# NTSB investigations: Continental TSIO-520 series, CO

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 2 · 97 cases

## Latest cases

- [NTSB CEN24LA329](https://openairdocs.org/ntsb/CEN24LA329.md): Cessna 414 · Leadville, CO · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2024 · N1652T · Substantial damage
  > A loss of brake fluid for reasons that could not be determined, which resulted in a loss of braking effectiveness during landing.
- [NTSB CEN22LA204](https://openairdocs.org/ntsb/CEN22LA204.md): Cessna T210N · Denver, CO · Accident · No injuries · Class 3 · Limited · Final report · May 17, 2022 · N210SD · Substantial damage
  > The main landing gear collapsed during landing for reasons that could not be determined.
- [NTSB CEN22FA011](https://openairdocs.org/ntsb/CEN22FA011.md): Beech 58TC · Mesa, CO · Accident · 1 fatal · Class 3 · Field · Final report · Oct 11, 2021 · N6748V · Destroyed
  > The maintenance personnel’s failure to properly tighten the turbocharger oil line and the right engine propeller governor, which resulted in a loss of engine power. Contributing to the accident was the loss of airplane control following the loss of engine…
- [NTSB CEN21LA271](https://openairdocs.org/ntsb/CEN21LA271.md): Cessna T210L · Buena Vista, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 14, 2021 · N30286 · Substantial damage
  > The partial loss of engine power due to a vane failure in the engine-driven fuel pump.
- [NTSB CEN20LA365](https://openairdocs.org/ntsb/CEN20LA365.md): Cessna T210 · Peyton, CO · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 26, 2020 · N64EM · Destroyed
  > The pilot’s failure to maintain adequate airspeed and the exceedance of the airplane’s critical angle of attack during the airplane’s turn to final, resulting in an aerodynamic stall.
- [NTSB CEN18LA142](https://openairdocs.org/ntsb/CEN18LA142.md): Cessna T210N · Colorado Springs, CO · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2018 · N6988N · Substantial damage
  > The pilot's inadequate in-flight fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN18CA021](https://openairdocs.org/ntsb/CEN18CA021.md): Cessna T210N · Eagle, CO · Accident · No injuries · Data collection · Final report · Oct 23, 2017 · N5129C · Substantial damage
  > The pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN17LA247](https://openairdocs.org/ntsb/CEN17LA247.md): Cessna P210N · Eagle, CO · Accident · No injuries · Limited investigation · Final report · Jun 30, 2017 · N210HG · Substantial damage
  > The loss of engine power due to fuel starvation for reasons that could not be determined because an examination of the airplane and engine did not reveal any malfunctions or failures that would have precluded normal operation.
- [NTSB GAA17CA221](https://openairdocs.org/ntsb/GAA17CA221.md): Cessna P210 · Granby, CO · Accident · No injuries · Data collection · Final report · Apr 6, 2017 · N829BA · Substantial damage
  > The pilot's failure to extend the landing gear before landing.
- [NTSB GAA17CA131](https://openairdocs.org/ntsb/GAA17CA131.md): Cessna T210 · Loveland, CO · Accident · Minor injuries · Data collection · Final report · Feb 5, 2017 · N4853U · Substantial damage
  > The pilot's exceedance of the airplane’s critical angle of attack during an attempted go-around, which resulted in an aerodynamic stall.
- [NTSB CEN16FA224](https://openairdocs.org/ntsb/CEN16FA224.md): Cessna 320E · Creede, CO · Accident · 3 fatal · Field investigation · Final report · Jun 15, 2016 · N777GY · Destroyed
  > The pilot's loss of airplane control during descent following a loss of engine power for reasons that could not be determined because postaccident examinations and engine test-runs of both engines revealed no evidence of any mechanical malfunctions or…
- [NTSB GAA16CA337](https://openairdocs.org/ntsb/GAA16CA337.md): Cessna T210 · Buena Vista, CO · Accident · No injuries · Data collection · Final report · Jun 9, 2016 · N9915Y · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusty wind conditions, which resulted in a runway excursion and substantial damage to the firewall.
- [NTSB CEN16FA188](https://openairdocs.org/ntsb/CEN16FA188.md): Cessna P210N · Sheridan Lake, CO · Accident · 1 fatal · Field investigation · Final report · May 18, 2016 · N6609P · Substantial damage
  > The pilot's severe impairment from the combined effects of high levels of ingested alcohol as well as three impairing medications (zolpidem, lorazepam, and diphenhydramine), which resulted in his decision to attempt an aerobatic maneuver that the airplane was…
- [NTSB CEN15FA090](https://openairdocs.org/ntsb/CEN15FA090.md): Cessna 404 · Englewood, CO · Accident · 1 fatal · Field investigation · Final report · Dec 30, 2014 · N404MG · Substantial damage
  > The loss of power to the right engine for reasons that could not be determined during postaccident examination and teardown and the pilot’s failure to properly configure the airplane for single-engine flight.
