# NTSB investigations: Amateur-built UNKNOWN ENG, 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 CEN21LA092](https://openairdocs.org/ntsb/CEN21LA092.md): Sonex Tailwheel · Burleson, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 19, 2020 · N935EK · Substantial damage
  > A total loss of engine power due to engine seizure. Contributing to the accident was the pilot decision not to orbit the airport, as originally planned.
- [NTSB WPR21LA155](https://openairdocs.org/ntsb/WPR21LA155.md): Aerostar International RX 8 · St. George, UT · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 29, 2020 · N9051Y · No damage
  > The pilot’s failure to maintain control of the balloon and a member of the ground crews entanglement with a tether rope, which resulted in a serious injury when they fell to the ground after the balloon unexpectedly ascended.
- [NTSB WPR21LA071](https://openairdocs.org/ntsb/WPR21LA071.md): Co Z Cozy · Compton, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 17, 2020 · N82V · Substantial damage
  > The partial loss of engine power due to an improperly installed sparkplug.
- [NTSB CEN21LA074](https://openairdocs.org/ntsb/CEN21LA074.md): Zlin Savage Cub-S · Francis, OK · Accident · No injuries · Class 4 · Limited · Final report · Nov 15, 2020 · N9111 · Substantial damage
  > The pilot’s selection of unsuitable terrain for the landing, which resulted in a nose over when the airplane encountered soft sand during the landing roll.
- [NTSB ERA21LA048](https://openairdocs.org/ntsb/ERA21LA048.md): Vans RV4 · Milton, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 14, 2020 · N311SV · Substantial damage
  > The pilot's failure to maintain directional control during a crosswind landing.
- [NTSB CEN21LA053](https://openairdocs.org/ntsb/CEN21LA053.md): Trick Trikes Stss · Holden, MO · Accident · 1 fatal · Class 3 · Limited · Final report · Nov 11, 2020 · N5152E · Destroyed
  > The noncertificated pilot’s failure to maintain aircraft control during takeoff.
- [NTSB ERA21LA027](https://openairdocs.org/ntsb/ERA21LA027.md): Muse Stol CH 750 · Sewanee, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 14, 2020 · N750JD · Substantial damage
  > The airplane’s encounter with a downdraft during the initial climb, which resulted in an impact with trees.
- [NTSB CEN21LA016](https://openairdocs.org/ntsb/CEN21LA016.md): Kitfox Classic 4 · New Carlisle, OH · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 13, 2020 · N47KC · Destroyed
  > The pilot’s failure to maintain pitch control of the airplane during landing, which caused the airplane to nose over during landing roll. Contributing to the accident was the main landing gear modification which increased the airplane’s tendency to nose over…
- [NTSB ERA20LA324](https://openairdocs.org/ntsb/ERA20LA324.md): Vans RV 8 · Hilliard, FL · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 21, 2020 · N800PB · Destroyed
  > A total loss of engine power due to oil starvation.
- [NTSB ERA20CA319](https://openairdocs.org/ntsb/ERA20CA319.md): Rotorway Exec 162F · Kenansville, FL · Accident · No injuries · Class 4 · Data collection · Final report · Sep 10, 2020 · N57AN · Substantial damage
  > The pilot’s failure to maintain control of the helicopter during takeoff.
- [NTSB CEN20LA440](https://openairdocs.org/ntsb/CEN20LA440.md): Swearingen SA227 · San Antonio, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 5, 2020 · N362AE · Substantial damage
  > The pilot’s failure to fly a stabilized approach which resulted in a hard landing and loss of control.
- [NTSB CEN20LA360](https://openairdocs.org/ntsb/CEN20LA360.md): Cessna 180 · St Louis, MO · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 22, 2020 · N7620A · Substantial damage
  > A total loss of engine power due to improper maintenance of the mixture control cable and attachment hardware, which led to a forced landing into a congested area.
- [NTSB WPR20CA293](https://openairdocs.org/ntsb/WPR20CA293.md): Cessna 172 · Phoenix, AZ · Accident · No injuries · Class 4 · Data collection · Final report · Aug 18, 2020 · N103VK · Substantial damage
  > The pilot's improper pitch attitude and landing flare, which resulted in a hard landing. Contributing to the accident was the flight instructors delayed remedial action.
- [NTSB CEN20CA337](https://openairdocs.org/ntsb/CEN20CA337.md): Evektor Aerotechnik L13 · Frankenmuth, MI · Accident · Serious injuries · Class 4 · Data collection · Final report · Aug 16, 2020 · N334BA · Substantial damage
  > The pilot's failure to stow the speed brake prior to attempting takeoff.
