# NTSB investigations, 2015: Sys/Comp malf/fail (non-power)

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.

## Latest cases

- [NTSB ERA16LA054](https://openairdocs.org/ntsb/ERA16LA054.md): Robinson Helicopter R44 II · Destin, FL · Accident · No injuries · Limited investigation · Final report · Nov 26, 2015 · N7512N · Substantial damage
  > The overstress fracture between the tail rotor driveshaft and intermediate flex plate for reasons that could not be determined based on the available evidence.
- [NTSB GAA16LA056](https://openairdocs.org/ntsb/GAA16LA056.md): Airbus EC135 · Apple Valley, CA · Accident · No injuries · Limited investigation · Final report · Nov 19, 2015 · N36RX · Substantial damage
  > The ingestion of a towel from an unsecured storage container at the landing site into the helicopter's fenestron during the landing.
- [NTSB CEN16LA047](https://openairdocs.org/ntsb/CEN16LA047.md): Eurocopter EC120B · Goshen, IN · Accident · No injuries · Limited investigation · Final report · Nov 16, 2015 · N88HA · Substantial damage
  > The failure of the Thomas coupling at the interface with the main gear box tail rotor output shaft, which resulted in the helicopter's loss of tail rotor control.
- [NTSB GAA16CA074](https://openairdocs.org/ntsb/GAA16CA074.md): Cessna 177 · Palm Springs, CA · Accident · No injuries · Data collection · Final report · Nov 14, 2015 · N2112Q · Substantial damage
  > The failure of a shaft seal at the nose gear retraction/extension actuator, which resulted in a loss of hydraulic fluid and a main landing gear collapse during landing.
- [NTSB WPR16LA023](https://openairdocs.org/ntsb/WPR16LA023.md): Thorp T 18 · Independence, OR · Accident · No injuries · Limited investigation · Final report · Nov 6, 2015 · N1488 · Substantial damage
  > A separation of the canopy mechanism during flight, which resulted in the pilot’s precautionary landing and the airplane’s subsequent collision with a fence post.
- [NTSB DCA16WA081](https://openairdocs.org/ntsb/DCA16WA081.md): Gulfstream G1159 · Kinshasa, Congo - Kinshasa · Accident · No injuries · Foreign investigation · Nov 1, 2015 · 9Q-CND · Substantial damage
  > The government of Democratic Republic of Congo (DRC) has notified the NTSB of an accident involving a Gulfstream G1159 airplane that occurred on November 01, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the government of DRC's…
- [NTSB CEN16LA015](https://openairdocs.org/ntsb/CEN16LA015.md): Bobby Martin Autogyro MTO Sport · Wallisville, TX · Accident · No injuries · Limited investigation · Final report · Oct 17, 2015 · N3232Z · Substantial damage
  > Fracture of the pusher propeller blade due to impact damage from an unknown object while in flight, which resulted in a severe vibration and a loss of thrust.
- [NTSB ERA16LA004](https://openairdocs.org/ntsb/ERA16LA004.md): Beech 58 · Albany, GA · Accident · No injuries · Limited investigation · Final report · Oct 6, 2015 · N25734 · Substantial damage
  > The mechanic's inadequate inspection of the brake system during the most recent annual inspection, which resulted in the failure of both left and right main landing gear torque plates and a subsequent loss of braking action.
- [NTSB ERA15LA343](https://openairdocs.org/ntsb/ERA15LA343.md): Dehavilland DHC-6 · Louisburg, NC · Accident · Serious injuries · Limited investigation · Final report · Sep 6, 2015 · N181CS · Substantial damage
  > The propeller’s movement to the beta position during landing for reasons that could not be determined during postaccident examination and testing, which resulted in an attempted go-around and subsequent loss of airplane control.
- [NTSB CEN15FA386](https://openairdocs.org/ntsb/CEN15FA386.md): Barrow Ted A ONE Easy · Battle Creek, MI · Accident · 1 fatal · Field investigation · Final report · Aug 28, 2015 · N227TB · Destroyed
  > The pilot’s loss of airplane control due to his diverted attention to the canopy opening in flight.