- [NTSB CEN14CA106](https://openairdocs.org/ntsb/CEN14CA106.md): Cessna P210N · Pagosa Springs, CO · Accident · Minor injuries · Data collection · Final report · Jan 8, 2014 · N4817K · Substantial damage
  > The pilot's inadequate preflight inspection which led to a loss of oil pressure and partial loss of engine power on takeoff. Contributing to the accident was the pilot's failure to check the security of the oil filler cap prior to the flight.
- [NTSB CEN14FA064](https://openairdocs.org/ntsb/CEN14FA064.md): Cessna T210 · Cedaredge, CO · Accident · 1 fatal · Field investigation · Final report · Nov 20, 2013 · N6832B · Destroyed
  > The pilot's spatial disorientation while operating in dark night conditions in snow showers and his subsequent failure to maintain airplane control, which resulted in overstress of the airplane and an in-flight breakup. Contributing to the loss of control was…
- [NTSB CEN13LA539](https://openairdocs.org/ntsb/CEN13LA539.md): Cessna T207 · Colorado Springs, CO · Accident · Minor injuries · Limited investigation · Final report · Sep 4, 2013 · N211AS · Substantial damage
  > The pilot’s failure to establish the proper pitch attitude and airspeed during takeoff with the engine at maximum power, which resulted in the exceedance of the airplane’s climb performance capability.
- [NTSB CEN12CA564](https://openairdocs.org/ntsb/CEN12CA564.md): Cessna T210N · Boulder, CO · Accident · Minor injuries · Data collection · Final report · Aug 22, 2012 · N85S · Substantial damage
  > The pilot’s decision to continue the unstable approach, which resulted in a loss of control during landing and a runway excursion.
- [NTSB CEN12LA420](https://openairdocs.org/ntsb/CEN12LA420.md): Cessna T210M · Colorado Springs, CO · Accident · No injuries · Limited investigation · Final report · Jul 20, 2012 · N311TM · Substantial damage
  > The failure of the right hydraulic main gear down-lock actuator hose in flight.
- [NTSB CEN12FA161](https://openairdocs.org/ntsb/CEN12FA161.md): Cessna 414A · Hayden, CO · Accident · 2 fatal · Field investigation · Final report · Feb 19, 2012 · N4772A · Substantial damage
  > The pilot’s inadvertent stall during a missed approach. Contributing to the accident was the pilot’s operation of the airplane in forecasted icing conditions without using all of its anti-ice systems.
- [NTSB CEN11CA620](https://openairdocs.org/ntsb/CEN11CA620.md): Cessna T210M · Kremmling, CO · Accident · No injuries · Data collection · Final report · Aug 26, 2011 · N761NX · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing.
- [NTSB CEN11LA357](https://openairdocs.org/ntsb/CEN11LA357.md): Cessna T210M · Pueblo, CO · Accident · No injuries · Limited investigation · Final report · May 21, 2011 · N6850B · Substantial damage
  > Failure of the landing gear to fully extend due to a failed o-ring in the nose gear actuator piston and a broken seal in the emergency landing gear extension system.
- [NTSB CEN10FA021](https://openairdocs.org/ntsb/CEN10FA021.md): Cessna P210N · Rifle, CO · Accident · Minor injuries · Field investigation · Final report · Oct 18, 2009 · N7217S · Substantial damage
  > The pilot’s failure to properly identify the power lever and, instead, manipulating the propeller condition lever.
- [NTSB CEN09CA123](https://openairdocs.org/ntsb/CEN09CA123.md): Cessna T210M · Fort Collins, CO · Accident · No injuries · Data collection · Final report · Dec 31, 2008 · N732YK · Substantial damage
  > A total loss of engine power due to fuel starvation as a result of the pilot's failure to select the fullest tank before landing.
- [NTSB CEN09FA098](https://openairdocs.org/ntsb/CEN09FA098.md): Piper PA-46 · Hayden, CO · Accident · 2 fatal · Field investigation · Final report · Dec 22, 2008 · N46SB · Destroyed
  > The pilot's loss of situational awareness while maneuvering in adverse weather conditions, resulting in spatial disorientation.
