# NTSB investigations: Bell TH-13T

A list on [Bell TH-13T](https://openairdocs.org/model/bell-th-13t.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB CHI03FA277](https://openairdocs.org/ntsb/CHI03FA277.md): Bell TH-13T · Light, AR · Accident · Serious injuries · Field investigation · Final report · Aug 21, 2003 · N38CD · Substantial damage
  > The total failure and seizure of the main rotor transmission while in cruise flight leading to the helicopter’s impact with terrain.
- [NTSB FTW02LA216](https://openairdocs.org/ntsb/FTW02LA216.md): Bell TH-13T · New Iberia, LA · Accident · No injuries · Limited investigation · Final report · Jul 18, 2002 · N99628 · Substantial damage
  > The loss of engine power for undetermined reasons. High vegetation was a factor.
- [NTSB ATL99LA105](https://openairdocs.org/ntsb/ATL99LA105.md): Bell 47 · Trenton, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1999 · N23590 · Substantial damage
  > The loss of main rotor rpm due to improper use of the flight controls by the pilot. Factors were the tailwind and trees.
- [NTSB CHI96LA223](https://openairdocs.org/ntsb/CHI96LA223.md): Bell TH-13T · Mandan, ND · Accident · No injuries · Limited investigation · Final report · Jun 30, 1996 · N96161 · Substantial damage
  > the pilot's failure to maintain clearance from known transmission lines. A factor relating to this accident was the sunglare which hindered the pilot's ability to see the transmission lines.
- [NTSB LAX96LA111](https://openairdocs.org/ntsb/LAX96LA111.md): Bell 47G-2A1 · Honiara, Solomon Islands · Accident · 1 fatal · Limited investigation · Final report · Jan 29, 1996 · N6569H · Destroyed
  > the pilot and the ship crew's failure to assure the tie down strap was removed prior to liftoff.
- [NTSB LAX95LA138](https://openairdocs.org/ntsb/LAX95LA138.md): Bell 47 · Harmon Field · Accident · No injuries · Limited investigation · Final report · Mar 17, 1995 · N6569H · Substantial damage
  > an engine failure due to oil exhaustion from a missing oil pressure relief valve as the result of an improper maintenance inspection.
- [NTSB NYC94LA097](https://openairdocs.org/ntsb/NYC94LA097.md): Bell 47G3 Soloy · Friendsville, MD · Accident · Serious injuries · Limited investigation · Final report · May 31, 1994 · N121CD · Destroyed
  > The partial failure of the turbine engine for undetermined reasons, during an agriculture maneuver at low altitude, over terrain unsuitable for an autorotation.
- [NTSB MIA92T#A03](https://openairdocs.org/ntsb/MIA92T%23A03.md): Bell TH-13T · Lake Wales, FL · Accident · No injuries · Class 3 · Final report · Sep 2, 1992 · N9596Z · Substantial damage
- [NTSB MKC90FA130](https://openairdocs.org/ntsb/MKC90FA130.md): Bell 47G-3B1 · Cedar Rapids, IA · Accident · 3 fatal · Field investigation · Final report · Jun 16, 1990 · N67223 · Substantial damage
  > The failure of the pilot to maintain control of the helicopter during maneuvering flight. Darkness and the pilot's manner of flying the aircraft (ostentatious display) were considered to be related factors.
- [NTSB MIA90LA123](https://openairdocs.org/ntsb/MIA90LA123.md): Bell TH-13T · Biloxi, MS · Accident · Serious injuries · Limited investigation · Final report · May 19, 1990 · N67223 · No damage
  > The passenger's intentional act of jumping in the air with his arm raised while under the main rotor.
- [NTSB MIA89LA202](https://openairdocs.org/ntsb/MIA89LA202.md): Bell TH-13T · Jay, FL · Accident · No injuries · Limited investigation · Final report · Jul 20, 1989 · N65212 · Substantial damage
  > Inadequate planning/decision by the pilot and his failure to maintain clearance from the power line. Contributing factors were: light conditions at dusk, transmission (power) lines, and the pilot's lack of visual cues (visual perception) at dusk.
- [NTSB NYC88DGT02](https://openairdocs.org/ntsb/NYC88DGT02.md): Bell 47G3B1 · Cove Gap, PA · Accident · Minor injuries · Final report · May 30, 1988 · N48181 · Substantial damage
  > The helicopter plt was taking off from an area surrounded by trees & buildings for a local spray operation. The wind was calm. Reportedly, during the attempted departure, the plt 'exhausted all power available then made right turn to return to field.' After…
- [NTSB ATL87LA249](https://openairdocs.org/ntsb/ATL87LA249.md): Bell 47G3B1 · Enterprise, AL · Accident · No injuries · Limited investigation · Final report · Sep 6, 1987 · N38CD · Substantial damage
  > During a practice autorotation, the instructor pilot delayed in appling power to arrest the autorotative descent. The other pilot reported that the autorotation profile was was not the same as the previous successful autorotation. There were no reported…
- [NTSB ATL87DKG04](https://openairdocs.org/ntsb/ATL87DKG04.md): Bell TH-13T · Melvin, AL · Accident · No injuries · Final report · Jun 10, 1987 · N205PS · Substantial damage
  > The plt rprtd that after lndg to reload with herbicide, he got out of the helicopter to check the fuel in the tanks. After a visual inspn, he believed he had 'an adequate amount' of fuel to fly about 1/4 mi to the area to be sprayed, apply the chemical &…
- [NTSB NYC85LA005](https://openairdocs.org/ntsb/NYC85LA005.md): Bell 47G3-B1 · Moultonboro, NH · Accident · No injuries · Limited investigation · Final report · Oct 7, 1984 · N401GC · Substantial damage
  > Acft was climbing through a mountain saddle when the engine began to backfire and lose power. Plt entered autorotation & settled into trees on autorotative flare. Engine inspection revealed #3 cylinder intake valve springs broken.
- [NTSB LAX83LA053](https://openairdocs.org/ntsb/LAX83LA053.md): Bell TH-13T · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Dec 8, 1982 · N3001F · Substantial damage
  > After a practice spray turn, the helicopter collided with the ground during recovery from a descent back into the field. No discrepancies were reported with the airframe, engine or weather conditions. The pilot was quoted as saying he refrained from pulling…
- [NTSB DEN82DA155](https://openairdocs.org/ntsb/DEN82DA155.md): Bell Helicopter Textron 47G3B1 · Buena Vista, CO · Accident · No injuries · Final report · Aug 4, 1982 · N23DW · Destroyed
  > According to the pilot, the purpose of the flight was to track wild sheep with transmitters attached to their necks. While maneuvering at approximately 14,000 feet elevation and executing a right turn the aircraft felt "rubbery." He applied left cyclic but…
- [NTSB DEN79FA055](https://openairdocs.org/ntsb/DEN79FA055.md): Bell 47G3B1 · Rico, CO · Accident · 2 fatal · Closed · Aug 17, 1979 · N73963 · Destroyed
- [NTSB MIA76FKH01](https://openairdocs.org/ntsb/MIA76FKH01.md): Bell 47 · Augusta, GA · Accident · No injuries · Closed · Aug 27, 1976 · N995D · Substantial damage
- [NTSB MIA76FKQ14](https://openairdocs.org/ntsb/MIA76FKQ14.md): Bell 47G3B1 · Magnolia, MS · Accident · 1 fatal · Closed · Sep 15, 1975 · N216AC · Destroyed

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('1180813')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/bell-th-13t/ntsb

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