# NTSB investigations: Amateur-built UNKNOWN ENG, 2021

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 CEN22LA089](https://openairdocs.org/ntsb/CEN22LA089.md): Lancair IV · Iron Mountain, MI · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 25, 2021 · N994PT · Substantial damage
  > The total loss of engine power after takeoff for undetermined reasons.
- [NTSB WPR22LA066](https://openairdocs.org/ntsb/WPR22LA066.md): Cameron Balloons U S A-315 · Phoenix, AZ · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 20, 2021 · N317RR · No damage
  > The pilot’s inability to maintain balloon control during a high wind landing, which resulted in a serious passenger injury.
- [NTSB ERA22LA081](https://openairdocs.org/ntsb/ERA22LA081.md): Globe GC-1B · Bennettsville, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 4, 2021 · N7824S · Substantial damage
  > The pilot’s inadequate preflight planning, resulting in a takeoff attempt from a grass parking area instead of the runway and subsequent impact with a pole.
- [NTSB CEN22LA071](https://openairdocs.org/ntsb/CEN22LA071.md): Vans RV8 · Wichita Falls, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 4, 2021 · N421RT · Substantial damage
  > The pilot’s improper fuel management that resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN22LA063](https://openairdocs.org/ntsb/CEN22LA063.md): Mcdonnell Douglas Helicopter 369E · St. Louis, MO · Accident · No injuries · Class 4 · Limited · Final report · Dec 2, 2021 · N911PH · Substantial damage
  > The pilot’s failure to apply power during the recovery procedure for the practice autorotation, which resulted in a hard landing.
- [NTSB WPR22FA048](https://openairdocs.org/ntsb/WPR22FA048.md): Zenith Zodiac CH601XL · Temecula, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 23, 2021 · N601KS · Destroyed
  > The failure of the airplane’s canopy latch system, which resulted in the canopy opening in flight and a loss of airplane control. Contributing to the accident was the lack of a secondary canopy latch as recommended by the kit manufacturer.
- [NTSB WPR22LA045](https://openairdocs.org/ntsb/WPR22LA045.md): Elvin Jack R JR Rotorway Exec 162F · Scio, OR · Accident · No injuries · Class 4 · Limited · Final report · Nov 22, 2021 · N102LD · Substantial damage
  > The pilot’s improper maintenance on the tail rotor assembly, which resulted in the loss of control and roll over.
- [NTSB WPR22LA035](https://openairdocs.org/ntsb/WPR22LA035.md): Sonex Waiex B · Laveen Village, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 15, 2021 · N535D · Substantial damage
  > Failure of the rocker swivel assembly due to either wear or corrosion, which resulted in a loss of engine power.
- [NTSB CEN22FA029](https://openairdocs.org/ntsb/CEN22FA029.md): Vans RV · Harrison, MI · Accident · 1 fatal · Class 3 · Field · Final report · Nov 5, 2021 · N16TG · Destroyed
  > The pilot’s failure to maintain adequate airspeed and exceedance of the airplane’s critical angle of attack during landing approach, which resulted in an aerodynamic stall.
- [NTSB ERA22LA018](https://openairdocs.org/ntsb/ERA22LA018.md): Z-Hi-Max 1400 · Benton, PA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 16, 2021 · N668CL · Substantial damage
  > The pilot’s loss of control and encounter with an aerodynamic stall during a planned low-altitude turn toward the airport after takeoff.
- [NTSB WPR22LA019](https://openairdocs.org/ntsb/WPR22LA019.md): Lancair ES · Fall Creek, OR · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2021 · N511ZZ · Substantial damage
  > Total loss of engine power due to fatigue failure of the camshaft gear.
- [NTSB WPR22LA015](https://openairdocs.org/ntsb/WPR22LA015.md): Wsk-Mielec AN-2TD · Wilton, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 14, 2021 · N857PF · Substantial damage
  > The pilot’s inability to control the airplane’s pitch during departure for reasons that could not be determined because of the extensive fragmentation and thermal damage the airplane sustained in the accident sequence.
