# NTSB investigations: Collision with terr/obj (non-CFIT)

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 156 of 203 · 10,134 cases

## Cases, newest first

- [NTSB CEN11FA479](https://openairdocs.org/ntsb/CEN11FA479.md): Cessna 150L · Silverton, CO · Accident · 2 fatal · Field investigation · Final report · Jul 14, 2011 · N1539Q · Substantial damage
  > The pilot's failure to maintain control of the airplane while operating it at low levels above mountainous terrain and in excess of its maximum allowable gross weight, which resulted in an aerodynamic stall. The pilot's failure to maintain control resulted…
- [NTSB CEN11CA477](https://openairdocs.org/ntsb/CEN11CA477.md): Piper PA-25-235 · Minot, ND · Accident · No injuries · Data collection · Final report · Jul 14, 2011 · N7709Z · Substantial damage
  > The pilot's inadequate inspection of the takeoff area which resulted in a collision with terrain and the subsequent loss of control during takeoff.
- [NTSB CEN11LA490](https://openairdocs.org/ntsb/CEN11LA490.md): Darrow Stephen AL-6 · Peyton, CO · Accident · No injuries · Limited investigation · Final report · Jul 13, 2011 · N61262 · Substantial damage
  > The loss of engine power during the descent for reasons that could not be determined because a thorough examination of the engine could not be completed due to the remote accident site.
- [NTSB ANC11CA064](https://openairdocs.org/ntsb/ANC11CA064.md): Piper PA-18A 150 · Cordova, AK · Accident · No injuries · Data collection · Final report · Jul 13, 2011 · N9255D · Substantial damage
  > The pilot's failure to maintain sufficient airspeed during approach, resulting in an aerodynamic stall, and collision with terrain.
- [NTSB WPR11LA325](https://openairdocs.org/ntsb/WPR11LA325.md): Hughes 269C · Wenatchee, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 2011 · N3623Z · Substantial damage
  > The pilot's failure to maintain control while hovering out of ground effect at low altitude, which resulted in the helicopter settling into trees.
- [NTSB ERA11LA397](https://openairdocs.org/ntsb/ERA11LA397.md): Gates Lear Jet 35 · Opa-Locka, FL · Accident · No injuries · Limited investigation · Final report · Jul 12, 2011 · N110UN · Substantial damage
  > The flightcrew’s inadvertent encounter with windshear during landing, which resulted in a loss of control.
- [NTSB WPR11CA326](https://openairdocs.org/ntsb/WPR11CA326.md): Maule M-7-235C · Tonasket, WA · Accident · Minor injuries · Data collection · Final report · Jul 11, 2011 · N6YM · Substantial damage
  > The pilot's failure to achieve the proper touchdown point, which resulted in a landing overrun.
- [NTSB WPR11CA322](https://openairdocs.org/ntsb/WPR11CA322.md): Dova Aircraft Sro DV-1 Skylark · Placerville, CA · Accident · Minor injuries · Data collection · Final report · Jul 11, 2011 · N3503C · Substantial damage
  > The pilot's failure to maintain adequate airspeed during takeoff, which resulted in an aerodynamic stall.
- [NTSB WPR11CA321](https://openairdocs.org/ntsb/WPR11CA321.md): Leineke Walter L Thorp T-211 · Cedar City, UT · Accident · Minor injuries · Data collection · Final report · Jul 10, 2011 · N2075U · Substantial damage
  > The pilot's misjudgment of the fuel consumption, which lead to fuel exhaustion. Contributing to the accident was the pilot's lack of experience in the accident airplane.
- [NTSB ERA11LA393](https://openairdocs.org/ntsb/ERA11LA393.md): Piper PA-28-161 · Ormond Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 10, 2011 · N9202C · Substantial damage
  > The loss of engine power due to fuel starvation, which resulted from the flight instructor's inadequate in-flight fuel management.
- [NTSB CEN11CA470](https://openairdocs.org/ntsb/CEN11CA470.md): Rans S7 · Cubero, NM · Accident · No injuries · Data collection · Final report · Jul 10, 2011 · N377JG · Substantial damage
  > The pilot's failure to attain rotation speed prior to takeoff.
