# NTSB investigations: Allison 250 SER 400HP

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.

Page 4 of 5 · 231 cases

## Cases, newest first

- [NTSB MKC83LA149](https://openairdocs.org/ntsb/MKC83LA149.md): Hughes 369HS · Springfield, MO · Accident · No injuries · Limited investigation · Final report · Jul 9, 1983 · N500PA · Substantial damage
  > The plt reported that he had made a practice autorotation with a full power recovery & was landing when the accident occurred. He said the helicopter touched down hard, tail 1st, and rocked forward. The helicopter remained upright, but the main rotors struck…
- [NTSB ANC83FA066](https://openairdocs.org/ntsb/ANC83FA066.md): Bell 206B · Stony River, AK · Accident · Serious injuries · Field investigation · Final report · Apr 6, 1983 · N376KA · Substantial damage
  > The plt was on an external load operation with a 100 ft long line. The long line had 4 remote hooks, of which, 3 had cable bags attached. While waiting for the 4th bag to be filled, he decided to land in an open area. He set the external load down & laid the…
- [NTSB FTW83LA099](https://openairdocs.org/ntsb/FTW83LA099.md): Bell 206L-1 · Grand Isle B43q · Accident · Minor injuries · Limited investigation · Final report · Jan 27, 1983 · N5012T · Substantial damage
  > Due to the location of a gas separator, the plt started to takeoff from an oil rig platform with a left cross- wind at aprx 30 KTS, gusting 35 to 40 KTS. After lifting off to a hover, wind gusts were encountered. The plt reported that the acft turned 10 to 15…
- [NTSB DEN83FA045](https://openairdocs.org/ntsb/DEN83FA045.md): Bell 206B III · Sula, MT · Accident · 1 fatal · Field investigation · Final report · Jan 6, 1983 · N55LW · Substantial damage
  > The helicopter crashed tail low and rolled over in an open field during marginal weather. The pilot was flying on an expired student certificate and expired medical. According to a pilot who had worked with him the pilot had no helicopter rating. Witnesses…
- [NTSB ATL82DA257](https://openairdocs.org/ntsb/ATL82DA257.md): Bell 206L · Greenville, SC · Accident · No injuries · Final report · Aug 30, 1982 · N403DC · Substantial damage
  > The pilot reported that he was making an approach to a new helipad that was still under construction when he felt a severe vibration. After landing and shutdown, he discovered that the tail rotor had struck the glass cover of a heliport perimeter light.
- [NTSB FTW82DA323](https://openairdocs.org/ntsb/FTW82DA323.md): Bell 206B · Grand Isle, LA · Accident · Serious injuries · Final report · Aug 8, 1982 · N59504 · Destroyed
  > The pilot was approaching an offshore platform for landing at about 100 ft AGL when he felt the helicopter shudder. He also heard an engine-out horn and a low-rotor-rpm warning. He turned away from the platform, popped the emergency floats and initiated an…
- [NTSB ANC82DA039](https://openairdocs.org/ntsb/ANC82DA039.md): Hughes 369HS · Tok, AK · Accident · No injuries · Final report · May 4, 1982 · N9239F · Substantial damage
  > The pilot was conducting a non-revenue, sling-load operation on mt neuberer, while donating his services to Tok community tv, inc. he stated that he was lifting three empty propane bottles from a snow field when he noticed the auto relight lamp flash. He…
- [NTSB SEA82DA055](https://openairdocs.org/ntsb/SEA82DA055.md): Hughes 500C · Darrington, WA · Accident · No injuries · Final report · Apr 19, 1982 · N9131F · Substantial damage
  > During an approach to a 9100 foot high snow covered landing site the wind shifted to a tailwind condition. The pilot elected to continue and attempted a skid on landing. While skidding through the snow the left skid impacted rising terrain underneath a 12…
- [NTSB LAX82DA140](https://openairdocs.org/ntsb/LAX82DA140.md): Hughes 369HS · 8 S. Of Page, AZ · Accident · 3 fatal · Final report · Apr 18, 1982 · N4EE · Destroyed
