# NTSB investigations, OK: 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 DFW07LA164](https://openairdocs.org/ntsb/DFW07LA164.md): Boeing B737-800 · McAlester, OK · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2007 · N929AN · No damage > An in-flight encounter with clear air turbulence, which resulted in a serious injury to a flight attendant. - [NTSB FTW03LA056](https://openairdocs.org/ntsb/FTW03LA056.md): Cessna 172M · Vici, OK · Accident · No injuries · Limited investigation · Final report · Dec 3, 2002 · N4470R · Substantial damage > The pilot's departure and continued flight into adverse weather conditions. Contributing factors were the icing conditions, and the lack of suitable terrain for the precautionary landing. - [NTSB FTW03LA011](https://openairdocs.org/ntsb/FTW03LA011.md): Brantly Helicopter B-2B · Vinson, OK · Accident · No injuries · Limited investigation · Final report · Oct 12, 2002 · N9008H · Substantial damage > The pilot's inadvertent flight into adverse weather conditions during cruise resulting in his failure to maintain control of the helicopter, and his failure to maintain rotor rpm. Contributing factors relating to the accident included the frontal activity… - [NTSB FTW00LA221](https://openairdocs.org/ntsb/FTW00LA221.md): Luscombe 8A · Kingfisher, OK · Accident · No injuries · Limited investigation · Final report · Jul 27, 2000 · N71620 · Destroyed > The pilot's failure to maintain aircraft control. A factor was the downdraft weather condition. - [NTSB FTW99FA044](https://openairdocs.org/ntsb/FTW99FA044.md): Beech 58 · Newcastle, OK · Accident · 1 fatal · Field investigation · Final report · Dec 6, 1998 · N1826S · Destroyed > the pilot's loss of control due to his inadvertent encounter with severe turbulence and wind shear during an instrument approach. Factors contributing to the accident were the severe turbulence and the wind shear. - [NTSB FTW99FA020](https://openairdocs.org/ntsb/FTW99FA020.md): Beech B19 · Hobart, OK · Accident · 2 fatal · Field investigation · Final report · Nov 8, 1998 · N9740L · Destroyed > The pilot's continued VFR flight into instrument meteorological conditions and his failure to maintain terrain clearance. Factors were the low ceiling, fog, dark night conditions, and the pilot's failure to obtain a weather briefing prior to the flight. - [NTSB FTW96FA073](https://openairdocs.org/ntsb/FTW96FA073.md): Cessna 421C · Cleveland, OK · Accident · 6 fatal · Field investigation · Final report · Dec 21, 1995 · N421EP · Destroyed > the pilot's continued VFR flight into instrument meteorological conditions (IMC), and his failure to maintain control of the airplane after encountering adverse weather conditions, which resulted in a stall/spin. Factors relating to the accident were: pilot… - [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 FTW95FA114](https://openairdocs.org/ntsb/FTW95FA114.md): Rockwell 690A · Guthrie, OK · Accident · 2 fatal · Field investigation · Final report · Feb 12, 1995 · N69TM · Destroyed > The pilot's failure to maintain adequate airspeed due to airframe ice, which resulted in a loss of control. Factors contributing to the accident were the pilot's continued flight into adverse weather, his failure to obtain weather information either before or… - [NTSB FTW95FA071](https://openairdocs.org/ntsb/FTW95FA071.md): Cessna 182G · Muskogee, OK · Accident · 3 fatal · Field investigation · Final report · Dec 21, 1994 · N3229S · Destroyed > Failure of the pilot to maintain control of the airplane due to spatial disorientation after inadvertently flying into adverse weather. Factors related to the accident were: darkness, the low ceiling, the pilot's inadequate evaluation of the weather, and his… - [NTSB FTW94FA208](https://openairdocs.org/ntsb/FTW94FA208.md): Piper PA-28R-201T · Southard, OK · Accident · 1 fatal · Field investigation · Final report · Jun 19, 1994 · N9766K · Destroyed > The pilot's continued flight into known adverse weather resulting in the design limits of the airplane being exceeded. Factors were the thunderstorms and the pilot's disregard for the forecasted adverse weather. - [NTSB FTW93FA128](https://openairdocs.org/ntsb/FTW93FA128.md): Cessna 172M · Hobart, OK · Accident · 2 fatal · Field investigation · Final report · Apr 13, 1993 · N61529 · Destroyed > Inadvertent stall. Factors were the instructor pilot's spatial disorientation, his lack of total instrument time, the weather, and the dark night conditions. - [NTSB