# NTSB investigations: Continental IO-520 series

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 44 of 96 · 4,751 cases

## Cases, newest first

- [NTSB LAX91LA187](https://openairdocs.org/ntsb/LAX91LA187.md): Beech F33A · Goodyear, AZ · Accident · No injuries · Limited investigation · Final report · Apr 29, 1991 · N5585Y · Substantial damage
  > The pilot's failure to ensure that the airplane's landing gear was extended by the passenger who he was allowing fly the airplane. A contributing factor related to the pilot's inadequate supervision of the passenger.
- [NTSB FTW91LA062](https://openairdocs.org/ntsb/FTW91LA062.md): Cessna A188B · Tipton, OK · Accident · No injuries · Limited investigation · Final report · Apr 6, 1991 · N4165J · Substantial damage
  > Failure of the pilot to maintain poroper clearance above obstacles. A factor was the sun glare.
- [NTSB LAX91LA149](https://openairdocs.org/ntsb/LAX91LA149.md): Beech V-35-A · Superior, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 28, 1991 · N9462S · Destroyed
  > Visual flight into instrument meteorological conditions.
- [NTSB ATL91LA071](https://openairdocs.org/ntsb/ATL91LA071.md): Beech F33A · Chamblee, GA · Accident · No injuries · Limited investigation · Final report · Mar 26, 1991 · N7224L · Substantial damage
  > The hole in the airport taxiway, which was created by the erosion of soil beneath the taxiway, and the failure of the airport to inspect and maintain ditches which run beneath the runways and taxiways.
- [NTSB ANC91T#A01](https://openairdocs.org/ntsb/ANC91T%23A01.md): Cessna A185F · Galena, AK · Accident · Minor injuries · Class 3 · Final report · Mar 21, 1991 · N735HB · Substantial damage
- [NTSB FTW91FA049](https://openairdocs.org/ntsb/FTW91FA049.md): Beech 36 · New Braunfels, TX · Accident · 2 fatal · Field investigation · Final report · Mar 16, 1991 · N23535 · Destroyed
  > The pilot's disregard for the minimum descent altitude and failure to perform a missed approach. Factors were the pilot's attempt to fly into known adverse weather conditions, low ceiling, rain, and fog.
- [NTSB DEN91LA050](https://openairdocs.org/ntsb/DEN91LA050.md): Beech V35B · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Mar 10, 1991 · N9038Q · Destroyed
  > The pilot's premature liftoff and inadvertent stall mush. Factors were: downdrafts, high density altitude, and unsuitable terrain.
- [NTSB CHI91DCQ04](https://openairdocs.org/ntsb/CHI91DCQ04.md): Cessna A-188 · Harper, KS · Accident · 1 fatal · Final report · Mar 8, 1991 · N8189V · Substantial damage
  > The pilot inadvertently stalling the airplane.
- [NTSB ANC91IA039](https://openairdocs.org/ntsb/ANC91IA039.md): Cessna U206G · Sparrevohn Afs, AK · Incident · No injuries · Incident investigation · Final report · Mar 8, 1991 · N756XE · Minor damage
  > The loss of engine power due to the ice in the fuel strainer/gascalator. Contributing was: the inadequate preflight preparation by the pilot, and unsuitable terrain on which to make the forced landing.
- [NTSB LAX91LA114](https://openairdocs.org/ntsb/LAX91LA114.md): Bellanca 17-30A · Coalinga, CA · Accident · No injuries · Limited investigation · Final report · Feb 26, 1991 · N8290R · Substantial damage
  > Fuel starvation and the improper use of the fuel selector by the pilot. The rough terrain on which the aircraft landed was a factor in the accident.
- [NTSB DEN91FA037](https://openairdocs.org/ntsb/DEN91FA037.md): Bellanca 17-30A · Olton, TX · Accident · 1 fatal · Field investigation · Final report · Jan 26, 1991 · N4035B · Destroyed
  > The pilot exceeded the design stress limits of the airframe and the performance of aerobatics at an altitude insufficient for recovery.
- [NTSB NYC91LA062](https://openairdocs.org/ntsb/NYC91LA062.md): Cessna P206 · Cleveland, OH · Accident · Minor injuries · Limited investigation · Final report · Jan 23, 1991 · N4626F · Substantial damage
  > Fatigue failure of the number two propeller blade actuating pin, due to improper installation of the pins and non-compliance with an airworthiness directive (AD 77-13-77).
