The U.S. aircraft register, updated daily
Models · Schempp-Hirth · Gliders · data as of November 9, 2026

Schempp-Hirth DUO DISCUS

29 on the U.S. register. Built from 1996 to 2025; half of them date from 2003 or earlier. Virginia has the most (3). 52% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time. 2 carry the FAA's electric code.

Schempp-Hirth DUO DISCUS: German two-seat glider, 1993
Photo: Dhaluza at English Wikipedia, CC BY-SA 2.5, via Wikimedia Commons · Schempp-Hirth Duo Discus on Wikipedia

About the DUO DISCUS from the FAA's model table

Type
Glider · Gliders
Power
None
Common engines
None None (20), Schemp Hir Fes-Duo-M 100 (2), Ama/Expr Unknown Eng (2)
Fuel
Electricity
Seats
1
Built of
composite · A glass-fibre glider.
Maker on the register
Schempp-Hirth
Registered
earliest certificate July 21, 1999; newest May 12, 2026

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
DUO DISCUS291996 to 2025100.0%

When they were built by decade · 6 with no year on file

By decade built, as a table
aircraft
19907
200012
20102
20202

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20102
20121
20131
20141
20152
20171
20191
20211
20221
20233
20245
20253
20262

Registration status

By status, as a table
aircraftshare
Valid29100%

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Standard1862%
Experimental621%
None on file517%

Biggest operators companies, schools and clubs

Largest fleets, as a table
aircraft
Usaf Academy2
Texas Soaring Association INC1
Philadelphia Glider Council INC1
Nephelenv LLC1
Minden Soaring Club INC1
Marcus Hook Glider Works1
J2J LLC1
Harris Hill Soaring CORP1
Four Delta Tango LLC1
Eaglewings LLC1
Duo D LLC1
Delta X-Ray LLC1

Fleet pages: Usaf Academy · Texas Soaring Association INC · Philadelphia Glider Council INC · Minden Soaring Club INC · Harris Hill Soaring CORP · Four Delta Tango LLC

Accident history NTSB records · 1 cases since 1982, 0 fatal

1997-07-24LAX97LA265 · DUO DISCUS N125DD · accident near Minden, NV · no injuries

The 1 most recent of 1 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.

Questions people ask answers refresh every morning

How many Schempp-Hirth DUO DISCUS aircraft are registered in the U.S.?

29 as of November 9, 2026, counting 1 version the FAA records separately.

Which state has the most Schempp-Hirth DUO DISCUSs?

Virginia, with 3.

Who owns the Schempp-Hirth DUO DISCUS?

52% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.

When were the Schempp-Hirth DUO DISCUSs on the register built?

Between 1996 and 2025; half of them in 2003 or earlier.

How many Schempp-Hirth DUO DISCUS accidents has the NTSB recorded?

1 accidents and incidents since 1982, 0 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.

What is the Schempp-Hirth DUO DISCUS made of?

The airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. A glass-fibre glider. The FAA's type certificate data sheet is the authority for any one model.

What the FAA has certified, ordered and been told about the Schempp-Hirth DUO DISCUS the component layer

The airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. A glass-fibre glider. The design is held under 1 type certificate (G85EU, held by Schempp-Hirth Flugzeugbau GMBH). The FAA has issued 7 airworthiness directives (orders that owners must comply with) that name this model, most of them about airframe structure.

FAA orders 7 airworthiness directives · newest first

2025-04-082025-04-14 · Passenger/Crew Doors · cabin, seats and restraints
2023-04-052023-03-14 · Drag Control System · instruments and avionics
2023-02-242023-03-10 · Elevator Control System · flight controls
2022-02-242021-26-25 · Drag Control System · landing gear
2015-11-182015-20-11 · Flight controls · landing gear
2004-12-302004-24-11 · Spar cap and spar web · airframe structure

All orders naming the Schempp-Hirth DUO DISCUS

By system

Orders by system, as a table
ordersshare
Airframe structure229%
Landing gear229%
Flight controls114%
Cabin, seats and restraints114%
Instruments and avionics114%

Certificates and bulletins

G85EUType certificate held by Schempp-Hirth Flugzeugbau GMBH · 1 model listed · revised April 11, 2008

Safety bulletins 1 · advice, not orders

2007-11-26CE-08-07 · Doors

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how the DUO DISCUS links to the rest of the register

Design
Engines
Where they are
Biggest operators
Record
Airworthiness

The whole map of how records connect · these connections as data: /graph/model/schempp-hirth/duo-discus.json.

