# NTSB investigations: Lycoming TI0-540 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.

Page 1 of 2 · 65 cases

## Latest cases

- [NTSB CHI07FA305](https://openairdocs.org/ntsb/CHI07FA305.md): Piper PA-32R-301T · Defiance, OH · Accident · 1 fatal · Field investigation · Final report · Sep 26, 2007 · N8341G · Destroyed
  > The pilot's spatial disorientation when he encountered convective turbulence which resulted in a loss of control. This encounter resulted in an in-flight break up. Contributing to the accident was the convective turbulence in the clouds.
- [NTSB DEN07CA110](https://openairdocs.org/ntsb/DEN07CA110.md): Cessna T206H · Steamboat Spngs, CO · Accident · No injuries · Data collection · Final report · Jun 29, 2007 · N72638 · Substantial damage
  > The pilot's inadvertent encounter with adverse weather conditions (dirt devils/whirlwinds) and his inability to control the airplane during that encounter resulting in the airplane impacting the runway, subsequently going off the side of the runway, and…
- [NTSB MIA07LA084](https://openairdocs.org/ntsb/MIA07LA084.md): Piper PA-23-250 · Atlantic Ocean (Atlantic Ocean) · Accident · 5 fatal · Limited investigation · Final report · Apr 21, 2007 · N4TR · Destroyed
  > The pilot's continued visual flight rules flight into known adverse weather conditions, resulting in an in-flight loss of aircraft control. Contributing to the accident were thunderstorms.
- [NTSB LAX06FA186](https://openairdocs.org/ntsb/LAX06FA186.md): Cessna T182T · Burney, CA · Accident · 3 fatal · Field investigation · Final report · May 27, 2006 · N451JE · Destroyed
  > the pilot's decision to continue VFR flight into instrument meteorological conditions and his failure to maintain clearance from mountainous terrain.
- [NTSB DEN06LA050](https://openairdocs.org/ntsb/DEN06LA050.md): Piper PA-23-250 · Emporia, KS · Accident · Serious injuries · Limited investigation · Final report · Mar 20, 2006 · N331FC · Substantial damage
  > the pilot's attempted flight into adverse weather conditions and improper in-flight planning which resulted in loss of control and subsequent impact with trees. Contributing factors were the pilot's delayed remedial action, the icing and dark night conditions.
- [NTSB IAD05LA137](https://openairdocs.org/ntsb/IAD05LA137.md): Piper PA-24-260 · Tiffin, OH · Accident · 1 fatal · Limited investigation · Final report · Sep 18, 2005 · N9311P · Substantial damage
  > The pilot's decision to takeoff in weather below the published takeoff minimums, which resulted in spatial disorientation and the airplane's collision with trees and terrain. Factors in the accident were the instrument meteorological conditions, and the…
- [NTSB DEN05FA128](https://openairdocs.org/ntsb/DEN05FA128.md): Piper PA-32-300 · Vail, CO · Accident · Serious injuries · Field investigation · Final report · Aug 19, 2005 · N4222R · Destroyed
  > the pilot's improper in-flight planning and decision making and failure to maintain clearance from the terrain. Contributing factors include the pilot's attempt to takeoff from the highway, high density altitude, the downdrafts, and the sign.
- [NTSB ATL05LA105](https://openairdocs.org/ntsb/ATL05LA105.md): Cessna T182T · Naples, FL · Accident · 1 fatal · Limited investigation · Final report · Jun 20, 2005 · N53538 · Substantial damage
  > The pilot continued flight into known thunderstorm activity that resulted in the loss of control and the subsequent collision with water. A factor was the controller's failure to provide the pilot with convective intensity.
- [NTSB ATL05FAMS1](https://openairdocs.org/ntsb/ATL05FAMS1.md): Piper PA-23 · Ft Pierce, FL · Accident · 3 fatal · Missing aircraft · Final report · Jun 20, 2005 · N6886Y · Substantial damage
  > The pilot's continued flight into known thunderstorm activity that resulted in the loss of control and the subsequent collision with water. A factor was the controller's failure to provide the pilot with convective intensity.
