- Registered owner
- Copper Mountain Ranch Aviation LLC
- Location
- Hill City, SD
- Owner type
- LLC
- Serial number
- 7191
- Year built
- 2007
- Type
- Fixed wing single engine
- Engine
- 4 cycle
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- February 21, 2007
- Certificate issued
- April 9, 2022
- Expires
- April 30, 2029
- Mode S code
- A6B475
- Kit
- Glasair Aviation LLC GS-2 SPORTSMAN
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming IO-390 model are included below.
On this page
Airworthiness directives that may apply · 4
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2009 | 1 |
|---|---|
| 2012 | 2 |
| 2024 | 1 |
| 2026 | 1 |
Superseded and historical ADs · 1
Information bulletins that may apply · 2
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N531DFMatched 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 Forsland Kent GS-2 SPORTSMAN aircraft
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 N531DF not matched to an aircraft · 1
They name N531DF, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Service difficulty reports
No reports matched to N531DFGeneral 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 Forsland Kent GS-2 SPORTSMAN aircraft
STCs that may be installed · 6
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Lycoming IO-390 series
STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE03232CHInstallation of Engine Preheat Kit p/n TA2925-1 for 115 volt applicationSTC SE04577CHInstall an electronic engine ignition systemSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines