# NTSB investigations: Continental IO-520 series: Airframe/component/system failure/malfunction

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 1 of 3 · 127 cases

## Latest cases

- [NTSB DEN08LA021](https://openairdocs.org/ntsb/DEN08LA021.md): Cessna T210K · Los Alamos, NM · Accident · No injuries · Limited investigation · Final report · Oct 28, 2007 · N8251M · Substantial damage
  > The binding of the nose landing gear doors for undetermined reasons, resulting in the pilot having to make a nose gear up landing.
- [NTSB SEA07LA140](https://openairdocs.org/ntsb/SEA07LA140.md): Cessna A185F · Shearer, ID · Accident · Serious injuries · Limited investigation · Final report · May 30, 2007 · N104DE · Substantial damage
  > A fracture and separation of the left main landing gear strut during the landing roll due to fatigue.
- [NTSB DFW07LA108](https://openairdocs.org/ntsb/DFW07LA108.md): Cessna A188A · Clinton, OK · Accident · Serious injuries · Limited investigation · Final report · May 11, 2007 · N4413Q · Substantial damage
  > Separation of the exhaust stack and resulting vapor lock. A contributing factor was the none suitable terrain for the forced landing.
- [NTSB ANC07LA035](https://openairdocs.org/ntsb/ANC07LA035.md): Cessna A185F · Haines, AK · Accident · No injuries · Limited investigation · Final report · May 2, 2007 · N185M · Substantial damage
  > The main landing gear attachment bolts to the right ski sheared during the landing roll in deep snow, resulting in a nose down, and structural damage to the right wing and aileron.
- [NTSB LAX06FA113](https://openairdocs.org/ntsb/LAX06FA113.md): Cessna 210M · Long Beach, CA · Accident · Serious injuries · Field investigation · Final report · Feb 13, 2006 · N6895B · Destroyed
  > an erroneous low fuel quantity indication that led the pilot to attempt a precautionary landing in a congested and less than ideal location. The erroneous fuel level indication was due to multiple anomalies with the alternator installation that precipitated a…
- [NTSB SEA06CA048](https://openairdocs.org/ntsb/SEA06CA048.md): Cessna A185E · Lewiston, ID · Accident · No injuries · Data collection · Final report · Jan 30, 2006 · N2303Y · Substantial damage
  > The failure of the left main landing gear attaching bolt, which resulted in the left main gear collapsing during the landing roll.
- [NTSB ANC06TA009](https://openairdocs.org/ntsb/ANC06TA009.md): Cessna 185 · Cordova, AK · Accident · Minor injuries · Final report · Nov 5, 2005 · N771X · Substantial damage
  > A fracture and separation of the main landing gear strut during the landing roll, which resulted in a loss of control, and subsequent nose down. Factors contributing to the accident were the manufacturer's and the FAA's insufficient standards/requirements…
- [NTSB LAX06CA008](https://openairdocs.org/ntsb/LAX06CA008.md): Bellanca 17-30A · Riverside, CA · Accident · No injuries · Data collection · Final report · Oct 11, 2005 · N14715 · Substantial damage
  > The failure of the steering control rod during an unknown phase of the accident flight that resulted in the unavailability of steering control upon landing.
- [NTSB NYC06CA053](https://openairdocs.org/ntsb/NYC06CA053.md): Beech E-55 · Providence, RI · Accident · No injuries · Data collection · Final report · Oct 3, 2005 · N72BG · Substantial damage
  > The pilot's failure to verify landing gear extension after a landing gear malfunction, which resulted in a wheels up landing.
- [NTSB LAX05LA237](https://openairdocs.org/ntsb/LAX05LA237.md): Cessna A188B · Bishop, CA · Accident · No injuries · Limited investigation · Final report · Jul 16, 2005 · N731GE · Substantial damage
  > the failure of the tailwheel mount during the landing roll, which resulted in a ground loop.
- [NTSB SEA05FA124](https://openairdocs.org/ntsb/SEA05FA124.md): Cessna 320E · Missoula, MT · Accident · Serious injuries · Field investigation · Final report · Jun 21, 2005 · N3438Q · Destroyed
  > Terrain clearance was not possible as a result of a right engine failure. Factors contributing to the accident included the rising terrain, foreign material being ingested into the engine's turbocharger, which obstructed the turbocharger's impeller, the…
- [NTSB CHI05LA154](https://openairdocs.org/ntsb/CHI05LA154.md): Cessna A188B · Washburn, ND · Accident · No injuries · Limited investigation · Final report · Jun 19, 2005 · N774T · Substantial damage
  > The separation of the tailwheel assembly, the pilot's directional control of the airplane not possible during the takeoff, and the unsuitable terrain the pilot encountered.
- [NTSB ANC05LA087](https://openairdocs.org/ntsb/ANC05LA087.md): Cessna U206F · Homer, AK · Accident · No injuries · Limited investigation · Final report · Jun 15, 2005 · N7138Q · Substantial damage
  > The fracture of the airplane's nose gear scissor during landing, which resulted in a loss of control during the landing roll, and a nose down. A factor associated with the accident was the loss of nosewheel steering control.
- [NTSB DFW05CA124](https://openairdocs.org/ntsb/DFW05CA124.md): Cessna 210L · Houston, TX · Accident · No injuries · Data collection · Final report · May 15, 2005 · N1766X · Substantial damage
  > The pilot's failure to maintain directional control during landing roll. A contributing factor was reported partial loss of brake control.
- [NTSB ANC05LA029](https://openairdocs.org/ntsb/ANC05LA029.md): Beech A36 · Bay St. Louis, MS · Accident · No injuries · Limited investigation · Final report · Feb 10, 2005 · N6742S · Substantial damage
  > The pilot's failure to use the manual emergency landing gear extension mechanism during the approach to land, which resulted in the electrically actuated main landing gear collapsing during the landing roll. A factor associated with the accident is an…
- [NTSB CHI05LA064](https://openairdocs.org/ntsb/CHI05LA064.md): Cessna A185F · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Feb 3, 2005 · N1767R · Substantial damage
  > A failure of the tail wheel locking mechanism which resulted in the pilot's inability to maintain directional control of the airplane during the landing roll.
- [NTSB SEA05FA022](https://openairdocs.org/ntsb/SEA05FA022.md): Cessna 185F · Renton, WA · Accident · 1 fatal · Field investigation · Final report · Dec 5, 2004 · N532PC · Destroyed
  > The pilot's failure to maintain aircraft control when the flaps became jammed/stuck in their full-down position during a takeoff from a touch-and-go landing. Factors include a worn/disconnected flap latch mechanism, and the flaps being unable to be retracted.
- [NTSB LAX04LA312](https://openairdocs.org/ntsb/LAX04LA312.md): Beech F33A · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Sep 3, 2004 · N1854N · Substantial damage
  > the pilot's loss of pitch control authority during landing flare due to an autopilot system failure that inhibited control yoke movement. A factor was inadequate autopilot system maintenance.
- [NTSB SEA04LA117](https://openairdocs.org/ntsb/SEA04LA117.md): Cessna 185F · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Jun 24, 2004 · N4585F · Substantial damage
  > The failure of the right main gear brake disk attach flange during the landing roll, due to fatigue cracks emanating from numerous corrosion pits present on the surface of the disk, leading to the right brake becoming totally inoperative, and resulting in a…
- [NTSB DEN04LA075](https://openairdocs.org/ntsb/DEN04LA075.md): Beech 95-C55 · Rifle, CO · Accident · No injuries · Limited investigation · Final report · Apr 28, 2004 · N282JL · Substantial damage
  > the pilot's failure to verify the manual extension of the landing gear resulting in an inadvertent wheels up landing. Contributing factors include the electrical systems failure for undetermined reasons, the pilot's diverted attention and the pilot's improper…
- [NTSB ATL04LA035](https://openairdocs.org/ntsb/ATL04LA035.md): Cessna 210D · Millington, TN · Accident · No injuries · Limited investigation · Final report · Nov 9, 2003 · N3728Y · Substantial damage
  > The malfunction of the main hydraulic landing gear system actuator resulting in an emergency gear up landing.
- [NTSB ANC03LA128](https://openairdocs.org/ntsb/ANC03LA128.md): Cessna 206 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Sep 18, 2003 · N275F · Substantial damage
  > A failure of an attaching bolt that allowed the nose wheel fork to separate from the nose gear strut, which resulted in the collapse of the nose gear during the landing roll. A factor contributing to the accident was rough/uneven terrain.
- [NTSB CHI03LA265](https://openairdocs.org/ntsb/CHI03LA265.md): Cessna 188B · Monette, AR · Accident · No injuries · Limited investigation · Final report · Aug 23, 2003 · N5647G · Substantial damage
  > Failure of the right brake and the pilot's inability to maintain directional control. A factor associated with the accident was the ditch.
- [NTSB ANC03LA074](https://openairdocs.org/ntsb/ANC03LA074.md): Beech 58 · Hoonah, AK · Accident · No injuries · Limited investigation · Final report · Jul 8, 2003 · N3178A · Substantial damage
  > The locking of the left brake during the landing roll, which resulted in the collapse of the left main landing gear.
- [NTSB FTW03LA094](https://openairdocs.org/ntsb/FTW03LA094.md): Cessna 210L · Morrilton, AR · Accident · No injuries · Limited investigation · Final report · Feb 4, 2003 · N22432 · Substantial damage
  > The failure of the main landing gear to extend and lock, as a result of a hydraulic fluid leak caused by a chaffed and ruptured flex line.
- [NTSB FTW03LA075](https://openairdocs.org/ntsb/FTW03LA075.md): Cessna 401 · Mc Allen, TX · Accident · No injuries · Limited investigation · Final report · Jan 4, 2003 · N968JW · Substantial damage
  > The pilot's failure to manually extend the landing gear to the full down and locked position. A contributing faction was a loss of electrical power, which resulted in the failure of the landing gear to extend.
- [NTSB IAD03LA021](https://openairdocs.org/ntsb/IAD03LA021.md): Cessna 210M · Cincinnati, OH · Accident · No injuries · Limited investigation · Final report · Dec 4, 2002 · N7660E · Substantial damage
  > Rupture of the left side, landing gear down hydraulic line due to repeated contact with the aileron cable, which resulted in a loss of hydraulic pressure, a partial extension of the main landing gear, and the inability to utilize the landing gear hand pump.
- [NTSB FTW03FA054](https://openairdocs.org/ntsb/FTW03FA054.md): Cessna 402C · Lewisville, TX · Accident · 1 fatal · Field investigation · Final report · Dec 4, 2002 · N402ME · Destroyed
  > The failure of the attitude indicator, and the pilot's failure to maintain aircraft control as a result of spatial disorientation following the failure of the attitude indicator. Contributing factors were a low ceiling, clouds, and dark night conditions.
- [NTSB ANC02LA122](https://openairdocs.org/ntsb/ANC02LA122.md): Cessna 206 · Circle, AK · Accident · No injuries · Limited investigation · Final report · Sep 17, 2002 · N8515Q · Substantial damage
  > A partial separation of the nose wheel flange from the hub that resulted in a nose over during the landing roll.
- [NTSB ATL02LA163](https://openairdocs.org/ntsb/ATL02LA163.md): Cessna 210L · Georgetown, SC · Accident · No injuries · Limited investigation · Final report · Aug 30, 2002 · N32W · Substantial damage
  > The failure of the landing gear to lock in the down position.
- [NTSB FTW02LA032](https://openairdocs.org/ntsb/FTW02LA032.md): Aero Commander 200D · Houston, TX · Accident · No injuries · Limited investigation · Final report · Nov 13, 2001 · N28PC · Substantial damage
  > the failure of the left outboard elevator attachment, which resulted in the partial separation of the left elevator and induced an airframe vibration.
- [NTSB CHI02LA028](https://openairdocs.org/ntsb/CHI02LA028.md): Bellanca 17-30A · Nevada, MO · Accident · Serious injuries · Limited investigation · Final report · Nov 11, 2001 · N76SV · Substantial damage
  > The inadequate fuel consumtion calculations by the pilot resulting in fuel starvation during the aborted landing, and the overloaded steering link for undetermined reasons resulting in the lack of directional control during landing. Factors were the…
- [NTSB LAX02LA027](https://openairdocs.org/ntsb/LAX02LA027.md): Cessna 210K · North Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Nov 10, 2001 · N8232M · Substantial damage
  > The failure of maintenance personnel to properly diagnose the cause of a reported maintenance discrepancy resulting in the airplane being released from an annual inspection with a worn hydraulic pump which lacked sufficient output to operate the landing gear.…
- [NTSB ATL01LA102](https://openairdocs.org/ntsb/ATL01LA102.md): Beech 55 · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Aug 25, 2001 · N521U · Substantial damage
  > The failure of the left landing gear extention rod for undetermined reasons that resulted in a landing with the gear retracted.
- [NTSB FTW01LA180](https://openairdocs.org/ntsb/FTW01LA180.md): Cessna 210 · Fort Smith, AR · Accident · No injuries · Limited investigation · Final report · Aug 12, 2001 · N8137L · Substantial damage
  > the overload fracture of the left main landing gear actuator which resulted in the loss of all hydraulic fluid and led to a wheels up landing.
- [NTSB IAD01LA058](https://openairdocs.org/ntsb/IAD01LA058.md): Beech 55 · West Chester, PA · Accident · No injuries · Limited investigation · Final report · May 21, 2001 · N4783M · Substantial damage
  > The partial blockage of the pitot/static system, which led to an inaccurate airspeed indication, and resulted in an aborted takeoff and runway overrun. A factor was the wet runway.
- [NTSB ANC01LA057](https://openairdocs.org/ntsb/ANC01LA057.md): Cessna 206 · Stebbins, AK · Accident · No injuries · Limited investigation · Final report · May 15, 2001 · N756DJ · Substantial damage
  > A jammed control yoke during landing, an entangled wiring harness, and inadequate maintenance by company personnel. A factor associated with the accident was the pilot's inability to flare the airplane during landing, due to the mechanical malfunction.
