# NTSB investigations: Bell 206B, 1997 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 FTW98TA072](https://openairdocs.org/ntsb/FTW98TA072.md): Bell 206B-III · Reserve, NM · Accident · Serious injuries · Final report · Dec 18, 1997 · N124DA · Substantial damage > The pilot's inadvertent loss of tail rotor effectiveness. A factor was the high density altitude weather condition. - [NTSB ANC98TA011](https://openairdocs.org/ntsb/ANC98TA011.md): Bell 206B · Anchorage, AK · Accident · No injuries · Final report · Dec 5, 1997 · N83146 · Substantial damage > The pilot's failure to maintain adequate rotor RPM during an autorotation landing. - [NTSB SEA98LA013](https://openairdocs.org/ntsb/SEA98LA013.md): Bell 206B · Forest Grove, OR · Accident · No injuries · Limited investigation · Final report · Nov 8, 1997 · N101LF · Destroyed > Excessive deceleration of the helicopter by the pilot-in-command, resulting in an in-flight main rotor blade strike on the helicopter's external load line and subsequent main rotor separation. Downhill terrain which led to a descending approach to the pickup… - [NTSB ANC98LA003](https://openairdocs.org/ntsb/ANC98LA003.md): Bell 206-B2 · Sutton, AK · Accident · No injuries · Limited investigation · Final report · Oct 15, 1997 · N86TA · Substantial damage > The pilot's failure to maintain clearance between the tail rotor and the external long line cable, and the subsequent entanglement of the tail rotor with the long line. - [NTSB IAD98FA005](https://openairdocs.org/ntsb/IAD98FA005.md): Bell 206B · Sago, WV · Accident · 4 fatal · Field investigation · Final report · Oct 12, 1997 · N911RH · Destroyed > The improper overhaul of the turbine governor by the manufacturer, which resulted in the loss of power. - [NTSB FTW97LA364](https://openairdocs.org/ntsb/FTW97LA364.md): Bell 206B2 · Anahuac, TX · Accident · Serious injuries · Limited investigation · Final report · Sep 25, 1997 · N59396 · Destroyed > the pilot's inability to maintain control of the helicopter after encountering a dynamic rollover due to entanglement of the external load cable with the left landing gear skid. - [NTSB LAX97LA317](https://openairdocs.org/ntsb/LAX97LA317.md): Bell 206B · Napa, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1997 · N770GG · Substantial damage > Failure of the pilot to perform an adequate preflight, which resulted in him failing to notice and release the tie down chains. - [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 ANC97GA126](https://openairdocs.org/ntsb/ANC97GA126.md): Bell BH-206B · Dillingham, AK · Accident · 1 fatal · Final report · Aug 21, 1997 · N18FH · Destroyed > The pilot's intentional VFR flight into instrument meteorological conditions (IMC). Factors associated with the accident are the pilot's failure to activate the cabin heating system, the lack of an operable windshield defogger, the pilot's overconfidence in… - [NTSB LAX97LA262](https://openairdocs.org/ntsb/LAX97LA262.md): Bell 206B · Pollock Pines, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 26, 1997 · N123WF · No damage > the passenger's failure to recognize and avoid the hazard associated with the rotating tail rotor. The operator/event organizer's lack of ground facilities or support personnel to assist/control passenger access to the helipad was a related factor. - [NTSB FTW97LA252](https://openairdocs.org/ntsb/FTW97LA252.md): Bell 206B · New Iberia, LA · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 1997 · N49661 · Substantial damage > the pilot's improper in-flight planning/decision. A related factor was his failure to follow the company procedure of maintaining visual contact with the external long-line cable, while hovering with it attached. - [NTSB FTW97FA208](https://openairdocs.org/ntsb/FTW97FA208.md): Bell 206B · Intracoastl Cty, LA · Accident · 1 fatal · Field investigation · Final report · Jun 1, 1997 · N115AL · 2 aircraft · Substantial damage > The failure of both pilots to see and avoid each other's aircraft. Factors were the failure of the pilot of N2773A to use the available traffic advisory service and the failure of the operator of N2773A to make the use of traffic advisory services a company… - [NTSB MIA97FA172](https://openairdocs.org/ntsb/MIA97FA172.md): Bell 206B · Winter Park, FL · Accident · Serious injuries · Field investigation · Final report · May 22, 1997 · N61PP · Destroyed > The pilots improper in-flight planning/decision to conduct an out of ground effect hover with a tailwind resulting in an in-flight loss of directional control due to loss of tailrotor effectiveness/unanticipated right yaw, and subsequent in-flight collision… - [NTSB LAX97LA185](https://openairdocs.org/ntsb/LAX97LA185.md): Bell 206B · Hilo, HI · Accident · 1 fatal · Limited investigation · Final report · May 18, 1997 · N98AW · Destroyed > the noninstrument-rated pilot flew into instrument conditions and failed to maintain adequate terrain clearance, while attempting to descend through an overcast. The adverse weather conditions and mountainous terrain were related factors. - [NTSB LAX97LA110](https://openairdocs.org/ntsb/LAX97LA110.md): Bell 206B · Mountain Spring, NV · Accident · Serious injuries · Limited investigation · Final report · Feb 24, 1997 · N42SS · Destroyed > the pilot's poor weather evaluation and the decision to continue to attempt to land during forecast adverse weather conditions. ## 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 year(c."eventDate") = 1997 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181511')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=1181511&year=1997 --- 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.