- [NTSB ERA11FA391](https://openairdocs.org/ntsb/ERA11FA391.md): Cessna 421C · Demopolis, AL · Accident · 7 fatal · Field investigation · Final report · Jul 9, 2011 · N692TT · Substantial damage
  > The pilot's failure to maintain airplane control during a single-engine approach and his failure to fly an appropriate traffic pattern for a single-engine landing. Contributing to the accident was a total loss of engine power on the right engine due to a…
- [NTSB CEN11FA469](https://openairdocs.org/ntsb/CEN11FA469.md): Bowie Richard Sonerai II · Dudley, MO · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N113RB · Substantial damage
  > Fuel starvation due to the pilot’s improper fuel management and his decision to conduct the flight while under the influence of marijuana.
- [NTSB CEN11FA468](https://openairdocs.org/ntsb/CEN11FA468.md): Robinson Helicopter R44 II · Rising Sun, IN · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N42333 · Substantial damage
  > The noninstrument-rated pilot's decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in his spatial disorientation and failure to maintain clearance from terrain.
- [NTSB CEN11FA467](https://openairdocs.org/ntsb/CEN11FA467.md): Rans S-12 · Scott, AR · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N3266R · Substantial damage
  > The pilot’s loss of airplane control, likely due to a cardiac event.
- [NTSB WPR11LA317](https://openairdocs.org/ntsb/WPR11LA317.md): Schweizer SGS 2-32 · Bigfork, MT · Accident · 1 fatal · Limited investigation · Final report · Jul 8, 2011 · N591CC · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his excessive control inputs during a simulated rope break while taking off, which resulted in an accelerated aerodynamic stall.
- [NTSB CEN11LA464](https://openairdocs.org/ntsb/CEN11LA464.md): Burtner Charles W Derjager D IX · East Liverpool, OH · Accident · Serious injuries · Limited investigation · Final report · Jul 7, 2011 · N7808M · Substantial damage
  > The pilot's improper landing flare, which resulted in a porpoised landing and propeller contact with the runway, which caused an in-flight disintegration of the propeller during the go-around, and subsequent collision with trees.
- [NTSB ANC11LA060](https://openairdocs.org/ntsb/ANC11LA060.md): Sonex / John D. McCarter Waiex · Sterling, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 7, 2011 · N18YX · Substantial damage
  > The pilot's failure to maintain sufficient airspeed to avoid an aerodynamic stall following a loss of engine power for undetermined reasons.
- [NTSB WPR11LA311](https://openairdocs.org/ntsb/WPR11LA311.md): Cessna R182 · Hesperia, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2011 · N7392X · Substantial damage
  > The separation of the end baffle cone inside the muffler, which blocked airflow through the engine after takeoff and resulted in a loss of engine power and an off-airport landing into obstacles.
- [NTSB ERA11CA384](https://openairdocs.org/ntsb/ERA11CA384.md): Aeronca 7DC · Greenland, NH · Accident · No injuries · Data collection · Final report · Jul 6, 2011 · N4375E · Substantial damage
  > The pilot's improper flare, which resulted in a bounced landing, and subsequent loss of control during an attempted go-around maneuver.
- [NTSB CEN11LA460](https://openairdocs.org/ntsb/CEN11LA460.md): Ayres S2R600 · Pine Bluff, AR · Accident · No injuries · Limited investigation · Final report · Jul 6, 2011 · N3101S · Substantial damage
  > The use of an incorrect mounting bolt by maintenance persons to attach the engine torque sensor, which resulted in an internal failure of the torque sensor and subsequent loss of engine power due to fuel starvation.
- [NTSB ANC11CA058](https://openairdocs.org/ntsb/ANC11CA058.md): Aviat A-1B · Palmer, AK · Accident · Serious injuries · Data collection · Final report · Jul 6, 2011 · N949AK · Substantial damage
  > The pilot's decision to fly at a low altitude in mountainous terrain and weather conditions conducive to downdrafts.
- [NTSB WPR11LA305](https://openairdocs.org/ntsb/WPR11LA305.md): Cessna U206 · Nogales, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2011 · N51010 · Substantial damage
  > The pilot did not maintain airplane control during the initial climb.
- [NTSB ERA11LA379](https://openairdocs.org/ntsb/ERA11LA379.md): Piper J3C-65 · Egremont, MA · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2011 · N98550 · Substantial damage
  > A partial loss of engine power due to the No. 4 intake and exhaust valves becoming lodged in the valve guides, which resulted from a lack of use, improper engine storage preparation, and improper return to service from indefinite storage.