- [NTSB CEN09LA031](https://openairdocs.org/ntsb/CEN09LA031.md): Cessna 180 · Whitewater, CO · Accident · No injuries · Limited investigation · Final report · Oct 22, 2008 · N3389D · 2 aircraft · Substantial damage
  > Both pilots' failure to see and avoid the other airplane. Contributing factors in this accident were the Cessna 180 pilot's attention being diverted and the Cessna 210 pilot's vision being affected by the sun glare.
- [NTSB DEN08LA069](https://openairdocs.org/ntsb/DEN08LA069.md): Cessna P210N · Elizabeth, CO · Accident · No injuries · Limited investigation · Final report · Mar 29, 2008 · N4839P · Substantial damage
  > the loss of engine power due to the fatigue failure of the camshaft gear. Contributing to the accident was the lack of suitable terrain for the forced landing.
- [NTSB DEN08IA044](https://openairdocs.org/ntsb/DEN08IA044.md): Piper PA-46-310P · Aspen, CO · Incident · No injuries · Incident investigation · Final report · Dec 26, 2007 · N47BC · Minor damage
  > The failure of the crankshaft due to fatigue. The fatigue crack initiation was not determined.
- [NTSB DEN08CA023](https://openairdocs.org/ntsb/DEN08CA023.md): Cessna TP206A · Boulder, CO · Accident · Minor injuries · Data collection · Final report · Nov 2, 2007 · N4635F · Substantial damage
  > The pilot's misjudgment of altitude. Contributing factors in this accident were the pilot's intentional low airspeed, his failure to execute a go-around, and the soft terrain.
- [NTSB DEN07CA116](https://openairdocs.org/ntsb/DEN07CA116.md): Cessna T210N · Loveland, CO · Accident · No injuries · Data collection · Final report · Jul 3, 2007 · N5129C · Substantial damage
  > The pilot's failure to lower the landing gear. Contributing factors were the pilot's attention being diverted, and his failure to use the BEFORE LANDING checklist.
- [NTSB DEN07CA104](https://openairdocs.org/ntsb/DEN07CA104.md): Beech B36TC · Hudson, CO · Accident · No injuries · Data collection · Final report · Jun 20, 2007 · N6929B · Substantial damage
  > The pilot's improper in-flight decision, and his failure to maintain proper aircraft control during takeoff resulting in an inadvertent stall and the subsequent impact with the runway and terrain.
- [NTSB DEN07CA039](https://openairdocs.org/ntsb/DEN07CA039.md): Cessna T210M · Broomfield, CO · Accident · No injuries · Data collection · Final report · Dec 25, 2006 · N6051N · Substantial damage
  > the failure of the mechanic to comply with the required replacement schedule resulting in the failure of the hydraulic line and the resulting gear up landing.
- [NTSB DEN06FA091](https://openairdocs.org/ntsb/DEN06FA091.md): Beech A36TC · Montrose, CO · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2006 · N1800Z · Destroyed
  > the pilot's inadequate preflight planning/decision by not having the airplane refueled prior to takeoff, and allowing the engine to be starved of fuel because he failed to switch the fuel selector valve. A contributing factor was the flight instructor's…
- [NTSB DEN06CA089](https://openairdocs.org/ntsb/DEN06CA089.md): Cessna TU206G · Alamosa, CO · Accident · No injuries · Data collection · Final report · Jun 14, 2006 · N6134X · Substantial damage
  > the pilot's failure to maintain aircraft control during the landing. Contributing factors include the gusty winds, the crosswind, and the pilot exceeding the maximum demonstrated crosswind component for the airplane.
- [NTSB DEN05CA147](https://openairdocs.org/ntsb/DEN05CA147.md): Cessna T210L · Las Animas, CO · Accident · No injuries · Data collection · Final report · Sep 24, 2005 · N94263 · Substantial damage
  > the loss of engine power due to fuel exhaustion. Contributing factors were the pilot's inadequate preflight planning and lack of suitable terrain for the forced landing.
- [NTSB DEN05CA136](https://openairdocs.org/ntsb/DEN05CA136.md): Cessna T207A · Telluride, CO · Accident · Minor injuries · Data collection · Final report · Sep 9, 2005 · N207GR · Substantial damage
  > the pilot's improper in-flight planning/decision and failure to maintain aircraft control. Contributing factors were the pilot's failure to maintain airspeed which resulted in an inadvertent stall, and the rising terrain and encounter with downdrafts.
- [NTSB DEN05LA075](https://openairdocs.org/ntsb/DEN05LA075.md): Cessna T188C · Fowler, CO · Accident · No injuries · Limited investigation · Final report · May 14, 2005 · N666DB · Substantial damage
  > the pilot's failure to maintain visual lookout and clearance, resulting in an in-flight collision with transmission lines.