FTW93LA043](https://openairdocs.org/ntsb/FTW93LA043.md): Cessna 182 · Washington, OK · Accident · Minor injuries · Limited investigation · Final report · Nov 27, 1992 · N5520B · Substantial damage > The pilot's failure to maintain proper clearance over the fence. - [NTSB FTW91DPJ03](https://openairdocs.org/ntsb/FTW91DPJ03.md): Grimm Cavalier SA102.5 · Mcalester, OK · Accident · 2 fatal · Final report · Jul 25, 1991 · N413P · Destroyed > The pilot's attempted flight into IMC and his subsequent loss of control due to spatial disorientation. - [NTSB FTW90FA093](https://openairdocs.org/ntsb/FTW90FA093.md): Mooney M-20J · Inola, OK · Accident · 1 fatal · Field investigation · Final report · Apr 10, 1990 · N526L · Destroyed > The pilot's decision to conduct the flight into known adverse weather and his inability to maintain control of the airplane due to spatial disorientation. Factors were the dark night conditions and thunderstorms. - [NTSB FTW90FA062](https://openairdocs.org/ntsb/FTW90FA062.md): Piper PA-32-300 · Coalgate, OK · Accident · 4 fatal · Field investigation · Final report · Feb 1, 1990 · N9235Z · Destroyed > Flight into known adverse weather conditions by the non-instrument rated pilot, and his subsequent spatial disorientation, which resulted in a loss of aircraft control. Factors related to the accident were: inoperative instrument panel lights, dark night,… - [NTSB FTW89LA104](https://openairdocs.org/ntsb/FTW89LA104.md): Bell 47D-1 · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · May 26, 1989 · N2202C · Substantial damage > The flight instructor failed to recognize that the aircraft was developing a dangerous sink rate during the autorotation and take corrective action by executing a power recovery. Contributing to the accident were the gusty wind conditions. - [NTSB MKC89FA102](https://openairdocs.org/ntsb/MKC89FA102.md): Cessna 150H · Carnegie, OK · Accident · 2 fatal · Field investigation · Final report · May 4, 1989 · N22875 · Destroyed > Continued VFR flight by the pilot into instrument meteorological conditions, which resulted in subsequent collision with rising/hilly terrain. Related factors were: inadequate preflight planning/preparation by the pilot, dark night, adverse weather… - [NTSB FTW88FA164](https://openairdocs.org/ntsb/FTW88FA164.md): Piper PA-28R-201T · Okmulgee, OK · Accident · 1 fatal · Field investigation · Final report · Sep 18, 1988 · N47806 · Destroyed > Non-instrument rated pilot's intentional flight into an area of adverse weather associated with thunderstorms, heavy precipitation, and turbulence. The pilot experienced vertigo and lost control of the aircraft. The aircraft then sustained an infight breakup… - [NTSB FTW88DPJ08](https://openairdocs.org/ntsb/FTW88DPJ08.md): Cessna 152 · Heavener, OK · Accident · Minor injuries · Final report · Jul 20, 1988 · N68700 · Substantial damage > During a cross country training flight, the non-instrument rated pilot flew into IMC conditions while descending. The pilot attempted to climb into VFR conditions but when that was not successful a descent was begun in an effort to breakout into VFR… - [NTSB FTW88FA046](https://openairdocs.org/ntsb/FTW88FA046.md): Beech B36TC · Woodward, OK · Accident · Serious injuries · Field investigation · Final report · Jan 5, 1988 · N6624N · Substantial damage > Before tkof, the plt was briefed on flt precautions for IFR & snow; however, he was not adzd of icing conds in clouds & precip above the freezing lvl to 18,000' as cautioned in the current area forecast. While climbing after tkof, he enctrd clouds & 'some… - [NTSB MIA87FA248](https://openairdocs.org/ntsb/MIA87FA248.md): Boeing 727 · Tulsa, OK · Accident · No injuries · Field investigation · Final report · Sep 16, 1987 · N8857E · Substantial damage > The crew of the Boeing 727 aircraft on a domestic passenger flight initiated an approach to a runway with a known crosswind and tailwind component. On final approach the tower controllers re-stated the wind and issued a windshear warning. On short final at… - [NTSB FTW87FA123](https://openairdocs.org/ntsb/FTW87FA123.md): Piper PA-32R-301 · Porter, OK · Accident · 2 fatal · Field investigation · Final report · May 23, 1987 · N81796 · Destroyed > Acft was observed in a rt bank when it experienced an inflt breakup. Both wings, vert stab and rudder, and the horz stab and trim tab separated prior to impact. Wx was dark night with scattered to broken cloud cover, but VFR. Although a wx rpt 33 NM northwest… - [NTSB