- [NTSB SEA91LA041](https://openairdocs.org/ntsb/SEA91LA041.md): Aero Commander 200D · Tooele, UT · Accident · Minor injuries · Limited investigation · Final report · Jan 13, 1991 · N235M · Destroyed
  > Engine fuel system blockage due to ice formation in the fuel system during a period of weather temperature extremes. A factor was the lack of suitable terrain for a forced landing.
- [NTSB MIA91WA062](https://openairdocs.org/ntsb/MIA91WA062.md): Beech 58 · St. Maarten I., NT · Accident · 2 fatal · Foreign investigation · Jan 7, 1991 · N100GT · Destroyed
- [NTSB MIA91IA061](https://openairdocs.org/ntsb/MIA91IA061.md): Cessna 210M · Lutz, FL · Incident · No injuries · Incident investigation · Final report · Jan 5, 1991 · N823AR · Minor damage
  > Fuel line chafing, and in-flight fire caused by shorting of the electrical system which resulted in a forced landing with the landing gear not extended.
- [NTSB NYC91LA043](https://openairdocs.org/ntsb/NYC91LA043.md): Cessna 210L · New Haven, CT · Accident · Minor injuries · Limited investigation · Final report · Dec 6, 1990 · N5280V · Destroyed
  > The failure of the vehicle driver to adequately monitor the radio/traffic pattern. Factors related to the accident were: darkness, the aircraft's loss of electrical power after activating the runway lights and entering the pattern, and the lack of visual…
- [NTSB LAX91LA035](https://openairdocs.org/ntsb/LAX91LA035.md): Cessna 210M · Fallbrook, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 20, 1990 · N9139M · Destroyed
  > The failure of the number 5 cylinder piston connecting rod due to bending and subsequent fatigue fracture. Contributing to the accident was the improper starting procedure accomplished by an unidentified person which resulted in excessive fuel in the cylinder…
- [NTSB NYC91LA021](https://openairdocs.org/ntsb/NYC91LA021.md): Mcdonnell Douglas DC-9-31 · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Oct 29, 1990 · N972VJ · 2 aircraft · Minor damage
  > Failure by pilots of the other aircraft to see and alter taxi path to avoid the standing aircraft.
- [NTSB NYC91FA005](https://openairdocs.org/ntsb/NYC91FA005.md): Beech V35B · Ottawa, OH · Accident · 4 fatal · Field investigation · Final report · Oct 8, 1990 · N409E · Destroyed
  > Failure of the pilot to follow the proper instrument procedure and maintain the minimum descent altitude (mda) during an approach to the airport at night in instrument meteorological conditions.
- [NTSB SEA91LA001](https://openairdocs.org/ntsb/SEA91LA001.md): Cessna T210K · Everett, WA · Accident · Serious injuries · Limited investigation · Final report · Oct 2, 1990 · N8281M · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB MIA90LA185](https://openairdocs.org/ntsb/MIA90LA185.md): Cessna A188B · Vicksburg, MS · Accident · No injuries · Limited investigation · Final report · Sep 21, 1990 · N86405 · Substantial damage
  > Failure of the pilot to avoid a mud hole on the runway during the ground roll to takeoff.
- [NTSB ANC90LA181](https://openairdocs.org/ntsb/ANC90LA181.md): Cessna U206 · Egegik, AK · Accident · No injuries · Limited investigation · Final report · Sep 21, 1990 · N33181 · Substantial damage
  > The improper use of elevator controls by the pilot.
- [NTSB ATL90LA173](https://openairdocs.org/ntsb/ATL90LA173.md): Cessna A188B · Hertsboro, AL · Accident · No injuries · Limited investigation · Final report · Sep 20, 1990 · N8677G · Substantial damage
  > Fatigue failure of the propeller blade which resulted from improper overhaul procedures, and the absence of oil in the propeller hub which would allow the detection of blade cracks.
- [NTSB ANC90LA180](https://openairdocs.org/ntsb/ANC90LA180.md): Cessna 185 · Upper Colleen, AK · Accident · No injuries · Limited investigation · Final report · Sep 18, 1990 · N70087 · Substantial damage
  > The pilot-in-command's failure to select suitable terrain for landing. Contributing to the accident was the rough and uneven terrain.
