# NTSB investigations: Continental IO-520 series, AZ

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 4 · 167 cases

## Latest cases

- [NTSB WPR26LA236](https://openairdocs.org/ntsb/WPR26LA236.md): Beech S35 · Dome, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Jun 25, 2026 · N6040F · Substantial damage
  > On June 25, 2026, about 1125 mountain standard time, a Beech S35, N6040F, sustained substantial damage when it was involved in an accident near Dome, Arizona. The pilot and three passengers were not injured. The airplane was operated as a Title 14 Code of…
- [NTSB WPR24FA054](https://openairdocs.org/ntsb/WPR24FA054.md): Beech A36 · Topock, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Dec 10, 2023 · N4171S · Substantial damage
  > The failure of the No. 4 connecting rod due to oil starvation, which resulted in a loss of engine power, inflight fire, and a subsequent off-airport emergency landing on rough desert terrain. Contributing to the accident was the pilot’s decision to attempt a…
- [NTSB WPR23LA022](https://openairdocs.org/ntsb/WPR23LA022.md): Beech V35B · Nogales, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 20, 2022 · N50JM · Destroyed
  > The pilot’s failure to establish a positive rate of climb before retracting the landing gear when he executed an aborted landing, which resulted in a propeller strike, diminished climb performance, and the inadvertent contact with terrain.
- [NTSB WPR22LA091](https://openairdocs.org/ntsb/WPR22LA091.md): Cessna A185F · Gila Bend, AZ · Accident · No injuries · Class 4 · Limited · Final report · Feb 1, 2022 · N185DG · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll
- [NTSB WPR22LA083](https://openairdocs.org/ntsb/WPR22LA083.md): Beech F33A · Williams, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 26, 2022 · N1HH · Substantial damage
  > The pilot’s activation of the auxiliary fuel boost pump shortly after takeoff, which resulted in an excess amount of fuel to the engine and a total loss of engine power.
- [NTSB WPR19LA128](https://openairdocs.org/ntsb/WPR19LA128.md): Beech 35 · Sedona, AZ · Accident · No injuries · Class 3 · Limited · Final report · May 1, 2019 · N6864Q · Substantial damage
  > The partial loss of engine power due to deteriorated O-rings in the throttle metering assembly. Contributing to the accident was non-compliance with the manufacturer's recommended throttle metering assembly overhaul schedule.
- [NTSB WPR18FA266](https://openairdocs.org/ntsb/WPR18FA266.md): Beech 33 · Cottonwood, AZ · Accident · 1 fatal · Class 2 · Field · Final report · Sep 17, 2018 · N2031D · Substantial damage
  > The pilot's mismanagement of the available fuel, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB WPR18LA263](https://openairdocs.org/ntsb/WPR18LA263.md): Cessna A185 · Bullhead City, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 15, 2018 · N573BV · Substantial damage
  > The pilot’s diverted attention during takeoff initial climb, which resulted in a collision with rising terrain.
- [NTSB GAA18CA256](https://openairdocs.org/ntsb/GAA18CA256.md): Cessna A185 · Chandler, AZ · Accident · No injuries · Data collection · Final report · May 5, 2018 · N76SC · Substantial damage
  > The pilot’s failure to maintain directional control during landing in gusting tailwind conditions.
- [NTSB WPR17LA144](https://openairdocs.org/ntsb/WPR17LA144.md): Cessna U206F · Page, AZ · Accident · No injuries · Limited investigation · Final report · Jun 23, 2017 · N71001 · Substantial damage
  > The failure of the throttle control cable due to fatigue and maintenance personnel’s failure to replace the cable at the last engine overhaul, which resulted in the pilots’ inability to control engine power and led to a precautionary landing during which the…
- [NTSB WPR17FA045](https://openairdocs.org/ntsb/WPR17FA045.md): Cessna T210K · Payson, AZ · Accident · 4 fatal · Field investigation · Final report · Jan 2, 2017 · N272EF · Destroyed
  > The non-instrument-rated pilot's improper decisions to begin and to continue a flight under visual flight rules into instrument meteorological conditions, which resulted in controlled flight into terrain.
- [NTSB GAA16CA013](https://openairdocs.org/ntsb/GAA16CA013.md): Beech F33 · Marana, AZ · Accident · No injuries · Data collection · Final report · Oct 12, 2015 · N5581T · Substantial damage
  > The student pilot's failure to maintain sufficient airspeed during the base to final turn resulting in an inadvertent aerodynamic stall and impact with terrain during recovery by the flight instructor.
