# NTSB investigations: Part(s) separation from AC

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 9 of 12 · 563 cases

## Cases, newest first

- [NTSB ERA14LA235](https://openairdocs.org/ntsb/ERA14LA235.md): Pacific Aerospace 750XL · Warrenton, VA · Accident · No injuries · Limited investigation · Final report · May 9, 2014 · N750SS · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing and separation of the left main landing gear.
- [NTSB ERA14LA223](https://openairdocs.org/ntsb/ERA14LA223.md): Messerschmitt-Bolkow-Blohm BK 117 · Hamburg, NY · Accident · No injuries · Limited investigation · Final report · May 4, 2014 · N504TJ · Substantial damage
  > Wear in the left cabin door assembly parts, which resulted in the door partially opening in flight, dislodging from the lower door track assembly, and then separating from the helicopter.
- [NTSB WPR14LA179](https://openairdocs.org/ntsb/WPR14LA179.md): Coulter Hugh Clarke Pulsar XP Series I · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · Apr 30, 2014 · N452PC · Substantial damage
  > Fatigue failure of the nose landing gear retention and pivot shaft, which resulted in the in-flight separation of the nose gear wheel and tire assembly.
- [NTSB ERA14LA202](https://openairdocs.org/ntsb/ERA14LA202.md): Oconnor Paul A Ultimate Aero 10-200 · Saint Albans, VT · Accident · No injuries · Limited investigation · Final report · Apr 18, 2014 · N827D · Destroyed
  > The propeller blade’s failure due to fatigue cracks that initiated from pitch change pin attachment holes that had been drilled too deep during manufacture.
- [NTSB ERA14FA168](https://openairdocs.org/ntsb/ERA14FA168.md): Piper PA-44-180 · Brunswick, GA · Accident · 2 fatal · Field investigation · Final report · Mar 24, 2014 · N923RS · Destroyed
  > An inflight failure of the airplane's only operating vacuum pump, which resulted in the loss of attitude information provided by vacuum-driven flight instruments. Also causal was the pilots' failure to maintain control of the airplane while operating in…
- [NTSB WPR14LA141](https://openairdocs.org/ntsb/WPR14LA141.md): Evektor-Aerotechnik Sportstar · Porterville, CA · Accident · No injuries · Limited investigation · Final report · Mar 20, 2014 · N817EV · Substantial damage
  > The student pilot’s failure to maintain directional control during takeoff.
- [NTSB CEN14CA160](https://openairdocs.org/ntsb/CEN14CA160.md): Piper PA 28-235 · De Beque, CO · Accident · Minor injuries · Data collection · Final report · Mar 14, 2014 · N9172W · Substantial damage
  > The pilot's failure to maintain control of the airplane while maneuvering at low altitude.
- [NTSB CEN14FA143](https://openairdocs.org/ntsb/CEN14FA143.md): Hawker SEA Fury ISS 25 · Breckenridge, TX · Accident · 1 fatal · Field investigation · Final report · Feb 18, 2014 · N13HP · Destroyed
  > The pilot’s inadequate emergency response to a runaway propeller and his failure to maintain airspeed, which resulted in the airplane exceeding its critical angle-of-attack and stalling. The cause of the runaway propeller was undetermined.
- [NTSB CEN14LA129](https://openairdocs.org/ntsb/CEN14LA129.md): Cessna 525 · Elk City, OK · Accident · No injuries · Limited investigation · Final report · Feb 4, 2014 · N61YP · Substantial damage
  > The pilot’s descent below the published minimum descent altitude for the instrument approach procedure, which resulted in impact with a utility pole.
- [NTSB DCA14WA042](https://openairdocs.org/ntsb/DCA14WA042.md): Boeing 767 332 · Buenos Aires, Argentina · Incident · No injuries · Foreign investigation · Jan 21, 2014 · N191DN · Minor damage
  > The Direccion Nacional de Aviacion Civil e Infraestructura Aeronautica (DINACIA) has notified the NTSB of an incident involving Boeing 767-300, which occurred on January 21, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the DINACIA…
- [NTSB CEN14LA118](https://openairdocs.org/ntsb/CEN14LA118.md): Grumman American Avn. AA 5B · Willow Park, TX · Accident · No injuries · Limited investigation · Final report · Jan 21, 2014 · N28578 · Substantial damage
  > The improper reinstallation of the propeller assembly, which resulted in the subsequent in-flight separation of the propeller.