- [NTSB CEN15WA393](https://openairdocs.org/ntsb/CEN15WA393.md): Beech C90 · Helsinki, Finland · Accident · No injuries · Foreign investigation · Aug 26, 2015 · OH-BEX · Substantial damage
  > On August 26, 2015, at 0535 universal coordinated time, a Beechcraft C90 airplane, Finnish registration OH-BEX, owned and operated by Scanwings Oy, sustained substantial damage when the nose landing gear collapsed during landing at the Helsinki-Vantaa…
- [NTSB CEN15LA396](https://openairdocs.org/ntsb/CEN15LA396.md): Burns Mini 500 · Butler, MO · Accident · No injuries · Limited investigation · Final report · Aug 21, 2015 · UNREG · Substantial damage
  > The pilot's failure to attain a proper landing flare following an autorotation for reasons that could not be determined based on available information.
- [NTSB WPR15IA244](https://openairdocs.org/ntsb/WPR15IA244.md): Quest Kodiac 100 · Page, AZ · Incident · No injuries · Incident investigation · Final report · Aug 17, 2015 · N771RT · Minor damage
  > The pilot's inadvertent failure to engage the seat in the locked position before takeoff, which resulted in the seat sliding back during the takeoff roll and a subsequent loss of directional control. Contributing to the incident was the seat locking…
- [NTSB GAA15LA217](https://openairdocs.org/ntsb/GAA15LA217.md): MD Helicopter 369E · Whitefish, MT · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 2015 · N43792 · Substantial damage
  > The pilot’s failure to maintain altitude and a level attitude while hovering over water at night during an external load operation, which resulted in the helicopter’s main rotor contacting the surface of the water.
- [NTSB ERA15LA296](https://openairdocs.org/ntsb/ERA15LA296.md): Bell 47G 3B 1 · Camden, AL · Accident · No injuries · Limited investigation · Final report · Aug 3, 2015 · N4002G · Substantial damage
  > A failure of the helicopter's hydraulic flight control systems for reasons that could not be determined due to the fire damage, and the pilot's inability to turn off the hydraulic system to relieve control pressure.
- [NTSB WPR15LA228](https://openairdocs.org/ntsb/WPR15LA228.md): Hudson Zodiac CH 601 XLB · Hubbard, OR · Accident · No injuries · Limited investigation · Final report · Aug 2, 2015 · N234S · Substantial damage
  > A severe propeller vibration due to the pilot's improper installation of the propeller spacer assembly, which necessitated an engine shutdown, an off-airport landing, and a collision with a sprinkler system.
- [NTSB WPR15LA234](https://openairdocs.org/ntsb/WPR15LA234.md): Cessna 180J · Dixie, ID · Accident · No injuries · Limited investigation · Final report · Jul 26, 2015 · N52095 · Substantial damage
  > The failure of the right brake hydraulic line during taxi due to fatigue, which caused a loss of hydraulic fluid and rendered the brake inoperative.
- [NTSB ERA15LA289](https://openairdocs.org/ntsb/ERA15LA289.md): Piper PA-28R-180 · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Jul 23, 2015 · N4631J · Substantial damage
  > The undetected fatigue cracks in the engine and nose landing gear (NLG) strut mount assembly, which prevented the proper alignment of the NLG after it was extended and the pilots from being able to maintain directional control after touchdown.
- [NTSB CEN15LA309](https://openairdocs.org/ntsb/CEN15LA309.md): Cessna 172RG · Anoka, MN · Accident · No injuries · Limited investigation · Final report · Jul 17, 2015 · N6511V · Substantial damage
  > Failure of the left landing gear actuator for reasons that could not be determined because the actuator was not made available for examination.
- [NTSB CEN15LA323](https://openairdocs.org/ntsb/CEN15LA323.md): Cessna 182B · Fults, IL · Accident · No injuries · Limited investigation · Final report · Jul 14, 2015 · N2764G · Destroyed
  > The malfunction of the flap assembly, which resulted in a restriction of aileron control. Contributing to the accident was maintenance personnel’s inadequate inspection of a corroded flap control cable.
