# 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 71 of 203 · 10,134 cases

## Cases, newest first

- [NTSB GAA17CA468](https://openairdocs.org/ntsb/GAA17CA468.md): Cessna 170 · Moab, UT · Accident · Serious injuries · Data collection · Final report · Aug 4, 2017 · N1214D · Substantial damage
  > The pilot’s improper decision to depart in unfavorable weather conditions, which resulted in a hard, forced landing.
- [NTSB ERA17LA270](https://openairdocs.org/ntsb/ERA17LA270.md): Pipistrel Doo Ajdovscina Virus SW · Immokalee, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 2017 · N811AW · Substantial damage
  > The pilot's failure to attain adequate airspeed during an attempted go-around, which resulted in an aerodynamic stall.
- [NTSB CEN17LA312](https://openairdocs.org/ntsb/CEN17LA312.md): Ralph Marine Devil DOG · Danville, AR · Accident · No injuries · Limited investigation · Final report · Aug 3, 2017 · N165AB · Substantial damage
  > A separation of the left tire from its wheel because of the use of an improper substance and wheel size, which resulted in a loss of directional control during landing.
- [NTSB ANC17LA040](https://openairdocs.org/ntsb/ANC17LA040.md): Robinson Helicopter R44 · Solomon, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 3, 2017 · N4138M · Substantial damage
  > The pilot's failure to maintain adequate altitude above water, and his loss of situational awareness, which resulted in an inadvertent descent and collision with water.
- [NTSB ANC17CA041](https://openairdocs.org/ntsb/ANC17CA041.md): Airbus AS350 · Delta Junction, AK · Accident · No injuries · Data collection · Final report · Aug 3, 2017 · N351SH · Substantial damage
  > The pilot’s failure to maintain clearance from a steel frame attached to a tracked drilling unit. Contributing to the accident was the pilot’s failure to visually identify the steel frame during the reconnaissance process.
- [NTSB GAA17CA482](https://openairdocs.org/ntsb/GAA17CA482.md): Cessna 172 · Kearney, NE · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N91966 · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during the landing roll, which resulted in a runway excursion.
- [NTSB GAA17CA473](https://openairdocs.org/ntsb/GAA17CA473.md): Cessna 180 · Puntilla, AK · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N9455C · Destroyed
  > The airplane’s encounter with a downdraft while maneuvering at a low altitude, which resulted in the exceedance of the airplane’s critical angle of attack and a subsequent aerodynamic stall.
- [NTSB GAA17CA466](https://openairdocs.org/ntsb/GAA17CA466.md): AB Sportine Aviacija LAK 17 · Uvalde, TX · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N128LA · Destroyed
  > The ground crewmember’s failure to fully engage the tow hook release arm during preflight, which resulted in the premature release of the glider at insufficient altitude to complete a safe landing.
- [NTSB WPR17LA175](https://openairdocs.org/ntsb/WPR17LA175.md): Grumman AA1 · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2017 · N6216L · Substantial damage
  > The partial loss of engine power during initial climb due to the No. 3 cylinder exhaust valve becoming stuck open due to deposit buildup in the exhaust valve stem and guide and the pilot’s exceedance of the airplane’s critical angle of attack while attempting…
- [NTSB WPR17LA174](https://openairdocs.org/ntsb/WPR17LA174.md): Rockwell International S 2R · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2017 · N4913X · Substantial damage
  > The partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.
- [NTSB CEN17LA298](https://openairdocs.org/ntsb/CEN17LA298.md): Cessna 150F · Bullard, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2017 · N8879S · Substantial damage
  > The partial loss of engine power due to carburetor icing and the pilot's inability to maintain adequate airspeed during the soft-field takeoff, which resulted in an exceedance of the airplane's critical angle-of-attack and an aerodynamic stall.
- [NTSB CEN17FA297](https://openairdocs.org/ntsb/CEN17FA297.md): Piper PA30 · Topeka, KS · Accident · 2 fatal · Field investigation · Final report · Aug 1, 2017 · N22HW · Destroyed
  > The failure of the pilot and flight instructor to maintain aircraft control while maneuvering in the traffic pattern.