FTW87FA031](https://openairdocs.org/ntsb/FTW87FA031.md): Cessna 172K · El Reno, OK · Accident · 2 fatal · Field investigation · Final report · Dec 15, 1986 · N736XP · Destroyed > Private pilot of Cessna 172K attempted VFR flight in IFR flight conditions. Contacted okc approach control and requested special VFR approach during hours of darkness. Approach denied special VFR due to lack of instrument qualification of pilot. Pilot was… - [NTSB DEN86FA150](https://openairdocs.org/ntsb/DEN86FA150.md): Beech A36TC · Marietta, OK · Accident · 2 fatal · Field investigation · Final report · Jun 4, 1986 · N1835W · Destroyed > The plt obtained a wx briefing and was advised of scattered thunderstorm activity along his route of flt. The plt then filed an IFR flt plan from wiley post airport, Oklahoma city, OK, to houston intercontinental airport, TX. The plt and his wife took off at… - [NTSB FTW86FA092](https://openairdocs.org/ntsb/FTW86FA092.md): Cessna 210M · Calumet, OK · Accident · 2 fatal · Field investigation · Final report · May 24, 1986 · N750RS · Destroyed > Acft on a night xc flt in marginal VFR to IMC conditions impacted in an 80 deg nose down attitude in a left spiral. Immediately prior to the accident the non-instrument rated pvt plt had indicated that he was IMC and was going to attempt to climb out of it.… - [NTSB FTW86LA048](https://openairdocs.org/ntsb/FTW86LA048.md): Beech H35 · Talihina, OK · Accident · No injuries · Limited investigation · Final report · Mar 25, 1986 · N5531D · Substantial damage > Acft had a long descent from cruise alt of 7500' MSL at reduced power setting due to plt's desire to avoid the moderate turbulence at lower altitudes. On short final, over tall trees, the acft encountered a downdraft. The plt stated that when he applied power… - [NTSB FTW85MA297](https://openairdocs.org/ntsb/FTW85MA297.md): Beech H35 · El Reno, OK · Accident · 3 fatal · Major investigation · Final report · Jul 25, 1985 · N356B · Destroyed > The acft took off at 1054 CDT in VMC with no flt plan. At that time, there was a rprtd ceiling of 1800 ft. at 1112 CDT, the plt rprtd he was at 10,000 ft, 'just reaching the tops.' At 1137 CDT, he stated 'we're about 60 west of oke city, westbound to sayre… - [NTSB FTW85FA343](https://openairdocs.org/ntsb/FTW85FA343.md): Mooney M20J · Bethel, OK · Accident · 1 fatal · Field investigation · Final report · Nov 26, 1984 · N4081H · Destroyed > Despite a wx brief discouraging VFR flt the non-instrument rated plt departed at about 1330 CST. His stated dest was ft. worth, TX which is due north. After takeoff in VMC the acft flew NE toward an unknown dest. A wx study indicated conditions along the… - [NTSB FTW84FA344](https://openairdocs.org/ntsb/FTW84FA344.md): Piper PA-28-161 · Reed, OK · Accident · 3 fatal · Field investigation · Final report · Aug 11, 1984 · N3233Q · Destroyed > Arpt manager reported preflight discussion with plt concerning weather to south (intended direction of flight) but plt stated he didn't think there would be any trouble. Mgr observed acft takeoff and disappear into clouds to the south. Witnesses reported… - [NTSB FTW84LA250](https://openairdocs.org/ntsb/FTW84LA250.md): Beech C35 · Arnett, OK · Accident · Minor injuries · Limited investigation · Final report · May 27, 1984 · N5852C · Substantial damage > According to the plt, the wx for his route of flt was forcast to remain VFR. En route, ceilings at 4000 to 5000 ft MSL were encountered in the vicinity of hobart, OK. As the flt continued the wx deteriorated. In order to maintain VFR conditions, the… - [NTSB FTW84FA242](https://openairdocs.org/ntsb/FTW84FA242.md): Beech BE35G · Wewoka, OK · Accident · 1 fatal · Field investigation · Final report · May 26, 1984 · N215D · Destroyed > The plt was not current in IMC operations nor was the acft certified for instrument lft. After obtaining a wx briefing which forecast a chance of thunderstorms along his route, the plt departed on a x-country. En route the plt contacted Oklahoma city efas and… - [NTSB FTW84FPJ01](https://openairdocs.org/ntsb/FTW84FPJ01.md): Piper PA-22 · Byron, OK · Accident · 2 fatal · Final report · Apr 29, 1984 · N3564A · Destroyed > The acft had impacted the ground at a 60 deg angle. The 1153 wx at ponca city, OK (60 mi east of the crash site) was ceilings obscured to vision & indefinite, with thunderstorms, rain & fog. The ceiling was estimated to be 200 ft obscured. - [NTSB FTW84LA092](https://openairdocs.org/ntsb/FTW84LA092.md): Cessna 175 · Washington, OK · Accident · Minor