# NTSB investigations: Amateur-built UNKNOWN ENG, FL

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.

Page 1 of 3 · 147 cases

## Latest cases

- [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 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 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 ERA25LA131](https://openairdocs.org/ntsb/ERA25LA131.md): Mallory Horton AQUA-BEE · Miami, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 25, 2025 · N799RX · Substantial damage
  > The pilot’s failure to lower the landing gear before touchdown.
- [NTSB ERA25LA107](https://openairdocs.org/ntsb/ERA25LA107.md): Aviat Pitts S-2B · Fellsmere, FL · Accident · Class 3 · Limited · Preliminary report · Jan 30, 2025 · N8ZT
  > On 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…
- [NTSB ERA24FA160](https://openairdocs.org/ntsb/ERA24FA160.md): Arthur B Canning Merlin Lite · Mulberry, FL · Accident · 1 fatal · Class 3 · Field · Final report · Apr 2, 2024 · N622PC · Substantial damage
  > The pilot/builder’s modifications of the motorglider’s engine, which resulted in an excessively lean fuel air mixture, preignition, piston failure, and a subsequent total loss of engine power during the initial climb. Contributing to the outcome was the…
- [NTSB ERA24LA144](https://openairdocs.org/ntsb/ERA24LA144.md): Glasair Sportsman 2+2 · Fort Meade, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 14, 2024 · N76TG · Destroyed
  > The pilot’s inadequate inspection of the airplane following an inflight smoke event, which result in separation of the exhaust pipe and hot exhaust igniting the engine cowling, and a subsequent loss of engine power.
- [NTSB ERA24LA043](https://openairdocs.org/ntsb/ERA24LA043.md): Lancair IV · Perry, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 17, 2023 · N37MB · Substantial damage
  > A rapid throttle advancement after a period of idling, which resulted in a flooded engine and total loss of engine power.
- [NTSB ERA23LA365](https://openairdocs.org/ntsb/ERA23LA365.md): Sheehan Kevin A Vans RV-8 · Umatilla, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 5, 2023 · N772KS · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB ERA23LA073](https://openairdocs.org/ntsb/ERA23LA073.md): Childs Michael A Rotorway Exec 162-F · Titusville, FL · Accident · No injuries · Class 3 · Limited · Final report · Nov 27, 2022 · N8006A · Substantial damage
  > A failure of the No. 4 exhaust valve spring retainer, which resulted in a partial loss of engine power.
- [NTSB ERA23LA015](https://openairdocs.org/ntsb/ERA23LA015.md): ST Clair David L Tango 2 · Yulee, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 9, 2022 · N55XT · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard, bounced landing that damaged the nose landing gear, resulting in an inability to maintain directional control and subsequent runway excursion.
- [NTSB ERA22LA420](https://openairdocs.org/ntsb/ERA22LA420.md): Yakovlev YAK-55M · Waldo, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 15, 2022 · N307GS · Substantial damage
  > The pilot’s inadequate preflight fuel planning and preflight inspection of the airplane, which resulted in fuel exhaustion, a total loss of engine power, and the subsequent off-airport landing.
- [NTSB ERA22FA384](https://openairdocs.org/ntsb/ERA22FA384.md): MXR Technologies MX2 · Osteen, FL · Accident · 2 fatal · Class 3 · Field · Final report · Aug 24, 2022 · N263MX · Substantial damage
  > The pilot’s loss of airplane control while performing aerobatic maneuvers, which resulted in the airplane entering an inverted flat spin that continued until the airplane impacted terrain.
- [NTSB ERA22LA165](https://openairdocs.org/ntsb/ERA22LA165.md): Nordquist Richard A Vans RV7 · Polk City, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 17, 2022 · N275PL · Substantial damage
  > A loss of control during landing due to the loose and uneven landing surface.