  > The aircraft was number two in a trail of three helicopters flying up the Colorado river at marble canyon to page, AZ when it struck an aerial cableway stretching across the river, 22 ft above the water. Witnesses stated that after the collision the…
- [NTSB FTW82DA075](https://openairdocs.org/ntsb/FTW82DA075.md): Bell 206B · High Island Blk · Accident · 2 fatal · Final report · Mar 2, 1982 · N63AL · Destroyed
  > The aircraft was low on the approach and during the flare, the vertical fin and tail boom contacted the safety netting extending beyond the boundaries of the platform landing area. The aircraft then settled back off the platform with one main rotor blade…
- [NTSB DEN82DA037](https://openairdocs.org/ntsb/DEN82DA037.md): Bell 206B III · Alma, CO · Accident · No injuries · Final report · Mar 1, 1982 · N580P · Substantial damage
  > The pilot reported that before the accident, the flight had been uneventful and all instruments were reading normal except the tot gauge. Reportedly, it was indicating 750 degrees, which was about 100 degrees higher than normal for his power setting of 70%…
- [NTSB LAX82DUM05](https://openairdocs.org/ntsb/LAX82DUM05.md): Hughes 369 · Winterhaven, CA · Accident · Minor injuries · Closed · Dec 4, 1981 · N58184 · Destroyed
- [NTSB DEN82DTM06](https://openairdocs.org/ntsb/DEN82DTM06.md): Bell 206B · Fruitland, UT · Accident · No injuries · Closed · Dec 3, 1981 · N4717R · Substantial damage
- [NTSB DEN82FTI02](https://openairdocs.org/ntsb/DEN82FTI02.md): Bell 206B · Whitehall, MT · Accident · No injuries · Closed · Oct 25, 1981 · N90142 · Substantial damage
- [NTSB FTW81FRD27](https://openairdocs.org/ntsb/FTW81FRD27.md): Bell 206B · Plaquemire, LA · Accident · Minor injuries · Closed · Jun 3, 1981 · N90332 · Destroyed
- [NTSB ANC81FA055](https://openairdocs.org/ntsb/ANC81FA055.md): Hughes 369D · Glennallen, AK · Accident · Minor injuries · Closed · May 25, 1981 · N211EH · Substantial damage
- [NTSB LAX81DVA27](https://openairdocs.org/ntsb/LAX81DVA27.md): Hughes 369D · Madera, CA · Accident · No injuries · Closed · Mar 9, 1981 · N8681F · Substantial damage
- [NTSB FTW81DA014](https://openairdocs.org/ntsb/FTW81DA014.md): Bell 206B3 · Cameron, LA · Accident · 1 fatal · Closed · Dec 2, 1980 · N5003Q · Destroyed
- [NTSB DEN80FTE04](https://openairdocs.org/ntsb/DEN80FTE04-128570.md): Hughes 369D · Alma, CO · Accident · No injuries · Closed · Oct 27, 1980 · N58216 · Substantial damage
- [NTSB LAX80FA136](https://openairdocs.org/ntsb/LAX80FA136.md): Hughes 369HS · Las Vegas, NV · Accident · 1 fatal · Closed · Aug 26, 1980 · N9144F · Substantial damage
- [NTSB ANC80DA083](https://openairdocs.org/ntsb/ANC80DA083.md): Hughes 500C · Sitka, AK · Accident · Minor injuries · Closed · Aug 12, 1980 · N9052F · Substantial damage
- [NTSB ANC80DA080](https://openairdocs.org/ntsb/ANC80DA080.md): Hughes 369 · Kivalina, AK · Accident · No injuries · Closed · Aug 2, 1980 · N50SC · Substantial damage
- [NTSB FTW80FPA16](https://openairdocs.org/ntsb/FTW80FPA16.md): Bell 206B · Dallas, TX · Accident · No injuries · Closed · Jul 13, 1980 · N2771S · Substantial damage
- [NTSB ATL80FIJ06](https://openairdocs.org/ntsb/ATL80FIJ06.md): Bell 206B · Pennington Gap, VA · Accident · Serious injuries · Closed · Jul 10, 1980 · N90162 · Destroyed
- [NTSB SEA80FYM40](https://openairdocs.org/ntsb/SEA80FYM40.md): Hiller Acft FH1100 · Albany, OR · Accident · Minor injuries · Closed · Jun 4, 1980 · N92484 · Substantial damage
- [NTSB LAX80DVA44](https://openairdocs.org/ntsb/LAX80DVA44.md): Bell 206B · Firebaugh, CA · Accident · No injuries · Closed · May 31, 1980 · N59543 · Substantial damage
- [NTSB MIA80DA059](https://openairdocs.org/ntsb/MIA80DA059.md): Bell 206B · Malabar, FL · Accident · 1 fatal · Closed · May 3, 1980 · N5004U · No damage
- [NTSB LAX80FVG36](https://openairdocs.org/ntsb/LAX80FVG36.md): Hughes 369HS · Georgetown, CA · Accident · No injuries · Closed · Apr 29, 1980 · N8316F · Destroyed