- [NTSB WPR14LA096](https://openairdocs.org/ntsb/WPR14LA096.md): Morrisey 2150 · Pismo Beach, CA · Accident · 2 fatal · Limited investigation · Final report · Jan 14, 2014 · N5102V · Destroyed
  > The in-flight separation of a wing for reasons that could not be determined because the wreckage was not recovered from the ocean.
- [NTSB ERA14LA098](https://openairdocs.org/ntsb/ERA14LA098.md): Israel Aircraft Industries Gulfstream 200 · Savannah, GA · Accident · No injuries · Limited investigation · Final report · Jan 14, 2014 · N720QS · Substantial damage
  > Maintenance personnel’s failure to properly secure the auxiliary power unit service door before returning the airplane to service, which resulted in substantial damage to the rudder.
- [NTSB CEN14LA075](https://openairdocs.org/ntsb/CEN14LA075.md): Cessna 560 · Walton, IN · Accident · No injuries · Limited investigation · Final report · Dec 2, 2013 · N810QS · Substantial damage
  > The inflight separation of the upper and lower right engine cowlings for reasons that could not be determined based on available evidence.
- [NTSB CEN14FA072](https://openairdocs.org/ntsb/CEN14FA072.md): Biesemeier David I Smyth Sidewinder · Boulder, CO · Accident · 1 fatal · Field investigation · Final report · Nov 27, 2013 · N3786A · Destroyed
  > The pilot’s abrupt maneuver, which exceeded the structural limits of the left wing and resulted in its in-flight separation.
- [NTSB ERA14LA094](https://openairdocs.org/ntsb/ERA14LA094.md): Cessna 150H · Livingston, AL · Accident · No injuries · Limited investigation · Final report · Oct 26, 2013 · N684RA · Substantial damage
  > The pilot's inadequate soft-field technique during the precautionary landing, which resulted in a nose-over. Contributing to the accident was the pilot's inadequate preflight inspection, which resulted in departure with an open fuel port and the subsequent…
- [NTSB CEN14FA009](https://openairdocs.org/ntsb/CEN14FA009.md): Cessna 500 · Derby, KS · Accident · 2 fatal · Field investigation · Final report · Oct 18, 2013 · N610ED · Destroyed
  > The airplane's encounter with severe icing conditions, which resulted in structural icing, and the pilot's increased workload and subsequent disorientation while maneuvering in instrument flight rules (IFR) conditions with malfunctioning flight instruments,…
- [NTSB WPR13FA417](https://openairdocs.org/ntsb/WPR13FA417.md): Bell UH-1V · Cordes Lakes, AZ · Accident · 2 fatal · Field investigation · Final report · Sep 21, 2013 · N22490 · Destroyed
  > The pilot's improper maintenance on the helicopter’s main rotor blade pitch control system, which resulted in an in-flight loss of main rotor blade pitch control, mast bumping, and mast failure.
- [NTSB ERA13FA424](https://openairdocs.org/ntsb/ERA13FA424.md): Brown Robert K RV7A · Hamilton Township, NJ · Accident · 1 fatal · Field investigation · Final report · Sep 20, 2013 · N174BK · Destroyed
  > The pilot's improper aerobatic maneuver that resulted in a loss of control, exceedance of the airplane's design limitations, and a subsequent in-flight breakup of the airplane.
- [NTSB WPR13FA411](https://openairdocs.org/ntsb/WPR13FA411.md): Bell UH 1B · Detroit, OR · Accident · 1 fatal · Field investigation · Final report · Sep 16, 2013 · N204UH · Substantial damage
  > The fatigue failure of the upper two tailboom attachment points, which resulted in the tailboom separating from the fuselage during logging operations. Contributing to the accident was poor maintenance throughout the helicopter’s operational life.