- [NTSB WPR22LA006](https://openairdocs.org/ntsb/WPR22LA006.md): Bevilacqua Jeffrey L Dragonfly Mkiih · Camarillo, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 10, 2021 · N186JB · Substantial damage
  > The pilot’s failure to maintain airplane control during takeoff
- [NTSB WPR21LA356](https://openairdocs.org/ntsb/WPR21LA356.md): Kitfox S7 · Hooper, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 23, 2021 · N696CP · Substantial damage
  > The pilot’s excessive brake pressure which resulted in the airplane nosing over and coming to rest inverted.
- [NTSB CEN21FA426](https://openairdocs.org/ntsb/CEN21FA426.md): Rans S20 · Wadsworth, OH · Accident · 1 fatal · Class 3 · Field · Final report · Sep 18, 2021 · N6915G · Destroyed
  > The pilot’s decision to depart shortly after a landing helicopter, which resulted in an encounter with the helicopter’s wake turbulence and a loss of airplane control. Contributing to the accident was the pilot’s impairment by his recent use of ethanol.
- [NTSB CEN21LA402](https://openairdocs.org/ntsb/CEN21LA402.md): Murphy Renegade II · Sheridan, IL · Accident · No injuries · Class 3 · Limited · Final report · Sep 5, 2021 · N490DJ · Substantial damage
  > A total loss of engine power during initial climb due to a piston seizure.
- [NTSB CEN21LA395](https://openairdocs.org/ntsb/CEN21LA395.md): Klapp Peter A Klapp KR-2S · Wadsworth, OH · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 3, 2021 · N729PK · Destroyed
  > A loss of airplane control for a reason that could not be determined based on available information.
- [NTSB ERA21LA337](https://openairdocs.org/ntsb/ERA21LA337.md): Vans RV7 · Mount Holly, NJ · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 21, 2021 · N838WT · Substantial damage
  > The pilot’s improper recovery from a bounced landing, resulting in a touchdown on the nose gear first, resulting in damage to the nose gear and a runway excursion.
- [NTSB ERA21LA332](https://openairdocs.org/ntsb/ERA21LA332.md): Rotorway Exec 162 · Lindale, GA · Accident · No injuries · Class 4 · Limited · Final report · Aug 18, 2021 · N162LR · Substantial damage
  > The pilot's improper judgment of the helicopter’s height above ground during the landing flare, which resulted in a hard landing with forward airspeed and subsequent bounce and rollover.
- [NTSB ERA21FA318](https://openairdocs.org/ntsb/ERA21FA318.md): Pitts 12 · Ocklawaha, FL · Accident · 2 fatal · Class 3 · Field · Final report · Aug 9, 2021 · N112JH · Substantial damage
  > The pilot’s failure to maintain airplane control while performing aerobatic maneuvers, which resulted in an inverted flat spin from which he was unable to recover.
- [NTSB ERA21FA317](https://openairdocs.org/ntsb/ERA21FA317.md): Rotorway Exec 162F · Argyle, NY · Accident · 2 fatal · Class 3 · Field · Final report · Aug 7, 2021 · N162KJ · Destroyed
  > The pilot’s abrupt control inputs, which resulted in a low G condition, main rotor mast bumping, and the subsequent severing of the tail boom by a main rotor blade.
- [NTSB CEN21LA336](https://openairdocs.org/ntsb/CEN21LA336.md): Driver RV-7 · Oshkosh, WI · Accident · No injuries · Class 3 · Limited · Final report · Jul 23, 2021 · N977RV · 2 aircraft · Substantial damage
  > The RV-8 pilot’s failure to account for the position of the RV-7 behind him during the landing roll in a staggered landing formation, which resulted in a ground collision of the two airplanes. Contributing to the accident was the self-induced pressure created…
- [NTSB ERA21LA294](https://openairdocs.org/ntsb/ERA21LA294.md): Turbine Cubs Of Wyoming PA-18 Super CUB · Dinwiddie, VA · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2021 · N507TC · Substantial damage
  > The pilot’s failure to maintain control while taxiing on soft ground, which resulted in a nose-over.
- [NTSB WPR21LA276](https://openairdocs.org/ntsb/WPR21LA276.md): Payne Steven R RV-8 · Hillsboro, OR · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N526KP · 2 aircraft · Substantial damage
  > The second pilot’s diverted attention while taxing which, resulted in his failure to maintain clearance from another airplane holding short of the runway.
- [NTSB ANC21LA058](https://openairdocs.org/ntsb/ANC21LA058.md): Maule M-5-210C · Anchorage, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 7, 2021 · N349X · Substantial damage
  > The pilot’s impact with a log while dragging an off-airport landing site.
