# NTSB investigations: Continental IO-520 series, 2020

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 ERA21LA085](https://openairdocs.org/ntsb/ERA21LA085.md): Cessna 210L · Midway, GA · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 21, 2020 · N2246S · Substantial damage
  > The pilot's intentional visual flight rules flight into instrument meteorological conditions, which resulted in controlled flight into terrain. Contributing to the accident was the pressure to complete the flight to work in an emergency room.
- [NTSB ERA21LA068](https://openairdocs.org/ntsb/ERA21LA068.md): Beech V35A · Attalla, AL · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 12, 2020 · N5470U · Destroyed
  > A loss of control inflight and the failure of a component of the up elevator flight control system due to fatigue, which rendered recovery from a right descending turn improbable.
- [NTSB CEN21LA073](https://openairdocs.org/ntsb/CEN21LA073.md): Bellanca 17-30A · Arden Hills, MN · Accident · No injuries · Class 3 · Limited · Final report · Dec 3, 2020 · N28067 · Substantial damage
  > Incorrect connecting rod installation, which resulted in the failure of the nos. 5 and 6 connecting rods and subsequent total loss of engine power.
- [NTSB ERA21LA053](https://openairdocs.org/ntsb/ERA21LA053.md): Beech V35 · Deltaville, VA · Accident · 1 fatal · Class 3 · Limited · Final report · Nov 24, 2020 · N35AW · Destroyed
  > An uncontrolled descent and impact with terrain following an in-flight collision with seagulls.
- [NTSB WPR21LA030](https://openairdocs.org/ntsb/WPR21LA030.md): Cessna 310 · Las Vegas, NV · Accident · 2 fatal · Class 3 · Limited · Final report · Oct 29, 2020 · N101G · Destroyed
  > The pilot’s failure to maintain the airplane’s minimum controllable airspeed while maneuvering with one engine inoperative. Also causal was the loss of power in the left engine due to oil starvation. Contributing to the accident were inadequate maintenance…
- [NTSB WPR21LA028](https://openairdocs.org/ntsb/WPR21LA028.md): Cessna T210K · Los Alamos, NM · Accident · No injuries · Class 4 · Limited · Final report · Oct 24, 2020 · N8251M · Substantial damage
  > The pilot’s failure to extend the landing gear, which resulted in the airplane landing with the landing gear retracted.
- [NTSB CEN21FA025](https://openairdocs.org/ntsb/CEN21FA025.md): Beech V35 · Slidell, LA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 21, 2020 · N35DC · Destroyed
  > The pilot’s loss of control shortly after departure for reasons that could not be determined based on the available information.
- [NTSB CEN21LA050](https://openairdocs.org/ntsb/CEN21LA050.md): Bellanca 1730 · San Saba, TX · Accident · No injuries · Class 4 · Limited · Final report · Oct 5, 2020 · N7333V · Substantial damage
  > The student pilot’s improper decision-making, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN21FA007](https://openairdocs.org/ntsb/CEN21FA007.md): Beech S35 · Telluride, CO · Accident · 2 fatal · Class 3 · Field · Final report · Oct 5, 2020 · N4444K · Substantial damage
  > The pilot’s loss of control during the climb to cruise flight resulting in the airplane’s impact with terrain. Contributing to the accident was the pilot’s decision to not climb to a higher altitude before proceeding over high terrain.
- [NTSB CEN20LA420](https://openairdocs.org/ntsb/CEN20LA420.md): Beech V35 · Terrell, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 24, 2020 · N3958A · Substantial damage
  > Fuel starvation due to a fuel system leak, which resulted in a loss of engine power and the subsequent forced landing on unsuitable terrain.
- [NTSB WPR20LA295](https://openairdocs.org/ntsb/WPR20LA295.md): Beech 35 · Three Rivers, CA · Accident · 2 fatal · Class 3 · Limited · Final report · Sep 4, 2020 · N818S · Destroyed
  > The pilot’s controlled flight into terrain while operating in conditions of reduced visibility due to smoke.
- [NTSB CEN20CA382](https://openairdocs.org/ntsb/CEN20CA382.md): Cessna A185 · Bellaire, MI · Accident · No injuries · Class 4 · Data collection · Final report · Sep 4, 2020 · N185DK · Substantial damage
  > The pilot's loss of directional control during the landing roll.
- [NTSB CEN20LA372](https://openairdocs.org/ntsb/CEN20LA372.md): Cessna 414 · Ray, MI · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 30, 2020 · N698D · Substantial damage
  > The pilot’s loss of directional control on takeoff.
