# NTSB investigations: Amateur-built UNKNOWN ENG

A list on [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 42 · 2,051 investigations

- [NTSB ERA27LA008](https://openairdocs.org/ntsb/ERA27LA008.md): Zielke Ronald W Zenith 750 · Marysville, OH · Accident · Minor injuries · Class 4 · Limited · Investigation open · Oct 14, 2026 · N203RZ · Substantial damage
- [NTSB WPR27FA012](https://openairdocs.org/ntsb/WPR27FA012.md): Gugger David RV-7A · Petaluma, CA · Accident · 2 fatal · Class 3 · Field · Investigation open · Oct 7, 2026 · N425DG
- [NTSB ERA26LA353](https://openairdocs.org/ntsb/ERA26LA353.md): Roberts GS-2 Sportsman · Kerrtown, PA · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 24, 2026 · N390KC · Substantial damage
- [NTSB WPR26LA331](https://openairdocs.org/ntsb/WPR26LA331.md): Filip Richard/Fakowee Avia Indus Thrp T211 SP E · Benson, AZ · Accident · Serious injuries · Class 4 · Limited · Investigation open · Sep 6, 2026 · N211RJ · Substantial damage
- [NTSB ERA26LA311](https://openairdocs.org/ntsb/ERA26LA311.md): HPH Glasflugel 304CZ · Xenia, OH · Accident · No injuries · Class 4 · Limited · Final report · Aug 21, 2026 · N304BS · Substantial damage
  > The glider’s encounter with atmospheric conditions where lift was not sufficient to maintain flight.
- [NTSB ERA26LA303](https://openairdocs.org/ntsb/ERA26LA303.md): Mcfarland Larry C Zenith 601 HDS · Ripley Landing, WV · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Aug 15, 2026 · N601EZ · Substantial damage
  > On August 15, 2026, about 1300 eastern daylight time, an experimental, amateur-built Zenith 601 HDS airplane, N601EZ, was substantially damaged when it was involved in an accident near Ripley Landing, West Virginia. The private pilot was seriously injured.…
- [NTSB CEN26LA294](https://openairdocs.org/ntsb/CEN26LA294.md): Pipistrel Taurus Electro G2.5 · Hempstead, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 15, 2026 · N984TP · Substantial damage
  > The pilot’s failure to properly stow the motor in preparation for approach and landing that resulted in a loss of airspeed and an inadvertent aerodynamic stall and spin.
- [NTSB CEN26LA293](https://openairdocs.org/ntsb/CEN26LA293.md): Gildea William D Jabiru Calypso · Lake Isabella, MI · Accident · No injuries · Class 3 · Limited · Investigation open · Aug 14, 2026 · N495JG
- [NTSB WPR26LA293](https://openairdocs.org/ntsb/WPR26LA293.md): P Z L -Warszawa-Cnpsl PZL-104 Wilga 35A · Ukiah, CA · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 7, 2026 · N113AS · Substantial damage
- [NTSB WPR26LA265](https://openairdocs.org/ntsb/WPR26LA265.md): Vans RV-7A · Covington, WA · Accident · No injuries · Class 4 · Limited · Final report · Jul 17, 2026 · N987CW · Substantial damage
  > The pilot’s improper pitch control during landing, which resulted in a bounced landing, nose landing gear collapse, and nose over.
- [NTSB WPR26LA225](https://openairdocs.org/ntsb/WPR26LA225.md): Ultramagic N-300 · Pahrump, NV · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jun 18, 2026 · N330LV · Substantial damage
  > On June 18, 2026, at 0645 mountain daylight time, an Ultramagic SA N-300 balloon, N330LV, was substantially damaged when it was involved in an accident near Pahrump, Nevada. The pilot and 2 passengers were seriously injured; 7 passengers sustained minor…
- [NTSB ANC26LA049](https://openairdocs.org/ntsb/ANC26LA049.md): William F Schoen RV-7 · Alpine, CO · Accident · Minor injuries · Class 4 · Limited · Investigation open · Jun 10, 2026 · N727BN · Substantial damage
- [NTSB ERA26LA231](https://openairdocs.org/ntsb/ERA26LA231.md): Olson/Williams Sonex · Jaffrey, NH · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jun 5, 2026 · N28YD · Substantial damage
  > On June 5, 2026, at 1100 eastern daylight time, an experimental amateur-built Sonex airplane, N28YD, was substantially damaged when it was involved in an accident near Jaffrey, New Hampshire. The private pilot was seriously injured. The flight was conducted…
- [NTSB ANC26LA045](https://openairdocs.org/ntsb/ANC26LA045.md): Cessna 170B · Bethel, AK · Accident · No injuries · Class 4 · Limited · Investigation open · May 28, 2026 · N2526D · Substantial damage
- [NTSB WPR26LA213](https://openairdocs.org/ntsb/WPR26LA213.md): Moose SR 2500 · Sonoma, CA · Accident · Serious injuries · Class 4 · Limited · Final report · May 27, 2026 · N135DS · Substantial damage
  > The pilot's failure to maintain airspeed during a go-around in shifting wind conditions, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall.
