# NTSB investigations: Allison 250-C20 series: In flight collision with object

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 CHI08CA021](https://openairdocs.org/ntsb/CHI08CA021.md): Bell 206B-III · Medora, ND · Accident · Minor injuries · Data collection · Final report · Oct 18, 2007 · N51698 · Substantial damage
  > The pilot failed to maintain clearance from the fence while maneuvering at a low altitude, which resuled in the helicopter rolling over and impacting the terrain. A factor associated with the accident was the fence.
- [NTSB CHI07CA244](https://openairdocs.org/ntsb/CHI07CA244.md): Bell 206B · Columbia, MO · Accident · Minor injuries · Data collection · Final report · Jul 31, 2007 · N9ZV · Substantial damage
  > The pilot's failure to maintain control of the helicopter, which resulted in impact with terrain during takeoff. A factor in the accident was the tall grass.
- [NTSB NYC07CA084](https://openairdocs.org/ntsb/NYC07CA084.md): Bell 206B · Lewes, DE · Accident · Minor injuries · Data collection · Final report · Mar 23, 2007 · N828BA · Substantial damage
  > The pilot's inadequate visual lookout, which resulted in an in flight collision with utility wires during takeoff, and a subsequent impact with terrain.
- [NTSB SEA07CA069](https://openairdocs.org/ntsb/SEA07CA069.md): Bell 206 B3 · Custer, MT · Accident · No injuries · Data collection · Final report · Mar 5, 2007 · N150SP · Substantial damage
  > The pilot’s failure to maintain clearance between the tail rotor of his helicopter and a piece of farm equipment during the landing sequence.
- [NTSB ANC07LA022](https://openairdocs.org/ntsb/ANC07LA022.md): Hughes 369D · Gustavus, AK · Accident · No injuries · Limited investigation · Final report · Mar 3, 2007 · N5134V · Substantial damage
  > The inadequate clearance from a tranquilized moose while hovering in ground effect, and the operator's inadequate procedures for such operations, which resulted in an in-flight collision with the moose. Factors associated with the accident were the moose, a…
- [NTSB LAX07CA072](https://openairdocs.org/ntsb/LAX07CA072.md): Bell Helicopter 206BIII · Springville, CA · Accident · Minor injuries · Data collection · Final report · Jan 19, 2007 · N185BC · Substantial damage
  > The pilot's failure to maintain terrain/obstacle clearance while maneuvering. Factors were the mountainous terrain, trees, and low-altitude flight maneuvers.
- [NTSB LAX06LA288](https://openairdocs.org/ntsb/LAX06LA288.md): Hughes 369D · Somis, CA · Accident · 2 fatal · Limited investigation · Final report · Sep 6, 2006 · N812CE · Substantial damage
  > The pilot's inadequate visual lookout, which resulted in a collision with wires.
- [NTSB LAX06LA015](https://openairdocs.org/ntsb/LAX06LA015.md): Hughes 369D · Avalon, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 19, 2005 · N268ST · Substantial damage
  > the pilot's failure to maintain an adequate visual lookout and obstacle clearance altitude, which resulted in a collision with power lines. Factors in the accident were the position of the sun relative to the helicopter's flight path, which lessoned the…
- [NTSB DFW05CA172](https://openairdocs.org/ntsb/DFW05CA172.md): Garlick Helicopters OH-58A+ · Graham, TX · Accident · Serious injuries · Data collection · Final report · Jun 22, 2005 · N372NS · Substantial damage
  > The pilot's failure to maintain clearance with the wire while maneuvering during an aerial application flight. Low altitude flight is a contributing factor.
- [NTSB DEN05LA024](https://openairdocs.org/ntsb/DEN05LA024.md): Bell 206B3 · Eureka, UT · Accident · No injuries · Limited investigation · Final report · Nov 13, 2004 · N130JH · Substantial damage
  > the pilot's improper in-flight planning and decision making and failure to maintain obstacle clearance, resulting in contact with a power transmission line. Contributing factors include the intentional low-level maneuver, the power transmission line, and the…
- [NTSB FTW03LA197](https://openairdocs.org/ntsb/FTW03LA197.md): Bell 206B · Mason, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 2003 · N9877Z · Substantial damage
  > The pilot's failure to maintain clearance with the power line. A contributing factor was the sunglare.
