# NTSB investigations: Lycoming IO-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 · 62 cases

## Latest cases

- [NTSB DEN08CA016](https://openairdocs.org/ntsb/DEN08CA016.md): Robinson R-44 II · Cleveland, GA · Accident · No injuries · Data collection · Final report · Oct 21, 2007 · N223Z · Substantial damage
  > the student pilot's failure to maintain control of the helicopter during the landing, resulting in substantial damage to the helicopter. Contributing to the accident was the windy conditions.
- [NTSB NYC07FA226](https://openairdocs.org/ntsb/NYC07FA226.md): Piper PA-32R-301 · Whitfield, AL · Accident · 1 fatal · Field investigation · Final report · Sep 13, 2007 · N109PA · Destroyed
  > The pilot’s intentional flight into known thunderstorms.
- [NTSB SEA07FA199](https://openairdocs.org/ntsb/SEA07FA199.md): Cessna 182S · New River, AZ · Accident · 2 fatal · Field investigation · Final report · Jul 15, 2007 · N2454M · Substantial damage
  > The pilot's inadvertent VFR flight into IMC and his ensuing failure to maintain aircraft control while in cruise flight. Contributing factors were the cloudy weather and the dark night conditions.
- [NTSB CHI07FA046](https://openairdocs.org/ntsb/CHI07FA046.md): Rockwell International 114 · Jasper, TN · Accident · 2 fatal · Field investigation · Final report · Dec 26, 2006 · N55MB · Substantial damage
  > The pilot's inability to maintain altitude due to excessive airframe ice accretion, resulting in an in-flight collision with trees and terrain. Additional causes were the pilot's continued flight in icing conditions once they had been encountered, and his…
- [NTSB SEA06FA159](https://openairdocs.org/ntsb/SEA06FA159.md): Robinson R44 II · Warrenton, OR · Accident · 3 fatal · Field investigation · Final report · Aug 13, 2006 · N168PT · Destroyed
  > The pilot's intentional flight into instrument meteorological conditions while maneuvering which resulted in an in flight collision with terrain/water.
- [NTSB LAX06LA247](https://openairdocs.org/ntsb/LAX06LA247.md): Robinson R44 · Flagstaff, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2006 · N74780 · Substantial damage
  > the pilot's inadequate preflight planning decision to take off under a low ceiling into an area of mountainous terrain that resulted in an encounter with lowering clouds and forced the pilot to land in unfavorable terrain.
- [NTSB ANC06LA025](https://openairdocs.org/ntsb/ANC06LA025.md): Robinson R44 · Ilimana, AK · Accident · No injuries · Limited investigation · Final report · Mar 12, 2006 · N7528Z · Substantial damage
  > The pilot's continued flight into adverse weather conditions, and his spatial disorientation and loss of control during a subsequent landing attempt. Factors associated with the accident are flat light and whiteout conditions, fog, and snow-covered terrain.
- [NTSB LAX06FA054](https://openairdocs.org/ntsb/LAX06FA054.md): Piper PA-32RT-300 · Kingsburg, CA · Accident · 2 fatal · Field investigation · Final report · Dec 10, 2005 · N3039B · Destroyed
  > The pilot's in-flight decision to continue VFR flight into instrument meteorological conditions during descent, which resulted in an in-flight collision with trees and terrain. Fog, low ceiling, and obscuration were factors.
- [NTSB ATL05LA154](https://openairdocs.org/ntsb/ATL05LA154.md): Samson Seawind 3000 · Wrightsville Bh, NC · Accident · 2 fatal · Limited investigation · Final report · Aug 28, 2005 · N88PS · Destroyed
  > The pilot's improper preflight decision to attempt night VFR flight into IMC, which resulted in an inflight encounter with weather and the pilot's subsequent loss of control of the airplane due to spatial disorientation.
- [NTSB NYC05CA037](https://openairdocs.org/ntsb/NYC05CA037.md): Piper PA-32RT-300 · Johnstown, NY · Accident · No injuries · Data collection · Final report · Dec 29, 2004 · N300WE · Substantial damage
  > The pilot's inadequate in-flight planning/decision which resulted in airframe ice with subsequent degradation of aircraft performance, and inadequate airspeed during the landing flare.
