# NTSB investigations: Amateur-built UNKNOWN ENG, 2015

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 GAA16CA099](https://openairdocs.org/ntsb/GAA16CA099.md): Davis Michael J MD Special · Wallace, NC · Accident · No injuries · Data collection · Final report · Dec 21, 2015 · N141MD · Substantial damage
  > The pilot's improper fuel planning, which resulted in fuel exhaustion.
- [NTSB ERA16FA064](https://openairdocs.org/ntsb/ERA16FA064.md): Beech A36 · Farmington, PA · Accident · 3 fatal · Field investigation · Final report · Dec 11, 2015 · N72054 · Destroyed
  > The pilot's failure to maintain control of the airplane after a cabin door came open in flight, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was the pilot's misuse of…
- [NTSB WPR16FA036](https://openairdocs.org/ntsb/WPR16FA036.md): Barnett Allen S RV7 · Hurricane, UT · Accident · 2 fatal · Class 3 · Field · Final report · Dec 10, 2015 · N307AB · Substantial damage
  > The pilot’s aerobatic maneuver leading to airspeeds above the airplane’s never exceed speed, which resulted in rudder flutter and an in-flight breakup.
- [NTSB GAA16CA061](https://openairdocs.org/ntsb/GAA16CA061.md): Melvin K Callen Backcountry Supercub · Fort Morgan, CO · Accident · No injuries · Data collection · Final report · Nov 24, 2015 · N842MC · Substantial damage
  > The pilot's excessive braking during the landing roll, which resulted in a nose over.
- [NTSB ERA16LA041](https://openairdocs.org/ntsb/ERA16LA041.md): Woodrow Larry W Sonex · Morganton, NC · Accident · No injuries · Limited investigation · Final report · Nov 15, 2015 · N7035Z · Substantial damage
  > The pilot/owner’s inadequate maintenance inspection following a propeller strike, which resulted in the subsequent in-flight propeller separation due to propagation of fatigue cracks in the crankshaft.
- [NTSB WPR16LA011](https://openairdocs.org/ntsb/WPR16LA011.md): Christopher Tom Kitfox 5 · Battle Ground, WA · Accident · No injuries · Limited investigation · Final report · Oct 14, 2015 · N533RC · Substantial damage
  > The total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no preimpact mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB WPR16FA012](https://openairdocs.org/ntsb/WPR16FA012.md): Bucker Jungmeister BU 133 · Missoula, MT · Accident · 1 fatal · Field investigation · Final report · Oct 14, 2015 · N1940J · Destroyed
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack while executing a return to the runway after takeoff, which resulted in an aerodynamic stall/spin. Contributing to the accident was the pilot’s…
- [NTSB WPR16LA003](https://openairdocs.org/ntsb/WPR16LA003.md): Cessna TU206G · Fall City, WA · Accident · Serious injuries · Limited investigation · Final report · Oct 3, 2015 · N206HL · Substantial damage
  > The airplane’s collision with the ground short of the runway for reasons that could not be determined based on the available evidence.
- [NTSB CEN15LA428](https://openairdocs.org/ntsb/CEN15LA428.md): Sukhoi SU-26 · Slidell, TX · Accident · Serious injuries · Limited investigation · Final report · Sep 28, 2015 · N596TJ · Destroyed
  > The pilot's attempt to recover from an aerobatic maneuver at too low of an altitude to make a safe recovery.
- [NTSB GAA15CA279](https://openairdocs.org/ntsb/GAA15CA279.md): Brunzlick Larry R Seawind 3000 Experim · Pelican Lake, WI · Accident · No injuries · Data collection · Final report · Sep 22, 2015 · N896CB · Substantial damage
  > Abnormal runway contact which precipitated a loss of directional control and impact with water.
- [NTSB ERA15FA353](https://openairdocs.org/ntsb/ERA15FA353.md): Aero Vodochody L39 · Oneida, TN · Accident · 1 fatal · Field investigation · Final report · Sep 12, 2015 · N139RT · Destroyed
  > The pilot's failure to maintain airplane control following a partial loss of engine power during initial climb. The reason for the partial loss of engine power could not be determined due to extensive postimpact damage.
- [NTSB CEN15LA402](https://openairdocs.org/ntsb/CEN15LA402.md): Viking Dragonfly · Freeport, IL · Accident · Serious injuries · Limited investigation · Final report · Sep 8, 2015 · N24TL · Substantial damage
  > The airplane’s degraded climb performance due to its being over its maximum gross weight and a hole in the engine exhaust.
- [NTSB CEN15LA350](https://openairdocs.org/ntsb/CEN15LA350.md): Jal R Dennis Trixy Princess · Midland, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 2015 · N743SS · Substantial damage
  > The pilot's inadequate preflight planning during which he failed to account for the high-density altitude conditions and high gross weight, which degraded the gyroplane's climb performance and resulted in a hard landing.