- [NTSB MIA01LA130](https://openairdocs.org/ntsb/MIA01LA130.md): Cessna 210N · Gainesville, FL · Accident · No injuries · Limited investigation · Final report · Apr 26, 2001 · N6585A · Substantial damage
  > The pilot's delay in securing all non-essential electrical equipment in-flight resulting in battery depletion before complete gear extension was accomplished using the normal system and subsequent collapse of the main landing gear. A contributing factor in…
- [NTSB IAD01LA035](https://openairdocs.org/ntsb/IAD01LA035.md): Cessna 210 · Newark, OH · Accident · No injuries · Limited investigation · Final report · Mar 1, 2001 · N3738Y · Substantial damage
  > Improper maintenance, which resulted in the failure of the instrument panel shock mounts.
- [NTSB ANC00LA105](https://openairdocs.org/ntsb/ANC00LA105.md): Cessna 185 · Yakutat, AK · Accident · No injuries · Limited investigation · Final report · Aug 17, 2000 · N185M · Substantial damage
  > The total fatigue failure of the right main landing gear leg.
- [NTSB MIA00FA221](https://openairdocs.org/ntsb/MIA00FA221.md): Beech 58 · Hernando, MS · Accident · 1 fatal · Field investigation · Final report · Jul 17, 2000 · N158MT · Destroyed
  > The arcing of an electrical wire behind the instrument panel and the associated cracking of fuel and oil lines. Also causal was the pilot's inappropriate remedial action not in accordance with the emergency checklist.
- [NTSB ANC00IA083](https://openairdocs.org/ntsb/ANC00IA083.md): Cessna 207A · Deadhorse, AK · Incident · No injuries · Incident investigation · Final report · Jul 5, 2000 · N73100 · Minor damage
  > An in-flight fracture of the engine crankshaft propeller flange. A factor associated with the accident was the manufacturer's inadequate quality control standards.
- [NTSB DEN00LA020](https://openairdocs.org/ntsb/DEN00LA020.md): Cessna 210D · Sheridan, WY · Accident · No injuries · Limited investigation · Final report · Nov 21, 1999 · N3928Y · Substantial damage
  > The partial failure of the engine driven hydraulic pump.
- [NTSB ANC99LA145](https://openairdocs.org/ntsb/ANC99LA145.md): Cessna 185F · Delta Junction, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 15, 1999 · N85LC · Substantial damage
  > Corrosion and a fatigue failure of the lower end of the landing gear strut. Factors in the accident were the manufacturer's and the FAA's insufficient standards/requirements for life limits and inspection procedures.
- [NTSB LAX99LA219](https://openairdocs.org/ntsb/LAX99LA219.md): Beech A-36 · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1999 · N126GL · Substantial damage
  > The failure of the pilot to verify that the alternator was activated after engine start, subsequently resulting in a total electrical failure; and his inadequate emergency procedures for manual extension of the landing gear following the electrical failure.
- [NTSB CHI98LA341](https://openairdocs.org/ntsb/CHI98LA341.md): Cessna 210D · Sturgis, MI · Accident · No injuries · Limited investigation · Final report · Aug 27, 1998 · N524BL · Substantial damage
  > the cracked left main landing gear saddle, resulting in the pilot's inability to get the gear into the down and locked position.
- [NTSB FTW98FA276](https://openairdocs.org/ntsb/FTW98FA276.md): Beech A36 · Nephi, UT · Accident · 2 fatal · Field investigation · Final report · Jun 20, 1998 · N3861K · Destroyed
  > The improper installation of the turbocharger exhaust stack by unknown maintenance personnel and the subsequent fire in the engine compartment due to the exhaust gas leak from the turbocharger. Factors were the total loss of engine power due to fuel line…
- [NTSB FTW98LA280](https://openairdocs.org/ntsb/FTW98LA280.md): Bellanca 17-30A · Shreveport, LA · Accident · No injuries · Limited investigation · Final report · Jun 18, 1998 · N4038B · Substantial damage
  > The collapsed nose gear as a result of failure of the nose gear locking mechanism.
- [NTSB FTW98LA201](https://openairdocs.org/ntsb/FTW98LA201.md): Cessna 320D · Greybull, WY · Accident · No injuries · Limited investigation · Final report · May 1, 1998 · N3316Q · Substantial damage
  > Stress overload failure of the bellcrank assembly of the left landing gear.
- [NTSB FTW98LA148](https://openairdocs.org/ntsb/FTW98LA148.md): Beech 58 · Taos, NM · Accident · No injuries · Limited investigation · Final report · Mar 13, 1998 · N9239Q · Substantial damage
  > The total failure of the landing gear retraction/extension assembly for reasons undetermined.

Next page: https://openairdocs.org/ntsb.md?engine=17032&occurrence=130&page=2

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17032&occurrence=130

---
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.