- [NTSB LAX80DUJ45](https://openairdocs.org/ntsb/LAX80DUJ45.md): Bell 206B · Ashfork, AZ · Accident · Minor injuries · Closed · Apr 10, 1980 · N777PS · Destroyed
- [NTSB FTW80DRD19](https://openairdocs.org/ntsb/FTW80DRD19.md): Bell 206B · Venice, LA · Accident · Minor injuries · Closed · Mar 11, 1980 · N16966 · Destroyed
- [NTSB SEA80FYM17](https://openairdocs.org/ntsb/SEA80FYM17.md): Hughes 369HS · Siletz, OR · Accident · No injuries · Closed · Feb 21, 1980 · N9219F · Substantial damage
- [NTSB SEA80DYE14](https://openairdocs.org/ntsb/SEA80DYE14.md): Hughes 369 · Redmond, WA · Accident · No injuries · Closed · Feb 16, 1980 · N9205F · Substantial damage
- [NTSB LAX80FA036](https://openairdocs.org/ntsb/LAX80FA036.md): Hughes 369D · June Lakes, CA · Case · Closed · Jan 20, 1980 · N8354F
- [NTSB FTW79DRD49](https://openairdocs.org/ntsb/FTW79DRD49.md): Bell 206B · Intracstl City, LA · Accident · Minor injuries · Closed · Aug 8, 1979 · N90171 · Substantial damage
- [NTSB LAX79FA064](https://openairdocs.org/ntsb/LAX79FA064-134226.md): Bell 206B · Grand Canyon, AZ · Accident · Minor injuries · Closed · Aug 3, 1979 · N8533F · Substantial damage
- [NTSB SEA80FYM54](https://openairdocs.org/ntsb/SEA80FYM54-202528.md): Hughes 369D · Bay City, OR · Accident · Minor injuries · Closed · Jul 25, 1979 · N58184 · Substantial damage
- [NTSB FTW79DRD44](https://openairdocs.org/ntsb/FTW79DRD44.md): Bell 206B · Bell Rose, LA · Accident · No injuries · Closed · Jun 17, 1979 · N4830 · Substantial damage
- [NTSB FTW79DA085](https://openairdocs.org/ntsb/FTW79DA085.md): Bell 206B · Morgan City, LA · Accident · Serious injuries · Closed · Jun 3, 1979 · N14852 · Destroyed
- [NTSB CHI79FEX26](https://openairdocs.org/ntsb/CHI79FEX26.md): Bell 206-11 · Indianapolis, IN · Accident · No injuries · Closed · May 28, 1979 · N27554 · Substantial damage
- [NTSB SEA79FYP17](https://openairdocs.org/ntsb/SEA79FYP17.md): Hughes 369D · Spokane, WA · Accident · Minor injuries · Closed · May 9, 1979 · N8601F · Substantial damage
- [NTSB LAX79FVA11](https://openairdocs.org/ntsb/LAX79FVA11.md): Bell 206 · Long Beach, CA · Accident · Minor injuries · Closed · Apr 8, 1979 · N4790R · Substantial damage
- [NTSB DEN79FTE19](https://openairdocs.org/ntsb/DEN79FTE19.md): Hughes 500D · Marble, CO · Accident · No injuries · Closed · Jan 21, 1979 · N8306F · Substantial damage
- [NTSB OAK79DXQ10](https://openairdocs.org/ntsb/OAK79DXQ10.md): Hughes 369C · Minden, NV · Accident · No injuries · Closed · Jan 4, 1979 · N9141F · Substantial damage
- [NTSB OAK79FVD01](https://openairdocs.org/ntsb/OAK79FVD01.md): Hughes 500D · Garberville, CA · Accident · Serious injuries · Closed · Oct 19, 1978 · N58183 · Destroyed
- [NTSB LAX78FUM34](https://openairdocs.org/ntsb/LAX78FUM34.md): Bell 206B · Holtville, CA · Accident · No injuries · Closed · Aug 18, 1978 · N16733 · Substantial damage
- [NTSB FTW78FA066](https://openairdocs.org/ntsb/FTW78FA066.md): Bolkow BO-105 · Cameron, LA · Accident · 1 fatal · Closed · Aug 13, 1978 · N17235 · Destroyed
- [NTSB MKC78FER81](https://openairdocs.org/ntsb/MKC78FER81.md): Hughes 369HS · Sauk Centre, MN · Accident · Serious injuries · Closed · Jul 28, 1978 · N9199F · Destroyed
- [NTSB MIA78FA109](https://openairdocs.org/ntsb/MIA78FA109.md): Sikorsky S76A · W Palm Beach, FL · Accident · Serious injuries · Closed · Jul 28, 1978 · N763SA · Substantial damage
- [NTSB OAK78FJA08](https://openairdocs.org/ntsb/OAK78FJA08.md): Bell 206B · Mauna Kea, HI · Accident · Minor injuries · Closed · Jun 12, 1978 · N59622 · Substantial damage
- [NTSB FTW78FPA21](https://openairdocs.org/ntsb/FTW78FPA21.md): Bell 206B · Mc Kinney, TX · Accident · No injuries · Closed · Apr 16, 1978 · N23JH · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=03013&page=5

## 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 ('03013', '03012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&page=4

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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.