- [NTSB CHI04FA215](https://openairdocs.org/ntsb/CHI04FA215.md): Jorgensen Velocity XL-RG · Belvidere, KS · Accident · 1 fatal · Field investigation · Final report · Aug 7, 2004 · N190J · Destroyed
  > The non-instrument rated pilot's VFR flight into known instrument meteorological conditions and his failure to maintain aircraft control which resulted in an inverted flat spin, in-flight breakup, and explosion.
- [NTSB DEN04LA086](https://openairdocs.org/ntsb/DEN04LA086.md): Eagle DW-1 · Circleville, UT · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 2004 · N8805D · Destroyed
  > the encounter with severe turbulence during aerial application and the pilot's inability to maintain aircraft control resulting in the in-flight collision with terrain. A contributing factor was the low altitude.
- [NTSB NYC04FA136](https://openairdocs.org/ntsb/NYC04FA136.md): Piper PA-32-300 · Leominster, MA · Accident · 2 fatal · Field investigation · Final report · Jun 2, 2004 · N21072 · Destroyed
  > The pilot's failure to follow instrument flight procedures resulting in a collision with trees. A factor related to the accident was the low cloud ceiling, and dark night.
- [NTSB ATL04FA093](https://openairdocs.org/ntsb/ATL04FA093.md): Cessna 182S · North Augusta, SC · Accident · 3 fatal · Field investigation · Final report · Apr 12, 2004 · N364ME · Substantial damage
  > The pilot's failure to maintain control of the airplane due to spatial disorientation, which resulted in an uncontrolled descent and subsequent in-flight collision with trees and the ground.
- [NTSB NYC04FA092](https://openairdocs.org/ntsb/NYC04FA092.md): Piper PA-32R-301 · Harlan, KY · Accident · 6 fatal · Field investigation · Final report · Mar 22, 2004 · N8173U · Destroyed
  > The pilot's improper decision to continue VFR flight into IMC conditions and his failure to maintain terrain clearance, which resulted in controlled flight into terrain. Factors were night, snow and a low ceiling.
- [NTSB NYC03FA024](https://openairdocs.org/ntsb/NYC03FA024.md): Socata TB-20 · Massena, NY · Accident · 1 fatal · Field investigation · Final report · Nov 20, 2002 · N57TB · Substantial damage
  > The pilot's failure to maintain airspeed, which resulted in a stall. Factors in this accident were the icing conditions, deteriorated airplane performance due to ice accumulation, and control interference by the passenger as reported by the pilot.
- [NTSB NYC03FA015](https://openairdocs.org/ntsb/NYC03FA015.md): Cessna 182S · Accident, MD · Accident · 1 fatal · Field investigation · Final report · Oct 31, 2002 · N7099L · Substantial damage
  > The pilots improper in-flight decision to continue flight into known adverse weather conditions. A factor related to the accident was the icing conditions.
- [NTSB FTW03FA016](https://openairdocs.org/ntsb/FTW03FA016.md): Piper PA-32-301 · Paron, AR · Accident · 6 fatal · Field investigation · Final report · Oct 20, 2002 · N4353Y · Destroyed
  > The pilot's failure to maintain altitude/clearance from terrain. Contributing factors were the low ceiling, the pilot's decision to fly in known adverse weather conditions, and his lack of an instrument rating.
- [NTSB NYC02LA167](https://openairdocs.org/ntsb/NYC02LA167.md): Piper PA32-300 · Chatham, MA · Accident · No injuries · Limited investigation · Final report · Aug 16, 2002 · N20787 · Substantial damage
  > The pilot's improper in-flight decision to continue the landing after losing visual contact with the runway, which resulted in his failure to obtain the proper touchdown point, and the subsequent overrun. Factors in this accident were the clouds and low…
- [NTSB ATL02LA144](https://openairdocs.org/ntsb/ATL02LA144.md): Piper PA-32RT-300 · Atlantic Ocean, Bahamas · Accident · 5 fatal · Limited investigation · Final report · Jul 20, 2002 · N9738C · Destroyed
  > The pilot continued VFR flight into IMC and thunderstorm conditions which resulted in spatial disorientation and subsequent loss of control of the airplane.