- [NTSB WPR17LA177](https://openairdocs.org/ntsb/WPR17LA177.md): Air Tractor AT 802A · Wells, NV · Accident · No injuries · Limited investigation · Final report · Jul 31, 2017 · N70LA · Substantial damage
  > The pilot's failure to maintain directional control during a period of thermal activity, which led to a runway excursion and impact with terrain.
- [NTSB WPR17LA176](https://openairdocs.org/ntsb/WPR17LA176.md): Cessna 172S · Seattle, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 31, 2017 · N957TA · Substantial damage
  > The total loss of engine power due to oil starvation as a result of the loose right magneto, which allowed oil to escape and the engine to seize. Contributing to the accident was inadequate maintenance, which failed to identify the loose magneto bolt.
- [NTSB CEN17LA306](https://openairdocs.org/ntsb/CEN17LA306.md): Piper PA 28-181 · Denver, CO · Accident · No injuries · Limited investigation · Final report · Jul 31, 2017 · N2146R · Substantial damage
  > The pilot’s failure to maintain directional control while landing.
- [NTSB CEN17LA293](https://openairdocs.org/ntsb/CEN17LA293.md): Chapman T-BIRD II · Potosi, MO · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2017 · N204BC · Substantial damage
  > The pilot's loss of airplane control during a departure turn for reasons that could not be determined.
- [NTSB GAA17CA536](https://openairdocs.org/ntsb/GAA17CA536.md): Menzimer Gary Ray Firestar · Westfield, PA · Accident · Minor injuries · Data collection · Final report · Jul 30, 2017 · UNREG · Destroyed
  > The pilot's improper decision to operate an airplane without recent flight training and his inadvertent application of left electric rudder trim before flight and a subsequent loss of airplane control.
- [NTSB GAA17CA467](https://openairdocs.org/ntsb/GAA17CA467.md): James D Riggs RV-10 · Lawrenceburg, TN · Accident · Serious injuries · Data collection · Final report · Jul 30, 2017 · N616JJ · Substantial damage
  > The pilot’s improper landing flare and failure to maintain yaw control during a go-around in gusting wind conditions.
- [NTSB GAA17CA462](https://openairdocs.org/ntsb/GAA17CA462.md): Champion 7ECA · Butler, PA · Accident · No injuries · Data collection · Final report · Jul 30, 2017 · N9682S · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in crosswind conditions.
- [NTSB ERA17LA261](https://openairdocs.org/ntsb/ERA17LA261.md): Cessna 172 · Danbury, CT · Accident · 1 fatal · Limited investigation · Final report · Jul 30, 2017 · N612DF · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during initial climb, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's decision to operate the airplane above its maximum gross weight, which likely reduced…
- [NTSB CEN17LA292](https://openairdocs.org/ntsb/CEN17LA292.md): Piper PA 46 350P · Tahlequah, OK · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2017 · N786MD · Substantial damage
  > The total loss of engine power, which resulted from fatigue failure of two engine through bolts and the No. 2 cylinder attachment studs due to the lack of sufficient clamping force.
- [NTSB WPR17FA171](https://openairdocs.org/ntsb/WPR17FA171.md): Cessna 172N · Big Bear, CA · Accident · 2 fatal · Field investigation · Final report · Jul 29, 2017 · N5381J · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during takeoff in high density altitude conditions, which resulted in an aerodynamic stall, loss of control, and subsequent impact with terrain.
- [NTSB GAA17CA460](https://openairdocs.org/ntsb/GAA17CA460.md): Cessna 305 · Eagle Lake, TX · Accident · No injuries · Data collection · Final report · Jul 29, 2017 · N72BD · Substantial damage
  > The pilot’s loss of directional control during landing in variable wind conditions.
- [NTSB GAA17CA453](https://openairdocs.org/ntsb/GAA17CA453.md): Piper PA36 · McCook, NE · Accident · No injuries · Data collection · Final report · Jul 29, 2017 · N132VA · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack while maneuvering downwind during an agricultural application flight, which resulted in an aerodynamic stall at low altitude.
- [NTSB ERA17LA264](https://openairdocs.org/ntsb/ERA17LA264.md): Consolidated Aeronautics Lake LA 4 · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Jul 29, 2017 · N747CB · Substantial damage
  > A loss of directional control during taxi operations for reasons that could not be determined based on the available information, which resulted in the airplane rolling into a ditch.