- [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 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 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 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 ERA19FA183](https://openairdocs.org/ntsb/ERA19FA183.md): Vans Vans RV 4 · Green Cove Springs, FL · Accident · 1 fatal · Class 3 · Field · Final report · May 29, 2019 · N319RL · 2 aircraft · Destroyed
  > The failure of each pilot to maintain separation from the other airplane during intentional maneuvers within close proximity of each other.
- [NTSB ERA19FA020](https://openairdocs.org/ntsb/ERA19FA020.md): Bowers Flybaby · Milton, FL · Accident · 1 fatal · Field investigation · Final report · Oct 19, 2018 · N107KW · Substantial damage
  > A loss of engine power for reasons that could not be determined, and the pilot's subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall at low altitude.
- [NTSB ERA19LA018](https://openairdocs.org/ntsb/ERA19LA018.md): Jabiru 250 · Daytona Beach Shores, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 16, 2018 · N207Y · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA18LA083](https://openairdocs.org/ntsb/ERA18LA083.md): Gregory Newman Sonex Trainer · Carrabelle, FL · Accident · 1 fatal · Limited investigation · Final report · Feb 5, 2018 · N543SX · Substantial damage
  > A loss of engine power for reasons that could not be determined because the airplane was not recovered. Also causal was the pilot's decision to conduct a low-altitude turn following the loss of engine power, which resulted in an exceedance of the airplane's…
- [NTSB ERA17LA340](https://openairdocs.org/ntsb/ERA17LA340.md): Waco UPF 7 · Ocklawaha, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 28, 2017 · N29909 · Substantial damage
  > A failure of both magnetos due to multiple deficiencies, which resulted in a total loss of engine power.
- [NTSB ERA17LA263](https://openairdocs.org/ntsb/ERA17LA263.md): Sikorsky S-97A · Jupiter, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2017 · N971SK · Substantial damage
  > A design change in the helicopter's fly-by-wire control system that resulted in an increase in the sensitivity of the cyclic stick while transitioning from ground to flight mode, magnifying the pilot's control inputs, which resulted in unintentional over…
- [NTSB ERA17LA077](https://openairdocs.org/ntsb/ERA17LA077.md): Beech 76 · Dunnellon, FL · Accident · No injuries · Limited investigation · Final report · Dec 30, 2016 · N6627U · Substantial damage
  > An inadequate 100-hour maintenance inspection that failed to detect and correct loose nuts on a single-drive dual magneto, which led to the subsequent separation of the magneto from the engine during initial climb and the total loss of engine power.
- [NTSB ERA17CA013](https://openairdocs.org/ntsb/ERA17CA013.md): Mickler Larry J RV6 A · Bell, FL · Accident · Serious injuries · Data collection · Final report · Oct 11, 2016 · N686RM · Substantial damage
  > The pilot's inadequate compensation for gusting crosswinds, which resulted in a bounced landing and nose-over.
- [NTSB GAA16LA135](https://openairdocs.org/ntsb/GAA16LA135.md): Pinkston Randy T RV-7 · Tavernier, FL · Accident · No injuries · Limited investigation · Final report · Feb 18, 2016 · N705RP · Substantial damage
  > The pilot's misidentification of a parallel roadway for the runway and the airplane's subsequent collision with numerous objects during landing.
- [NTSB ERA16CA102](https://openairdocs.org/ntsb/ERA16CA102.md): Tucker Mitchel C H 13 · Zephyrhills, FL · Accident · No injuries · Data collection · Final report · Jan 17, 2016 · N9669 · Substantial damage
  > The pilot's failure to maintain aircraft control while on ground standing with the engine running during high crosswind conditions which resulted in a static rollover and collision with the ground.