- [NTSB ERA26FA214](https://openairdocs.org/ntsb/ERA26FA214.md): Schleicher ASW-27 · Saratoga Springs, NY · Accident · 1 fatal · Class 3 · Field · Preliminary report · May 26, 2026 · N321ER · 2 aircraft · No damage
  > On May 26, 2026, about 1347 eastern daylight time, a Piper PA-25-235 airplane, N8656L, was substantially damaged when it was involved in an accident near Saratoga Springs, New York. The pilot was fatally injured. The airplane was operated as a Title 14 Code…
- [NTSB CEN26LA191](https://openairdocs.org/ntsb/CEN26LA191.md): Vertical Hummingbird · Lee's Summit, MO · Accident · Minor injuries · Class 3 · Limited · Preliminary report · May 16, 2026 · N284ST · Substantial damage
  > On May 16, 2026, about 0950 central daylight time, a Vertical Aviation Technologies 300L Hummingbird helicopter, N284ST, was substantially damaged when it was involved in an accident near Lee’s Summit, Missouri. One passenger sustained minor injuries. The…
- [NTSB DCA26LA196](https://openairdocs.org/ntsb/DCA26LA196.md): Skydweller S L Solar Impulse SI2 · Gulf of America (Gulf of Mexico) · Accident · No injuries · Class 4 · Limited · Investigation open · May 4, 2026 · N247PF · Destroyed
- [NTSB WPR26LA134](https://openairdocs.org/ntsb/WPR26LA134.md): Zlin Aviation Sro Savage CUB-S · Young, AZ · Accident · No injuries · Class 4 · Limited · Final report · Mar 20, 2026 · N9111 · Substantial damage
  > The pilot’s failure to maintain adequate clearance from trees during landing.
- [NTSB DCA26LA159](https://openairdocs.org/ntsb/DCA26LA159.md): Pyka Pelican Cargo · Summit Point, WV · Accident · No injuries · Class 4 · Limited · Final report · Mar 17, 2026 · N136ZP · Substantial damage
  > The inaccurate obstacle height entered into mission planning that resulted in the aircraft wing’s impact with a tree during descent, resulting resulted in a loss of control.
- [NTSB WPR26LA140](https://openairdocs.org/ntsb/WPR26LA140.md): Lancair Legacy · Hillsboro, OR · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 16, 2026 · N212LG · Substantial damage
  > On March 16, 2026, about 1257 Pacific daylight time, a Lancair Legacy, N212LG, sustained substantial damage when it was involved in an accident near Hillsboro, Oregon. The private pilot was not injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB WPR26LA115](https://openairdocs.org/ntsb/WPR26LA115.md): Mightyfly MF-100 · Atwater, CA · Accident · No injuries · Class 4 · Limited · Final report · Mar 2, 2026 · N258MF · Destroyed
  > A control system anomaly, which resulted in the overload and failure of one of the propulsion motor systems during the transition from hover to forward flight.
- [NTSB ERA26LA133](https://openairdocs.org/ntsb/ERA26LA133.md): Morris Bradley D Zenith Stol CH-701 · Hendersonville, NC · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 1, 2026 · N123XP · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff, which resulted in a runway excursion and impact with trees.
- [NTSB WPR26FA101](https://openairdocs.org/ntsb/WPR26FA101.md): Sonex Onex · Caldwell, ID · Accident · 1 fatal · Class 3 · Field · Preliminary report · Feb 6, 2026 · N362DZ · Destroyed
  > On February 6, 2026, about 0945 mountain standard time, a Sonex Onex airplane, N362DZ, was destroyed when it was involved in an accident near Caldwell, Idaho. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…
- [NTSB ERA26LA094](https://openairdocs.org/ntsb/ERA26LA094.md): Sled Thomas Helicycle · Mobile, AL · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 8, 2026 · N3722T · Substantial damage
  > The pilot’s failure to maintain yaw control during a crosswind approach, which resulted in a loss of tail rotor effectiveness, an uncommanded spin, hard landing, and subsequent rollover.
