# NTSB investigations: 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. Page 34 of 72 · 3,567 cases ## Cases, newest first - [NTSB BFO91LA063](https://openairdocs.org/ntsb/BFO91LA063.md): Piper PA-23-250 · New Market, VA · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 1991 · N63817 · Destroyed > The pilot's inadequate inflight decision that resulted in VFR flight into IMC. - [NTSB ATL91LA123](https://openairdocs.org/ntsb/ATL91LA123.md): Boeing 757-232 · Alma, GA · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 1991 · N605DL · No damage > Turbulence in clouds, which was associated with a dissipating thunderstorm. - [NTSB ANC91LA089](https://openairdocs.org/ntsb/ANC91LA089.md): Cessna 170B · Prospect Creek, AK · Accident · No injuries · Limited investigation · Final report · Jul 4, 1991 · N3158A · Substantial damage > Continued VFR flight into instrument meteorological conditions (IMC) by the pilot, and his delay in reversing course (remedial action). The terrain and weather conditions were related factors. - [NTSB NYC91LA164](https://openairdocs.org/ntsb/NYC91LA164.md): Airbus Industrie A-300-605R · Newark, NJ · Accident · Serious injuries · Limited investigation · Final report · Jul 2, 1991 · N41063 · No damage > The inadvertent encounter with in-flight turbulence, resulting in serious injuries to a crewmember and a passenger. - [NTSB FTW91LA114](https://openairdocs.org/ntsb/FTW91LA114.md): Schempp-Hirth Ventus CM · Marfa, TX · Accident · No injuries · Limited investigation · Final report · Jul 2, 1991 · N9999R · Substantial damage > The pilot misjudged the approach. Factors were the high density altitude, the downdraft, and the dteriorted climb performance. - [NTSB BFO91FA061](https://openairdocs.org/ntsb/BFO91FA061.md): Mooney M20J · Waynesboro, VA · Accident · 1 fatal · Field investigation · Final report · Jul 1, 1991 · N5809J · Destroyed > The pilots failure to maintain aircraft control which resulted in overstress of the airplane. Contributing was VFR flight into IMC and thunderstorms. - [NTSB MIA91LA174](https://openairdocs.org/ntsb/MIA91LA174.md): Piper J3C-65 · Brooker, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 29, 1991 · N98337 · Substantial damage > Failure of the noncertificated pilot to obtain a weather briefing before departure & failure to maintain directional control after the precautionary landing. Contributing to the accident was lack of suitable terrain. - [NTSB LAX91FA280](https://openairdocs.org/ntsb/LAX91FA280.md): Mitsubishi MU-2B-36A · Goleta, CA · Accident · 4 fatal · Field investigation · Final report · Jun 29, 1991 · N2CJ · Destroyed > The pilot's failure to maintain directional control of the airplane after becoming spatially disoriented. Factors related to the accident were: darkness, low overcast cloud condition, the pilot's decision to continue VFR flight into instrument meteorological… - [NTSB DEN91LA091](https://openairdocs.org/ntsb/DEN91LA091.md): Boeing E75N1 · Vail, CO · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1991 · N45747 · Substantial damage > A severe downdraft. A factor was: the pilot's failure to obtain a weather briefing. - [NTSB ATL91FA124](https://openairdocs.org/ntsb/ATL91FA124.md): Piper PA-28 · Mt. Berry, GA · Accident · 2 fatal · Field investigation · Final report · Jun 25, 1991 · N91SM · Destroyed > The pilot's inadequate preflight planning, his poor inflight decision to continue into deteriorating weather conditions, and his inadvertent flight into IMC. Factors in this accident were: the clouds obscuring the mountain at the time of the accident, and the… - [NTSB FTW91LA119](https://openairdocs.org/ntsb/FTW91LA119.md): Rolladen-Schneider LS-6 · Boerne, TX · Accident · No injuries · Limited investigation · Final report · Jun 22, 1991 · N6MN · Substantial damage > The pilot's failure to release at a higher altitude prior to looking for thermal activity and the pilot's poor in-flight planning. Factors were the downdraft and the tall grass encountered during landing. - [NTSB SEA91LA134](https://openairdocs.org/ntsb/SEA91LA134.md): Luscombe 8E · Rock Springs, WY · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 1991 · N2587K · Substantial damage > The pilot's inadequate preflight planning and decision to attempt flights in unfavorable environmental codnitions. The environmental conditions were factors in the accident. - [NTSB BFO91LA055](https://openairdocs.org/ntsb/BFO91LA055.md): Boeing 747-400 · Philadelphia, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 1991 · PHBFG · No damage > Failure of the pilot to ensure cabin crew members were prepared for an encounter with turbulence. - [NTSB