- [NTSB CEN15LA296](https://openairdocs.org/ntsb/CEN15LA296.md): Colonial C 1 · Chico, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 5, 2015 · N257B · Substantial damage
  > A loss of engine power due to fuel exhaustion. Contributing to the accident was the unsnapped fuel bladder, which resulted in an inaccurate fuel quantity indication, and the pilot's inadequate preflight fuel planning, during which he relied solely on the fuel…
- [NTSB GAA15CA178](https://openairdocs.org/ntsb/GAA15CA178.md): Piper PA 24-250 · Newton, KS · Accident · No injuries · Data collection · Final report · Jul 4, 2015 · N7985P · Substantial damage
  > The failure of the right main landing gear down-lock micro switch, which resulted in a landing gear collapse during landing, and the pilot/owner's unfamiliarity with the emergency landing gear extension procedure. Contributing to the accident was the flight…
- [NTSB WPR15FA205](https://openairdocs.org/ntsb/WPR15FA205.md): Schweizer 269C · Newberg, OR · Accident · 2 fatal · Field investigation · Final report · Jul 2, 2015 · N2096W · Destroyed
  > The loss of translation/rotational power between the engine and the transmission due to the severe wear of the forward spline portion of the lower coupling drive shaft. The reason for the severe wear of the forward spline could not be definitively determined…
- [NTSB GAA15CA129](https://openairdocs.org/ntsb/GAA15CA129.md): Lancair ES - NO Series · Hampshire, IL · Accident · No injuries · Data collection · Final report · Jun 19, 2015 · N800TR · Substantial damage
  > The failure of the brake master cylinder which resulted in a loss of brake pressure and the subsequent loss of directional control during the landing roll.
- [NTSB ERA15LA240](https://openairdocs.org/ntsb/ERA15LA240.md): Weatherly 201B · Pell City, AL · Accident · No injuries · Class 3 · Limited · Final report · Jun 14, 2015 · N1272W · Substantial damage
  > The inadequate inspection of the airplane's landing gear, which resulted in a collapse of the right main landing gear due to cracking and corrosion.
- [NTSB WPR15LA183](https://openairdocs.org/ntsb/WPR15LA183.md): Beech E33A · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Jun 11, 2015 · N8401N · Substantial damage
  > A loss of left braking action for reasons that could not be determined because postaccident examination did not reveal any evidence of preimpact mechanical failures or malfunctions that would have precluded normal operation, which resulted in a loss of…
- [NTSB GAA15CA125](https://openairdocs.org/ntsb/GAA15CA125.md): Cessna 180B · Waterloo, IA · Accident · No injuries · Data collection · Final report · Jun 6, 2015 · N5067E · Substantial damage
  > The incorrect installation of the secondary seat stop reel which resulted in the pilot's loss of control when the seat moved full aft during takeoff.
- [NTSB GAA15CA118](https://openairdocs.org/ntsb/GAA15CA118.md): Cessna 195 · Lancaster, NY · Accident · No injuries · Data collection · Final report · Jun 4, 2015 · N9818A · Substantial damage
  > A loss of directional control and subsequent ground loop due to an underinflated right tire, which was a result of foreign object debris puncturing the tire.
- [NTSB GAA15LA092](https://openairdocs.org/ntsb/GAA15LA092.md): Czech Aircraft Works Spol Sro Sportcruiser · Fresno, CA · Accident · No injuries · Limited investigation · Final report · May 24, 2015 · N642JB · Substantial damage
  > The failure of the nose landing gear (NLG) leg due to fatigue fractures, which resulted in the NLG collapsing during landing.
- [NTSB ERA15LA218](https://openairdocs.org/ntsb/ERA15LA218.md): Bell 206L-3 · Kearny, NJ · Accident · No injuries · Limited investigation · Final report · May 20, 2015 · N210MH · Substantial damage
  > The deliberate concealment and reuse of an unairworthy tail rotor driveshaft by unknown personnel, which resulted in an overstress separation at a bonded flange adapter as a result of driveshaft imbalance.
- [NTSB ERA15LA212](https://openairdocs.org/ntsb/ERA15LA212.md): Gates Lear Jet 35 · Newport News, VA · Accident · No injuries · Class 2 · Limited · Final report · May 12, 2015 · N80PG · Substantial damage
  > The flight crew’s inadequate preflight inspection of the nose landing gear strut, which resulted in the nosewheel not being aligned during retraction and the subsequent loss of directional control. Contributing to the accident was the failure of the nose…
- [NTSB WPR15FA158](https://openairdocs.org/ntsb/WPR15FA158.md): Piper PA 46 350P · Spokane, WA · Accident · 2 fatal · Field investigation · Final report · May 7, 2015 · N962DA · Destroyed
  > The mechanic's incorrect installation of two aileron cables and the subsequent inadequate functional checks of the aileron system before flight by both the mechanic and the pilot, which prevented proper roll control from the cockpit, resulting in the pilot's…
- [NTSB CEN15IA225](https://openairdocs.org/ntsb/CEN15IA225.md): Airbus A319 112 · New Orleans, LA · Incident · No injuries · Incident investigation · Final report · May 5, 2015 · N941FR · Minor damage
  > The ingression of moisture into the windshield’s laminate layer, which induced electrical arcing in the windshield heating system that subsequently cracked the outer glass pane of the windshield.