- [NTSB WPR26LA072](https://openairdocs.org/ntsb/WPR26LA072.md): Zenith 750 · Yacolt, WA · Accident · No injuries · Class 4 · Limited · Final report · Dec 23, 2025 · N186BG · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN26LA060](https://openairdocs.org/ntsb/CEN26LA060.md): Sonerai II · Cresson, TX · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Dec 12, 2025 · N28MD · Substantial damage
  > On December 12, 2025, about 1431 central standard time, a Sonerai II airplane, registration N28MD, was substantially damaged when it was involved in an accident near Cresson, Texas. The pilot was seriously injured. The airplane was operated as a Title 14 Code…
- [NTSB ERA26LA058](https://openairdocs.org/ntsb/ERA26LA058.md): Huebbe Tom MAX TH · Inverness Highlands South, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 26, 2025 · N48TH · Substantial damage
  > The pilot’s failure to maintain directional control on takeoff. Contributing to the accident was the aircraft design that did not incorporate differential braking.
- [NTSB CEN26LA054](https://openairdocs.org/ntsb/CEN26LA054.md): Lou Malinchak Titan T-51D · Bristow, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Nov 26, 2025 · N251LM · Substantial damage
  > The collision with two deer during takeoff which resulted in a loss of control and impact with terrain.
- [NTSB ERA26LA055](https://openairdocs.org/ntsb/ERA26LA055.md): Perry William Lancair IV P · Savannah, GA · Accident · No injuries · Class 3 · Limited · Preliminary report · Nov 14, 2025 · N163BR · Substantial damage
  > On November 13, 2025, at 1949 eastern standard time, an experimental amateur-built Lancair IV-P, N163BR, was substantially damaged when it was involved in an accident near Savannah, Georgia. The pilot and passenger were uninjured. The airplane was operated as…
- [NTSB WPR26LA015](https://openairdocs.org/ntsb/WPR26LA015.md): Cessna 172S · Lathrop, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 4, 2025 · N103VK · Substantial damage
  > An inflight collision with a bird.
- [NTSB CEN25LA405](https://openairdocs.org/ntsb/CEN25LA405.md): Sukhoi SU-26MX · Longmont, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 30, 2025 · N25SU · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB ERA25LA368](https://openairdocs.org/ntsb/ERA25LA368.md): Elmore Travis C Searey · Rotonda West, FL · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 28, 2025 · N2090S · Substantial damage
  > On September 28, 2025, at 1126 eastern daylight time, an experimental, amateur-built Searey, N2090S, was substantially damaged when it was involved in an accident near Stump Pass, Florida. The private pilot sustained minor injuries. The airplane was operated…
- [NTSB WPR25LA280](https://openairdocs.org/ntsb/WPR25LA280.md): Weaver Harmon Rocket · Hayden, ID · Accident · No injuries · Class 4 · Limited · Final report · Sep 17, 2025 · N686X · Substantial damage
  > The pilot’s loss of directional control during landing, which resulted in a runway excursion and collision with terrain.
- [NTSB WPR25LA308](https://openairdocs.org/ntsb/WPR25LA308.md): Thomas Graham Teenie Two · Chehalis, WA · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 11, 2025 · N311TS · Substantial damage
  > The pilot's improper decision to take off with the airplane over its maximum allowable gross weight, which degraded its climb performance and led to a subsequent off airport landing.
- [NTSB CEN25LA390](https://openairdocs.org/ntsb/CEN25LA390.md): Cameron Balloons US Z-90 · Cedar Springs, MI · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 9, 2025 · N418RX · No damage
  > The passenger’s loss of balance during landing that resulted in a serious injury.
- [NTSB GAA25WA258](https://openairdocs.org/ntsb/GAA25WA258.md): Sukhoi SU31 · Lvivuk, Ukraine · Occurrence · No injuries · Class 4 · Foreign · Sep 5, 2025 · N131GT · No damage
- [NTSB WPR25LA271](https://openairdocs.org/ntsb/WPR25LA271.md): Naval Aircraft Factory N3N-3 · Red Lodge, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 31, 2025 · N45254 · Substantial damage
  > The pilot’s failure to maintain clearance from obstacles during an aborted landing. Contributing to the accident was the high density altitude weather condition.