- [NTSB ENG13IA036](https://openairdocs.org/ntsb/ENG13IA036.md): Boeing Company, Long Beach Div Boeing MD-11 · Aguadilla, PR · Incident · No injuries · Incident investigation · Final report · Aug 31, 2013 · PH-MCW · Minor damage
  > an insufficiently robust flange attachment hardware design, which failed to contain engine components that were liberated during an LPT mechanical failure, resulting in engine/nacelle uncontainment. A factor in the incident was the lack of a module-level LPT…
- [NTSB CEN13CA515](https://openairdocs.org/ntsb/CEN13CA515.md): Grumman American Avn. AA-1B · Valparaiso, IN · Accident · Minor injuries · Data collection · Final report · Aug 25, 2013 · N5538B · Substantial damage
  > The pilot's improper recovery from a bounced landing.
- [NTSB ERA13LA379](https://openairdocs.org/ntsb/ERA13LA379.md): Cessna 152 · Easton, MD · Accident · No injuries · Limited investigation · Final report · Aug 23, 2013 · N4922P · Substantial damage
  > The use of an improper nose landing gear through bolt, which decreased the overall strength of the gear and resulted in overload failure during a hard landing. Contributing to the accident was the student pilot's inadequate landing flare, which resulted in…
- [NTSB CEN13CA445](https://openairdocs.org/ntsb/CEN13CA445.md): Cessna 170 · Burnet, TX · Accident · No injuries · Data collection · Final report · Jul 26, 2013 · N5401C · Substantial damage
  > The pilot's improper recovery from a bounced landing.
- [NTSB CEN13LA409](https://openairdocs.org/ntsb/CEN13LA409.md): Flight Design Ctsw · Taos, NM · Accident · 1 fatal · Limited investigation · Final report · Jul 10, 2013 · N424CT · Substantial damage
  > The airplane's unexpected encounter with a dust devil, which resulted in the loss of airplane control.
- [NTSB CEN13LA402](https://openairdocs.org/ntsb/CEN13LA402.md): Air Tractor AT-502B · Tillar, AR · Accident · No injuries · Limited investigation · Final report · Jul 3, 2013 · N5182C · Substantial damage
  > The loss of engine throttle control during takeoff due to an unsecured cockpit throttle control pin, which resulted in a runway overrun.
- [NTSB CEN13LA384](https://openairdocs.org/ntsb/CEN13LA384.md): Ayres S2R-T34 · Heth, AR · Accident · No injuries · Limited investigation · Final report · Jun 28, 2013 · N455JM · Substantial damage
  > The partial collapse of the right main landing gear during landing due to an improper previous weld repair to the right main landing gear and subsequent corrosion, which resulted in a loss of directional control and impact with terrain.
- [NTSB CEN13IA387](https://openairdocs.org/ntsb/CEN13IA387.md): Martin Charles A Zenith Stol CH 750 · Paragould, AR · Incident · No injuries · Incident investigation · Final report · Jun 28, 2013 · N699TX · Minor damage
  > The improper installation of the propeller flange, which resulted in an in-flight separation of the propeller assembly.
- [NTSB ANC13RA061](https://openairdocs.org/ntsb/ANC13RA061.md): De Havilland DHC-2 MK 1 · Half Moon Bay, Canada · Accident · No injuries · Foreign investigation · Jun 24, 2013 · C-FPCG · Substantial damage
  > On June 24, 2013, at 1544 coordinated universal time, a DeHavilland DHC-2MK 1, Canadian registered C-FPCG, owned and operated by Seair Seaplanes, was substantially damaged near Half Moon Bay, Canada. Visual meteorological conditions prevailed at the time of…
- [NTSB CEN13FA344](https://openairdocs.org/ntsb/CEN13FA344.md): Eurocopter AS350B2 · Talihina, OK · Accident · 1 fatal · Field investigation · Final report · Jun 11, 2013 · N935EM · Substantial damage
  > The helicopter pilot's failure to see and avoid the 40-ft-tall lamp post during takeoff. Contributing to the accident was the pilot's inadequate preflight evaluation of the obstructions in the takeoff path.