- [NTSB CEN21LA309](https://openairdocs.org/ntsb/CEN21LA309.md): Titan T-51D · Ashtabula, OH · Accident · No injuries · Class 3 · Limited · Final report · Jul 6, 2021 · N15180 · Substantial damage
  > The tripped engine control computer circuit breaker caused by an excessive electrical load on the system, which resulted in a complete loss of engine power during the initial climb.
- [NTSB CEN21LA250](https://openairdocs.org/ntsb/CEN21LA250.md): Vans RV9 · West Portsmouth, OH · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 4, 2021 · N20YY · Substantial damage
  > The pilot’s improper use of the airplane’s fuel system, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB WPR21LA219](https://openairdocs.org/ntsb/WPR21LA219.md): Stoddard Hamilton Glasair II · Darby, MT · Accident · Serious injuries · Class 3 · Limited · Final report · May 29, 2021 · N8176J · Substantial damage
  > The pilot’s impact with terrain during a go-around following an attempted precautionary landing due to a low oil pressure indication. The reason for the low oil pressure indication could not be determined based on the available information.
- [NTSB ERA21LA236](https://openairdocs.org/ntsb/ERA21LA236.md): Maxson Phil Zodiac CH601XL · Winder, GA · Accident · Minor injuries · Class 4 · Limited · Final report · May 29, 2021 · N601MX · Substantial damage
  > Pilot’s inadequate supervision of the pilot rated passenger’s actions, which led to a high descent rate and collision with obstacles.
- [NTSB WPR21FA210](https://openairdocs.org/ntsb/WPR21FA210.md): Mark Coby Early Bird Jenny · Stoneville, NC · Accident · 1 fatal · Class 3 · Field · Final report · May 27, 2021 · N831HC · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack during the takeoff initial climb, which resulted in an aerodynamic stall and a loss of control.
- [NTSB WPR21LA178](https://openairdocs.org/ntsb/WPR21LA178.md): Diamond Aircraft Ind DA 42 · Brigham City, UT · Accident · No injuries · Class 4 · Limited · Final report · Apr 27, 2021 · N350TS · Substantial damage
  > The student pilot's unintentional selection of raising the landing gear instead of the flaps during a touch-and-go landing, and the flight instructor's delayed remedial action, which resulted in the landing gear retracting during the landing roll.
- [NTSB ERA21LA192](https://openairdocs.org/ntsb/ERA21LA192.md): Meyeres F L/Meyeres M M Skystar Ktfox Clsc 4 · Mountain Rest, SC · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 25, 2021 · N90KF · Substantial damage
  > A partial loss of engine power due to carburetor icing. Contributing to the accident was the engine’s lack of carburetor heat.
- [NTSB WPR21LA165](https://openairdocs.org/ntsb/WPR21LA165.md): Bryan S Happell TANGO2 · Hayden, ID · Accident · No injuries · Class 4 · Limited · Final report · Apr 17, 2021 · N886T · Substantial damage
  > The pilot’s failure to control the pitch attitude of the gyroplane during landing, which resulted in a loss of control, runway excursion and collision with terrain.
- [NTSB ERA21LA167](https://openairdocs.org/ntsb/ERA21LA167.md): Ayres S2R-G6 · Vienna, GA · Accident · No injuries · Class 4 · Limited · Final report · Mar 31, 2021 · N3299X · Destroyed
  > The pilot’s improper decision to attempt a takeoff with a quartering tailwind and his failure to reject the takeoff in a timely manner, which resulted in a runway excursion.
- [NTSB ERA21LA138](https://openairdocs.org/ntsb/ERA21LA138.md): Dassault Mirage F1 B · Panama City, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 25, 2021 · N601AX · Substantial damage
  > Nose landing gear contact with a raised aircraft arresting system during takeoff, which damaged components of the nose wheel steering system and resulted in an uncommanded left turn and loss of directional control.
- [NTSB WPR21LA094](https://openairdocs.org/ntsb/WPR21LA094.md): Randy Wayne Maloney M1 · Eagle Point, OR · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 21, 2021 · N322TR · Destroyed
  > A partial loss of engine power for reasons that could not be determined based on available evidence.

## 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") = 2021
  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=2021

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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.