injuries · Limited investigation · Final report · Dec 10, 1983 · N7666M · Destroyed > About 15 min after tkof the plt became aware that the ground below was covered with fog. The plt found a hold in the obscured ceiling, descended and established visual contact with a field. After circling the plt landed in the field. About halfway down the… - [NTSB FTW84FA084](https://openairdocs.org/ntsb/FTW84FA084.md): Piper PA-22-108 · Pawnee, OK · Accident · 2 fatal · Field investigation · Final report · Dec 4, 1983 · N4579Z · Destroyed > The acft collided with a guy wire on a micro-wave tower during flt in IMC weather. The plt had not received a weather briefing prior to takeoff and after encountering low ceilings the plt attempted to fly along a highway at low alt. The right wing of the acft… - [NTSB FTW84LA081](https://openairdocs.org/ntsb/FTW84LA081.md): Bell 206L-1 · Ardmore, OK · Accident · Minor injuries · Limited investigation · Final report · Dec 2, 1983 · N2005A · Substantial damage > The plt stated that before he took off from Oklahoma city, OK, he called the Oklahoma city fss & obtained a wx briefing. The briefing called for light rain showers, minimum ceiling of 1800 ft, visibility of 3 to 5 miles & no chance of fog, except in low lying… - [NTSB FTW84LA018](https://openairdocs.org/ntsb/FTW84LA018.md): Cessna 182M · Aline, OK · Accident · No injuries · Limited investigation · Final report · Oct 7, 1983 · N91620 · Substantial damage > Before departing norman, OK, the plt obtained a wx briefing from the Oklahoma city fss. During that briefing, he was advised that VFR flt was not recommended. He then took off for dodge city, KS without filling a flt plan. However, en route, he encountered wx… - [NTSB FTW83LA390](https://openairdocs.org/ntsb/FTW83LA390.md): Piper PA-28-140 · Buffalo, OK · Accident · Serious injuries · Limited investigation · Final report · Aug 30, 1983 · N9762W · Destroyed > The acft hit the ground while trying to stay VFR under low ceilings at night. The student plt was returning from a x-country, for which he had no briefing on the weather, when the weather became worse. The student plt circumnavigated some of the thunderstorms… - [NTSB FTW83FA170](https://openairdocs.org/ntsb/FTW83FA170.md): Beech A36 · Enid, OK · Accident · 2 fatal · Field investigation · Final report · Mar 30, 1983 · N18314 · Destroyed > During the early morning hours, the acft crashed at the edge of a wheat field on relatively level terrain. The main wreckage then crossed a road & came to rest in another field. There were no known witnesses. A passing farmer discovered the wreckage at about… - [NTSB FTW83LA065](https://openairdocs.org/ntsb/FTW83LA065.md): Cessna 150 · Nash, OK · Accident · No injuries · Limited investigation · Final report · Dec 22, 1982 · N14084 · Substantial damage > Pilot encountered fog and decided to land in a wheat field looked frozen but was soft and aircraft nosed over. There were 3 local airports within 20 miles. - [NTSB FTW83FPM04](https://openairdocs.org/ntsb/FTW83FPM04.md): Piper PA23-250 · 8 Miles Se Bris, OK · Accident · 2 fatal · Final report · Nov 11, 1982 · N6145Y · Destroyed > The acft departed at 2220 with a planned enroute stop at holdenville, OK. 55 minutes later the acft crashed approximately 8.5 miles from its original departure point. Witnesses describe the wx as very bad due to heavy rain & fog. - [NTSB FTW82FA223](https://openairdocs.org/ntsb/FTW82FA223.md): Piper PA-32R-301 · Hartshorne, OK · Accident · 3 fatal · Field investigation · Final report · Jun 15, 1982 · N8442T · Destroyed > While on a cross-country flight, the pilot was advised by radio of a severe thunderstorm and tornado watch along his route. At 1613 CDT, he was advised of a line of radar returns about 10 miles ahead. He replied that it "looks like a soft spot through there,… - [NTSB FTW82FPJ14](https://openairdocs.org/ntsb/FTW82FPJ14.md): Cessna 172N · Hulen, OK · Accident · 1 fatal · Final report · Mar 17, 1982 · N5608J · Destroyed > The pilot departed lawton, Oklahoma at 0902 local time on a flight to inspect mineral property. At about 0931, the pilot contacted ft. sill approach control and requested vectors to lawton. He was instructed to fly a heading of 320 degrees. After flying that… ## 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" = 'OK' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE 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?occurrence=240&state=OK --- 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.