- [NTSB DEN02FA065](https://openairdocs.org/ntsb/DEN02FA065.md): Bell 206BIII · Raton, NM · Accident · 2 fatal · Field investigation · Final report · Jun 27, 2002 · N2779B · Destroyed
  > The pilot's failure to maintain clearance of the static wire. Factors were the static wire, and the glaring sunlight condition.
- [NTSB DEN02GA016](https://openairdocs.org/ntsb/DEN02GA016.md): Hughes 369E · Park City, UT · Accident · 3 fatal · Final report · Dec 27, 2001 · N280SP · Destroyed
  > the pilot's inadequate visual lookout, resulting in an inflight collision with powerlines. Contributing factors were the fog and the powerlines.
- [NTSB ATL02TA021](https://openairdocs.org/ntsb/ATL02TA021.md): Bell 206 · Awendaw, SC · Accident · No injuries · Final report · Dec 21, 2001 · N206HE · Substantial damage
  > The pilot's failure to maintain clearance from the bambi bucket suspension assembly during dip operation.
- [NTSB SEA01LA082](https://openairdocs.org/ntsb/SEA01LA082.md): Schweizer 269D · Nampa, ID · Accident · No injuries · Limited investigation · Final report · May 3, 2001 · N2061D · Substantial damage
  > the pilot's inadequate compensation for strong, gusty, shifting winds while hovering in ground effect. Factors include a sudden directional change and increase in velocity of the gusty wind conditions.
- [NTSB DEN00FA082](https://openairdocs.org/ntsb/DEN00FA082.md): McDonnell Douglas 369E · Bloomfield, NM · Accident · 2 fatal · Field investigation · Final report · May 2, 2000 · N1606K · Destroyed
  > The pilot's intentional buzzing (low level flying), and his failure to maintain clearance with the static wire. A factor was his physical impairment by a contraindicated drug controlled substance.
- [NTSB LAX99LA116](https://openairdocs.org/ntsb/LAX99LA116.md): Bell 206B · Delhi, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 1999 · N901CA · Substantial damage
  > The pilot's failure to maintain clearance while landing in proximity to high vegetation, which resulted in the inadvertent contact of the spray boom to the trees.
- [NTSB LAX98TA123](https://openairdocs.org/ntsb/LAX98TA123.md): Bell 206B · Santa Clarita, CA · Accident · No injuries · Final report · Mar 20, 1998 · N3186L · Substantial damage
  > The failure of the pilot to maintain adequate clearance with the wires. Additional factors in this accident are the position of the sun at that time of the day, which made it difficult to see the wires, and the lack of markings or poles for that series of…
- [NTSB SEA97LA072](https://openairdocs.org/ntsb/SEA97LA072.md): Hiller UH-12E · Glide, OR · Accident · Minor injuries · Limited investigation · Final report · Mar 14, 1997 · N545HA · Substantial damage
  > failure of the pilot to maintain clearance from a power transmission line. Factors relating to the accident included ambient light conditions, which made the power line hard to see.
- [NTSB FTW97LA030](https://openairdocs.org/ntsb/FTW97LA030.md): Bell 206B-3 · Creole, LA · Accident · No injuries · Limited investigation · Final report · Oct 31, 1996 · N2043B · Substantial damage
  > the pilot's inadequate preflight by failing to remove the 100 foot long line and the external cargo basket from the helicopter before takeoff, and/or his failure to ensure that clearance/altitude was maintained from the fence.
- [NTSB FTW96LA274](https://openairdocs.org/ntsb/FTW96LA274.md): Hughes 369HE · Las Cruces, NM · Accident · No injuries · Limited investigation · Final report · Jun 24, 1996 · N521TC · Substantial damage
  > the pilot's failure to maintain clearance between the tail rotor and a fence while hovering.
