Ongoing NTSB investigations: Amateur-built UNKNOWN ENG

25 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20242026
Ongoing NTSB investigations: Amateur-built UNKNOWN ENG per year, 2024–2026: 25 cases
20241
20258
202616

Latest cases

Query with SQL
duckdb -csv -c "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.\"completionStatus\" = 'Ongoing'
    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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB ERA27LA008Accident · Minor injuriesClass 4 · LimitedInvestigation openZielke Ronald W Zenith 750 · Marysville, OHOct 14, 2026 · N203RZ · Substantial damageNTSB WPR27FA012Accident · 2 fatalClass 3 · FieldInvestigation openGugger David RV-7A · Petaluma, CAOct 7, 2026 · N425DGNTSB ERA26LA353Accident · No injuriesClass 4 · LimitedInvestigation openRoberts GS-2 Sportsman · Kerrtown, PASep 24, 2026 · N390KC · Substantial damageNTSB WPR26LA331Accident · Serious injuriesClass 4 · LimitedInvestigation openFilip Richard/Fakowee Avia Indus Thrp T211 SP E · Benson, AZSep 6, 2026 · N211RJ · Substantial damageNTSB ERA26LA303Accident · Serious injuriesClass 3 · LimitedPreliminary reportMcfarland Larry C Zenith 601 HDS · Ripley Landing, WVOn 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.…Aug 15, 2026 · N601EZ · Substantial damageNTSB CEN26LA293Accident · No injuriesClass 3 · LimitedInvestigation openGildea William D Jabiru Calypso · Lake Isabella, MIAug 14, 2026 · N495JGNTSB WPR26LA293Accident · No injuriesClass 4 · LimitedInvestigation openP Z L -Warszawa-Cnpsl PZL-104 Wilga 35A · Ukiah, CAAug 7, 2026 · N113AS · Substantial damageNTSB WPR26LA225Accident · Serious injuriesClass 3 · LimitedPreliminary reportUltramagic N-300 · Pahrump, NVOn 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…Jun 18, 2026 · N330LV · Substantial damageNTSB ANC26LA049Accident · Minor injuriesClass 4 · LimitedInvestigation openWilliam F Schoen RV-7 · Alpine, COJun 10, 2026 · N727BN · Substantial damageNTSB ERA26LA231Accident · Serious injuriesClass 3 · LimitedPreliminary reportOlson/Williams Sonex · Jaffrey, NHOn 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…Jun 5, 2026 · N28YD · Substantial damageNTSB ANC26LA045Accident · No injuriesClass 4 · LimitedInvestigation openCessna 170B · Bethel, AKMay 28, 2026 · N2526D · Substantial damageNTSB ERA26FA214Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-25-235 · Saratoga Springs, NYOn 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…May 26, 2026 · N8656L · 2 aircraft · Substantial damageNTSB CEN26LA191Accident · Minor injuriesClass 3 · LimitedPreliminary reportVertical Hummingbird · Lee's Summit, MOOn 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…May 16, 2026 · N284ST · Substantial damageNTSB DCA26LA196Accident · No injuriesClass 4 · LimitedInvestigation openSkydweller S L Solar Impulse SI2 · Gulf of America (Gulf of Mexico)May 4, 2026 · N247PF · DestroyedNTSB WPR26LA140Accident · No injuriesClass 3 · LimitedPreliminary reportLancair Legacy · Hillsboro, OROn 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…Mar 16, 2026 · N212LG · Substantial damageNTSB WPR26FA101Accident · 1 fatalClass 3 · FieldPreliminary reportSonex Onex · Caldwell, IDOn 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…Feb 6, 2026 · N362DZ · DestroyedNTSB CEN26LA060Accident · Serious injuriesClass 3 · LimitedPreliminary reportSonerai II · Cresson, TXOn 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…Dec 12, 2025 · N28MD · Substantial damageNTSB ERA26LA055Accident · No injuriesClass 3 · LimitedPreliminary reportPerry William Lancair IV P · Savannah, GAOn 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…Nov 14, 2025 · N163BR · Substantial damageNTSB ERA25LA368Accident · No injuriesClass 3 · LimitedPreliminary reportElmore Travis C Searey · Rotonda West, FLOn 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…Sep 28, 2025 · N2090S · Substantial damageNTSB ANC25LA091Accident · No injuriesClass 3 · LimitedPreliminary reportVu Holdings LLC/DBA Vanilla UN VA 001 · Ninilchik, AKOn 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…Aug 20, 2025 · N246VU · Substantial damageNTSB WPR25LA244Accident · Serious injuriesClass 3 · LimitedPreliminary reportNorth American T-28C · West Wendover, NVOn 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…Aug 7, 2025 · N9748Y · Substantial damageNTSB CEN25FA261Accident · 1 fatalClass 3 · FieldPreliminary reportKolb Firestar · Meadow Grove, NEOn 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…Jul 20, 2025 · N55161 · DestroyedNTSB WPR25FA127Accident · 1 fatalClass 3 · FieldPreliminary reportAzalea Saberwing · Justin, TXOn 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…Apr 12, 2025 · N121DF · DestroyedNTSB ERA25LA107AccidentClass 3 · LimitedPreliminary reportAviat Pitts S-2B · Fellsmere, FLOn January 30, 2025, at 1034 eastern standard time, an Aviat Inc Pitts S-2B, N8ZT, was substantially damaged when it was involved in an accident near Fellsmere, Florida. The private pilot was seriously injured. The airplane was operated as a Title 14 Code of…Jan 30, 2025 · N8ZTNTSB ERA25FA065Accident · 1 fatalClass 3 · FieldPreliminary reportTruitt James B Vans RV-8A · Fort Blackmore, VAOn December 4, 2024, about 1451 eastern standard time, an experimental amateur-built Vans RV-8A, N627TT, was substantially damaged when it was involved in an accident near Fort Blackmore, Virginia. The commercial pilot was fatally injured. The airplane was…Dec 4, 2024 · N627TT · Substantial damage