- [NTSB WPR16LA015](https://openairdocs.org/ntsb/WPR16LA015.md): Cessna 310J · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Oct 10, 2015 · N3123L · Substantial damage
  > The insufficient right main landing gear (MLG) down-lock tension due to maintenance personnel's failure to perform a rigging procedure during the airplane's most recent inspection, which resulted in the right MLG collapsing during landing.
- [NTSB WPR15LA183](https://openairdocs.org/ntsb/WPR15LA183.md): Beech E33A · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Jun 11, 2015 · N8401N · Substantial damage
  > A loss of left braking action for reasons that could not be determined because postaccident examination did not reveal any evidence of preimpact mechanical failures or malfunctions that would have precluded normal operation, which resulted in a loss of…
- [NTSB WPR14CA110](https://openairdocs.org/ntsb/WPR14CA110.md): Beech V35A · Globe, AZ · Accident · Minor injuries · Data collection · Final report · Feb 1, 2014 · N31TC · Substantial damage
  > The pilot's inadequate glide path and failure to maintain adequate airspeed during final approach, which resulted in an aerodynamic stall.
- [NTSB WPR13LA319](https://openairdocs.org/ntsb/WPR13LA319.md): Cessna T210K · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Jul 4, 2013 · N272EF · Substantial damage
  > The collapse of the left main landing gear due to a broken gear tooth in the landing gear actuator.
- [NTSB WPR11LA305](https://openairdocs.org/ntsb/WPR11LA305.md): Cessna U206 · Nogales, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2011 · N51010 · Substantial damage
  > The pilot did not maintain airplane control during the initial climb.
- [NTSB WPR11LA292](https://openairdocs.org/ntsb/WPR11LA292.md): Cessna 320F · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Jun 21, 2011 · N6160Q · Substantial damage
  > The mechanic's failure to properly secure the nose landing gear actuator push-pull tube to the landing gear door hinge clevis, which resulted in the gear jamming and not fully retracting after takeoff.
- [NTSB WPR10FA473](https://openairdocs.org/ntsb/WPR10FA473.md): Hawker Beechcraft F33 · Phoenix, AZ · Accident · 1 fatal · Field investigation · Final report · Sep 27, 2010 · N1600W · Substantial damage
  > A partial loss of engine power during approach for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR10LA357](https://openairdocs.org/ntsb/WPR10LA357.md): Beech A36 · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Jul 18, 2010 · N9SH · Substantial damage
  > A loss of engine power during descent due to fuel starvation that resulted from the pilot's mismanagement of the fuel system.
- [NTSB WPR10FA305](https://openairdocs.org/ntsb/WPR10FA305.md): Hawker Beechcraft A36 · Seligman, AZ · Accident · 1 fatal · Field investigation · Final report · Jun 19, 2010 · N155FT · Substantial damage
  > The pilot's failure to maintain clearance from mountainous terrain in the dark night.
- [NTSB WPR10LA280](https://openairdocs.org/ntsb/WPR10LA280.md): Beech F33 · Marana, AZ · Accident · No injuries · Limited investigation · Final report · Jun 5, 2010 · N1565A · Substantial damage
  > The loss of engine power while maneuvering to land for undetermined reasons.
- [NTSB WPR10FA228](https://openairdocs.org/ntsb/WPR10FA228.md): Cessna U206G · Yuma, AZ · Accident · 1 fatal · Field investigation · Final report · May 6, 2010 · N756WN · Substantial damage
  > The pilot's loss of situational awareness and failure to maintain aircraft control while maneuvering at low altitude. Contributing to the accident was glare from the rising sun.
- [NTSB WPR09LA422](https://openairdocs.org/ntsb/WPR09LA422.md): Cessna 210K · Show Low, AZ · Accident · No injuries · Limited investigation · Final report · Aug 27, 2009 · N4600Q · Substantial damage
  > A total loss of engine power due to the displaced oil filter adapter gasket, which resulted in an oil leak and oil exhaustion. Contributing to the accident was the unsuitable terrain for a forced landing.
- [NTSB WPR09CA199](https://openairdocs.org/ntsb/WPR09CA199.md): Cessna A185F · Bisbee, AZ · Accident · No injuries · Data collection · Final report · Apr 16, 2009 · N7802F · Substantial damage
  > The flight instructor's inadequate supervision of the flight and inadequate recovery from a bounced landing.