- [NTSB CHI05CA092](https://openairdocs.org/ntsb/CHI05CA092.md): Mooney M20M · Lincoln, NE · Accident · No injuries · Data collection · Final report · Apr 10, 2005 · N21816 · Substantial damage
  > The pilot inadvertently exceeded the design limits of the airplane during the recovery from the loss of control due to the unanticipated severe turbulence. Factors to the accident were the turbulence in clouds and the main landing gear collapse.
- [NTSB ATL05FA044](https://openairdocs.org/ntsb/ATL05FA044.md): Cessna T206H · Huntsville, AL · Accident · 2 fatal · Field investigation · Final report · Jan 12, 2005 · N2467X · Substantial damage
  > The pilot's decision to attempt flight into known adverse weather, which resulted in an in-flight encounter with a thunderstorm.
- [NTSB FTW04FA208](https://openairdocs.org/ntsb/FTW04FA208.md): Piper PA-32-300 · Burnet, TX · Accident · 2 fatal · Field investigation · Final report · Aug 7, 2004 · N927RP · Destroyed
  > The pilot's continued flight into known adverse weather, VFR flight into instrument meteorological conditions, and his failure to maintain control of the airplane due to spatial disorientation. A contributing factor was the cloudy weather.
- [NTSB NYC04FA170](https://openairdocs.org/ntsb/NYC04FA170.md): Piper PA-32R-301T · Wheeling, WV · Accident · 5 fatal · Field investigation · Final report · Jul 19, 2004 · N7710M · Destroyed
  > The pilot's failure to maintain terrain clearance while executing an instrument approach. A factor was the night instrument meteorological conditions.
- [NTSB MIA04FA100](https://openairdocs.org/ntsb/MIA04FA100.md): Piper PA-23-250 · Baker, FL · Accident · 2 fatal · Field investigation · Final report · Jun 21, 2004 · N54134 · Destroyed
  > The flight crew's inadvertent flight into thunderstorms resulting in the design limits of the airplane being exceeded, loss of aircraft control and subsequent in-flight breakup. A factor in the accident was the lack of required advisory by ATC about a radar…
- [NTSB ANC04LA059](https://openairdocs.org/ntsb/ANC04LA059.md): Piper PA-31-350 · Goodnews, AK · Accident · No injuries · Limited investigation · Final report · May 23, 2004 · N4105D · Substantial damage
  > The pilot's inadequate weather evaluation which resulted in an in-flight encounter with severe turbulence, and his exceedence of the design stress limits resulting in overstress of the wings. A factor contributing to the accident was the presence of…
- [NTSB LAX04FA177](https://openairdocs.org/ntsb/LAX04FA177.md): Piper PA-32R-301T · Ukiah, CA · Accident · 1 fatal · Field investigation · Final report · Apr 4, 2004 · N4130D · Destroyed
  > The non-instrument rated pilot's flight intentional flight into instrument meteorological conditions during takeoff-initial climb, which resulted in spatial disorientation, a subsequent loss of aircraft control, and an uncontrolled descent into terrain. A…
- [NTSB ANC04LA018](https://openairdocs.org/ntsb/ANC04LA018.md): Piper PA-31-350 · Koyukuk, AK · Accident · Serious injuries · Limited investigation · Final report · Jan 2, 2004 · N45008 · Substantial damage
  > The pilot's continued flight into adverse weather conditions, and his failure to maintain clearance from terrain, which resulted in an in-flight collision with terrain. Factors associated with the accident were fog and whiteout weather conditions.
- [NTSB LAX03LA168](https://openairdocs.org/ntsb/LAX03LA168.md): Aero Commander 500B · Grand Canyon, AZ · Accident · Serious injuries · Limited investigation · Final report · May 29, 2003 · N64TS · Substantial damage
  > the pilot's encounter with a wind shear just after liftoff.
- [NTSB ATL03FA089](https://openairdocs.org/ntsb/ATL03FA089.md): Piper PA-32-300 · Calhoun, GA · Accident · 2 fatal · Field investigation · Final report · May 5, 2003 · N32038 · Destroyed
  > The pilot's failure to obtain a preflight weather briefing, which would have indicated that MVFR to IFR conditions prevailed over the route with embedded thunderstorms and rain, and his decision to continue VFR flight into instrument meteorological…
- [NTSB NYC03FA061](https://openairdocs.org/ntsb/NYC03FA061.md): Piper PA-32-300 · Monterey, MA · Accident · 4 fatal · Field investigation · Final report · Mar 3, 2003 · N4072R · Substantial damage
  > The pilot's improper decision to attempt a visual flight rules (VFR) flight in marginal VFR weather conditions over mountainous terrain, which resulted in an in-flight collision with trees. Factors in this accident were clouds and night light conditions.
