- Registered owner
- Duo D LLC
- Location
- Salem, VA
- Owner type
- LLC
- Serial number
- 004
- Year built
- 2025
- Type
- Glider
- Engine
- Electric
- Airworthiness
- Experimental, exhibition, racing
- Airworthiness date
- August 12, 2025
- Certificate issued
- July 29, 2025
- Expires
- July 31, 2032
- Mode S code
- A8170B
Schempp-Hirth Flugzeugbau DUO DISCUSTCDS G85EUAirframe · Schempp-Hirth Flugzeugbau DUO DISCUSEngine modelSchemp Hir FES-DUO-M 100
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 7
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2003 | 1 |
|---|---|
| 2004 | 1 |
| 2015 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Information bulletins that may apply · 1
Advisory, not mandatory.
Airframe · Schempp-Hirth Flugzeugbau DUO DISCUS
SAIB CE-08-07DoorsNTSB investigations
No NTSB investigations matched to N620JFMatched 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 Schempp-Hirth Flugzeugbau DUO DISCUS aircraft
FAA incident reports
No FAA accident or incident reports matched to N620JFMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Schempp-Hirth Flugzeugbau DUO DISCUS aircraft
Service difficulty reports
No reports matched to N620JFGeneral 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 Schempp-Hirth Flugzeugbau DUO DISCUS aircraft
Reports on N620JF not matched to an aircraft · 3
They name N620JF, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
SDR 1SWA2016032800103Cowling · crackedWHILE COMPLYING WITH CMP 711016, FOUND RT ENG UPPER COWL LE TO BE CRACKED & TO HAVE LOOSE CARBON FIBER MATERIAL SHOWING. INSPECTED & TAP TEST RT ENG UPPER COWL FOR SUSPECTED UNBONDING, MARKED OUT LINE OF UNBOND AREA. UNBONDING STARTS ABOUT 4 INCHES AFT OF RTSDR 1SWA201401020042Windshield · crackedDURING DESCENT, THE LEFT WINDSHIELD OUTER GLASS PLY CRACKED IN MULTIPLE DIRECTIONS. THE INNER STRUCTURAL PLIES REMAINED IN TACT WITH NO DAMAGE. THE WINDSHIELD WAS DEACTIVATED IN FLIGHT IAW AFM AND QRH REQUIREMENTS. THE ACFT LANDED AT ITS ORIGINALLY INTENDED SDR CVG2008F00002Pump · failedWHILE CLIMBING OUT OF FL390 THE CREW NOTICED A VIBRATION SHORTLY FOLLOWED BY A CYAN L ENG HYD PUMP FAIL EICAS MSG. THE CREW VERIFIED THE PUMP FAILURE ON THE HYDRAULIC SYNOPTIC PAGE. SOON AFTER A L HYD PRESS LOW CAS MSG WAS RECEIVED. THE FLIGHT CREW DECLARED
STCs that may be installed
No STCs matched this aircraft’s modelsSTCs are matched through the model’s type certificate data sheet, and this registry model isn’t matched to one.