- [NTSB SEA08CA099](https://openairdocs.org/ntsb/SEA08CA099.md): Beechcraft 35-C33A · Prescott, AZ · Accident · No injuries · Data collection · Final report · Mar 29, 2008 · N4833J · Substantial damage
  > Fuel starvation due to the pilot's improper preflight and failure to select a tank containing fuel before takeoff.
- [NTSB LAX08CA039](https://openairdocs.org/ntsb/LAX08CA039.md): Cessna 310R · Phoenix, AZ · Accident · No injuries · Data collection · Final report · Dec 19, 2007 · N5499J · Substantial damage
  > The pilot's selection of a wrong taxi route, inadequate visual lookout, failure to maintain separation from ground obstacles, and excessive taxi speed.
- [NTSB SEA07LA118](https://openairdocs.org/ntsb/SEA07LA118.md): Beech V35B · Kayenta, AZ · Accident · Serious injuries · Limited investigation · Final report · May 2, 2007 · N3210L · Substantial damage
  > The overstress separation of both ruddervators during cruise flight. Contributing to the accident was the flight's encounter with turbulence.
- [NTSB LAX07LA024](https://openairdocs.org/ntsb/LAX07LA024.md): Cessna U206G · Willcox, AZ · Accident · No injuries · Limited investigation · Final report · Oct 23, 2006 · N206LL · Substantial damage
  > The pilot's misjudged flare and porpoising during landing.
- [NTSB LAX06FA130](https://openairdocs.org/ntsb/LAX06FA130.md): Beech F33A · Kingman, AZ · Accident · 2 fatal · Field investigation · Final report · Mar 20, 2006 · N41PT · Destroyed
  > The noninstrument rated pilot's cruise flight into instrument meteorological conditions, and his failure to maintain control of the airplane, which resulted in an uncontrolled descent, and an in-flight collision with terrain. Factors associated with the…
- [NTSB LAX06FA099](https://openairdocs.org/ntsb/LAX06FA099.md): Beechcraft F33A · Buckeye, AZ · Accident · 1 fatal · Field investigation · Final report · Feb 1, 2006 · N1563A · Destroyed
  > The student pilot's failure to maintain aircraft control for undetermined reasons.
- [NTSB LAX06CA042](https://openairdocs.org/ntsb/LAX06CA042.md): Cessna A185E · Show Low, AZ · Accident · Minor injuries · Data collection · Final report · Nov 19, 2005 · N4562F · Substantial damage
  > the pilot's inadequate compensation for crosswind conditions and failure to maintain directional control, which resulted in a ground loop.
- [NTSB LAX05LA110](https://openairdocs.org/ntsb/LAX05LA110.md): Cessna A185E · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Mar 9, 2005 · N4530F · Substantial damage
  > a loss of directional control due to the failure of unknown maintenance personnel to install the tailwheel-locking collar, and the inadequate maintenance inspection of the worn tailwheel steering arm.
- [NTSB LAX04LA149](https://openairdocs.org/ntsb/LAX04LA149.md): Cessna 402A · Peach Springs, AZ · Accident · No injuries · Limited investigation · Final report · Mar 9, 2004 · N99AT · Substantial damage
  > the pilot's inadequate flare and touchdown that imparted high side loadings on the right main landing gear, which resulted in an overload failure of the landing gear bellcrank and the collapse of that gear.
- [NTSB LAX04LA142](https://openairdocs.org/ntsb/LAX04LA142.md): Cessna A185F · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Feb 29, 2004 · N338H · Substantial damage
  > the pilot's inadequate compensation for the quartering tailwind and failure to maintain directional control during landing rollout.
- [NTSB LAX04LA131](https://openairdocs.org/ntsb/LAX04LA131.md): Cessna 185F · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Feb 13, 2004 · N4836Q · Substantial damage
  > the pilot's inadequate compensation for the crosswind and his failure to maintain directional control, which resulted in an inadvertent ground loop. A factor in this accident was the pilot's diverted attention.
- [NTSB DEN03FAMS1](https://openairdocs.org/ntsb/DEN03FAMS1.md): Beech F33A · Greer, AZ · Accident · 2 fatal · Missing aircraft · Final report · Sep 21, 2003 · N927JL · Destroyed
  > The airplane is missing for unknown reason.
- [NTSB LAX03LA216](https://openairdocs.org/ntsb/LAX03LA216.md): Cessna 210D · Carefree, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2003 · N3826Y · Substantial damage
  > fuel exhaustion due to a crack on the elbow fitting to the gascolator resulted in a fuel leak.