- [NTSB WPR15LA235](https://openairdocs.org/ntsb/WPR15LA235.md): Cleveland Allan B Nieuport 11# · Bellingham, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2015 · N917AB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or anomalies that would have precluded normal operation.
- [NTSB ERA15LA304](https://openairdocs.org/ntsb/ERA15LA304.md): Board James A Zenith 601 HD · Danville, KY · Accident · No injuries · Limited investigation · Final report · Aug 7, 2015 · N740JB · Substantial damage
  > The pilot's improper adjustment of the propeller blade angle, which resulted in inadequate engine thrust, and his decision to continue the takeoff despite the excessively long takeoff roll.
- [NTSB WPR15LA230](https://openairdocs.org/ntsb/WPR15LA230.md): Grumman G164 - B · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2015 · N48452 · Substantial damage
  > The loss of engine power during an agricultural application flight due to a cylinder failure.
- [NTSB GAA15LA225](https://openairdocs.org/ntsb/GAA15LA225.md): Ultramagic N250 - NO Series · Peoria, AZ · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2015 · N57EX · No damage
  > The pilot's failure to ensure that the passengers remained secure in the basket during deflation after landing, which resulted in a passenger falling out of the basket and sustaining a serious injury when a wind gust caught the envelope and tipped the basket…
- [NTSB ERA15LA291](https://openairdocs.org/ntsb/ERA15LA291.md): Sontonastaso Mosquito · Winchendon, MA · Accident · No injuries · Limited investigation · Final report · Jul 29, 2015 · N285XE · Substantial damage
  > A partial loss of engine power due to a faulty electrical wiring crimp in the engine’s ignition system.
- [NTSB CEN15LA351](https://openairdocs.org/ntsb/CEN15LA351.md): Roberts Bruce W Vans Aircraft RV 9A · Land O' Lakes, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 2015 · N142DD · Substantial damage
  > The pilot’s failure to maintain a proper descent rate, which resulted in a hard landing.
- [NTSB WPR15LA218](https://openairdocs.org/ntsb/WPR15LA218.md): Dafoe Gerald W Tcow Smith CUB · Cascade, ID · Accident · No injuries · Limited investigation · Final report · Jul 14, 2015 · N810GL · Substantial damage
  > A gouge in the right brake master cylinder piston O-ring, which resulted in a loss of brake pressure and reduced effectiveness after landing. Contributing to the accident was the pilot’s decision to operate the airplane with an ongoing brake issue.
- [NTSB GAA15CA180](https://openairdocs.org/ntsb/GAA15CA180.md): Pietenpol AIR Camper · Burlington, WI · Accident · No injuries · Data collection · Final report · Jul 9, 2015 · N29NX · Substantial damage
  > The student pilot's failure to maintain pitch control during the landing touchdown, resulting in a hard landing.
- [NTSB GAA15CA139](https://openairdocs.org/ntsb/GAA15CA139.md): Randall W Grandpre CH-701 Zenith · Quincy, WA · Accident · Minor injuries · Data collection · Final report · Jun 26, 2015 · N70WG · Substantial damage
  > The pilot's inadequate selection of a take-off area, resulting in a collision with obstacles and a loss of directional control.
- [NTSB GAA15CA132](https://openairdocs.org/ntsb/GAA15CA132.md): Ervin Rex H Bear Hawk · Merrill, OR · Accident · Minor injuries · Data collection · Final report · Jun 21, 2015 · N939RE · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a ground loop.
- [NTSB WPR15LA170](https://openairdocs.org/ntsb/WPR15LA170.md): Duenas Pulsar III · Hurricane, UT · Accident · Serious injuries · Limited investigation · Final report · May 29, 2015 · N747N · Substantial damage
  > An elevated oil temperature and subsequent total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN15FA240](https://openairdocs.org/ntsb/CEN15FA240.md): Yakovlev YAK 52 · Syracuse, KS · Accident · 1 fatal · Field investigation · Final report · May 25, 2015 · N124FS · Substantial damage
  > The pilot’s failure to maintain airplane control while maneuvering at low altitude, which resulted in the airplane’s wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall.
- [NTSB GAA15CA093](https://openairdocs.org/ntsb/GAA15CA093.md): Rogers Homer/Rogers Sheila RV 6A · Lorain/Elyria, OH · Accident · No injuries · Data collection · Final report · May 23, 2015 · N3086Q · Substantial damage
  > The pilot's failure to maintain airplane attitude control during the landing flare, which resulted in an aerodynamic stall, hard landing, and runway excursion.
