# NTSB investigations, 2013: 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.

## Latest cases

- [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.

## 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") = 2013
  AND 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?year=2013

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