- [NTSB ERA15FA139](https://openairdocs.org/ntsb/ERA15FA139.md): Adams Donald L DA1 · Sebring, FL · Accident · 1 fatal · Field investigation · Final report · Mar 2, 2015 · N797A · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB ERA14LA309](https://openairdocs.org/ntsb/ERA14LA309.md): Simmons William E Aventura 2 · Rockledge, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 2014 · N700WS · Substantial damage
  > The pilot’s failure to maintain airspeed during a forced landing following a loss of engine power, which resulted in a hard landing. Contributing to the accident was the pilot’s inadequate inspection of the engine, which resulted in a loose ground wire lug on…
- [NTSB ERA14CA189](https://openairdocs.org/ntsb/ERA14CA189.md): Moore Thomas O Zenith Stol CH701 · Frostproof, FL · Accident · No injuries · Data collection · Final report · Apr 8, 2014 · N12369 · Substantial damage
  > The pilot's failure to maintain directional control during a precautionary landing. Contributing to the accident was the pilot's delayed decision to divert due to deteriorating weather.
- [NTSB ERA14LA130](https://openairdocs.org/ntsb/ERA14LA130.md): Victor M Cordero RV-9A · Apopka, FL · Accident · Serious injuries · Limited investigation · Final report · Feb 23, 2014 · N19VC · Substantial damage
  > The failure of the propeller spline shaft, the drive disk adapter, and the propeller speed reduction unit (PSRU) input spline due to a lack of inspection and lubrication, which resulted in a total loss of propeller drive and a subsequent forced landing.…
- [NTSB ERA14LA034](https://openairdocs.org/ntsb/ERA14LA034.md): Teal Harry H Sonerai II Stretch · De Leon Springs, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 2013 · N1927B · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no evidence of preexisting mechanical anomalies or failures that would have precluded normal operation.
- [NTSB ERA13LA254](https://openairdocs.org/ntsb/ERA13LA254.md): Fleming Eldridge E Sonex · Naples, FL · Accident · Serious injuries · Limited investigation · Final report · May 26, 2013 · N634SX · Substantial damage
  > The pilot’s failure to maintain airspeed during a forced landing, which resulted in an aerodynamic stall. Contributing to the accident was a partial loss of the noncertificated engine’s power for reasons that could not be determined because examination of the…
- [NTSB ERA13FA219](https://openairdocs.org/ntsb/ERA13FA219.md): Daniels Dominator · Valkaria, FL · Accident · 1 fatal · Field investigation · Final report · Apr 29, 2013 · N85KY · Substantial damage
  > The pilot’s failure to maintain adequate power and airspeed, which resulted in a loss of control, abrupt descent, and impact with terrain. Contributing to the accident was the pilot’s failure to obtain adequate experience in the gyroplane before making the…
- [NTSB ERA12LA586](https://openairdocs.org/ntsb/ERA12LA586.md): Stewart Mw/Stewart JD Sonerai 2L · Titusville, FL · Accident · No injuries · Limited investigation · Final report · Sep 20, 2012 · N127JS · Substantial damage
  > The pilot's failure to attain the proper landing approach speed and touchdown point, which resulted in a runway excursion after touchdown and collision with a ditch.
- [NTSB ERA12FA326](https://openairdocs.org/ntsb/ERA12FA326.md): Gutierrez Pablino Hummel Bird · DeFuniak Springs, FL · Accident · 1 fatal · Field investigation · Final report · May 9, 2012 · N9001N · Substantial damage
  > The pilot's failure to maintain airplane control due to the airplane’s exceedence of its maximum gross weight and center of gravity’s most rearward limit and his lack of familiarity with the airplane make and model, which resulted in an aerodynamic stall and…
- [NTSB ERA11LA200](https://openairdocs.org/ntsb/ERA11LA200.md): Piper PA-18A 150 · Hollywood, FL · Accident · No injuries · Limited investigation · Final report · Mar 19, 2011 · N9692D · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ERA11CA029](https://openairdocs.org/ntsb/ERA11CA029.md): Squeglia R/Wheeler W Hummel Bird · Hollywood, FL · Accident · No injuries · Data collection · Final report · Oct 18, 2010 · N824RS · Substantial damage
  > The pilot's inadequate flare, which resulted in a hard landing.
