The U.S. aircraft register, updated daily
Models · Glasflugel · Gliders · data as of October 28, 2026

Glasflugel 304

8 on the U.S. register across 2 versions the FAA records separately. Built from 1980 to 2002; half of them date from 2000 or earlier. California has the most (3). 25% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.

About the 304 from the FAA's model table

Type
Glider · Gliders
Power
None
Common engines
None None (7)
Seats
1
Built of
composite · A glass-fibre glider.
Maker on the register
Glasflugel
Registered
earliest certificate February 24, 1999; newest May 14, 2026

Who owns them registrant type

By owner type, as a table
aircraftshare
Individual675%
Partnership112%
Corporation112%

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

VersionRegisteredBuiltShare
304CZ-1761998 to 200275.0%
30421980 to 198125.0%

When they were built by decade · 1 with no year on file

By decade built, as a table
aircraft
19802
19901
20004

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

Registrations by year, as a table
aircraft
20171
20182
20201
20231
20261

Registration status

By status, as a table
aircraftshare
Valid8100%

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Standard450%
Experimental338%
None on file112%

Biggest operators companies, schools and clubs

Zero Sink INC1Minear Wesley J1
Largest fleets, as a table
aircraft
Zero Sink INC1
Minear Wesley J1

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

No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record. How models compare: Accidents by model in Aviation Analytics.

Questions people ask answers refresh every morning

How many Glasflugel 304 aircraft are registered in the U.S.?

8 as of October 28, 2026, counting 2 versions the FAA records separately.

Which state has the most Glasflugel 304s?

California, with 3.

Who owns the Glasflugel 304?

25% 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 Glasflugel 304s on the register built?

Between 1980 and 2002; half of them in 2000 or earlier.

What is the Glasflugel 304 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.

Connections how the 304 links to the rest of the register

Design
Where they are
Biggest operators
Record

The whole map of how records connect · these connections as data: /graph/model/glasflugel/304.json.

Aircraft newest certificates first · 8

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N304L Glasflugel
304CZ-17
Individual owner
California
Standard 2026-05-14 ValidFAA registration status code V: Valid registration. All codes
N304PJ Glasflugel
304CZ-17
Individual owner
Washington
None on file 2023-05-23 ValidFAA registration status code V: Valid registration. All codes
N56FL Glasflugel
304CZ-17
Minear Wesley J
Jonesboro, Arkansas
Standard 2020-09-09 ValidFAA registration status code V: Valid registration. All codes
N5538 Glasflugel
304
Individual owner
Colorado
Experimental 2018-09-07 ValidFAA registration status code V: Valid registration. All codes
N304XS Glasflugel
304CZ-17
Individual owner
California
Standard 2018-06-22 ValidFAA registration status code V: Valid registration. All codes
N1304T Glasflugel
304
Individual owner
Arizona
Experimental 2017-07-20 ValidFAA registration status code V: Valid registration. All codes
N304ZS Glasflugel
304CZ-17
Zero Sink INC
Wilmington, Delaware
Standard 2005-09-28 ValidFAA registration status code V: Valid registration. All codes
N304DJ Glasflugel
304CZ-17
Individual owner
California
Experimental 1999-02-24 ValidFAA registration status code V: Valid registration. All codes