- [NTSB ERA15LA202](https://openairdocs.org/ntsb/ERA15LA202.md): Beech D95 · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Apr 23, 2015 · N8950U · Substantial damage
  > The pilot's failure to properly configure the airplane for landing. Contributing to the accident were pilot fatigue, distraction, and complacency and the failure of the landing gear warning horn to sound for reasons that could not be determined based on the…
- [NTSB DCA15WA123](https://openairdocs.org/ntsb/DCA15WA123.md): Boeing 737 - 8B6 · Madrid, Spain · Incident · No injuries · Foreign investigation · Apr 23, 2015 · CN-RNZ · No damage
  > The Director General of Civil Aviation of Morocco has notified the NTSB of an incident involving a Boeing 737-800 airplane, which occurred on April 23, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the Director General of Civil…
- [NTSB ANC15LA023](https://openairdocs.org/ntsb/ANC15LA023.md): Cessna 185 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Apr 23, 2015 · N4554F · Substantial damage
  > The failure of the left main landing gear leg for reasons that could not be determined based on the available evidence.
- [NTSB WPR15LA149](https://openairdocs.org/ntsb/WPR15LA149.md): Piper PA 18-150 · La Quinta, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 17, 2015 · N162SC · Substantial damage
  > Maintenance personnel’s failure to properly repair a propeller deformation, which resulted in a fatigue crack, separation of a propeller blade tip, and forced landing onto uneven terrain.
- [NTSB CEN15LA198](https://openairdocs.org/ntsb/CEN15LA198.md): Robinson Helicopter R44 II · Dunlap, IL · Accident · No injuries · Limited investigation · Final report · Apr 15, 2015 · N754R · Substantial damage
  > A loss of main rotor rpm for reasons that could not be determined during postaccident examinations.
- [NTSB WPR15LA148](https://openairdocs.org/ntsb/WPR15LA148.md): Cessna 206H · Honolulu, HI · Accident · No injuries · Limited investigation · Final report · Apr 4, 2015 · N245RB · Substantial damage
  > A blown nose landing gear tire during landing, which resulted in the pilot’s inability to maintain directional control.
- [NTSB DCA15IA089](https://openairdocs.org/ntsb/DCA15IA089.md): Bombardier CL 600 2C10 · Chicago, IL · Incident · No injuries · Class 3 · Incident · Final report · Mar 14, 2015 · N157GJ · Minor damage
  > The nose landing gear’s failure to fully extend due to missing and damaged fastening hardware on the drive arm assembly.
- [NTSB DCA15FA073](https://openairdocs.org/ntsb/DCA15FA073.md): Mcdonnell Douglas MD 11F · St. Louis, MO · Accident · Serious injuries · Field investigation · Final report · Feb 24, 2015 · N584FE · No damage
  > a partial inflation of the 1L escape slide/raft due to undetermined reasons resulting in insufficient capability to support the weight of the crewmember.
- [NTSB CEN15LA140](https://openairdocs.org/ntsb/CEN15LA140.md): Embraer ERJ 190 100 IGW · Houston, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 10, 2015 · N953UW · Substantial damage
  > An undetermined malfunction of the nosewheel steering control module, which resulted in the nose landing gear being jammed in the gear bay. Contributing to the accident was the improper rigging of the nosewheel steering feedback sensors during installation.
- [NTSB CEN15LA116](https://openairdocs.org/ntsb/CEN15LA116.md): Cessna 210 · Sullivan, MO · Accident · No injuries · Limited investigation · Final report · Jan 8, 2015 · N9565X · Substantial damage
  > The loss of hydraulic fluid and subsequent pressure due to cracks in the right main landing gear (MLG) actuator, which resulted in the collapse of the MLG during landing.

## 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 year(c."eventDate") = 2015
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '330' 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/330/sequence?year=2015

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