- [NTSB DEN04FA109](https://openairdocs.org/ntsb/DEN04FA109.md): Beech 58P · Fort Collins, CO · Accident · 3 fatal · Field investigation · Final report · Jul 24, 2004 · N69CL · Destroyed
  > the loss of engine power for undetermined reasons, and the pilot's failure to maintain adequate airspeed which resulted in a stall/spin. Clouds and the pilot's diverted attention were contributing factors.
- [NTSB DEN04LA021](https://openairdocs.org/ntsb/DEN04LA021.md): Cessna T210N · Johnstown, CO · Accident · No injuries · Limited investigation · Final report · Nov 10, 2003 · N6961N · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll. Factors contributing to the accident were the gusting crosswinds.
- [NTSB DEN03LA123](https://openairdocs.org/ntsb/DEN03LA123.md): Piper PA-46-310P · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Jul 6, 2003 · N4386G · Substantial damage
  > the pilot's improper flare which resulted in a hard landing. Contributing factors were the out-of-calibration waste gate actuator, a blown tire, and the airport sign.
- [NTSB DEN03LA116](https://openairdocs.org/ntsb/DEN03LA116.md): Cessna T210M · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Jul 2, 2003 · N761XE · Substantial damage
  > the failure of the landing gear actuator switch. Factors relating to the accident were the false landing gear indication, the precautionary landing, and the improper maintenance adjustment performed on the landing gear switch prior to the accident flight.
- [NTSB DEN02LA057](https://openairdocs.org/ntsb/DEN02LA057.md): Beech 58P · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Jun 24, 2002 · N94PB · Substantial damage
  > the pilot's failure to follow procedures for a balked landing which resulted in a stall/mush.
- [NTSB DEN02TA052](https://openairdocs.org/ntsb/DEN02TA052.md): Beech 58P · Grand Junction, CO · Accident · No injuries · Final report · Jun 10, 2002 · N123Z · Substantial damage
  > the pilot's inadvertent flight into adverse weather conditions. A factor contributing to the accident was the terrain-induced turbulence.
- [NTSB DEN02FA034](https://openairdocs.org/ntsb/DEN02FA034.md): Cessna 340 · Englewood, CO · Accident · 4 fatal · Field investigation · Final report · Mar 24, 2002 · N341DM · Destroyed
  > the pilot not following procedures/directives (flying a landing approach with the left fuel selector in the auxiliary position). Contributing factors were the loss of the left engine power due to fuel starvation, the pilot's failure to maintain aircraft…
- [NTSB DEN02LA026](https://openairdocs.org/ntsb/DEN02LA026.md): Beech B36TC · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Feb 18, 2002 · N6444C · Substantial damage
  > The pilot flaring the airplane prematurely, which resulted in a hard landing.
- [NTSB DEN02LA012](https://openairdocs.org/ntsb/DEN02LA012.md): Cessna T210N · Montrose, CO · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 2001 · N210GB · Destroyed
  > the loss of engine power during initial climb for undetermined reason. A factor was the lack of suitable terrain for a forced landing.
- [NTSB DEN01LA073](https://openairdocs.org/ntsb/DEN01LA073.md): Cessna 340 · Alamosa, CO · Accident · No injuries · Limited investigation · Final report · Mar 20, 2001 · N9940F · Substantial damage
  > The in-flight collision with a large bird during downwind approach for landing.
- [NTSB DEN01LA042](https://openairdocs.org/ntsb/DEN01LA042.md): Cessna P210N · Pagosa Springs, CO · Accident · No injuries · Limited investigation · Final report · Jan 18, 2001 · N4817K · Substantial damage
  > failure to maintain directional control of the aircraft after an encounter with adverse weather during landing roll. A factor was ground fog.
- [NTSB DEN00LA177](https://openairdocs.org/ntsb/DEN00LA177.md): Cessna 340 · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Sep 23, 2000 · N388SP · Substantial damage
  > The pilot landing the aircraft hard exceeding the design stress limits. Factors were: Low ceiling, freezing rain, dark night, excessive descent rate, and improper glide path.
- [NTSB DEN00LA016](https://openairdocs.org/ntsb/DEN00LA016.md): Cessna 150E · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Nov 7, 1999 · N6158T · 2 aircraft · Substantial damage
  > The pilot of the other aircraft's failure to follow right-of-way VFR procedures and inadequate visual lookout.

Next page: https://openairdocs.org/ntsb.md?engine=17040&state=CO&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."eventStateOrRegion" = 'CO' 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 ('17040'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17040&state=CO

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