Amateur-built HPL 1 HIGH WING PARA accident near Mt. Orab, Ohio, August 4, 2016
On August 4, 2016 at about 11:45 am local time, a 2001 amateur-built HPL 1 HIGH WING PARA, registered N9095U, was substantially damaged in an accident during maneuvering near Mt. Orab, Ohio. It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
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The NTSB's probable cause their words, unchanged
A partial loss of engine power due to a missing throttle cable fastener.
Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 4, 2016 · about 11:45 am local time
- Place
- Mt. Orab, Ohio · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built HPL 1 HIGH WING PARA NO SERIES, built 2001
- Registration
- N9095U · registry record · serial HPL-1
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The private pilot was conducting a local personal flight. About 15 minutes into the flight, the engine power suddenly decreased to idle, and the pilot conducted a forced landing to a field. The airplane impacted a small stand of trees before coming to rest, resulting in substantial damage to the left wing and right wing strut. Examination of the engine revealed that the engine-to-carburetor throttle cable was disconnected. No impact damage was found in the area of the throttle cable disconnect. It is likely that the fastener that connected the throttle cable to the carburetor loosened and fell out during the flight, causing the engine to go to the idle power setting. The fastener was not found, and maintenance logbooks or records were not recovered.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Loss of engine power (partial) during maneuvering defining event
- Collision with terrain or object (not controlled flight into terrain) during landing
The NTSB's findings
- cause Aircraft › Fluids/misc hardware › Misc hardware › Fasteners › Not specified
- cause Aircraft › Aircraft power plant › Engine (reciprocating) › (general) › Not specified
- factor Environmental issues › Physical environment › Terrain › Rough terrain › Contributed to outcome
Pilot
- Certificate: private
- Ratings: single-engine land
- Flight time: 220 hours in all; 60 in this make and model
- Medical certificate: Class 3 (with waivers/limitations)
- Seat: sngl
- Injury: no injuries
The aircraft
- Airframe total time: 400 hours
- Last inspection: continuous airworthiness programme, May 1, 2016
- Seats: 1
- Landing gear: fixed
- Engine: Continental A-65 (piston); 0 hours total
The flight
- Departed from: GEO Georgetown OH at 12:30 pm
- Destination: GEO Georgetown OH
- Flight plan: none
Weather at the time
- Light: daylight
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 95°F (35°C), dew point 86°F (30°C)
- Altimeter: 29.92 inHg
- Observation at 7:30 am
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
About this page
Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number CEN16LA313.