- [NTSB CEN13LA321](https://openairdocs.org/ntsb/CEN13LA321.md): Bell 206-L4 · Abbeville, LA · Accident · No injuries · Limited investigation · Final report · Jun 6, 2013 · N720RL · Substantial damage
  > Failure of maintenance personnel to ensure adequate torque of a tailrotor drive shaft coupling bolt, which resulted in the partial disconnection of the drive shaft.
- [NTSB CEN13LA308](https://openairdocs.org/ntsb/CEN13LA308.md): Evektor-Aerotechnik Sportstar Plus · Elyria, OH · Accident · No injuries · Limited investigation · Final report · May 30, 2013 · N319SV · Substantial damage
  > The failure of the canopy latch spring, which caused the canopy to open during initial climb. Contributing to the accident was the installation of an improper part in the canopy latch assembly, which led to the failure of the canopy latch spring.
- [NTSB WPR13FA243](https://openairdocs.org/ntsb/WPR13FA243.md): Hiller UH-12E · Wenatchee, WA · Accident · Minor injuries · Field investigation · Final report · May 26, 2013 · N99090 · Substantial damage
  > Fatigue failure of the six bolts that secured the bevel gear to the first stage planetary carrier, which caused the transmission to seize while the helicopter and main rotor were still operating.
- [NTSB CEN13LA298](https://openairdocs.org/ntsb/CEN13LA298.md): Allen Jan A Challenger II · Greeley, CO · Accident · No injuries · Limited investigation · Final report · May 22, 2013 · N269MM · Substantial damage
  > The loss of engine power due to the engine seizure, which resulted from damage caused by the ingestion of carburetor ice into the engine intake ports.
- [NTSB ENG13IA027](https://openairdocs.org/ntsb/ENG13IA027.md): Boeing 747 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · May 19, 2013 · B18701 · Minor damage
  > Failure of the right inboard foreflap outboard fitting due to fatigue and bearing anomalies on the sequence carriages which resulted in the partial separation of the right inboard foreflap. Contributing to the incident was the failure of maintenance personnel…
- [NTSB CEN13LA260](https://openairdocs.org/ntsb/CEN13LA260.md): Cessna A188B · Lyons, KS · Accident · Minor injuries · Limited investigation · Final report · May 7, 2013 · N731JF · Substantial damage
  > The partial loss of engine power due to fuel contamination, which resulted in impact with terrain. Contributing to the accident was the pilot's inadequate preflight inspection, during which he failed to detect the fuel contamination.
- [NTSB WPR13LA191](https://openairdocs.org/ntsb/WPR13LA191.md): Ercoupe 415-C · Mesquite, NV · Accident · Minor injuries · Limited investigation · Final report · Apr 14, 2013 · N87114 · Substantial damage
  > Separation of the propeller from the engine during initial climb due to the incorrect torque applied to the propeller hub nut during maintenance.
- [NTSB ERA13FA186](https://openairdocs.org/ntsb/ERA13FA186.md): Robinson R44 · Miami, FL · Accident · 2 fatal · Field investigation · Final report · Apr 3, 2013 · N3101H · Destroyed
  > The mechanic's failure to properly secure the pitch link hardware of one main rotor blade to the rotating swash plate, which resulted in the pitch link separating in flight and the pilot's subsequent loss of control. Contributing to the accident was the…
- [NTSB WPR13LA174](https://openairdocs.org/ntsb/WPR13LA174.md): Vans RV12 · Waldport, OR · Accident · No injuries · Limited investigation · Final report · Mar 30, 2013 · N572LS · Substantial damage
  > The pilot’s improper flare, which resulted in a hard landing.
- [NTSB ERA13FA071](https://openairdocs.org/ntsb/ERA13FA071.md): Green Gary E Thorp T-18 · Pahokee, FL · Accident · 1 fatal · Field investigation · Final report · Dec 1, 2012 · N118GG · Substantial damage
  > The descent and overstress of the airplane during the descent, which resulted in the in-flight breakup of the airplane.