- [NTSB ERA15LA205](https://openairdocs.org/ntsb/ERA15LA205.md): Jerome D Fischer RV-7 · Bartow, GA · Accident · Minor injuries · Limited investigation · Final report · May 5, 2015 · N364SJ · Substantial damage
  > The pilot's use of the improper fuel grade for the engine, which resulted in detonation, engine damage, and loss of engine power.
- [NTSB DCA15CA117](https://openairdocs.org/ntsb/DCA15CA117.md): Titan Aerospace Holdings Solara 50 · Otto, NM · Accident · No injuries · Data collection · Final report · May 1, 2015 · N950TA · Destroyed
  > structural failure of the left wing due to an overspeed condition.
- [NTSB CEN15LA235](https://openairdocs.org/ntsb/CEN15LA235.md): Lathrop Steven A B8M · Ravenna, MI · Accident · Serious injuries · Limited investigation · Final report · May 1, 2015 · N5606X · Destroyed
  > A total loss of engine power due to carburetor icing.
- [NTSB ERA15LA197](https://openairdocs.org/ntsb/ERA15LA197.md): James Kilroy Pitts Model 12 · LaGrange, GA · Accident · Serious injuries · Limited investigation · Final report · Apr 22, 2015 · N488WT · Substantial damage
  > A partial loss of engine power after takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA15LA172](https://openairdocs.org/ntsb/ERA15LA172.md): Merian Richard F RV 8 · Tuscaloosa, AL · Accident · No injuries · Class 3 · Limited · Final report · Mar 29, 2015 · N8JL · 2 aircraft · Substantial damage
  > The RV-8 pilot's failure to maintain adequate clearance from the RV-6 while maneuvering during an air show, which resulted in a midair collision.
- [NTSB WPR15LA131](https://openairdocs.org/ntsb/WPR15LA131.md): Mccurry Charles P F 1 Rocket · Sedona, AZ · Accident · Serious injuries · Limited investigation · Final report · Mar 21, 2015 · N747MC · Substantial damage
  > The partial loss of engine power during final approach for reasons that could not be determined during postaccident examination of the engine.
- [NTSB WPR15LA130](https://openairdocs.org/ntsb/WPR15LA130.md): Vans RV6A · Green Valley, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 21, 2015 · N811KM · Substantial damage
  > The total loss of engine power during initial climb due to the disconnection of both fuel pump power wires.
- [NTSB CEN15CA168](https://openairdocs.org/ntsb/CEN15CA168.md): Jones Ronald C Bearhawk · Walters, OK · Accident · No injuries · Data collection · Final report · Mar 8, 2015 · N299BH · Substantial damage
  > The pilot did not maintain control of the airplane during the landing roll at night on an unlit grass strip.
- [NTSB WPR15FA121](https://openairdocs.org/ntsb/WPR15FA121.md): Ryan Aeronautical ST3KR · Santa Monica, CA · Accident · Serious injuries · Field investigation · Final report · Mar 5, 2015 · N53178 · Substantial damage
  > A total loss of engine power during initial climb when the carburetor main metering jet became unseated, which led to an extremely rich fuel-to-air ratio. Contributing to the accident was the lack of adequate carburetor maintenance instructions. Contributing…
- [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 CEN15CA155](https://openairdocs.org/ntsb/CEN15CA155.md): Gaddis Michael Exec 162 F · Plymouth, IN · Accident · No injuries · Data collection · Final report · Feb 26, 2015 · N123XZ · Substantial damage
  > The failure of the helicopter's main drive belt resulting in the pilot performing a forced landing, during which the helicopter's fuselage was substantially damage.
- [NTSB CEN15FA154](https://openairdocs.org/ntsb/CEN15FA154.md): Rose Thunder Mustang · Helotes, TX · Accident · 1 fatal · Field investigation · Final report · Feb 25, 2015 · N7TR · Destroyed
  > The pilot’s failure to maintain terrain clearance from terrain after initiating an aerobatic maneuver at a low altitude.
- [NTSB WPR15LA104](https://openairdocs.org/ntsb/WPR15LA104.md): Scottish Bulldog - 120 121 · Hayward, CA · Accident · No injuries · Limited investigation · Final report · Feb 15, 2015 · N706BD · Substantial damage
  > A total loss of engine power during the initial climb due to fuel contamination. Contributing to the accident was the pilot’s inadequate preflight inspection of the fuel system.
- [NTSB CEN15LA131](https://openairdocs.org/ntsb/CEN15LA131.md): Bell-Watson 47 G · North Little Rock, AR · Accident · No injuries · Limited investigation · Final report · Jan 29, 2015 · N43762 · Substantial damage
  > The flight instructor’s failure to maintain adequate rotor rpm during the practice touchdown autorotation, which resulted in a subsequent loss of helicopter control and impact with terrain.

## 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") = 2015
  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=2015

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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.