- [NTSB ATL03FA049](https://openairdocs.org/ntsb/ATL03FA049.md): Piper PA-32-300 · Sylvania, GA · Accident · 1 fatal · Field investigation · Final report · Feb 26, 2003 · N54406 · Destroyed
  > The pilot's decision to conduct VFR flight into instrument meteorological conditions, and his failure to maintain obstacle clearance. Related factors were the guy wire and the fog.
- [NTSB MIA03LA061](https://openairdocs.org/ntsb/MIA03LA061.md): Piper PA-23-250 · Miami, FL · Accident · 4 fatal · Limited investigation · Final report · Feb 17, 2003 · N54835 · Destroyed
  > The non instrument-rated pilot-in-command's improper inflight planning/decision, and continued VFR flight into instrument meteorological conditions, which resulted in a loss of control during descent, and impact with water.
- [NTSB MIA02FA173](https://openairdocs.org/ntsb/MIA02FA173.md): Piper PA-32R-301T · Yeehaw Junction, FL · Accident · 2 fatal · Field investigation · Final report · Sep 24, 2002 · N106JG · Destroyed
  > the pilot's continued flight into known severe weather, resulting in an in-flight separation of the right wing, vertical stabilizer and the stabilator. Factors in this accident were heavy thunderstorm, and failure of the FAA controllers to provide the pilot…
- [NTSB FTW02CA206](https://openairdocs.org/ntsb/FTW02CA206.md): Aero Commander Callair A-9B · El Paso, TX · Accident · Serious injuries · Data collection · Final report · Jul 13, 2002 · N7791V · Substantial damage
  > the loss of control due to the encounter with the dust devil.
- [NTSB NYC02FA106](https://openairdocs.org/ntsb/NYC02FA106.md): Cessna A185F · Pleasant Mount, PA · Accident · 2 fatal · Field investigation · Final report · May 30, 2002 · N1577B · Destroyed
  > The pilot's inadequate in-flight planning/decision resulting in flight into adverse weather, and his failure to maintain aircraft control, resulting in overstress of the aircraft. A factor was the thunderstorm activity.
- [NTSB MIA02LA061](https://openairdocs.org/ntsb/MIA02LA061.md): Smith, Ted Aerostar 601P · Belle Glade, FL · Accident · Serious injuries · Limited investigation · Final report · Feb 16, 2002 · N715RM · Substantial damage
  > the pilot continued flight into known adverse weather resulting in a loss of control and subsequent impact with the ground.
- [NTSB DEN01LA100](https://openairdocs.org/ntsb/DEN01LA100.md): Cessna T206H · Watkins, CO · Accident · No injuries · Limited investigation · Final report · May 2, 2001 · N72582 · Substantial damage
  > the pilot's failure to maintain the proper decent rate during the flare resulting in a hard landing. Contributing factors icing conditions and accumulations of wing ice.
- [NTSB MIA01LA089](https://openairdocs.org/ntsb/MIA01LA089.md): Piper PA-32RT-300T · Gulfport, MS · Accident · 1 fatal · Limited investigation · Final report · Mar 3, 2001 · N911PL · Destroyed
  > the pilot's attempted flight into known adverse weather, resulting in an in flight loss of control, exceedance of design limits of the aircraft, and wing separation prior to collision with water.
- [NTSB ANC01LA027](https://openairdocs.org/ntsb/ANC01LA027.md): Piper PA-31-350 · Deadhorse, AK · Accident · Minor injuries · Limited investigation · Final report · Dec 22, 2000 · N63MB · Substantial damage
  > The pilot's continued VFR flight into instrument meteorological conditions. Factors associated with the accident were clouds, fog, dusk light conditions, and the pilot's self-induced pressure to complete the flight prior to nightfall.