- [NTSB LAX03LA139](https://openairdocs.org/ntsb/LAX03LA139.md): Aero Commander 200D · Corona De Tucso, AZ · Accident · 1 fatal · Limited investigation · Final report · Apr 21, 2003 · N243M · Destroyed
  > The pilot's failure to maintain an adequate clearance from obstructions while performing low level passes. The pilot's physical impairment due to a high blood alcohol level was also causal.
- [NTSB LAX03LA080](https://openairdocs.org/ntsb/LAX03LA080.md): Beech S-35 · Quartzsite, AZ · Accident · No injuries · Limited investigation · Final report · Feb 1, 2003 · N6106V · Substantial damage
  > The driver of the vehicle did not stop prior to crossing the airstrip as directed by airstrip signage.
- [NTSB LAX02LA233](https://openairdocs.org/ntsb/LAX02LA233.md): Beech S35 · St. Johns, AZ · Accident · No injuries · Limited investigation · Final report · Jul 16, 2002 · N864T · Substantial damage
  > The pilot's failure to maintain airplane control following an encounter with a wind gust.
- [NTSB LAX02LA204](https://openairdocs.org/ntsb/LAX02LA204.md): Beech V35A · Cottonwood, AZ · Accident · No injuries · Limited investigation · Final report · Jun 20, 2002 · N8327N · Substantial damage
  > The loss of engine power as a result of the failure of the #1 lower connecting rod bolt due to fatigue.
- [NTSB LAX02LA171](https://openairdocs.org/ntsb/LAX02LA171.md): Cessna 206 · Mohave Valley, AZ · Accident · No injuries · Limited investigation · Final report · May 22, 2002 · N5050U · Substantial damage
  > the pilot's failure to maintain directional control.
- [NTSB LAX01FA279](https://openairdocs.org/ntsb/LAX01FA279.md): Beech F-33A · Mobile, AZ · Accident · 2 fatal · Field investigation · Final report · Aug 15, 2001 · N3172P · Destroyed
  > The flying pilot's initiation of an intentional maneuver at an altitude inadequate to maintain terrain clearance. Low altitude flight was a contributing factor.
- [NTSB LAX01LA139](https://openairdocs.org/ntsb/LAX01LA139.md): Beech F-33A · Mobile, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 5, 2001 · N5544P · Substantial damage
  > The certified flight instructor's inadequate supervision of the dual student who failed to recognize the extent of the crosswind and lost directional control. A factor in the accident was the variable wind condition.
- [NTSB LAX01LA072](https://openairdocs.org/ntsb/LAX01LA072.md): Beech V35B · Mesa, AZ · Accident · Minor injuries · Limited investigation · Final report · Jan 10, 2001 · N4002A · Substantial damage
  > The pilot's improper fuel management in cruise flight that resulted in a loss of engine power, because of fuel starvation, and a collision with a fence during the subsequent forced landing.
- [NTSB LAX00LA243](https://openairdocs.org/ntsb/LAX00LA243.md): Cessna A185F · Marana, AZ · Accident · No injuries · Limited investigation · Final report · Jun 25, 2000 · N185DE · Substantial damage
  > the pilot's excessive use of wheel brakes during the landing roll resulting in the airplane's nosing over.
- [NTSB LAX00LA164](https://openairdocs.org/ntsb/LAX00LA164.md): Cessna U206G · Parker, AZ · Accident · No injuries · Limited investigation · Final report · Apr 20, 2000 · N7260N · Substantial damage
  > The failure of the pilot to obtain the proper airspeed during landing, which resulted in a hard landing and subsequent porpoise down the runway.
- [NTSB LAX00LA095](https://openairdocs.org/ntsb/LAX00LA095.md): Cessna 210E · Glendale, AZ · Accident · Minor injuries · Limited investigation · Final report · Feb 8, 2000 · N4946U · Substantial damage
  > the pilot's attempt to go-around with inadequate altitude and airspeed available, resulting in a power demand that exceeded the capability of the aircraft. The fully extended gear and flaps were factors in this accident.
- [NTSB LAX00LA074](https://openairdocs.org/ntsb/LAX00LA074.md): Beech F-33A · Mobile, AZ · Accident · No injuries · Limited investigation · Final report · Jan 11, 2000 · N1565A · Substantial damage
  > the manufacturer representative's improper reinstallation of the crankshaft counterweight snap rings which subsequently separated, allowing the crankshaft counterweight to contact the crankshaft resulting in a total power loss of engine power.

Next page: https://openairdocs.org/ntsb.md?engine=17032&state=AZ&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" = 'AZ' 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 ('17032'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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