Aircraft newest certificates first · 29

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N909BB Schempp-Hirth
DUO DISCUS
Four Delta Tango LLC
Wilmington, Delaware
Standard 2026-05-12 ValidFAA registration status code V: Valid registration. All codes
N1811W Schempp-Hirth
DUO DISCUS
Co-owned owner
California
Standard 2026-04-23 ValidFAA registration status code V: Valid registration. All codes
N990DD Schempp-Hirth
DUO DISCUS
Individual owner
Texas
Experimental 2025-12-15 ValidFAA registration status code V: Valid registration. All codes
N125DD Schempp-Hirth
DUO DISCUS
Individual owner
Pennsylvania
Standard 2025-09-25 ValidFAA registration status code V: Valid registration. All codes
N620JF Schempp-Hirth
DUO DISCUS
Duo D LLC
Salem, Virginia
Experimental 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N533BG Schempp-Hirth
DUO DISCUS
Co-owned owner
California
Standard 2024-11-05 ValidFAA registration status code V: Valid registration. All codes
N617T Schempp-Hirth
DUO DISCUS
Individual owner
New Mexico
None on file 2024-07-25 ValidFAA registration status code V: Valid registration. All codes
N106BR Schempp-Hirth
DUO DISCUS
Individual owner
Maryland
Standard 2024-07-06 ValidFAA registration status code V: Valid registration. All codes
N461BH Schempp-Hirth
DUO DISCUS
Individual owner
Nevada
None on file 2024-04-24 ValidFAA registration status code V: Valid registration. All codes
N241MZ Schempp-Hirth
DUO DISCUS
Co-owned owner
New York
Experimental 2024-02-22 ValidFAA registration status code V: Valid registration. All codes
N175DD Schempp-Hirth
DUO DISCUS
Minden Soaring Club INC
Genoa, Nevada
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N721DD Schempp-Hirth
DUO DISCUS
Individual owner
New Mexico
Standard 2023-05-25 ValidFAA registration status code V: Valid registration. All codes
N162AF Schempp-Hirth
DUO DISCUS
Usaf Academy
Usaf Academy, Colorado
Standard 2023-01-26 ValidFAA registration status code V: Valid registration. All codes
N678GB Schempp-Hirth
DUO DISCUS
J2J LLC
Cheyenne, Wyoming
Experimental 2022-12-15 ValidFAA registration status code V: Valid registration. All codes
N369DD Schempp-Hirth
DUO DISCUS
Nephelenv LLC
Minden, Nevada
None on file 2021-07-27 ValidFAA registration status code V: Valid registration. All codes
N517DX Schempp-Hirth
DUO DISCUS
Delta X-Ray LLC
Indianapolis, Indiana
None on file 2019-02-02 ValidFAA registration status code V: Valid registration. All codes
N161AF Schempp-Hirth
DUO DISCUS
Usaf Academy
Usaf Academy, Colorado
Standard 2017-10-18 ValidFAA registration status code V: Valid registration. All codes
N484KS Schempp-Hirth
DUO DISCUS
Individual owner
Delaware
Experimental 2015-11-19 ValidFAA registration status code V: Valid registration. All codes
N483KS Schempp-Hirth
DUO DISCUS
Individual owner
Virginia
Standard 2015-10-06 ValidFAA registration status code V: Valid registration. All codes
N142TB Schempp-Hirth
DUO DISCUS
Big Sky Jet INC
Bozeman, Montana
None on file 2014-07-08 ValidFAA registration status code V: Valid registration. All codes
N65VL Schempp-Hirth
DUO DISCUS
Individual owner
New Mexico
Standard 2013-02-01 ValidFAA registration status code V: Valid registration. All codes
N90BP Schempp-Hirth
DUO DISCUS
Philadelphia Glider Council INC
Hilltown, Pennsylvania
Standard 2012-03-05 ValidFAA registration status code V: Valid registration. All codes
N268MP Schempp-Hirth
DUO DISCUS
Marcus Hook Glider Works
Wilmington, Delaware
Experimental 2010-06-22 ValidFAA registration status code V: Valid registration. All codes
N215SH Schempp-Hirth
DUO DISCUS
Co-owned owner
California
Standard 2010-01-13 ValidFAA registration status code V: Valid registration. All codes
N65SF Schempp-Hirth
DUO DISCUS
Eaglewings LLC
Earlysville, Virginia
Standard 2009-01-09 ValidFAA registration status code V: Valid registration. All codes
N117GV Schempp-Hirth
DUO DISCUS
Texas Soaring Association INC
Midlothian, Texas
Standard 2008-09-24 ValidFAA registration status code V: Valid registration. All codes
N60BP Schempp-Hirth
DUO DISCUS
Harris Hill Soaring CORP
Horseheads, New York
Standard 2004-04-21 ValidFAA registration status code V: Valid registration. All codes
N982KA Schempp-Hirth
DUO DISCUS
Individual owner
Utah
Standard 1999-10-01 ValidFAA registration status code V: Valid registration. All codes
N57CG Schempp-Hirth
DUO DISCUS
Chicago Glider Club
Minooka, Illinois
Standard 1999-07-21 ValidFAA registration status code V: Valid registration. All codes