# NTSB investigations, 2012: 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 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… - [NTSB CEN12LA539](https://openairdocs.org/ntsb/CEN12LA539.md): Gn-1 Aircamper Mathes · Burlington, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 11, 2012 · N31TM · Substantial damage > The pilot's improper installation of the propeller bolts, which resulted in the in-flight separation of the propeller. - [NTSB CEN12LA525](https://openairdocs.org/ntsb/CEN12LA525.md): Bell 214ST · Avalon, TX · Accident · No injuries · Limited investigation · Final report · Aug 7, 2012 · N409SB · Substantial damage > Maintenance personnel’s failure to properly torque the retaining nut and install the cotter pin that secured the helicopter’s tail rotor counterweight bellcrank. Contributing to the accident was the lack of detailed maintenance records that documented… - [NTSB CEN12IA518](https://openairdocs.org/ntsb/CEN12IA518.md): Bell 407 · San Antonio, TX · Incident · No injuries · Incident investigation · Final report · Aug 5, 2012 · N429PH · Minor damage > The pilot’s failure to maintain clearance from a tower guy wire during the approach to a helipad at night. - [NTSB ERA12LA493](https://openairdocs.org/ntsb/ERA12LA493.md): Sikorsky S-58JT · Middletown, DE · Accident · No injuries · Limited investigation · Final report · Aug 1, 2012 · N126GW · Substantial damage > The pilot's failure to recognize that the helicopter was experiencing tail rotor dynamic instability and to take immediate corrective actions during an external load lift, which resulted in the failure of a tail rotor blade. - [NTSB CEN12CA474](https://openairdocs.org/ntsb/CEN12CA474.md): Eurocopter Deutschland MBB-BK 117 C-2 · Houston, TX · Accident · No injuries · Data collection · Final report · Jul 24, 2012 · N455MH · Substantial damage > The pilot’s inadequate preflight inspection, which failed to detect the unsecured cowling latches and resulted in the in-flight opening of an engine cowling. - [NTSB ERA12IA459](https://openairdocs.org/ntsb/ERA12IA459.md): Socata TB10 · Pawtucket, RI · Incident · No injuries · Incident investigation · Final report · Jul 15, 2012 · N189TB · No damage > The in-flight separation of the propeller blade tip due to a fatigue fracture. - [NTSB WPR12CA294](https://openairdocs.org/ntsb/WPR12CA294.md): Omlin Robert G Exec 162F Rotorway · Quincy, WA · Accident · No injuries · Data collection · Final report · Jul 5, 2012 · N385AR · Substantial damage > The pilot’s failure to ensure that a flag attached to the landing skid was properly secured, which resulted in its in-flight separation and contact with the tail rotor. - [NTSB CEN12LA368](https://openairdocs.org/ntsb/CEN12LA368.md): Mooney M20F · Hooker, OK · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 2012 · N6455Q · Substantial damage > The pilot’s loss of airplane control after a partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures, which resulted in an… - [NTSB CEN12LA345](https://openairdocs.org/ntsb/CEN12LA345.md): Learjet 60 · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Jun 7, 2012 · N500SW · Substantial damage > The first officer’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during the final approach in known low-level windshear conditions, which resulted in an aerodynamic stall. Contributing to the accident… - [NTSB ERA12LA362](https://openairdocs.org/ntsb/ERA12LA362.md): Schweizer 269C · Asheville, NC · Accident · No injuries · Limited investigation · Final report · May 24, 2012 · N7505Y · Substantial damage > The use of an aftermarket skid shoe, which resulted in the skid shoe becoming caught on a runway centerline light during the run-on landing. - [NTSB ERA12LA356](https://openairdocs.org/ntsb/ERA12LA356.md): Canadair CL-600-2B16 · Hallandale, FL · Accident · No injuries · Limited investigation · Final report · May 23, 2012 · N207JB · Substantial damage > The failure of the co-pilot to properly close and latch the passenger door before departure, and the flight crew's failure to ensure that the door was secure by using the door warning system. Contributing to the accident was the flight crew's inadequate use… - [NTSB CEN12FA250](https://openairdocs.org/ntsb/CEN12FA250.md): Sikorsky S-76B · Gulf of Mexico, LA · Accident · No injuries · Field investigation · Final report · Apr 17, 2012 · N56RD · Substantial damage > The intermittent loss of engine power due to a "stuck" stepper motor in the No. 2 engine's fuel control as a result of an inadequate overhaul. Contributing to the accident was the pilot's decision to continue flying the helicopter with a known defect, his… - [NTSB WPR12LA143](https://openairdocs.org/ntsb/WPR12LA143.md): Reich Glastar · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Mar 22, 2012 · N617G · Substantial damage > The failure of a propeller blade at the hub due to fatigue cracking. - [NTSB CEN12FA196](https://openairdocs.org/ntsb/CEN12FA196.md): Beech 35 · Glencoe, MN · Accident · 3 fatal · Field investigation · Final report · Mar 21, 2012 · N3871N · Substantial damage > The non-instrument-rated pilot’s continued flight into instrument meteorological conditions, which resulted in the design limits of the airplane being exceeded and an in-flight breakup. - [NTSB ERA12LA195](https://openairdocs.org/ntsb/ERA12LA195.md): Piper PA-36-300 · Americus, GA · Accident · No injuries · Limited investigation · Final report · Feb 25, 2012 · N59661 · Substantial damage > The failure of maintenance personnel to properly secure a portion of the right wing leading edge, which resulted in the separation of the associated section of the leading edge during takeoff and the loss of directional control during the subsequent landing. - [NTSB WPR12LA115](https://openairdocs.org/ntsb/WPR12LA115.md): Texas Helicopter OH-13E/M74 · Farmington, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 22, 2012 · N43921 · Substantial damage > The in-flight separation of the wood portion of one main rotor blade while maneuvering at low level, the reason for which could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. - [NTSB ERA12WA200](https://openairdocs.org/ntsb/ERA12WA200.md): Bombardier 60 · Europe, A1 · Incident · No injuries · Foreign investigation · Feb 12, 2012 · ES-PVP · Minor damage > On February 12, 2012, at an unknown time and location, the cargo compartment door of a Bombardier Aerospace Learjet 60, Estonia registration ES-PVP, separated from the airframe in flight. The airplane incurred minor damage, while the two crewmembers and four… - [NTSB ERA12IA169](https://openairdocs.org/ntsb/ERA12IA169.md): Cessna 172S · Jackson, MS · Incident · No injuries · Incident investigation · Final report · Jan 28, 2012 · N427CP · No damage > The separation of the propeller blade tip due to fatigue cracking that initiated at the blade’s leading edge. - [NTSB CEN12WA144](https://openairdocs.org/ntsb/CEN12WA144.md): Robinson R22 · Lincolnshire, United Kingdom · Accident · No injuries · Foreign investigation · Jan 6, 2012 · G-CHZN · Substantial damage > On January 6, 2012, about 1127 universal time (UTC), a United Kingdom registered Robinson R22 Beta, G-CHZN, sustained substantial damage when it impacted terrain near Witchford, Cambridgeshire, United Kingdom. The pilot was fatally injured. The investigation… ## 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") = 2012 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=2012 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.