- Registered owner
- Bohbrink Clark G
- Location
- Brownsburg, IN
- Owner type
- Individual
- Serial number
- 104
- Year built
- 2007
- Type
- Gyroplane
- Engine
- 2 cycle
- Airworthiness
- Experimental, registered before 01/31/08
- Airworthiness date
- December 29, 2007
- Certificate issued
- October 15, 2019
- Expires
- October 31, 2029
- Mode S code
- A9EC93
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 0
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
No ADs matched this aircraft’s modelsADs on appliances, propellers and installed equipment aren’t matched by model; check those separately.
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N739BMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Sport Copter VORTEX aircraft
Investigations on N739B not matched to an aircraft · 2
They name N739B, but no registry record covers the date, the aircraft registered then was built later, or the investigation describes another aircraft.
NTSB LAX90LA137Accident · No injuriesLimited investigationFinal reportBell 47G · La Verne, CAThe helicopter's rotor system being allowed to underspeed as a result of improper use of flight controls by the dual student; improper supervision by the certified flight instructor; and delayed remedial action by the certified flight instructor which allowed…NTSB FTW83FA232Accident · Serious injuriesField investigationFinal reportBell 47G · Zachary, LAThe tail rotor gear box separated from the acft during practice autorotation. The acft began to spin rapidly and nose down. Increasing the power brought the nose up but increased the speed of rotation. The acft hit on one skid still in a rapid spin. The…
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Reports on N739B not matched to an aircraft · 3
They name N739B, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Incident 19900510026779IBell 47G · Hidden Glen, CAEngine lost power. Instructor took control. Autorotated to landing. All usable fuel depeleted.Accident 19900404013889ABell 47G · La Verne, CACollided with runway on practice auto rotation. Reported vibration rotor decay prior impact. No mechanical defects.Accident 19830515019409ABell H13B · Zachary, LATail rotor gear box separated from helicopter. Fatigue failure of the studs that attach tail rotor caused crash.
Service difficulty reports
No reports matched to N739BGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Sport Copter VORTEX aircraft
STCs that may be installed
No STCs matched this aircraft’s modelsSTCs change type-certificated designs, and this aircraft isn’t type certificated.