# NTSB investigations: Allison 250 SER 250HP, LA 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 CEN22LA009](https://openairdocs.org/ntsb/CEN22LA009.md): Bell 206 · Gonzales, LA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 6, 2021 · N373SP · Substantial damage > The student pilot’s failure to compensate for an unanticipated right yaw, which resulted in a loss of tail rotor effectiveness and helicopter control. - [NTSB CEN17LA174](https://openairdocs.org/ntsb/CEN17LA174.md): Bell 407 · Venice, LA · Accident · No injuries · Limited investigation · Final report · May 2, 2017 · N457PH · Substantial damage > An in-flight separation of the tip block from the tail rotor blade due to an inadequate blade repair, which resulted in a rotor imbalance sufficient to crack the gearbox attachment studs and gearbox support assembly, and inadequate postrepair test procedures,… - [NTSB DFW05CA044](https://openairdocs.org/ntsb/DFW05CA044.md): Bell B206L-1 · Patterson, LA · Accident · No injuries · Data collection · Final report · Dec 9, 2004 · N5007F · Substantial damage > The loss of engine power due to fuel starvation resulting from the pilot's failure to activate the fuel boost pumps prior to takeoff. A contributing factor was that the helicopter was at an airspeed and altiutude combination (below height/velocity curve)… - [NTSB FTW04FA186](https://openairdocs.org/ntsb/FTW04FA186.md): Bell 206 L-1 · Cameron, LA · Accident · 1 fatal · Field investigation · Final report · Jul 17, 2004 · N1078C · Destroyed > The helicopter's in-flight collision with water for undetermined reasons. - [NTSB CHI03FA259](https://openairdocs.org/ntsb/CHI03FA259.md): Bell 206L-3 · E.I. 276, LA · Accident · 3 fatal · Field investigation · Final report · Aug 13, 2003 · N41128 · Substantial damage > The inadequate compensation for crosswind conditions and the directional control not obtained/maintained by the pilot during takeoff. Contributing factors were the crosswind and the planned approach to position the helicopter with a crosswind in order to… - [NTSB FTW97LA326](https://openairdocs.org/ntsb/FTW97LA326.md): Bell 206B · Oak Grove, LA · Accident · No injuries · Limited investigation · Final report · Aug 23, 1997 · N7929J · Substantial damage > The disconnect of the #5 tail rotor drive segment due to the debonding of the joint between the shaft tube and the flange fitting. Factors were the improper bead blasting of the tail rotor drive segment by an unknown maintenance personnel, and the lack of… - [NTSB FTW95LA032](https://openairdocs.org/ntsb/FTW95LA032.md): Bell 206L-3 · Ruston, LA · Accident · No injuries · Limited investigation · Final report · Oct 27, 1994 · N206SF · Substantial damage > The pilot's improper handling of the helicopter after an apparent loss of power during a practice autorotation. - [NTSB FTW94LA093](https://openairdocs.org/ntsb/FTW94LA093.md): Bell 206BIII · Lake Charles, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 1994 · N57340 · Substantial damage > The failure of the pilot to adequately perform a preflight. A factor was the soft terrain. - [NTSB FTW85LA089](https://openairdocs.org/ntsb/FTW85LA089.md): Bell 206L-1 · Houma, LA · Accident · No injuries · Limited investigation · Final report · Dec 28, 1984 · N1075Y · Substantial damage > The plt departed into known bad wx with low ceilings and poor visibility. Very shortly after takeoff the plt elected to return to the arpt. During a descending right turn the plt broke out of IMC at a very low altitude. He pulledcollective but still landed… - [NTSB FTW82FRJ17](https://openairdocs.org/ntsb/FTW82FRJ17.md): Bell 206B · Jamestown, LA · Accident · Serious injuries · Final report · Aug 27, 1982 · N5754P · Destroyed > The pilot was conducting aerial burning operations over a wooded area when he heard a loud bang from the engine area of the helicopter. At that time, the helicopter was approximately 20 ft above the tallest tree in the area with the aerial torch burning. The… - [NTSB FTW81DA081](https://openairdocs.org/ntsb/FTW81DA081.md): Bell 206L-1 · Leeville, LA · Accident · Minor injuries · Closed · Apr 25, 1981 · N5000Y · Substantial damage - [NTSB FTW80FA111](https://openairdocs.org/ntsb/FTW80FA111.md): Sikorsky S-76 · Patterson, LA · Accident · Minor injuries · Closed · Sep 3, 1980 · N766AL · Destroyed - [NTSB FTW80FA030](https://openairdocs.org/ntsb/FTW80FA030.md): Bell 206B · Montegut, LA · Accident · 1 fatal · Closed · Jan 3, 1980 · N30TA · 2 aircraft · Destroyed - [NTSB FTW79DRD09](https://openairdocs.org/ntsb/FTW79DRD09.md): Bell 206B · Lutcher, LA · Accident · Minor injuries · Closed · Nov 25, 1978 · N33TA · Substantial damage - [NTSB FTW77FA062](https://openairdocs.org/ntsb/FTW77FA062.md): Bolkow BO-105 · Cameron, LA · Accident · No injuries · Closed · Jun 20, 1977 · N152BB · Substantial damage - [NTSB FTW77DRD21](https://openairdocs.org/ntsb/FTW77DRD21.md): Bell 206B · Cameron, LA · Accident · Minor injuries · Closed · May 7, 1977 · N7902J · Substantial damage - [NTSB FTW76AF101](https://openairdocs.org/ntsb/FTW76AF101.md): Bolkow BO105C · Intracoastal, LA · Accident · 1 fatal · Closed · Jun 13, 1976 · N149BB · Substantial damage - [NTSB FTW76FRD16](https://openairdocs.org/ntsb/FTW76FRD16.md): Bell 206B · Morgan City, LA · Accident · No injuries · Closed · Nov 2, 1975 · N7847S · Substantial damage ## 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" = 'LA' 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 ('03002', '03003')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=03002&state=LA --- 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.