- [NTSB FTW02FA192](https://openairdocs.org/ntsb/FTW02FA192.md): Piper PA-24-260 · Gorman, TX · Accident · 4 fatal · Field investigation · Final report · Jun 30, 2002 · N8681P · Destroyed
  > The pilot's loss of control and the exceedence of the design limits of the airplane which resulted in an in-flight break-up. A factor was inadvertent VFR flight into IMC.
- [NTSB LAX02FA031](https://openairdocs.org/ntsb/LAX02FA031.md): Aero Commander 500S · Eagleville, CA · Accident · 5 fatal · Field investigation · Final report · Nov 21, 2001 · N900RA · Destroyed
  > the pilot's encounter with forecast mountain wave conditions, moderate or greater turbulence, and icing, with downdrafts that likely exceeded the climb capability of the airplane, which was encountered at an altitude that precluded recovery. Also causal in…
- [NTSB LAX02FA019](https://openairdocs.org/ntsb/LAX02FA019.md): Cessna 182S · Little River, CA · Accident · 1 fatal · Field investigation · Final report · Nov 1, 2001 · N7270E · Destroyed
  > the pilot's continued VFR flight into instrument meteorological conditions, which resulted in a collision with trees and terrain.
- [NTSB ATL01FA105](https://openairdocs.org/ntsb/ATL01FA105.md): Piper PA-32R-301 · Byhalia, MS · Accident · 2 fatal · Field investigation · Final report · Sep 8, 2001 · N8398Z · Destroyed
  > The pilot's improper evaluation of weather conditions which lead to an inflight encounter with turbulent weather resulting in an in flight break up of the airframe, and subsequent uncontrolled descent into terrain. A factor was the pilot's drug impairment.
- [NTSB ANC01FA106](https://openairdocs.org/ntsb/ANC01FA106.md): Maule M-6-235 · Kotzebue, AK · Accident · 1 fatal · Field investigation · Final report · Aug 13, 2001 · N56467 · Destroyed
  > The pilot's failure to maintain adequate clearance from an obstruction (antenna tower), and his continued flight into instrument meteorological conditions. Factors associated with the accident were low ceilings, and low visibility.
- [NTSB ANC01FA093](https://openairdocs.org/ntsb/ANC01FA093.md): Piper PA-32-300 · Haines, AK · Accident · 6 fatal · Field investigation · Final report · Jul 30, 2001 · N39586 · Destroyed
  > The pilot's continued flight into known adverse weather conditions, and his poor in-flight decision making. Factors associated with the accident were clouds and mountainous terrain. A finding is the pilot's use of FAA prohibited drugs.
- [NTSB CHI00LA073](https://openairdocs.org/ntsb/CHI00LA073.md): Piper PA-23-250 · Amery, WI · Accident · No injuries · Limited investigation · Final report · Feb 15, 2000 · N106RS · Substantial damage
  > the pilots failure to maintain directional control. Factors to the accident were the icing conditions, the snow and ice covered runway and the snowbank.
- [NTSB SEA00LA034](https://openairdocs.org/ntsb/SEA00LA034.md): Cessna 182S · Kennewick, WA · Accident · No injuries · Limited investigation · Final report · Dec 30, 1999 · N374TC · Substantial damage
  > The pilot's decision to continue flight into known icing conditions, and his subsequent failure to maintain adequate airspeed on final approach, resulting in a hard landing. Factors included: icing conditions; the pilot's improper decision to continue to his…
- [NTSB ANC00LA013](https://openairdocs.org/ntsb/ANC00LA013.md): Maule M7-235C · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Nov 15, 1999 · N5657A · Substantial damage
  > The pilot's intentional takeoff into known adverse weather. Factors associated with this accident are crosswinds, gusts, and downdrafts.