- [NTSB ANC20CA091](https://openairdocs.org/ntsb/ANC20CA091.md): Cessna A185 · Lime Village, AK · Accident · No injuries · Class 4 · Data collection · Final report · Aug 30, 2020 · N107L · Substantial damage
  > The pilot’s loss of control during the landing flare, which resulted in an impact with trees.
- [NTSB ANC20LA085](https://openairdocs.org/ntsb/ANC20LA085.md): Cessna A185 · Fairbanks, AK · Accident · 2 fatal · Class 3 · Limited · Final report · Aug 27, 2020 · N714KH · 2 aircraft · Destroyed
  > The PA-18 pilot’s failure to see and avoid the Cessna 185 as it was landing. Contributing to the accident was the PA-18 pilot’s failure to hear the traffic advisory provided by the air traffic control tower.
- [NTSB CEN20LA338](https://openairdocs.org/ntsb/CEN20LA338.md): Cessna A185F · Sugar Land, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 15, 2020 · N5418E · Substantial damage
  > A total loss of engine power after takeoff for undetermined reasons, and the pilot’s subsequent exceedance of the airplane’s critical angle of attack during landing, which resulted in an aerodynamic stall.
- [NTSB WPR20CA250](https://openairdocs.org/ntsb/WPR20CA250.md): Cessna A185 · Kalispell, MT · Accident · No injuries · Class 4 · Data collection · Final report · Aug 3, 2020 · N185GK · Substantial damage
  > The pilot's excessive speed while landing on a wet grass runway, which resulted in a runway excursion and impact with a fence.
- [NTSB WPR20CA275](https://openairdocs.org/ntsb/WPR20CA275.md): Cessna A185 · Susanville, CA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 1, 2020 · N60934 · Substantial damage
  > The pilot's failure to maintain directional control during takeoff with a tailwind, which resulted in a subsequent collapse of the right main landing gear.
- [NTSB ERA20LA262](https://openairdocs.org/ntsb/ERA20LA262.md): Beech F33 · Malbis, AL · Accident · 2 fatal · Class 3 · Limited · Final report · Jul 29, 2020 · N3156W · Substantial damage
  > The noninstrument-rated pilot’s decision to depart in deteriorating weather conditions, which led to restricted visibility and the pilot’s loss of airplane control due to spatial disorientation. Contributing to the pilot’s poor decision-making was…
- [NTSB CEN20LA309](https://openairdocs.org/ntsb/CEN20LA309.md): Cessna A188 · Corsica, SD · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 27, 2020 · N53163 · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and loss of control.
- [NTSB CEN20CA331](https://openairdocs.org/ntsb/CEN20CA331.md): Cessna A188 · Hartington, NE · Accident · No injuries · Class 4 · Data collection · Final report · Jul 27, 2020 · N9278G · Substantial damage
  > The pilot's failure to ensure that the engine oil cap was installed before takeoff, which resulted in the oil obscuring the pilot’s view through the windshield and necessitated a forced landing on unsuitable terrain. Contributing to the accident were the…
- [NTSB CEN20LA288](https://openairdocs.org/ntsb/CEN20LA288.md): Beech 36 · Independence, MO · Accident · No injuries · Class 3 · Limited · Final report · Jul 16, 2020 · N630JL · Substantial damage
  > Failure of the No. 5 piston head and ring, which resulted in a total loss of engine power and the pilot’s decision to takeoff with a known mechanical issue.
- [NTSB CEN20CA285](https://openairdocs.org/ntsb/CEN20CA285.md): Cessna A185 · Rochester, IN · Accident · No injuries · Class 4 · Data collection · Final report · Jul 15, 2020 · N2231T · Substantial damage
  > The pilot's failure to maintain directional control during landing resulting in a ground loop.
- [NTSB ANC20CA071](https://openairdocs.org/ntsb/ANC20CA071.md): Cessna A185 · Palmer, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 14, 2020 · N360DC · Substantial damage
  > The pilot's loss of control during landing, which resulted in a ground loop and left main landing gear collapse.
- [NTSB WPR20CA232](https://openairdocs.org/ntsb/WPR20CA232.md): Cessna U206 · Nenana, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 11, 2020 · N756DJ · Substantial damage
  > The pilot's failure to maintain directional control during a soft field takeoff on a dirt airstrip, which resulted in an impact with a vehicle.
- [NTSB WPR20CA213](https://openairdocs.org/ntsb/WPR20CA213.md): Beech 33 · Redmond, OR · Accident · No injuries · Class 4 · Data collection · Final report · Jul 6, 2020 · N727P · Substantial damage
  > The left seated flight instructor’s improper manipulation of the landing gear position selection lever to the up position while still on the landing roll, which ultimately resulted in a landing gear collapse during a subsequent landing.
