# NTSB investigations: Allison 250-C20 series, FL

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 ERA24LA215](https://openairdocs.org/ntsb/ERA24LA215.md): Hughes 369 · Crestview, FL · Accident · No injuries · Class 4 · Limited · Final report · May 10, 2024 · N969VS · Substantial damage
  > The pilot’s improper flare, which resulted in a hard landing and the main rotor blades contacting the tail boom.
- [NTSB ERA22LA206](https://openairdocs.org/ntsb/ERA22LA206.md): Bell 206 · Lake Apopka, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 26, 2022 · N206BX · Substantial damage
  > A collision with water following a loss of visual reference to the water surface due to sun glare.
- [NTSB ERA21LA126](https://openairdocs.org/ntsb/ERA21LA126.md): Bell 206 · Pahokee, FL · Accident · No injuries · Class 3 · Limited · Final report · Feb 4, 2021 · N820H · Substantial damage
  > A loss of main rotor rpm for reasons that could not be determined, which resulted in an autorotation and a subsequent hard landing and rollover.
- [NTSB ERA17TA170](https://openairdocs.org/ntsb/ERA17TA170.md): Bell 206 · Orange Springs, FL · Accident · Serious injuries · Final report · May 2, 2017 · N911GE · Substantial damage
  > The pilot's failure to maintain adequate clearance between the helicopter's skid and the firefighting bucket and suspension cable, which resulted in the cable becoming entangled on the landing skid and a subsequent loss of helicopter control.
- [NTSB ERA15LA337](https://openairdocs.org/ntsb/ERA15LA337.md): Mcdonnell Douglas Helicopter 369E · New Smyrna Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2015 · N16056 · Substantial damage
  > The pilot’s inadequate visual lookout and failure to maintain clearance from trees while maneuvering at low altitude.
- [NTSB ERA09LA047](https://openairdocs.org/ntsb/ERA09LA047.md): Bell 206B · Boynton Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 11, 2008 · N281CB · Substantial damage
  > A loss of engine power due to an undertorqued air line fitting to the fuel control.
- [NTSB ANC06CA122](https://openairdocs.org/ntsb/ANC06CA122.md): Bell 206B · Orlando, FL · Accident · No injuries · Data collection · Final report · Aug 9, 2006 · N121RH · Substantial damage
  > The pilot's failure to refuel the helicopter prior to the accident flight, which resulted in a loss of engine power during cruise flight, and a hard landing.
- [NTSB MIA05LA095](https://openairdocs.org/ntsb/MIA05LA095.md): Bell 206B · Coral Springs, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 2005 · N2285B · Substantial damage
  > The pilot encountered dynamic rollover while lifting off from an area in the everglades with 6-7 foot tall sawgrass nearby.
- [NTSB MIA05FA008](https://openairdocs.org/ntsb/MIA05FA008.md): Eurocopter Deutschland BO-105 CBS5 · Santa Rosa Bch, FL · Accident · 3 fatal · Field investigation · Final report · Oct 20, 2004 · N916SH · Destroyed
  > The pilot's spatial disorientation and in-flight loss of control of the helicopter after encountering night instrument meteorological conditions resulting in collision with water during the resultant uncontrolled descent. A factor in the accident was the…
- [NTSB MIA04LA123](https://openairdocs.org/ntsb/MIA04LA123.md): Bell 206B3 · Panama City, FL · Accident · No injuries · Limited investigation · Final report · Aug 24, 2004 · N107PH · Substantial damage
  > Inadequate maintenance inspection resulting in the partial loss of engine power due to a loose pneumatic line on the governor and ditching of the helicopter.
- [NTSB MIA04LA121](https://openairdocs.org/ntsb/MIA04LA121.md): McDonnell Douglas 369E · Ochopee, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 19, 2004 · N42928 · Substantial damage
  > The pilot's loss of control in flight for undetermined reasons, which resulted in an uncontrolled descent, and subsequent impact with trees and the terrain.