- [NTSB ERA10CA352](https://openairdocs.org/ntsb/ERA10CA352.md): Vans RV8 · Port Orange, FL · Accident · No injuries · Data collection · Final report · Jul 10, 2010 · N801RG · Substantial damage
  > The pilot's failure to maintain directional control during the landing rollout.
- [NTSB ERA10LA328](https://openairdocs.org/ntsb/ERA10LA328.md): Parks J L/Dreffin D Seawind 3000 · Sanibel Island, FL · Accident · No injuries · Limited investigation · Final report · Jun 23, 2010 · N79DJ · Substantial damage
  > An overstress failure of the elevator. Contributing to the accident was the owner/builder's modification of the experimental airplane beyond the recommendations of the kit manufacturer.
- [NTSB ERA10LA266](https://openairdocs.org/ntsb/ERA10LA266.md): Aerostar S A YAK-52 · Jensen Beach, FL · Accident · 2 fatal · Limited investigation · Final report · May 15, 2010 · N6868Y · Substantial damage
  > The pilot's decision to perform an aerobatic maneuver at a low altitude, which resulted in insufficient clearance from the water to conduct a recovery. Contributing to the accident was the airplane’s extended landing gear, which resulted in a degradation of…
- [NTSB ERA10LA229](https://openairdocs.org/ntsb/ERA10LA229.md): Dalin Ronald K T-51 Mustang · Lakeland, FL · Accident · No injuries · Limited investigation · Final report · Apr 14, 2010 · N551RD · Substantial damage
  > The builder’s use of inadequate material for the exhaust manifold adapters resulting in heat damage and chafing of the crankshaft synchronizer and timing wires that rendered an inoperative ignition system and loss of engine power.
- [NTSB ERA10LA085](https://openairdocs.org/ntsb/ERA10LA085.md): Tail Feather Sea Rey · Sanibel Island, FL · Accident · Serious injuries · Limited investigation · Final report · Nov 29, 2009 · N969TF · Substantial damage
  > The pilot’s failure to add power during a low-level turn, which resulted in a loss of airspeed and a subsequent stall.
- [NTSB ERA10LA050](https://openairdocs.org/ntsb/ERA10LA050.md): Grumman Aircraft ENG G-111 · Ft Pierce, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 5, 2009 · N120FB · Substantial damage
  > A total loss of left engine power and subsequent failure of the airplane to maintain airspeed and altitude on the remaining engine for undetermined reasons.
- [NTSB ERA09LA477](https://openairdocs.org/ntsb/ERA09LA477.md): Vollenweider R/Hurst R F Vans RV-9A · Marianna, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2009 · N362TS · Substantial damage
  > Failure of the propeller speed reduction gearbox for undetermined reasons. Contributing to the accident was the pilot’s decision to disregard the manufacturer's mandate to replace the gearbox, the manufacturer's failure to provide owners with technical…
- [NTSB ERA09CA361](https://openairdocs.org/ntsb/ERA09CA361.md): Hummelbird Hummelbird · Sunrise, FL · Accident · No injuries · Data collection · Final report · Jun 21, 2009 · N824RS · Substantial damage
  > A partial loss of engine power during cruise flight for an undetermined reason.
- [NTSB ERA09FA283](https://openairdocs.org/ntsb/ERA09FA283.md): Beech K35 · Lantana, FL · Accident · 2 fatal · Field investigation · Final report · May 6, 2009 · N111YR · Substantial damage
  > A total loss of engine power due to disengagement of the idler gear support pin as a result of improper maintenance.
- [NTSB ERA09CA245](https://openairdocs.org/ntsb/ERA09CA245.md): Piper PA-18-150 · Tampa, FL · Accident · Minor injuries · Data collection · Final report · Apr 11, 2009 · N1982P · Substantial damage
  > The pilot's failure to confirm that the landing gear was retracted prior to the attempted water landing.

Next page: https://openairdocs.org/ntsb.md?engine=99999&state=FL&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_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."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
  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&state=FL

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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.