- [NTSB ANC00LA009](https://openairdocs.org/ntsb/ANC00LA009.md): Piper PA-32-300 · Russian Mission, AK · Accident · No injuries · Limited investigation · Final report · Oct 28, 1999 · N31606 · Substantial damage
  > The pilot's continued flight into adverse weather, and an inadvertent stall. Factors in the accident were adverse weather consisting of icing conditions, and airframe icing.
- [NTSB FTW99FA104](https://openairdocs.org/ntsb/FTW99FA104.md): Piper PA-46-350P · Waldron, AR · Accident · 1 fatal · Field investigation · Final report · Apr 4, 1999 · N497CA · Destroyed
  > The pilot's encounter with adverse weather and loss of aircraft control, which resulted in exceeding the aircraft's design stress limits. Factors were the pilot's lack of total experience in the make and model of airplane, and the icing and thunderstorm…
- [NTSB MIA99LA096](https://openairdocs.org/ntsb/MIA99LA096.md): Piper PA-23-250 · Stuart, FL · Accident · No injuries · Limited investigation · Final report · Feb 28, 1999 · N2313Z · Substantial damage
  > The inadequate touchdown resulting in a hard landing on the nose landing gear and subsequent structural damage.
- [NTSB DEN99LA026](https://openairdocs.org/ntsb/DEN99LA026.md): Piper PA-46-350P · Granby, CO · Accident · No injuries · Limited investigation · Final report · Dec 15, 1998 · N9255B · Substantial damage
  > The in-flight encounter with clear air turbulence during descent.
- [NTSB ANC98LA165](https://openairdocs.org/ntsb/ANC98LA165.md): Maule ML-7 · Wasilla, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 30, 1998 · N6110C · Substantial damage
  > The pilot's inadequate compensation for the wind conditions, resulting in an inadvertent stall. Contributing factors were the gusty and turbulent weather conditions.
- [NTSB FTW98FA185](https://openairdocs.org/ntsb/FTW98FA185.md): Young Glasair III · St. Martinville, LA · Accident · 2 fatal · Field investigation · Final report · Apr 17, 1998 · N238BC · Destroyed
  > The pilot's failure to maintain control of the aircraft as a result of VFR flight into instrument meteorological conditions and flight into known adverse weather conditions. Contributing factors were turbulence, clouds, dark night and lack of an instrument…
- [NTSB MIA98FA040](https://openairdocs.org/ntsb/MIA98FA040.md): Commander 114B · Cross City, FL · Accident · 3 fatal · Field investigation · Final report · Nov 30, 1997 · N302RS · Destroyed
  > VFR flight by the noninstrument-rated pilot into instrument meteorological conditions (IMC), and his failure to maintain control of the aircraft, due to spatial disorientation, which resulted in an uncontrolled descent and collision with the terrain (tree,…
- [NTSB LAX97LA303](https://openairdocs.org/ntsb/LAX97LA303.md): Fleming Glassair III · Dunsmuir, CA · Accident · 1 fatal · Limited investigation · Final report · Nov 14, 1996 · N77DF · Destroyed
  > was the pilot's intentional flight into marginal meteorological conditions in mountainous terrain during dark nighttime conditions.
- [NTSB ANC96FA137](https://openairdocs.org/ntsb/ANC96FA137.md): Piper PA-32 · Haines, AK · Accident · Serious injuries · Field investigation · Final report · Sep 2, 1996 · N2181Z · Substantial damage
  > the pilot's inadvertent flight into instrument meteorological conditions (IMC) failure to maintain adequate altitude/clearance from terrain, while maneuvering to reverse the direction of flight. Factors associated with the accident were: the pilot's…
- [NTSB MIA96LA123](https://openairdocs.org/ntsb/MIA96LA123.md): Vernon L. Cox COX-HAWK · Mebane, NC · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 1996 · N7VC · Destroyed
  > The pilot's inadvertent flight into instrument meteorological conditions in an airplane not equipped with appropriate instrumentation which led to the pilot's inability to maintain control and spatial disorientation. In addition, during an attemped recovery…
- [NTSB ANC96LA027](https://openairdocs.org/ntsb/ANC96LA027.md): Piper PA-32-301 · Nome, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 1996 · N8374T · Substantial damage
  > the pilot's continued VFR flight into instrument meteorological conditions and his failure to maintain adequate altitude/clearance from terrain. Low ceilings and snow covered terrain were factors in the accident.