- [NTSB MIA03TA152](https://openairdocs.org/ntsb/MIA03TA152.md): Bell BHT-206-B3 · Fort Myers, FL · Accident · No injuries · Final report · Jul 30, 2003 · N876M · Substantial damage
  > The pilot's failure to adequately clear the right skid of obstructions which resulted in a dynamic rollover to the right during takeoff and damage to the helicopter.
- [NTSB MIA03FA120](https://openairdocs.org/ntsb/MIA03FA120.md): Aerospatiale AS355F1 · Madison, FL · Accident · Minor injuries · Field investigation · Final report · Jun 11, 2003 · N217ES · Substantial damage
  > The pilot in command's diverted attention and loss of control while attempting to takeoff, which resulted in the main rotor blades being dragged, and the helicopter rolling over.
- [NTSB MIA01TA194](https://openairdocs.org/ntsb/MIA01TA194.md): Bell 206B-III · Jacksonville, FL · Accident · Minor injuries · Final report · Jul 25, 2001 · N313JP · Destroyed
  > the pilot's failure to recognize and correct for unanticipated right yaw/loss of tail rotor effectiveness (LTE) during an approach to hover at a low altitude, which resulted in a loss of control and the helicopter descending and colliding with a house and the…
- [NTSB MIA99FA158](https://openairdocs.org/ntsb/MIA99FA158.md): Hughes 369E · Intercession, FL · Accident · 1 fatal · Field investigation · Final report · May 20, 1999 · N144CM · Substantial damage
  > The pilot's improper fuel management that resulted in fuel exhaustion and a total loss of engine power.
- [NTSB MIA99LA111](https://openairdocs.org/ntsb/MIA99LA111.md): Fairchild Hiller FH-1100 · Zephyrhills, FL · Accident · No injuries · Limited investigation · Final report · Mar 24, 1999 · N4412C · Substantial damage
  > The student pilot's improper use of flight controls (cyclic and collective) during a takeoff to a hover. This resulted in the helicopter encountering dynamic rollover and rolling over on its right side.
- [NTSB ATL97LA086](https://openairdocs.org/ntsb/ATL97LA086.md): McDonnell Douglas MDHC-369E · Okahumpka, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 1997 · N765KV · No damage
  > The failure of the crewmember to use the necessary safety equipment, and his subsequent fall from an elevated platform. A factor was the crewmember's distraction with an animal.
- [NTSB MIA96TA236](https://openairdocs.org/ntsb/MIA96TA236.md): Bell 206B III · Flamingo, FL · Accident · No injuries · Final report · Sep 30, 1996 · N2113Z · Substantial damage
  > the wire strike protection guide became entangled in a mangrove branch which resulted in helicopter control not being maintained.
- [NTSB MIA95LA078](https://openairdocs.org/ntsb/MIA95LA078.md): Hughes 500C · Key Largo, FL · Accident · No injuries · Limited investigation · Final report · Feb 20, 1995 · N7172Z · Substantial damage
  > The pilot's misjudgment of altitude and failure to apply collective cushioning pitch during an autorotation resulting in a hard landing. Contributing to the accident was a total loss of engine power due to a loose coupling B-nut on the pneumatic fuel control…
- [NTSB MIA94LA144](https://openairdocs.org/ntsb/MIA94LA144.md): Bell 206B · St. Petersburg, FL · Accident · Minor injuries · Limited investigation · Final report · May 19, 1994 · N72Z · Substantial damage
  > The failure of the number five bearing, shaft, or thomas coupling for undetermined reasons. Contributing to the accident was the pilot-in-command's delayed response in conducting the emergency procedure by not reducing the throttle to idle position, and…
- [NTSB MIA76FKT32](https://openairdocs.org/ntsb/MIA76FKT32.md): Bell 206B · Delray Beach, FL · Accident · Serious injuries · Closed · Nov 26, 1975 · N750LT · 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_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."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03020'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.