- [NTSB ANC25LA091](https://openairdocs.org/ntsb/ANC25LA091.md): Vu Holdings LLC/DBA Vanilla UN VA 001 · Ninilchik, AK · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 20, 2025 · N246VU · Substantial damage
  > On August 20, 2025, at about 0632 Alaska daylight time, a Platform Aerospace VA 001 Unmanned Aerial System (UAS), N246VU, was substantially damaged when it was involved in an accident on a beachside cliff near Ninilchik, Alaska. The aircraft was unmanned. The…
- [NTSB WPR25LA244](https://openairdocs.org/ntsb/WPR25LA244.md): North American T-28C · West Wendover, NV · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Aug 7, 2025 · N9748Y · Substantial damage
  > On August 07, 2025, at 1532 Pacific daylight time, a North American T-28C, N9748Y, was substantially damaged when it was involved in an accident near West Wendover, Utah. The pilot and the passenger were seriously injured. The airplane was operated as a Title…
- [NTSB CEN25FA261](https://openairdocs.org/ntsb/CEN25FA261.md): Kolb Firestar · Meadow Grove, NE · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 20, 2025 · N55161 · Destroyed
  > On July 19, 2025, about 2050 central daylight time, a Kolb Firestar airplane, N55161, was destroyed when it was involved in an accident near Meadow Grove, Nebraska. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB CEN25LA258](https://openairdocs.org/ntsb/CEN25LA258.md): Zenith Stol CH701 · Blaine, MN · Accident · No injuries · Class 4 · Limited · Final report · Jul 17, 2025 · N237FC · Substantial damage
  > The pilot’s failure to maintain directional control while landing with a crosswind.
- [NTSB WPR25LA201](https://openairdocs.org/ntsb/WPR25LA201.md): Lancair IV · Alpine, WY · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 30, 2025 · N124GH · Substantial damage
  > The pilot’s loss of visual reference during the landing approach which resulted in a collision with water.
- [NTSB CEN25LA209](https://openairdocs.org/ntsb/CEN25LA209.md): Vans RV-14 · Sealy, TX · Accident · No injuries · Class 4 · Limited · Final report · Jun 17, 2025 · N852BJ · Substantial damage
  > The pilot’s improper use of airplane’s wheel brakes during the landing roll-out.
- [NTSB ERA25LA196](https://openairdocs.org/ntsb/ERA25LA196.md): Chris Wallen/Michael Pliske Just Acft Highlander · Brasstown, NC · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 30, 2025 · N788MP · Substantial damage
  > The pilot’s inadvertent application of brake pressure during landing, which resulted in a nose over.
- [NTSB ERA25LA182](https://openairdocs.org/ntsb/ERA25LA182.md): Robb Aventura II · Elmore, AL · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 13, 2025 · N744RA · Substantial damage
  > The pilot’s failure to configure the airplane for a water landing.
- [NTSB WPR25FA127](https://openairdocs.org/ntsb/WPR25FA127.md): Azalea Saberwing · Justin, TX · Accident · 1 fatal · Class 3 · Field · Preliminary report · Apr 12, 2025 · N121DF · Destroyed
  > On April 11, 2025, about 1906 central daylight time (CDT), an experimental amateur-built Azalea Aviation LLC Saberwing, N121DF, was destroyed when it was involved in an accident near Justin, Texas. The pilot was fatally injured. The airplane was operated as a…
- [NTSB ERA25LA181](https://openairdocs.org/ntsb/ERA25LA181.md): Schleicher ASW-19 · Zephyrhills, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 2, 2025 · N37PL · Substantial damage
  > The pilot’s inadequate inflight planning and an encounter with atmospheric conditions where the lift was not sufficient to maintain flight, resulting in an off-airport landing and collision with a fence.
- [NTSB DCA25LA174](https://openairdocs.org/ntsb/DCA25LA174.md): Pyka Pelican · Dixon, CA · Accident · No injuries · Class 4 · Limited · Final report · Mar 28, 2025 · N939NP · Substantial damage
  > The flight control system’s unanticipated transition to takeoff abort mode due to a software error in the autonomous flight control system, which resulted in a premature throttle reduction and hard landing.
- [NTSB WPR25LA112](https://openairdocs.org/ntsb/WPR25LA112.md): Enstrom 280FX · Waterford, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 15, 2025 · N402TA · Destroyed
  > The pilot’s failure to maintain clearance from water while operating at a low altitude.

Next page: https://openairdocs.org/engine/amateur-built-unknown-eng/ntsb.md?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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('99999')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/amateur-built-unknown-eng/ntsb

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