CHI91LA189](https://openairdocs.org/ntsb/CHI91LA189.md): Cessna 180 · Wausa, NE · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 1991 · N1721C · Substantial damage > The pilot's delayed decision to turn around after encountering IFR flight conditions. Factors were restricted forward visibility and power lines. - [NTSB LAX91FA247](https://openairdocs.org/ntsb/LAX91FA247.md): Cessna C-172 · Lakeside, CA · Accident · 1 fatal · Field investigation · Final report · Jun 6, 1991 · N5814A · Destroyed > The failure of the pilot to request radar assistance to avoid low ceilings in high terrain and the pilot's inadequate visual outlook which ultimately resulted in an inflight collision with high terrain. Contributing to the accident were the weather conditions… - [NTSB LAX91LA245](https://openairdocs.org/ntsb/LAX91LA245.md): Cessna R182 · Williams, AZ · Accident · Minor injuries · Limited investigation · Final report · Jun 5, 1991 · N484ER · Substantial damage > That the flight encountered windshear and that aircraft control was not possible. - [NTSB CHI91DTG01](https://openairdocs.org/ntsb/CHI91DTG01.md): Cessna 172P · Bismarck, ND · Accident · 1 fatal · Final report · Jun 1, 1991 · N5478K · Destroyed > Spatial disorientation. Factors related to the accident are failure to obtain a preflight weather brief, vrf flight into IMC conditions and lack of total experience. - [NTSB NYC91FA145](https://openairdocs.org/ntsb/NYC91FA145.md): Piper PA-32RT-300 · Wallingford, CT · Accident · 1 fatal · Field investigation · Final report · May 31, 1991 · N36069 · Destroyed > The pilot attempting a VFR flight in adverse weather conditions, at an altitude that was insufficient to clear trees along his route of flight. Factors related to the accident were the pilot's lack of instrument rating, and his overconfidence to fly in… - [NTSB CHI91IA175](https://openairdocs.org/ntsb/CHI91IA175.md): Douglas DC-9-32 · Kansas City, MO · Incident · Minor injuries · Incident investigation · Final report · May 29, 1991 · N933ML · No damage > Inadequate design by the manufacturers. Factors associated with the incident are inadequate certification/approval by the federal aviation administration and clear air turbulence. - [NTSB SEA91FA119](https://openairdocs.org/ntsb/SEA91FA119.md): Stinson 108-2 · Gold Bar, WA · Accident · 2 fatal · Field investigation · Final report · May 25, 1991 · N9715K · Destroyed > The pilot's continued VFR flight into instrument meteorological conditions (IMC), and his failure to remain clear of the obstacles (trees). The adverse weather condition (fog) was a related factor. - [NTSB NYC91DGT04](https://openairdocs.org/ntsb/NYC91DGT04.md): George E Heide, JR. Moni Motorglider · Annville, PA · Accident · No injuries · Final report · May 20, 1991 · N107GH · Substantial damage > The pilot's intentional landing on unsuitable terrain due to a loss of altitude precipitated by a downdraft. - [NTSB LAX91LA220](https://openairdocs.org/ntsb/LAX91LA220.md): Piper PA-23-250 · Gasquet, CA · Accident · 2 fatal · Limited investigation · Final report · May 20, 1991 · N49DB · Destroyed > The pilot's decision to attempt VFR flight in a narrow mountain valley in conditions of low ceilings and mountain obscurement. - [NTSB DEN91LA069](https://openairdocs.org/ntsb/DEN91LA069.md): Challenger II · Silt, CO · Accident · 1 fatal · Limited investigation · Final report · May 9, 1991 · N425DE · Destroyed > An in flight encounter with wind conditions which exceeded the aircraft performance capability. A factor was: the pilot's failure to obtain available en route weather information. - [NTSB LAX91LA202](https://openairdocs.org/ntsb/LAX91LA202.md): Cessna 140 · Ojai, CA · Accident · Minor injuries · Limited investigation · Final report · May 7, 1991 · N89828 · Substantial damage > The pilot's inadequate compensation for the wind condition. A factor related to the accident was the downdraft weather condition. - [NTSB LAX91LA192](https://openairdocs.org/ntsb/LAX91LA192.md): Cessna 180 · Truckee, CA · Accident · No injuries · Limited investigation · Final report · May 4, 1991 · N9147C · Substantial damage > That the pilot improperly used the flight controls and brakes to arrest the runway excursion. Contributing to this accident was encountering unfavorable winds, crosswind conditions, and lack of experience in this type of airplane. - [NTSB ATL91LA091](https://openairdocs.org/ntsb/ATL91LA091.md): Boeing B767-287ER · Memphis, TN · Accident · Serious injuries · Limited investigation · Final report · May 4, 1991 · N651US · No damage > The delayed inflight decision by the pilot to maneuver the aircraft away from thunderstorm activity. - [NTSB