- [NTSB WPR20CA204](https://openairdocs.org/ntsb/WPR20CA204.md): Cessna A185 · San Diego, CA · Accident · No injuries · Class 4 · Data collection · Final report · Jul 2, 2020 · N3086W · Substantial damage
  > The pilot's failure to maintain airplane control during landing with a crosswind and excessive braking action, which resulted in the airplane nosing over.
- [NTSB ANC20CA061](https://openairdocs.org/ntsb/ANC20CA061.md): Beech A36 · Chignik Lagoon, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jun 17, 2020 · N777AK · Substantial damage
  > The pilot's improper approach, which resulted in a long landing and a runway overrun.
- [NTSB WPR20CA183](https://openairdocs.org/ntsb/WPR20CA183.md): Cessna 310 · Butte, MT · Accident · No injuries · Class 4 · Data collection · Final report · Jun 15, 2020 · N87395 · Substantial damage
  > The pilot's failure to maintain clearance from a fence post during final approach which resulted in a damage to the left main landing gear, and its subsequent collapse during landing.
- [NTSB CEN20CA226](https://openairdocs.org/ntsb/CEN20CA226.md): Bellanca 17 30 · Talihina, OK · Accident · No injuries · Class 4 · Data collection · Final report · Jun 7, 2020 · N6681V · Substantial damage
  > The pilot's failure to maintain control of the airplane during a crosswind landing, which resulted in a hard landing and runway excursion.
- [NTSB ANC20LA046](https://openairdocs.org/ntsb/ANC20LA046.md): Cessna A185 · Nuiqsut, AK · Accident · 1 fatal · Class 3 · Limited · Final report · May 15, 2020 · N5454E · Substantial damage
  > The pilot’s controlled flight into flat snow-covered terrain in weather conditions that were conducive to flat light conditions.
- [NTSB ERA20LA179](https://openairdocs.org/ntsb/ERA20LA179.md): Beech F33 · Land O Lakes, FL · Accident · 1 fatal · Class 3 · Limited · Final report · May 12, 2020 · N711JA · Destroyed
  > The partial loss of engine power due to a contaminated fuel system and the pilot’s improper decision to attempt a takeoff with a known deficiency in engine power.
- [NTSB CEN20CA164](https://openairdocs.org/ntsb/CEN20CA164.md): Cessna A185 · Anoka, MN · Accident · Minor injuries · Class 4 · Data collection · Final report · Apr 30, 2020 · N1669M · Substantial damage
  > The pilot's inadvertent extension of the landing gear and his subsequent water landing with the wheels extended.
- [NTSB ERA20LA122](https://openairdocs.org/ntsb/ERA20LA122.md): Beech V35 · Destin, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 8, 2020 · N581U · Substantial damage
  > The pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN20CA111](https://openairdocs.org/ntsb/CEN20CA111.md): Cessna P206 · Hill City, MN · Accident · Minor injuries · Data collection · Final report · Mar 3, 2020 · N206JF · Substantial damage
  > The pilot's failure to maintain the proper altitude and airspeed during the approach and his delayed addition of power to go around and the flight instructor’s delayed remedial action, which resulted in a nose-over after landing on the closed snow-covered…
- [NTSB ANC20CA027](https://openairdocs.org/ntsb/ANC20CA027.md): Cessna TP206 · Kahului, HI · Accident · No injuries · Data collection · Final report · Feb 13, 2020 · N8649Z · Substantial damage
  > The pilot's improper landing flare in gusting crosswind conditions, which resulted in the airplane porpoising and a subsequent a loss of directional control, runway excursion, and nose-over.
- [NTSB WPR20CA090](https://openairdocs.org/ntsb/WPR20CA090.md): Beech 36 · Avalon, CA · Accident · No injuries · Data collection · Final report · Feb 10, 2020 · N6056Q · Substantial damage
  > The pilot's improper approach and delayed decision to apply corrective action, which resulted in a runway overrun, impact with a berm, and a subsequent nose-over.
- [NTSB CEN20FA076](https://openairdocs.org/ntsb/CEN20FA076.md): Beech 33 · Granbury, TX · Accident · 1 fatal · Class 3 · Field · Final report · Feb 8, 2020 · N6665U · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering in the airport traffic pattern, which resulted in an aerodynamic stall and loss of control.
- [NTSB ERA20LA089](https://openairdocs.org/ntsb/ERA20LA089.md): Beech A36 · Summerland Key, FL · Accident · No injuries · Class 3 · Limited · Final report · Jan 25, 2020 · N41VK · Substantial damage
  > The pilot's failure to remove the flight control gust lock before takeoff, which resulted in an inability to rotate, aborted takeoff, and subsequent runway overrun. Contributing to the accident was a missing piece of the flight control gust lock, which did…

## 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 year(c."eventDate") = 2020
  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&year=2020

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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.