- [NTSB ERA13FA070](https://openairdocs.org/ntsb/ERA13FA070.md): Robinson Helicopter R22 Beta II · Apollo Beach, FL · Accident · 1 fatal · Field investigation · Final report · Nov 30, 2012 · N2626N · Substantial damage
  > Mast bumping for reasons that could not be determined because one main rotor blade was not recovered.
- [NTSB WPR13FA056](https://openairdocs.org/ntsb/WPR13FA056.md): Mcdaniel RV-6-CH · Scio, OR · Accident · 2 fatal · Field investigation · Final report · Nov 26, 2012 · N424D · Substantial damage
  > The pilot's decision to perform aerobatics in an airplane that was prohibited from aerobatics as stated in its operating limitations document, which resulted in the failure of the right wing spar.
- [NTSB WPR13FA006](https://openairdocs.org/ntsb/WPR13FA006.md): Garlick Helicopters UH-1H · Shady Cove, OR · Accident · Minor injuries · Field investigation · Final report · Oct 7, 2012 · N1577 · Substantial damage
  > The separation of the tail rotor gearbox and tail rotor assembly as a result of fatigue to the tail rotor gearbox input quill assembly attachment studs.
- [NTSB ERA13LA007](https://openairdocs.org/ntsb/ERA13LA007.md): Ercoupe 415-C · Parkersburg, WV · Accident · No injuries · Limited investigation · Final report · Oct 4, 2012 · N93606 · Substantial damage
  > The student pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB WPR12CA401](https://openairdocs.org/ntsb/WPR12CA401.md): Piper PA-22-108 · Lewiston, ID · Accident · No injuries · Data collection · Final report · Sep 4, 2012 · N4798Z · Substantial damage
  > The pilot’s inadequate postmaintenance and preflight inspections, which resulted in the separation of the left main wheel after takeoff. Contributing to the accident was the improperly secured left main wheel spindle nut.
- [NTSB ERA12TA538](https://openairdocs.org/ntsb/ERA12TA538.md): Bell 407 · Bath, NY · Accident · Minor injuries · Final report · Aug 31, 2012 · N11SP · Substantial damage
  > The pilot's improper recovery from an in-flight upset, which resulted in the main rotor striking and separating the tail boom. Contributing to the accident was the helicopter manufacturer's failure to warn pilots of unanticipated and unequal aft cyclic…
- [NTSB CEN12IA592](https://openairdocs.org/ntsb/CEN12IA592.md): British Aerospace BAE Jetstream 3101 · Kansas City, MO · Incident · No injuries · Incident investigation · Final report · Aug 29, 2012 · N695MA · Minor damage
  > The flight crew’s failure to ensure that the cargo door was properly fastened before departure.
- [NTSB CEN12LA577](https://openairdocs.org/ntsb/CEN12LA577.md): Jones Kitfox III · Rockford, IL · Accident · No injuries · Limited investigation · Final report · Aug 19, 2012 · N942EJ · Substantial damage
  > The pilot's improper installation of a spark plug, which led to a partial loss of engine power after takeoff and the resultant forced landing.
- [NTSB ERA12TA542](https://openairdocs.org/ntsb/ERA12TA542.md): Ridge Lowell H Jabiru J230 · Otter Lake, NY · Accident · No injuries · Final report · Aug 16, 2012 · N365R · Substantial damage
  > A failure of an engine cylinder exhaust valve due to the buildup of lead deposits on the valve stem and fatigue cracking of the valve stem, resulting in a total loss of engine power, and the loss of the propeller. Contributing to the accident was the lack of…
- [NTSB ERA12LA500](https://openairdocs.org/ntsb/ERA12LA500.md): Beech V35B · Effingham, SC · Accident · No injuries · Limited investigation · Final report · Aug 11, 2012 · N11JK · Substantial damage
  > The pilot's failure to avoid an encounter with known adverse weather conditions, which resulted in an in-flight upset, temporary loss of control, and loading of the airframe, engine, and propeller that led to the in-flight separation of the propeller and the…

Next page: https://openairdocs.org/ntsb-events/338/sequence.md?page=10

## 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" = '338' 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/338/sequence?page=9

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