LAX91FA190](https://openairdocs.org/ntsb/LAX91FA190.md): Mooney M20F · Quincy, CA · Accident · 4 fatal · Field investigation · Final report · May 2, 1991 · N9624M · Destroyed > The pilot's inadvertent flight into IMC and thereafter his failure to maintain directional control of his airplane. Factors which contributed to the accident related to the pilot's improper weather evaluation which resulted in his delayed emergency procedure,… - [NTSB FTW91LA075](https://openairdocs.org/ntsb/FTW91LA075.md): Cessna 337D · Alpine, TX · Accident · No injuries · Limited investigation · Final report · May 2, 1991 · N86116 · Substantial damage > The pilot's failure to maintain directional control of the airplane. A factor was the pilot's continued takeoff in unfavorable wind. - [NTSB CHI91LA145](https://openairdocs.org/ntsb/CHI91LA145.md): Aeronca 7EC · O'Neill, NE · Accident · No injuries · Limited investigation · Final report · Apr 26, 1991 · N4652E · Substantial damage > The pilot's selection of unsuitable terrain for a precautionary landing. Factors were the pilot's disregarding the weather briefing and his intentional flight into adverse weather. - [NTSB LAX91FA181](https://openairdocs.org/ntsb/LAX91FA181.md): Piper PA-28-181 · Carpenteria, CA · Accident · 4 fatal · Field investigation · Final report · Apr 21, 1991 · N8019N · Destroyed > 1) Inadequate weather evaluation by the pilot, 2) poor inflight decision to try and continue VMC flight, and 3) the pilot's lack of total experience. - [NTSB ATL91FA084](https://openairdocs.org/ntsb/ATL91FA084.md): Cessna 172N · Dunlap, TN · Accident · 2 fatal · Field investigation · Final report · Apr 20, 1991 · N5738J · Destroyed > The pilot-in-command's inadequate preflight planning/preparation, his attempted VFR flight into IFR conditions, and his subsequent failure to maintain a proper altitude. Factors in the accident were: the mountainous terrain, the foggy, low ceiling conditions… - [NTSB SEA91LA260](https://openairdocs.org/ntsb/SEA91LA260.md): Aero Commander S-2R · Grangeville, ID · Accident · 1 fatal · Limited investigation · Final report · Apr 15, 1991 · N5539X · Destroyed > The improper decision by the pilot to continue VFR flight in IMC weather conditions in mountainous terrain, resulting in pilot disorientation and inadvertent flight into a box canyon. Factors relating to the accident were the rain showers and low ceiling… - [NTSB LAX91LA177](https://openairdocs.org/ntsb/LAX91LA177.md): Piper PA28-236 · Gualala, CA · Accident · No injuries · Limited investigation · Final report · Apr 11, 1991 · N2915G · Substantial damage > That the pilot failed to properly use the flight controls and to maintain directional control. Contributing to this accident were the gusty crosswind conditions that existed at the time of the accident. - [NTSB NYC91FA115](https://openairdocs.org/ntsb/NYC91FA115.md): Cessna 172G · New Bedford, MA · Accident · 2 fatal · Field investigation · Final report · Apr 9, 1991 · N6005R · Destroyed > The pilot's improper planning/decision and failure to maintain proper altitude after encountering adverse weather at low altitude. The adverse weather (fog) was a related factor. - [NTSB CHI91FA126](https://openairdocs.org/ntsb/CHI91FA126.md): Beech F.33A · Chippewa Falls, WI · Accident · 2 fatal · Field investigation · Final report · Apr 9, 1991 · N8012T · Destroyed > The first pilot's continued flight in known adverse weather. Factors in the accident were the first pilot's poor weather evaluation, the second pilot's complacency and the first pilot's self induced pressure to complete a checkout in model. - [NTSB LAX91LA163](https://openairdocs.org/ntsb/LAX91LA163.md): Schempp-Hirth Ventus B/16.6 · Lake Cobb, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 7, 1991 · N81PT · Substantial damage > That the pilot's visual lookout was improper. Contributing to this accident was the unmarked transmission wire. - [NTSB CHI91DCG01](https://openairdocs.org/ntsb/CHI91DCG01.md): Akins Stinger · Blairstown, MO · Accident · 1 fatal · Final report · Apr 4, 1991 · N7XR · Destroyed > An inflight breakup after the pilot encountered weather, lost control inflight, & exceeded the design limits of the airplane. A factor was the pilot's decision to fly into known adverse weather. - [NTSB NYC91FA099](https://openairdocs.org/ntsb/NYC91FA099.md): Piper PA-32-260 · Naples, NY · Accident · 2 fatal · Field investigation · Final report · Apr 2, 1991 · N3667W · Destroyed > Flight by the pilot into known icing conditions, which resulted in structural (wing) ice and subsequent loss of aircraft control. The weather condition was a related factor. - [NTSB LAX91LA155](https://openairdocs.org/ntsb/LAX91LA155.md): Schweizer