- [NTSB ANC90LA175](https://openairdocs.org/ntsb/ANC90LA175.md): Cessna 206 · Puntilla Lake, AK · Accident · No injuries · Limited investigation · Final report · Sep 16, 1990 · N756JC · Substantial damage
  > An inadequate preflight.
- [NTSB ANC90LA172](https://openairdocs.org/ntsb/ANC90LA172.md): Cessna 185 · Talkeetna, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 13, 1990 · N4861Q · Substantial damage
  > Failure of the pilot to obtain or maintain adequate airspeed which resulted in a stall or mush.
- [NTSB SEA90LA181](https://openairdocs.org/ntsb/SEA90LA181.md): Cessna U206 · Lewistown, MT · Accident · No injuries · Limited investigation · Final report · Sep 6, 1990 · N2107F · Substantial damage
  > The pilot did not maintain an adequate lookout while maneuvering which resulted in a collision with a transmission wire.
- [NTSB MIA90WA178](https://openairdocs.org/ntsb/MIA90WA178.md): Beech 58 · Union Island, St. Vincent & Grenadines · Accident · No injuries · Foreign investigation · Sep 6, 1990 · N1896W · Substantial damage
- [NTSB ANC90FA158](https://openairdocs.org/ntsb/ANC90FA158.md): Cessna 414 · Sitka, AK · Accident · 2 fatal · Field investigation · Final report · Aug 28, 1990 · N8180K · Destroyed
  > Improper planning/decision by the pilot, and his failure to follow IFR procedures and maintain clearance from mountainous terrain.
- [NTSB DEN90DTE05](https://openairdocs.org/ntsb/DEN90DTE05.md): Cessna 188B · Eckley, CO · Accident · No injuries · Final report · Aug 20, 1990 · N4933Q · Substantial damage
  > A failure on the part of the pilot in command to maintain adequate terrain clearance.
- [NTSB SEA90FA163](https://openairdocs.org/ntsb/SEA90FA163.md): Cessna A185F · Wrangell, AK · Accident · 1 fatal · Field investigation · Final report · Aug 12, 1990 · N5317R · Destroyed
  > The pilot did not maintain an adequate airspeed. The pilot's lack of recent experience in the Cessna 185 was a contributing factor.
- [NTSB ANC90LA136](https://openairdocs.org/ntsb/ANC90LA136.md): Cessna 185 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Aug 8, 1990 · N5246E · Substantial damage
  > Failure of the right main landing gear spring upon landing.
- [NTSB FTW90DRD15](https://openairdocs.org/ntsb/FTW90DRD15.md): Cessna 188 · Archibald, LA · Accident · No injuries · Final report · Aug 3, 1990 · N70114 · Substantial damage
  > The power loss for undetermined reasons. A factor was the rough uneven terrain in which the forced landing was performed.
- [NTSB NYC90LA160](https://openairdocs.org/ntsb/NYC90LA160.md): Cessna U206F · Augusta, ME · Accident · 1 fatal · Limited investigation · Final report · Jul 14, 1990 · N8514Q · Substantial damage
  > Improper planning/decision by the pilot, and his failure to compensate for wind conditions. The unfavorable wind conditions and rough water were related factors.
- [NTSB LAX90LA257](https://openairdocs.org/ntsb/LAX90LA257.md): Cessna A185F · Discovery Bay, CA · Accident · No injuries · Limited investigation · Final report · Jul 14, 1990 · N888BL · Substantial damage
  > The pilot's improper visual lookout to assure the area was clear of boats before departing.
- [NTSB NYC90LA183](https://openairdocs.org/ntsb/NYC90LA183.md): Cessna 310R · Mansfield, OH · Accident · No injuries · Limited investigation · Final report · Jul 11, 1990 · N3463G · Substantial damage
  > An unavoidable collision with a deer while taking off which bent the drag brace and prevented it from locking. Factors related to the accident were the night conditions which reduced the pilots visibility to the illuminated area of the landing lights.
- [NTSB DEN90LA156](https://openairdocs.org/ntsb/DEN90LA156.md): Cessna 188 · Michigan, ND · Accident · No injuries · Limited investigation · Final report · Jul 11, 1990 · N4940R · Substantial damage
  > The failure of the pilot to maintain proper alignment during landing.