- [NTSB ANC11IA059](https://openairdocs.org/ntsb/ANC11IA059.md): Hughes 500D · McGrath, AK · Incident · No injuries · Incident investigation · Final report · Jul 5, 2011 · N315SH · Minor damage
  > A fatigue fracture of the governor-to-fuel control Pc line, which resulted in a partial loss of engine power.
- [NTSB WPR11LA324](https://openairdocs.org/ntsb/WPR11LA324.md): M Squared Sprint 1000 · Heise, ID · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 2011 · N648MA · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the accident airplane make and model.
- [NTSB WPR11FA304](https://openairdocs.org/ntsb/WPR11FA304.md): Cessna 180D · Santa Paula, CA · Accident · 2 fatal · Field investigation · Final report · Jul 4, 2011 · N6451X · Substantial damage
  > The pilot’s failure to maintain clearance from a telephone line while flying at a low altitude in dusk lighting conditions.
- [NTSB ERA11LA400](https://openairdocs.org/ntsb/ERA11LA400.md): Fessenden Alfred Expermental RV-4 · Fort Drum, FL · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N3226N · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ERA11LA383](https://openairdocs.org/ntsb/ERA11LA383.md): Cessna 150L · Plymouth, MA · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N150ET · Substantial damage
  > A partial loss of engine power during initial climb due to a stuck cylinder valve, which resulted from excessive corrosion and carbon deposits on the valve springs due to inadequate maintenance.
- [NTSB ERA11CA378](https://openairdocs.org/ntsb/ERA11CA378.md): Beech 77 · Jonesville, VA · Accident · Minor injuries · Data collection · Final report · Jul 4, 2011 · N37148 · Substantial damage
  > The pilot's delayed decision to abort the takeoff.
- [NTSB CEN11CA445](https://openairdocs.org/ntsb/CEN11CA445.md): Skytrails Lsa Predator · Coldspring, TX · Accident · Minor injuries · Data collection · Final report · Jul 4, 2011 · N5358Z · Substantial damage
  > The pilot's inadequate consideration of obstructions on his flight path and inability to maintain altitude following an unexplained loss of lift.
- [NTSB WPR11LA303](https://openairdocs.org/ntsb/WPR11LA303.md): Arrow Falcon Exporters OH-58C · Brentwood, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2011 · N6264D · Substantial damage
  > The failure of the main rotor mast due to fatigue cracking originating from corrosion pits.
- [NTSB CEN11FA444](https://openairdocs.org/ntsb/CEN11FA444.md): Boeing B75N1 · Wetmore, CO · Accident · 1 fatal · Field investigation · Final report · Jul 3, 2011 · N4473N · Substantial damage
  > The pilot's failure to maintain clearance from terrain while maneuvering at low altitude.
- [NTSB CEN11FA443](https://openairdocs.org/ntsb/CEN11FA443.md): Koen Lancair Laser IV-P · Port O'Connor, TX · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2011 · N11001 · Substantial damage
  > The pilot’s loss of airplane control for reasons that could not be determined from the available information.
- [NTSB CEN11FA437](https://openairdocs.org/ntsb/CEN11FA437.md): American Champion 7GCBC · Hayti, SD · Accident · 3 fatal · Field investigation · Final report · Jul 3, 2011 · N711AT · Substantial damage
  > The pilot's decision to attempt low-altitude flight and his failure to maintain adequate clearance from power lines.
- [NTSB CEN11CA462](https://openairdocs.org/ntsb/CEN11CA462.md): Mooney M20S · Washington Island, WI · Accident · No injuries · Data collection · Final report · Jul 3, 2011 · N2234X · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing and his delayed remedial action to abort the landing.
- [NTSB WPR11FA302](https://openairdocs.org/ntsb/WPR11FA302.md): Schleicher ASW-20 · Lone Pine, CA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2011 · N838KS · Substantial damage
  > The glider encountered a strong downward orographic wind flow and turbulence that forced it into terrain. Also causal was the pilot’s decision to operate the glider very close to the terrain.
- [NTSB WPR11CA308](https://openairdocs.org/ntsb/WPR11CA308.md): Piper PA-18 · Enumclaw, WA · Accident · Minor injuries · Data collection · Final report · Jul 2, 2011 · N23TT · Destroyed
  > The pilot's failure to maintain an adequate airspeed during an encounter with a mountain wave and downdraft landing.
