# NTSB investigations: Continental GTSIO-520-C, TX 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 CEN23LA267](https://openairdocs.org/ntsb/CEN23LA267.md): Cessna 421 · Rockport, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2023 · N123SM · Substantial damage > The failure of the left engine starter adapter gear, which resulted in catastrophic damage to other engine components, and the subsequent loss of engine power. - [NTSB GAA18CA390](https://openairdocs.org/ntsb/GAA18CA390.md): Cessna 421 · Clifton, TX · Accident · No injuries · Data collection · Final report · Jul 1, 2018 · N7625Q · Substantial damage > The pilot's improper landing flare in crosswind conditions, which resulted in a hard landing. - [NTSB GAA16CA042](https://openairdocs.org/ntsb/GAA16CA042.md): Cessna 421 · Amarillo, TX · Accident · No injuries · Data collection · Final report · Oct 14, 2015 · N19CH · Substantial damage > The loss of directional control during taxi to the runway as a result of insufficient brake fluid level in the right brake master cylinder, resulting in a taxiway excursion and collision with a drainage culvert. - [NTSB CEN14CA310](https://openairdocs.org/ntsb/CEN14CA310.md): Cessna 421A · Dallas, TX · Accident · No injuries · Data collection · Final report · May 24, 2014 · N936U · Substantial damage > The improper rigging of the landing gear by maintenance personnel, which resulted in the landing gear collapse. - [NTSB CEN14LA256](https://openairdocs.org/ntsb/CEN14LA256.md): Cessna 421 · Horseshoe Bay, TX · Accident · No injuries · Limited investigation · Final report · Apr 22, 2014 · N866BS · Substantial damage > The failure of the drive mechanism for the gearbox motor, which resulted in the gear not extending for the landing. - [NTSB CEN13FA352](https://openairdocs.org/ntsb/CEN13FA352.md): Aero Commander 685 · Victoria, TX · Accident · Serious injuries · Field investigation · Final report · Jun 15, 2013 · N74CP · Substantial damage > Maintenance personnel's failure to secure the left engine idler pin during overhaul, which resulted in a catastrophic engine failure and subsequent forced landing. - [NTSB CEN13FA039](https://openairdocs.org/ntsb/CEN13FA039.md): Cessna 320E · San Marcos, TX · Accident · 1 fatal · Field investigation · Final report · Nov 1, 2012 · N10PM · Substantial damage > The non-instrument-rated pilot’s decision to takeoff in night instrument meteorological conditions, which resulted in spatial disorientation and a loss of control. - [NTSB CEN12FA606](https://openairdocs.org/ntsb/CEN12FA606.md): Cessna 421B · Fort Worth, TX · Accident · Serious injuries · Field investigation · Final report · Sep 5, 2012 · N69924 · Substantial damage > The pilot's failure to maintain airplane control on takeoff, which resulted in an inadvertent stall. Contributing to the accident were the unlatched nose cargo door, the pilot’s diverted attention, and the pilot's mental ability to handle the emergency… - [NTSB CEN12CA104](https://openairdocs.org/ntsb/CEN12CA104.md): Cessna 421B · Pampa, TX · Accident · No injuries · Data collection · Final report · Dec 9, 2011 · N421CE · Substantial damage > The pilot's inadequate aircraft control during landing, which resulted in a hard landing. - [NTSB CEN10MA367](https://openairdocs.org/ntsb/CEN10MA367.md): Cessna 421B · Alpine, TX · Accident · 5 fatal · Major investigation · Final report · Jul 4, 2010 · N31AS · Substantial damage > The degraded performance of the airplane due to the pilot not properly setting the flaps and retracting the landing gear after takeoff. Contributing to the accident was the pilot’s fatigue. - [NTSB CEN09LA284](https://openairdocs.org/ntsb/CEN09LA284.md): Cessna 421B · Alpine, TX · Accident · Minor injuries · Limited investigation · Final report · May 8, 2009 · N60HG · Substantial damage > The loss of engine power due to disengagement of the magneto idler gear support pin. - [NTSB DFW07CA038](https://openairdocs.org/ntsb/DFW07CA038.md): Cessna 421 · Brackettville, TX · Accident · No injuries · Data collection · Final report · Dec 16, 2006 · N642CB · Destroyed > The pilot's failure to maintain proper runway alignment on final approach and his delayed decision to execute a go-around. Factors were the dark night conditions and the inoperative runway edge lights. - [NTSB FTW04LA195](https://openairdocs.org/ntsb/FTW04LA195.md): Cessna T210L · Columbus, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2004 · N5118Q · Substantial damage > the pilot's failure to maintain directional control during the takeoff roll and abort the attempted takeoff. - [NTSB FTW02LA269](https://openairdocs.org/ntsb/FTW02LA269.md): Cessna 421B · Mineral Wells, TX · Accident · No injuries · Limited investigation · Final report · Sep 28, 2002 · N7926R · Substantial damage > The pilot's failure to maintain a proper descent rate which resulted hard landing and a subsequent failure of the main landing gear. - [NTSB FTW02LA261](https://openairdocs.org/ntsb/FTW02LA261.md): Beech V35 · Del Rio, TX · Accident · No injuries · Limited investigation · Final report · Sep 21, 2002 · N9486S · Substantial damage > The loss of engine power due to the low-pressure pump separating internally. Contributing factors were the deterioration of the fuel pump and the lack of suitable terrain for the forced landing. - [NTSB FTW01LA002](https://openairdocs.org/ntsb/FTW01LA002.md): Cessna 401A · Andrews, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 10, 2000 · N800SS · Substantial