- [NTSB LAX90LA249](https://openairdocs.org/ntsb/LAX90LA249.md): Beech V35B · Big Bear, CA · Accident · No injuries · Limited investigation · Final report · Jul 9, 1990 · N4796M · Substantial damage
  > The fuel starvation due to the pilot's inadvertent selection of an empty fuel tank.
- [NTSB CHI90LA168](https://openairdocs.org/ntsb/CHI90LA168.md): Beech V35B · Lockport, IL · Accident · No injuries · Limited investigation · Final report · Jul 5, 1990 · N35TP · Substantial damage
  > The pilot's failure to maintain aircraft directional control and keep the aircraft on the runway during the landing roll.
- [NTSB LAX90LA243](https://openairdocs.org/ntsb/LAX90LA243.md): Beech 95-C55 · Fullerton, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1990 · N5852J · Substantial damage
  > The pilot's failure to detect an incorrect rudder trim adjustment, his failure to follow the prescribed pre-takeoff instructions that call for the trim to be adjusted. The collision with the fence and the incorrect rudder trim adjustment were factors in the…
- [NTSB ANC90LA108](https://openairdocs.org/ntsb/ANC90LA108.md): Cessna 185 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Jul 2, 1990 · N53046 · Substantial damage
  > Total loss of engine power caused by the failure of the piston rod assemblies.
- [NTSB ANC90FA105](https://openairdocs.org/ntsb/ANC90FA105.md): Cessna 185 · Iliamna, AK · Accident · 2 fatal · Field investigation · Final report · Jul 2, 1990 · N185KA · Substantial damage
  > The pilot's failure to follow proper procedures and directives (excessive flaps); failure to operate the airplane within the allowable gross weight limitations; improper compensation for wind conditions and failure to maintain minimum safe flying speed,…
- [NTSB LAX90FA233](https://openairdocs.org/ntsb/LAX90FA233.md): Bellanca 17-30A · Ojai, CA · Accident · Minor injuries · Field investigation · Final report · Jun 28, 1990 · N39843 · 2 aircraft · Substantial damage
  > Structural damage sustained by the Bellanca, N39843, as a result of encountering wake turbulence during a near-collision with a navy F-14A.
- [NTSB MKC90LA137](https://openairdocs.org/ntsb/MKC90LA137.md): Cessna 180 · Goddard, KS · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1990 · N1655C · Substantial damage
  > Fuel starvation due to a loose fuel strainer screen. A factor related to this accident was lack of suitable terrain for a forced landing.
- [NTSB FTW90FA125](https://openairdocs.org/ntsb/FTW90FA125.md): Bellanca 17-30A · Dallas, TX · Accident · 2 fatal · Field investigation · Final report · Jun 26, 1990 · N6608V · Destroyed
  > The initial partial loss of engine power, followed by the total loss of engine power and the striking of a hidden set of transmission wires.
- [NTSB CHI90LA163](https://openairdocs.org/ntsb/CHI90LA163.md): Cessna U206 · Savoy, IL · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1990 · N35703 · Destroyed
  > The loss of engine power for undetermined reasons and the inadvertent stall during the forced landing.
- [NTSB MIA90IA144](https://openairdocs.org/ntsb/MIA90IA144.md): Cessna 210L · Fort Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Jun 25, 1990 · N732BL · Minor damage
  > Incorrect placement of the retaining ring in the left main landing gear door actuator by the mechanic resulting in the loss of hydraulic fluid. This prevented the gear from extending resulting in the gear up landing.
- [NTSB FTW90LA123](https://openairdocs.org/ntsb/FTW90LA123.md): Cessna 207 · Mc Allen, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 1990 · N1568U · Substantial damage
  > Loss of engine power for undetermined reasons. The concrete canal that he impacted was a factor.
- [NTSB LAX90LA225](https://openairdocs.org/ntsb/LAX90LA225.md): Bellanca BL26 · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Jun 20, 1990 · N4034B · Substantial damage
  > The pilot's use of an improper starting technique.
- [NTSB ANC90LA091](https://openairdocs.org/ntsb/ANC90LA091.md): Cessna 185 · Chandler, AK · Accident · No injuries · Limited investigation · Final report · Jun 17, 1990 · N2797J · Substantial damage
  > The pilot-in-command's failure to maintain control of the airplane.

Next page: https://openairdocs.org/ntsb.md?engine=17032&page=45

## 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17032&page=44

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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.
