# NTSB investigations: Pratt & Whitney PT6A series: In flight encounter with weather 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 LAX08MA007](https://openairdocs.org/ntsb/LAX08MA007.md): Cessna 208B · Naches, WA · Accident · 10 fatal · Major investigation · Final report · Oct 8, 2007 · N430A · Destroyed > The pilot's failure to maintain an adequate airspeed to avoid an aerodynamic stall while maneuvering. Contributing to the accident were the pilot's impaired physiological state due to hypoxia, the pilot's inadequate preflight weather evaluation, and his… - [NTSB SEA06LA112](https://openairdocs.org/ntsb/SEA06LA112.md): de Havilland DHC-3T · Port Townsend, WA · Accident · No injuries · Limited investigation · Final report · Jun 1, 2006 · N606KA · Substantial damage > The pilot's misjudgment of the airplane's height above the water during a precautionary landing which resulted in a hard landing. Contributing factors were glassy water conditions, fog, and the pilot's inadvertent VFR flight into IMC. - [NTSB DFW06CA031](https://openairdocs.org/ntsb/DFW06CA031.md): Air Tractor AT-502B · Osceola, AR · Accident · No injuries · Data collection · Final report · Nov 10, 2005 · N5075P · Substantial damage > The pilot's failure to maintain control of the airplane while on final approach. A contributing factor was the gusty winds. - [NTSB DEN05LA109](https://openairdocs.org/ntsb/DEN05LA109.md): Piper PA46-500TP · Canon City, CO · Accident · No injuries · Limited investigation · Final report · Jul 1, 2005 · N804JH · Substantial damage > the pilot's failure to maintain directional control during the landing roll. Contributing factors include the crosswind and windshear conditions. - [NTSB CHI04FA043](https://openairdocs.org/ntsb/CHI04FA043.md): Piper PA46-500TP · Daytona Beach, FL · Accident · 2 fatal · Field investigation · Final report · Dec 17, 2003 · N155BM · Destroyed > The unqualified pilot's continued flight into known instrument meteorological conditions which resulted in spatial disorientation and subsequent loss of aircraft control. Factors were the pilot's lack of instrument flight experience and the low ceiling. - [NTSB NYC04IA023](https://openairdocs.org/ntsb/NYC04IA023.md): Cessna 208B · Bangor, ME · Incident · No injuries · Incident investigation · Final report · Nov 5, 2003 · N805TH · Minor damage > The pilot's inability to see through the windshield, which was obscured due to icing conditions. This resulted in the pilot's inadequate flare, and a subsequent hard landing. A factor contributing to the accident was the wing icing. - [NTSB ANC03LA071](https://openairdocs.org/ntsb/ANC03LA071.md): Cessna 208B · Kotzebue, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 9, 2003 · N410GV · No damage > The airplane encountered unforecast turbulence, which resulted in serious injury to the pilot. - [NTSB FTW03FA089](https://openairdocs.org/ntsb/FTW03FA089.md): Cessna 208B · San Angelo, TX · Accident · Serious injuries · Field investigation · Final report · Jan 24, 2003 · N944FE · Destroyed > The flight crew's failure to cycle the deice boots prior to conducting a simulated forced landing and their failure to maintain adequate airspeed during the maneuver, which resulted in an inadvertent stall and subsequent loss of control. A contributing factor… - [NTSB DEN03FA012](https://openairdocs.org/ntsb/DEN03FA012.md): Cessna 208B · Parks, AZ · Accident · 4 fatal · Field investigation · Final report · Nov 8, 2002 · N514DB · Destroyed > the pilot's improper in flight planning/decision making, his flight into known icing conditions, and his failure to maintain adequate airspeed which resulted in the inadvertent stall/spin and impact with terrain. Factors contributing to the accident were the… - [NTSB ANC02FA020](https://openairdocs.org/ntsb/ANC02FA020.md): Cessna 208B · Barrow, AK · Accident · No injuries · Field investigation · Final report · Mar 6, 2002 · N208TF · Substantial damage > The pilot's continued flight into adverse weather conditions, and an inadvertent stall. Factors associated with the accident are fog, obscuration, and icing conditions. - [NTSB DEN01FA041](https://openairdocs.org/ntsb/DEN01FA041.md): Beech 65-A90 · Lake Point, UT · Accident · 9 fatal · Field investigation · Final report · Jan 15, 2001 · N616F · Destroyed > the pilot's exercise of poor judgment and his failure to maintain a safe altitude/clearance above the water. Contributing factors were the weather conditions that included low ceiling and visibility obscured by snow and mist, an inadequately equipped airplane… - [NTSB ATL00LA018](https://openairdocs.org/ntsb/ATL00LA018.md): Cessna 208B · Adjuntas, PR · Accident · Serious injuries · Limited investigation · Final report · Dec 23, 1999 · N1315A · Destroyed > The pilot continued flight into adverse weather conditions that included low ceiling and turbulence. Factors to the accident were trees. - [NTSB DCA98MA002](https://openairdocs.org/ntsb/DCA98MA002.md): Cessna 208B · Montrose, CO · Accident · 9 fatal · Major investigation · Final report · Oct 8, 1997 · N12022 · Destroyed > the pilot's failure to maintain sufficient airspeed for undetermined reasons while maneuvering the airplane near the maximum gross weight and aft cg in or near instrument meteorological conditions, resulting in the loss of control and entry into a stall/spin.… - [NTSB FTW96FA399](https://openairdocs.org/ntsb/FTW96FA399.md): Ayres S2R-T45 · Granger, TX · Accident · 1 fatal · Field investigation · Final report · Sep 23, 1996 · N3107B · Destroyed > the pilot's inadvertent flight into adverse weather conditions, and subsequent loss of aircraft control due to spatial disorientation. Factors relating to the accident were darkness, the prevailing fog and low ceilings, the inadequate flight instruments… - [NTSB FTW95FA399](https://openairdocs.org/ntsb/FTW95FA399.md): Air Tractor AT-502A · Coleman, TX · Accident · 1 fatal · Field investigation · Final report · Sep 21, 1995 · N91969 · Destroyed > the pilot's continued flight into adverse weather resulting in spatial disorientation and loss of control. A factor was the pilot's improper weather evaluation and the weather. - [NTSB FTW95FA129](https://openairdocs.org/ntsb/FTW95FA129.md): Cessna 208B · Ardmore, OK · Accident · Minor injuries · Field investigation · Final report · Mar 2, 1995 · N9448B · Substantial damage > The pilot's continued flight into adverse weather conditions. Factors were the icing conditions prevailing at the destination airport, and the pilot's inability to maintain visual lookout due to windshield icing. - [NTSB LAX92LA133](https://openairdocs.org/ntsb/LAX92LA133.md): Helio HST-550A · Salome, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 1, 1992 · N550HZ · Destroyed > The pilot's inadequate in-flight planning, improper altitude, and delaying the required remedial action to prevent the collision with the mountain. Contributing to the accident was the unfavorable wind and downdraft 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034') 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" = 240)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=52032&occurrence=240 --- 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.