SGS1-26-D · Warner Springs, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 2, 1991 · N7562 · Destroyed > That the pilot used poor planning/decision and failed to maintain flying speed. Contributing to his accident was the loss of thermal lift and lack of experience in this type of aircraft. - [NTSB ATL91FA073](https://openairdocs.org/ntsb/ATL91FA073.md): Piper PA-24-250 · Franklin, TN · Accident · 1 fatal · Field investigation · Final report · Mar 30, 1991 · N7457P · Destroyed > The pilot's failure to select a proper fuel tank for flight, resulting in fuel starvation to the engine, and subsequent engine stoppage. Factors were the pilot's inadequate evaluation of the weather conditions along his route of flight, and his flight into… - [NTSB MIA91LA111](https://openairdocs.org/ntsb/MIA91LA111.md): Piper PA-28R-180 · New Port Richey, FL · Accident · No injuries · Limited investigation · Final report · Mar 29, 1991 · N7454J · Substantial damage > In-flight encounter with wind gusts while flaring to land and failure of the pilot to maintain directional control and failure to perform a goaround. - [NTSB DEN91FA056](https://openairdocs.org/ntsb/DEN91FA056.md): Cessna 421C · Cortez, CO · Accident · 5 fatal · Field investigation · Final report · Mar 29, 1991 · N3851C · Destroyed > The pilot's improper IFR procedures. Factors were: the existing weather conditions and the pilot's failure to obtain a preflight briefing. - [NTSB ANC91FA042](https://openairdocs.org/ntsb/ANC91FA042.md): Cessna 206 · Homer, AK · Accident · 4 fatal · Field investigation · Final report · Mar 29, 1991 · N6216U · Destroyed > VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude, while maneuvering over water. Factors related to the accident were: the snow shower and probable whiteout conditions. - [NTSB ANC91LA038](https://openairdocs.org/ntsb/ANC91LA038.md): Cessna 207 · Saint Marys, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 27, 1991 · N9968M · Substantial damage > The pilot-in-command's failure to maintain VFR flight in instrument meteorological conditions while maneuvering on a VFR flight plan. Factors related to the accident was the pic's failure to evaluate the weather conditions that existed. - [NTSB MIA91FA107](https://openairdocs.org/ntsb/MIA91FA107.md): Beech 95-B55 · Chassahowitzka, FL · Accident · 3 fatal · Field investigation · Final report · Mar 24, 1991 · N95BE · Destroyed > The pilot in commands continued VFR flight into IFR conditions resulting in an inflight loss of control and an inflight collision with the ground. - [NTSB ATL91FA069](https://openairdocs.org/ntsb/ATL91FA069.md): Piper PA-28R-200 · Ashland, AL · Accident · 4 fatal · Field investigation · Final report · Mar 22, 1991 · N7523C · Destroyed > Continued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficience altitude/clearance above the wooded terrain. Factors related to the accident were: the adverse weather conditions, high terrain, and the… - [NTSB LAX91FA138](https://openairdocs.org/ntsb/LAX91FA138.md): Piper PA-28R-201T · Vacaville, CA · Accident · 2 fatal · Field investigation · Final report · Mar 20, 1991 · N2776M · Destroyed > The pilot's continued VFR flight at night under low clouds, and his failure to maintain sufficient altitude over rising terrain. Factors related to the accident were: darkness, the adverse weather and terrain conditions, and the controller's inaccurate… - [NTSB BFO91FA031](https://openairdocs.org/ntsb/BFO91FA031.md): Cessna 182F · Princeton, WV · Accident · Serious injuries · Field investigation · Final report · Mar 14, 1991 · N3529Y · Destroyed > The pilot's inadequate inflight decision which resulted in airframe icing. - [NTSB LAX91FA133](https://openairdocs.org/ntsb/LAX91FA133.md): Cessna 320D · Gorman, CA · Accident · 3 fatal · Field investigation · Final report · Mar 13, 1991 · N3302Q · Destroyed > VFR flight into instrument meteorological conditions (IMC) by the pilot, and his failure to maintain sufficient altitude/clearance from mountainous terrain. Factors related to the accident were: the terrain and weather conditions. - [NTSB ANC91LA034](https://openairdocs.org/ntsb/ANC91LA034.md): Cessna 120 · Atigan Pass, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1991 · N77316 · Substantial damage > The pilot continued to fly VFR into IFR conditions. Related to the accident were: low ceilings, whiteout conditions, and the mountainous terrain. Next page: https://openairdocs.org/ntsb.md?occurrence=240&page=35 ## 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 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&page=34 --- 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.