation · Final report · Jan 5, 1986 · N7612L · Substantial damage
  > The acft rolled over in a high x-wind after landing while deplaning passengers. The acft had landed on a moving barge. A landing into the wind was blocked by a crane so the plt sideslipped from a flt path that paralleled the ships movement. The wind was…

## 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") = 1986
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03002', '03003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03002&year=1986

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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.