damage > The hard landing due to the pilot's excessive rate of descent. A factor was the loss of engine power due to fuel starvation as a result of the pilot's improper positioning of the fuel selectors. - [NTSB FTW98FA216](https://openairdocs.org/ntsb/FTW98FA216.md): Beagle B-206 · Vernon, TX · Accident · 3 fatal · Field investigation · Final report · May 16, 1998 · N1885S · Destroyed > The pilot's failure to maintain the airplane's minimum controllable airspeed following a loss of left engine power after takeoff, which resulted in a loss of control. Contributing factors were the fractured exhaust valve guide on the left engine's # 2… - [NTSB FTW89FA074](https://openairdocs.org/ntsb/FTW89FA074.md): Cessna 421 · Brownsville, TX · Accident · 1 fatal · Field investigation · Final report · Mar 29, 1989 · N4595L · Destroyed > The pilot's improper emergency procedure after lossing power in the right engine, and his failure to maintain minimum control speed (VMC), which resulted in a loss of aircraft control. Factors related to the accident were: fuel starvation of the right engine,… - [NTSB FTW86FPA17](https://openairdocs.org/ntsb/FTW86FPA17.md): Cessna 421 · Alvord, TX · Accident · Serious injuries · Final report · Feb 22, 1986 · N8155Q · Substantial damage > The acft collided with tree tops and sheared the landing gear during a forced landing off arpt. The left eng had been feathered due to loss of oil from a ruptured oil hose between the oil pump & filter. The rt eng was not developing full power because of an… - [NTSB FTW85LA218](https://openairdocs.org/ntsb/FTW85LA218.md): Cessna 421 · Mckinney, TX · Accident · No injuries · Limited investigation · Final report · May 10, 1985 · N888K · Substantial damage > After landing while taxiing on the rwy, the acft's nose wheel started bogging down in soft asphalt on the rwy. The soft asphalt was pushed along in front of the wheel until it caused enough resistance to overstress the nose gear causing it to collapse. The… - [NTSB FTW83LA412](https://openairdocs.org/ntsb/FTW83LA412.md): Cessna 421C · Port Lavaca, TX · Accident · No injuries · Limited investigation · Final report · Sep 2, 1983 · N87546 · Substantial damage > The acft collided with a fence and bushes during takeoff. The rwy was shell and turf construction 2300 ft long. The plt figured the takeoff distance from a chart using dry hard surfaced level rwy. The acceleration seemed slow according to a witness and the… - [NTSB FTW82IA331](https://openairdocs.org/ntsb/FTW82IA331.md): Cessna 421B · El Paso, TX · Incident · Minor injuries · Incident investigation · Final report · Aug 16, 1982 · N1969J · Minor damage > N1969J is a 1974 Cessna 421B modified by a riley conversion kit. The aircraft was descending through about 1900 ft MSL when, without previous warning, it yawed left. The pilot reported that the acft then immediately yawed severely to the right and began to… - [NTSB FTW82DA261](https://openairdocs.org/ntsb/FTW82DA261.md): Cessna T310P · Dallas, TX · Accident · Minor injuries · Final report · Jul 2, 1982 · N303TC · Substantial damage > The aircraft owner, who had not flown for one year, and a flight instructor were on an instructional flight to prepare the owner for a flight review. After flying about one hour, they returned to the airport and began practicing landings. After the second… - [NTSB FTW82FA155](https://openairdocs.org/ntsb/FTW82FA155.md): Cessna 411A · Houston, TX · Accident · 1 fatal · Field investigation · Final report · Apr 28, 1982 · N411HN · Destroyed > The acft was the second acft of a flight of two. The lead acft had received radio clearance for takeoff. The lead acft was to proceed to a visual checkpoint northwest of the arpt & wait for this acft to join up. Witnesses observed the acft depart rwy 17 &… - [NTSB FTW81FA079](https://openairdocs.org/ntsb/FTW81FA079.md): Cessna TU206B · Beaumont, TX · Accident · 1 fatal · Closed · Apr 25, 1981 · N3414L · Destroyed - [NTSB FTW80DRA25](https://openairdocs.org/ntsb/FTW80DRA25.md): Cessna 411A · Houston, TX · Accident · No injuries · Closed · Apr 26, 1980 · N411HN · Substantial damage - [NTSB FTW79FRG25](https://openairdocs.org/ntsb/FTW79FRG25.md): Cessna 421 · Lakeway, TX · Accident · No injuries · Closed · Apr 9, 1979 · N4584L · Substantial damage - [NTSB FTW79DRA03](https://openairdocs.org/ntsb/FTW79DRA03.md): Cessna 421B · Wichita Falls, TX · Accident · No injuries · Closed · Nov 12, 1978 · N1588G · Substantial damage - [NTSB FTW76DRA02](https://openairdocs.org/ntsb/FTW76DRA02.md): Cessna 188B · La Ward, TX · Accident · No injuries · Closed · Jul 5, 1975 · N6380G · Substantial damage - [NTSB FTW75FQG41](https://openairdocs.org/ntsb/FTW75FQG41.md): Cessna 411 · Wink, TX · Accident · No injuries · Closed · Jan 17, 1975 · N7321U · Substantial damage - [NTSB FTW74FQD09](https://openairdocs.org/ntsb/FTW74FQD09.md): Cessna T210F · El Paso, TX · Accident · No injuries · Closed · Oct 7, 1973 · N6724R · Substantial damage - [NTSB FTW70FRJ01](https://openairdocs.org/ntsb/FTW70FRJ01.md): Cessna 401A · Tyler, TX · Incident · No injuries · Closed · Feb 16, 1970 · N69RH · Minor damage - [NTSB FTW70D0212](https://openairdocs.org/ntsb/FTW70D0212.md): Cessna T210 · Dalhart, TX · Accident · No injuries · Closed · Sep 3, 1969 · N6195R · Substantial damage ## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17035')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=17035&state=TX --- 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.