- [NTSB ERA11LA386](https://openairdocs.org/ntsb/ERA11LA386.md): Piper PA-32R-301 · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Jul 2, 2011 · N8319N · Substantial damage
  > The pilot's improper flare and inadequate recovery from a bounced landing, which resulted in a landing gear collapse.
- [NTSB ERA11FA374](https://openairdocs.org/ntsb/ERA11FA374.md): Binkley Richard Sonex · Calhoun, GA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2011 · N6PX · Substantial damage
  > The total loss of engine power for reasons that could not be determined because postimpact fire damage precluded a thorough examination of the engine.
- [NTSB ERA11FA376](https://openairdocs.org/ntsb/ERA11FA376.md): Cessna A185F · Yabucoa, PR · Accident · 5 fatal · Field investigation · Final report · Jul 1, 2011 · N8436Q · Substantial damage
  > The pilot's inadequate weather planning and improper decision to continue a visual flight rules flight into instrument meteorological conditions, which resulted in an encounter with a thunderstorm and subsequent loss of control.
- [NTSB CEN11LA441](https://openairdocs.org/ntsb/CEN11LA441.md): Piper PA-28-180 · Flippin, AR · Accident · Serious injuries · Limited investigation · Final report · Jul 1, 2011 · N56417 · Substantial damage
  > The loss of engine power due to improper maintenance and resultant oil starvation.
- [NTSB ERA11LA399](https://openairdocs.org/ntsb/ERA11LA399.md): Cessna 182K · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · Jun 30, 2011 · N2888R · Substantial damage
  > A total loss of engine power during initial climb for undetermined reasons.
- [NTSB ERA11CA373](https://openairdocs.org/ntsb/ERA11CA373.md): Leatherman Karl L Zodiac CH 601 HDS · Gray Court, SC · Accident · No injuries · Data collection · Final report · Jun 30, 2011 · N67KL · Substantial damage
  > The total loss of engine power due to the failure of the radiator coolant supply fitting.
- [NTSB CEN11FA436](https://openairdocs.org/ntsb/CEN11FA436.md): Ray Aerial Spraying 773 Racer · Ottumwa, IA · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2011 · N773RY · Destroyed
  > The loss of engine power for reasons that could not be determined because postaccident examination of the airplane’s engine and ignition system did not reveal any anomalies that would have precluded normal operation, and extensive postaccident fire damage…
- [NTSB CEN11FA434](https://openairdocs.org/ntsb/CEN11FA434.md): Schaffer Gary W Lancair · Yukon, OK · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2011 · N358MA · Substantial damage
  > The pilot's use of an excessive bank angle while in the airport traffic pattern, which resulted in an accelerated stall. Contributing to the accident were the pilot’s lack of experience in the airplane and the pilot’s distracted attention to the rough running…
- [NTSB CEN11FA433](https://openairdocs.org/ntsb/CEN11FA433.md): Klemp Gregory J Challenger II · Neshkoro, WI · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2011 · N12911 · Substantial damage
  > The total loss of engine power during the initial climb due to a cold seizure as a result of a broken fan V-belt. Contributing to the accident was the passenger's interference with the flight controls during the forced landing.
- [NTSB CEN11CA453](https://openairdocs.org/ntsb/CEN11CA453.md): Powrachute Airwolf 912 · Oconto, WI · Accident · Serious injuries · Data collection · Final report · Jun 30, 2011 · N734MP · Substantial damage
  > The powered parachute pilot's decision to execute an in-flight full-flare which resulted in exceeding the angle of attack capabilities of the parachute wing, and subsequent inadvertent stall.
- [NTSB CEN11LA429](https://openairdocs.org/ntsb/CEN11LA429.md): Keesler W8 Tailwind · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Jun 29, 2011 · N56PK · Substantial damage
  > The loss of engine power during initial climb for undetermined reasons.
- [NTSB CEN11FA431](https://openairdocs.org/ntsb/CEN11FA431.md): Bosonetto Thorp T-18 · Howell, MI · Accident · 2 fatal · Field investigation · Final report · Jun 29, 2011 · N8AL · Substantial damage
  > The pilot's failure to maintain airplane control and airspeed during final approach, which resulted in an aerodynamic stall/spin at a low altitude.

Next page: https://openairdocs.org/ntsb-events/470/sequence.md?page=157

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?page=156

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