- [NTSB WPR17LA169](https://openairdocs.org/ntsb/WPR17LA169.md): Cessna 172A · Enumclaw, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 28, 2017 · N7243T · Substantial damage
  > The pilot's improper approach for landing, which resulted in the airplane landing long, and his delayed decision to go around with insufficient runway remaining, which resulted in collision with an airport perimeter fence.
- [NTSB CEN17LA290](https://openairdocs.org/ntsb/CEN17LA290.md): Helicopteres Guimbal Cabri G2 · Beaumont, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2017 · N722TX · Substantial damage
  > The flight instructor's low-altitude maneuvering, which exceeded the helicopter's performance capability in the high-density altitude conditions and resulted in a loss of control.
- [NTSB CEN17FA287](https://openairdocs.org/ntsb/CEN17FA287.md): Aerofab Lake LA 4 250 · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 28, 2017 · N1400P · Substantial damage
  > The pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.
- [NTSB WPR17LA167](https://openairdocs.org/ntsb/WPR17LA167.md): Robinson Helicopter R44 II · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Jul 27, 2017 · N7535G · Substantial damage
  > The pilot's failure to maintain helicopter control while maneuvering during takeoff.
- [NTSB CEN17FA288](https://openairdocs.org/ntsb/CEN17FA288.md): Zenith CH701SP · Laddonia, MO · Accident · 2 fatal · Field investigation · Final report · Jul 27, 2017 · N701XL · Destroyed
  > The pilot's decision to take off at night and continue visual flight into instrument meteorological conditions. which resulted in the pilot becoming spatially disoriented and losing control of the airplane. Contributing to the accident were the pilot's…
- [NTSB CEN17CA294](https://openairdocs.org/ntsb/CEN17CA294.md): Air Tractor AT 502B · Harrold, SD · Accident · Minor injuries · Data collection · Final report · Jul 26, 2017 · N421CA · Substantial damage
  > The pilot’s improper attempt at a low-pass maneuver, which resulted in a collision with a tractor.
- [NTSB CEN17LA285](https://openairdocs.org/ntsb/CEN17LA285.md): Hillard Charlie R Hawker FB60 · Breckenridge, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 25, 2017 · N254SF · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident engine examination and testing did not reveal any mechanical malfunctions or anomalies that would have precluded normal operation.
- [NTSB WPR17LA163](https://openairdocs.org/ntsb/WPR17LA163.md): British BAC Stkmstr MK80 · Henderson, NV · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 24, 2017 · N605GV · Destroyed
  > The failure of the pilot to ensure that the flaps were set to the proper position for takeoff which resulted in the airplane becoming airborne and unable to climb or accelerate and subsequently impacting terrain.
- [NTSB GAA17CA437](https://openairdocs.org/ntsb/GAA17CA437.md): Cessna 172 · Powell, WY · Accident · No injuries · Data collection · Final report · Jul 24, 2017 · N6470E · Substantial damage
  > The student pilot’s improper landing flare and subsequent failure to relinquish the flight controls, which resulted in a hard landing.
- [NTSB WPR17LA164](https://openairdocs.org/ntsb/WPR17LA164.md): Piper PA 28R-180 · San Jose, CA · Accident · No injuries · Limited investigation · Final report · Jul 23, 2017 · N4594J · Substantial damage
  > Maintenance personnel's incorrect installation of the aileron control cables and subsequent failure to verify proper aileron functionality following the maintenance, which resulted in roll control that was opposite of that commanded by the pilot, and the…
- [NTSB GAA17CA441](https://openairdocs.org/ntsb/GAA17CA441.md): Piper PA18S · Sterling, AK · Accident · No injuries · Data collection · Final report · Jul 23, 2017 · N4387A · Substantial damage
  > The pilot’s failure to maintain directional control while landing in crosswind conditions.
- [NTSB GAA17CA440](https://openairdocs.org/ntsb/GAA17CA440.md): Mitchell Derryle V Rans S 7 Courier · Cordova, AK · Accident · No injuries · Data collection · Final report · Jul 23, 2017 · N6333Y · Substantial damage
  > The pilot’s improper decision to take off from a lake in gusting wind conditions, which resulted in a loss of airplane control.
- [NTSB GAA17CA432](https://openairdocs.org/ntsb/GAA17CA432.md): Cessna TU206B · Sandy, OR · Accident · No injuries · Data collection · Final report · Jul 23, 2017 · N10AR · Substantial damage
  > The pilot’s improper bank control during landing in gusting wind conditions.