- [NTSB ATL00FA081](https://openairdocs.org/ntsb/ATL00FA081.md): Piper PA-31-350 · Lumber City, GA · Accident · 3 fatal · Field investigation · Final report · Aug 15, 2000 · N801MW · Destroyed
  > Pilot's failure to follow instrument procedures and descended below approach minimums and collided with trees. A factor was low clouds.
- [NTSB DEN99FA123](https://openairdocs.org/ntsb/DEN99FA123.md): Piper PA-32R-301T · Magdalena, NM · Accident · 2 fatal · Field investigation · Final report · Jul 19, 1999 · N22KC · Destroyed
  > The pilot's inadvertent flight into adverse weather and the subsequent in-flight breakup. Factors were the pilot's lack of experience in high altitude flying and the thunderstorm.
- [NTSB NYC99LA073](https://openairdocs.org/ntsb/NYC99LA073.md): Piper PA-32R-300 · Richmond, VA · Accident · No injuries · Limited investigation · Final report · Mar 9, 1999 · N5454F · Substantial damage
  > The pilot's inadequate preflight planning/preparation which resulted in flight into icing weather conditions. A factor related to the accident was restricted visibility through the icy windshield during landing.
- [NTSB MIA96LA066](https://openairdocs.org/ntsb/MIA96LA066.md): Piper PA-32R-300 · Smithville, TN · Accident · Minor injuries · Limited investigation · Final report · Jan 19, 1996 · N4457X · Substantial damage
  > The pilot's improper in-flight planning/decision, which resulted in a heavy load of airframe ice, an inability to maintain altitude, and a subsequent emergency landing. Factors relating to the accident were: the adverse weather (icing) condition, which was…
- [NTSB CHI95LA086](https://openairdocs.org/ntsb/CHI95LA086.md): Piper PA-23-250 · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Feb 16, 1995 · N62711 · Substantial damage
  > an inadequate windshield deicing system for the inflight icing encountered, airframe icing, and the pilot's inability to maintain a proper descent rate. Factors associated with this accident were an inadequate weather forecast and icing conditions.
- [NTSB FTW95LA113](https://openairdocs.org/ntsb/FTW95LA113.md): Piper PA-32-300 · Howard, CO · Accident · 1 fatal · Limited investigation · Final report · Feb 8, 1995 · N41345 · Destroyed
  > The pilot's flight into known adverse weather over mountainous terrain at an inadequate altitude to recover from turbulence/downdraft. Factors related to the accident were: inadequate preflight planning/preparation by the pilot, his inadequate weather…
- [NTSB SEA95FA031](https://openairdocs.org/ntsb/SEA95FA031.md): Piper PA-32R-300 · Grantsville, UT · Accident · 4 fatal · Field investigation · Final report · Dec 19, 1994 · N175MC · Destroyed
  > The VFR pilot's attempt to continue the flight into instrument meteorological conditions, and his failure to maintain altitude/clearance with mountainous terrain.
- [NTSB BFO94FA066](https://openairdocs.org/ntsb/BFO94FA066.md): Piper PA-32R-300 · Salem, OH · Accident · 3 fatal · Field investigation · Final report · Apr 16, 1994 · N8685C · Destroyed
  > VFR flight by the pilot into instrument meteorological conditions (IMC), his loss of aircraft control due to spatial disorientation, and exceeding the design stress limits of the aircraft. Factors related to the accident were: darkness, the adverse weather…
- [NTSB CHI94LA056](https://openairdocs.org/ntsb/CHI94LA056.md): Piper PA-24-250 · Mcintosh, SD · Accident · 1 fatal · Limited investigation · Final report · Dec 22, 1993 · N8003P · Destroyed
  > was continued VFR flight into IMC and the failure to maintain clearance with the terrain. Factors associated with this accident were an inaccurate weather evaluation by the pilot, snow and the rising terrain.
- [NTSB LAX93FA119](https://openairdocs.org/ntsb/LAX93FA119.md): Piper PA-32-300 · Truckee, CA · Accident · 4 fatal · Field investigation · Final report · Feb 15, 1993 · N15267 · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions. The adverse weather conditions contributed to the accident.
- [NTSB DEN93FA012](https://openairdocs.org/ntsb/DEN93FA012.md): Piper PA-32RT-300T · Kersey, CO · Accident · 2 fatal · Field investigation · Final report · Nov 20, 1992 · N39683 · Destroyed
  > Inadvertent stall and loss of control due to structural icing. Factors were: icing conditions, and flight into known adverse weather.