- [NTSB MIA96FA048](https://openairdocs.org/ntsb/MIA96FA048.md): Piper PA-32-301 · Memphis, TN · Accident · 2 fatal · Field investigation · Final report · Dec 19, 1995 · N8349Z · Destroyed
  > the pilot's continued flight into known forecast icing conditions which resulted in the aircraft developing an ice buildup, and the pilot's failure to maintain control of the aircraft. The icing conditions was a factor.
- [NTSB CHI96FA049](https://openairdocs.org/ntsb/CHI96FA049.md): Piper PA-32R-301T · Parker, KS · Accident · 1 fatal · Field investigation · Final report · Dec 12, 1995 · N14BA · Destroyed
  > the pilot's impairment of judgment and performance due to a drug (cocaine); his improper in-flight decision to continue flight over an overcast condition and then to descend into instrument meteorological conditions (IMC); his failure to maintain control of…
- [NTSB NYC96LA013](https://openairdocs.org/ntsb/NYC96LA013.md): Piper PA-32 · Honsdale, PA · Accident · No injuries · Limited investigation · Final report · Oct 16, 1995 · N39964 · Substantial damage
  > the pilot's improper evaluation of the weather briefing, and his decision to fly into known forecasted moderate to severe icing conditions. Factors in the accident were the adverse weather conditions encountered during the flight and landing.
- [NTSB ANC95LA172](https://openairdocs.org/ntsb/ANC95LA172.md): Maule M-7-235 · Aniak, AK · Accident · No injuries · Limited investigation · Final report · Sep 21, 1995 · N56564 · Substantial damage
  > The pilot's inadequate weather evaluation. Factors associated with the accident were: the box canyon, rising terrain, wind gusts, and downdrafts.
- [NTSB MIA95FA037](https://openairdocs.org/ntsb/MIA95FA037.md): Piper PA-32RT-300 · Sylvan Springs, AL · Accident · 1 fatal · Field investigation · Final report · Dec 11, 1994 · N6517C · Destroyed
  > Poor in-flight planning/decision by the pilot-in-command for failure to deviate to an alternate airport after encountering icing conditions in an airplane not certificated for flight in icing conditions. Also, failure of the pilot to maintain altitude…
- [NTSB ATL94FA075](https://openairdocs.org/ntsb/ATL94FA075.md): Piper PA-32RT-300 · Smithville, TN · Accident · 1 fatal · Field investigation · Final report · Apr 7, 1994 · N9710C · Destroyed
  > The pilot's failure to obtain recent weather information to avoid flight into icing conditions. Factors in the accident were: management-induced pressure and the icing conditions.
- [NTSB BFO94FA021](https://openairdocs.org/ntsb/BFO94FA021.md): Piper PA32R-301 · Butler, PA · Accident · 1 fatal · Field investigation · Final report · Nov 28, 1993 · N707JS · Destroyed
  > The pilot's inadvertent flight into IMC conditions and his failure to maintain proper altitude. The weather conditions were a factor.
- [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 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 MKC90LA040](https://openairdocs.org/ntsb/MKC90LA040.md): Piper PA-32-301 · Norfolk, NE · Accident · No injuries · Limited investigation · Final report · Dec 29, 1989 · N8157R · Substantial damage
  > Inproper in-flight planning/decision by the pilot and his delay in diverting to an alternate airport, which resulted in fuel exhaustion due to an inadequate supply of fuel. Factors related to the accident were: the adverse weather conditions, the pilot's lack…

Next page: https://openairdocs.org/ntsb.md?engine=41530&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 ('41530', '41585')
    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=41530&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.