- [NTSB GAA17CA430](https://openairdocs.org/ntsb/GAA17CA430.md): Piper PA 28-180 · Whaleyville, VA · Accident · No injuries · Data collection · Final report · Jul 23, 2017 · N2814T · Substantial damage
  > The pilot’s inadvertent brake application during the landing roll, which resulted in a loss of directional control.
- [NTSB CEN17FA281](https://openairdocs.org/ntsb/CEN17FA281.md): Cessna 150F · Farmerville, LA · Accident · 1 fatal · Field investigation · Final report · Jul 23, 2017 · N8661S · Substantial damage
  > The pilot's failure to maintain clearance from the lake during a low-level maneuver.
- [NTSB WPR17LA160](https://openairdocs.org/ntsb/WPR17LA160.md): Cessna 182L · Arbuckle, CA · Accident · No injuries · Limited investigation · Final report · Jul 22, 2017 · N42143 · Substantial damage
  > The pilot’s delayed decision to abort the takeoff and his failure to properly conduct a rejected takeoff, which resulted in a runway overrun.
- [NTSB WPR17FA161](https://openairdocs.org/ntsb/WPR17FA161.md): Applegate Panzl S331E · Apple Valley, CA · Accident · 1 fatal · Field investigation · Final report · Jul 22, 2017 · N331ST · Substantial damage
  > A fatigue failure of the left aileron control rod end during aerobatic flight, which resulted in the pilot's inability to maintain control of the airplane.
- [NTSB GAA17CA439](https://openairdocs.org/ntsb/GAA17CA439.md): Cessna A185 · Arctic Village, AK · Accident · No injuries · Data collection · Final report · Jul 22, 2017 · N5227R · Substantial damage
  > The pilot’s failure to maintain directional control after an aborted takeoff.
- [NTSB GAA17CA433](https://openairdocs.org/ntsb/GAA17CA433.md): Stinson SR9 · Bode, IA · Accident · No injuries · Data collection · Final report · Jul 22, 2017 · N83K · Substantial damage
  > The pilot’s decision to take off from an unimproved bean field with insufficient length for the airplane to clear adjacent corn stalks.
- [NTSB CEN17LA283](https://openairdocs.org/ntsb/CEN17LA283.md): Cessna 180 · Austin, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2017 · N3119D · Substantial damage
  > The pilot's improper decision to attempt to take off after two previous failed attempts from choppy water with a high outside temperature and the airplane near its maximum gross weight, which degraded the airplane’s performance and resulted in its inability…
- [NTSB WPR17LA159](https://openairdocs.org/ntsb/WPR17LA159.md): Robinson Helicopter R44 II · Van Nuys, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 2017 · N3254E · Substantial damage
  > An improper repair of the right magneto's tachometer and governor signal wire, which failed during cruise flight and initiated a simultaneous malfunction of both the engine tachometer and governor control system, which resulted in erroneous and contradictory…
- [NTSB GAA17CA574](https://openairdocs.org/ntsb/GAA17CA574.md): Cessna 208 · New York, NY · Accident · No injuries · Data collection · Final report · Jul 21, 2017 · N802TW · Substantial damage
  > The airplane’s encounter with boat wake and multiple swells during a water takeoff.
- [NTSB GAA17CA427](https://openairdocs.org/ntsb/GAA17CA427.md): Let L23 · Deatsville, AL · Accident · Minor injuries · Data collection · Final report · Jul 21, 2017 · N342BA · Substantial damage
  > The student pilot’s failure to maintain clearance from trees and power lines while landing.
- [NTSB ANC17CA038](https://openairdocs.org/ntsb/ANC17CA038.md): Dehavilland DHC 2 · Dilllingham, AK · Accident · No injuries · Data collection · Final report · Jul 21, 2017 · N364RA · Substantial damage
  > The pilot's failure to set the wing flaps to the "takeoff" position, which resulted in a longer-than-normal takeoff run and collision with terrain.
- [NTSB ERA17LA262](https://openairdocs.org/ntsb/ERA17LA262.md): Aeronca 11BC · Gilbert, SC · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2017 · N3154E · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion.

Next page: https://openairdocs.org/ntsb-events/470/sequence.md?page=72

## 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=71

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