- [NTSB SEA95LA139](https://openairdocs.org/ntsb/SEA95LA139.md): Hughes 369HS · Orting, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 1995 · N9196F · Substantial damage
  > The pilot's failure to see and avoid the cable.
- [NTSB NYC95LA009](https://openairdocs.org/ntsb/NYC95LA009.md): Aerospatiale AS-355 · Jonesville, VA · Accident · 1 fatal · Limited investigation · Final report · Oct 15, 1994 · N5787A · Destroyed
  > The pilot's failure to maintain clearance from the power lines.
- [NTSB SEA94LA109](https://openairdocs.org/ntsb/SEA94LA109.md): Bell 206B · Summerville, OR · Accident · Minor injuries · Limited investigation · Final report · Apr 25, 1994 · N35BL · Destroyed
  > The pilot did not maintain clearance from the wires. The overcast sky condiiton was a factor.
- [NTSB LAX93LA319](https://openairdocs.org/ntsb/LAX93LA319.md): Hiller UH-12E · Dixon, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 11, 1993 · N100LM · Destroyed
  > the failure of the pilot to visually detect and avoid the guy wire.
- [NTSB LAX93LA132](https://openairdocs.org/ntsb/LAX93LA132.md): Hughes 369D · Kahului, HI · Accident · Serious injuries · Limited investigation · Final report · Feb 22, 1993 · N58240 · Substantial damage
  > The pilots failure to maintain an adequate visual lookout for obstructions while performing a low altitude surveillance operation in a mountainous area, and, his failure to select an altitude sufficient to ensure clearance from all potential obstacles.
- [NTSB FTW92GA080](https://openairdocs.org/ntsb/FTW92GA080.md): Bell 206B III · Falfurrias, TX · Accident · No injuries · Final report · Mar 3, 1992 · N3201R · Substantial damage
  > The pilot's failure to maintain directional control due to his ability to maintain an adequate visual lookout being restricted. Factors were the observer's delay in informing the pilot of the rearward drift and the dark night conditions.
- [NTSB LAX92FA088](https://openairdocs.org/ntsb/LAX92FA088.md): Bell 206BIII · Crockett, CA · Accident · 5 fatal · Field investigation · Final report · Jan 11, 1992 · N95AT · Destroyed
  > The pilot's failure to maintain vigilant watch for obstructions while intentionally cruising slowly at a low altitude. A factor was the power line was supported by distant towers, and the line was not conspicuous.
- [NTSB NYC87LA030](https://openairdocs.org/ntsb/NYC87LA030.md): Bell 206B · Staten Island, NY · Accident · Serious injuries · Limited investigation · Final report · Nov 6, 1986 · N83086 · Substantial damage
  > The on-demand cargo flight encountered a bird strike enroute from new jersey to jamaica, new york. The pilot received serious injury to the eye and checkbone but was able to accomplish an emergency landing in a parking lot without further damage or injury.
- [NTSB SEA85FA104](https://openairdocs.org/ntsb/SEA85FA104.md): Hughes 369D · Spokane, WA · Accident · 2 fatal · Field investigation · Final report · May 5, 1985 · N8365F · Destroyed
  > The helicopter was on a flt to a tv station to transport a tv camera man & his gear. The regular plt for this trip was unable to fly, so another was retained for the flt. This was his 1st flt to the station. Helicopter operations at the tv station were…
- [NTSB LAX85FA036](https://openairdocs.org/ntsb/LAX85FA036.md): Bell 206B · Beaumont, CA · Accident · 2 fatal · Field investigation · Final report · Oct 31, 1984 · N20DB · Destroyed
  > Approximately one min before the accident the pilot contacted the tower at norton air force base for clearance through their traffic area. He reported initially that he was at 300 ft AGL. Seconds later he transmitted that he was at 100 ft over the freeway.…

## 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 ('03020')
    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" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03020&occurrence=220

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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.