- [NTSB CEN20CA311](https://openairdocs.org/ntsb/CEN20CA311.md): Air Tractor AT 401 · Burlington, CO · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 27, 2020 · N9190Q · Substantial damage
  > The pilot’s failure to maintain clearance from guy-wires during low-altitude agricultural operations.
- [NTSB CEN20CA277](https://openairdocs.org/ntsb/CEN20CA277.md): Kitfox Kitfox Sport · Rand, CO · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 12, 2020 · N702KS · Substantial damage
  > The encounter with the downdrafts during the attempted takeoff, which resulted in decreased airplane's climb performance and subsequent impact with terrain.
- [NTSB CEN20LA278](https://openairdocs.org/ntsb/CEN20LA278.md): Grumman G164 · Springfield, CO · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 10, 2020 · N6917K · Destroyed
  > The pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in collision with terrain. Contributing to the accident was the combining of chemicals known to produce foam and the pilot’s failure to…
- [NTSB CEN20LA267](https://openairdocs.org/ntsb/CEN20LA267.md): Titan Tornado · Mankato, KS · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 6, 2020 · N900WH · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on available information.
- [NTSB CEN20LA259](https://openairdocs.org/ntsb/CEN20LA259.md): Sopwith Type 9400 · Van Alstyne, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 3, 2020 · N5539 · Substantial damage
  > An inflight loss of aileron control due to movement of a control connector.
- [NTSB WPR20LA201](https://openairdocs.org/ntsb/WPR20LA201.md): Avia Stroitel AC-5M · Bend, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 30, 2020 · N263R · Destroyed
  > A loss of control just after takeoff for reasons that could not be determined based on the available information.
- [NTSB ANC20CA062](https://openairdocs.org/ntsb/ANC20CA062.md): Cub Crafters CCK-1865 · Juneau, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jun 28, 2020 · N153CC · Substantial damage
  > The pilot's failure to maintain directional control during the landing rollout, which resulted in a ground loop.
- [NTSB WPR20LA177](https://openairdocs.org/ntsb/WPR20LA177.md): Zenair CH601 · Maricopa, AZ · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 10, 2020 · N6402X · Destroyed
  > The pilot’s loss of situational awareness and descent below pattern altitude during the landing approach, which resulted in collision with terrain at night.
- [NTSB WPR20CA142](https://openairdocs.org/ntsb/WPR20CA142.md): N126c CCX-2000 · Heber City, UT · Accident · No injuries · Class 4 · Data collection · Final report · May 8, 2020 · N363EX · Substantial damage
  > The front seat pilot's failure to maintain directional control during the landing roll, and the rear seat pilot's delayed remedial control inputs that subsequently resulted in a ground loop. Contributing to the accident was a lack of communication by both…
- [NTSB ERA20CA152](https://openairdocs.org/ntsb/ERA20CA152.md): Holmgren Bearhawk · Ahoskie, NC · Accident · No injuries · Data collection · Final report · Apr 17, 2020 · N118CR · Substantial damage
  > The collapse of the right main landing gear during a bounced, crosswind landing.
- [NTSB CEN20LA134](https://openairdocs.org/ntsb/CEN20LA134.md): Muse P51D · Mesquite, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Mar 29, 2020 · N151JD · Destroyed
  > The pilot’s inadvertent exceedance of the airplane’s critical angle of attack for undetermined reasons, which resulted in an aerodynamic stall, loss of control, and subsequent impact with terrain.
- [NTSB ERA20CA107](https://openairdocs.org/ntsb/ERA20CA107.md): Orlican L60 · Frederick, MD · Accident · No injuries · Data collection · Final report · Feb 21, 2020 · N71GC · Substantial damage
  > The pilot's failure to maintain airplane control during the approach, which resulted in the airplane ballooning and then veering left upon landing and the right wing impacting the runway.
- [NTSB CEN20CA067](https://openairdocs.org/ntsb/CEN20CA067.md): Glasair 1 · Greenville, TX · Accident · Minor injuries · Data collection · Final report · Jan 26, 2020 · N238SH · Substantial damage
  > The pilot's failure to maintain a proper descent rate, which resulted in a hard landing, and his subsequent loss of airplane control during an attempted go-around.
- [NTSB CEN20CA062](https://openairdocs.org/ntsb/CEN20CA062.md): Beech 76 · St. Charles, MO · Accident · No injuries · Data collection · Final report · Jan 16, 2020 · N6630D · Substantial damage
  > The pilot receiving instruction’s misunderstanding of the flight instructor’s instruction and the pilot's and the instructor’s insufficient use of rudder while adding power to the operating engine, which resulted in the airplane rolling left and the wing…

## 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 ('99999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&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.