- [NTSB ANC92LA079](https://openairdocs.org/ntsb/ANC92LA079.md): Piper PA-32-300 · Funter Bay, AK · Accident · No injuries · Limited investigation · Final report · May 25, 1992 · N15950 · Substantial damage
  > The pilot's attempted flight into known adverse weather.
- [NTSB ANC92LA031](https://openairdocs.org/ntsb/ANC92LA031.md): Piper PA-32-300 · Tununak, AK · Accident · No injuries · Limited investigation · Final report · Feb 4, 1992 · N76RL · Substantial damage
  > Misjudged wind information. Factors to the accident were: turbulence, crosswind and flight into known adverse weather.
- [NTSB DEN91LA018](https://openairdocs.org/ntsb/DEN91LA018.md): Piper PA-23-250 · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Nov 7, 1990 · N6078Y · Substantial damage
  > An in flight encounter with turbulence. Factors were the pilot's inadequate aircraft preflight.
- [NTSB LAX89LA313](https://openairdocs.org/ntsb/LAX89LA313.md): Piper PA-32R-300 · Mammoth Lakes, CA · Accident · No injuries · Limited investigation · Final report · Sep 17, 1989 · N3929F · Substantial damage
  > The pilot's improper compensation for the existing wind condition and his failure to maintain airspeed. Factors that related to the accident were: the gusty & cross-winds and high density altitude.
- [NTSB MKC89LA141](https://openairdocs.org/ntsb/MKC89LA141.md): Piper PA-23-250 · Bemidji, MN · Accident · No injuries · Limited investigation · Final report · Jun 21, 1989 · N6513Y · Substantial damage
  > The continued approach and landing by the pilot in known adverse weather. Contributing factors were the weather conditions and the ditch.
- [NTSB BFO89FA043](https://openairdocs.org/ntsb/BFO89FA043.md): Piper PA-32-300 · Myersville, MD · Accident · 1 fatal · Field investigation · Final report · Jun 9, 1989 · N1499X · Destroyed
  > Continued flight by the pilot into instrument meteorological conditions (IMC) and his inability to maintain control of the aircraft after becoming spatially disoriented. Contributing factors were hilly/mountainous terrain, weather conditions, the pilot's lack…
- [NTSB MKC89FA110](https://openairdocs.org/ntsb/MKC89FA110.md): Piper PA-24-250 · Winslow, AR · Accident · 2 fatal · Field investigation · Final report · May 15, 1989 · N8199P · Destroyed
  > The pilot flying into adverse weather conditions which resulted in the in-flight separation of a portion of the right wing. Contributing to the accident was the pilot's lack of total experience.
- [NTSB SEA88FA078](https://openairdocs.org/ntsb/SEA88FA078.md): Piper PA-32RT-300T · Port Angeles, WA · Accident · 3 fatal · Field investigation · Final report · Apr 16, 1988 · N36815 · Destroyed
  > Drg arr, the flt was handed off to whidbey island apch ctl at whidbey island (nuw) naval air stn (nas). Nuw was 35 mi NE of the destn (fairchild intl arpt/clm), at Port Angeles, which had no operg ctl twr. The plt was given the nuw wx, which was 400 scat,…
- [NTSB MIA88LA040](https://openairdocs.org/ntsb/MIA88LA040.md): Piper PA-31-310 · West Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Nov 11, 1987 · N112AG · Substantial damage
  > The plt stated that while enroute to West Palm Beach, she encountered severe turbulence. The aft cabin door popped open but remained attached and the flt was continued and lndd w/o further incident. As the plt attempted to restart the engs for the return trip…
- [NTSB FTW88LA014](https://openairdocs.org/ntsb/FTW88LA014.md): Piper PA-23-250 · Brownsville, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 25, 1987 · N5606Y · Substantial damage
  > During initial climb into IFR conditions, the non-multiengine, non-instrument rated mexican certificated private pilot diverted his attention from flying the aircraft to adjust the mixture control on the left engine. The aircraft impacted the ground and…

Next page: https://openairdocs.org/ntsb.md?engine=41533&occurrence=240&page=2

## 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 ('41533')
    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=41533&occurrence=240

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