Glaser-Dirks DG-400
25 on the U.S. register across 2 versions the FAA records separately. Built from 1982 to 1990; half of them date from 1985 or earlier. Washington has the most (3). 16% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
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About the DG-400 from the FAA's model table
- Type
- Glider · Gliders
- Power
- Two-cycle piston, 1 engine
- Common engines
- Ama/Expr Unknown Eng (5), Bombardier Rotax (All) (4), None None (3)
- Seats
- 1
- Maker on the register
- Glaser-Dirks
- Registered
- earliest certificate March 21, 1986; newest July 28, 2026
Where they are owner's state
Washington3Nevada3New Mexico2Mississippi2Colorado2Texas1Tennessee1Ohio1New York1New Hampshire1Maryland1Kansas1
Who owns them registrant type
Individual17 (68%)Co-owned4 (16%)Corporation2 (8%)Partnership1 (4%)LLC1 (4%)
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| DG-400 | 22 | 1982 to 1990 | 88.0% |
| DG-400M/17 | 3 | 1986 | 12.0% |
When they were built by decade · 14 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid25 (100%)
Airworthiness certificate class
Experimental15 (60%)None on file7 (28%)Standard3 (12%)
Biggest operators companies, schools and clubs
Twenty INC1Slack Jonathan D1Mississippi State University Soaring Club1Bcw Aviation LLC1
Fleet pages: Slack Jonathan D
Accident history NTSB records · 6 cases since 1982, 3 fatal
2009-01-16WPR09FA089 · DG-400 N777WN · accident near Volcano, HI · 1 killed
2004-04-02SEA04LA063 · DG-400 N400WJ · accident near Oso, WA · 1 killed
1999-05-01NYC99LA102 · DG-400 N400FJ · accident near New Milford, CT · minor injuries
1997-06-14SEA97LA142 · DG-400 N321V · accident near Weston, OR · no injuries
1987-02-02LAX87DJA04 · DG-400 N104MN · accident near Dillingham, HI · 1 killed
1986-05-04DEN86LA127 · DG-400 N40Z · accident near Longmont, CO · minor injuries
The 6 most recent of 6 cases where the NTSB's make and model match this family's versions. Rates per registered aircraft, phases of flight and causes are coming with the analytics stage. Each aircraft's own page also shows its record.
Questions people ask answers refresh every morning
How many Glaser-Dirks DG-400 aircraft are registered in the U.S.?
25 as of October 2, 2026, counting 2 versions the FAA records separately.
Which state has the most Glaser-Dirks DG-400s?
Washington, with 3.
Who owns the Glaser-Dirks DG-400?
16% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.
Aircraft newest certificates first · 22 DG-400 (all versions)
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N70BS | Glaser-Dirks DG-400 |
Individual owner Ohio |
Experimental | 2026-07-28 | Valid |
| N83DG | Glaser-Dirks DG-400 |
Individual owner Colorado |
Experimental | 2026-04-27 | Valid |
| N406PP | Glaser-Dirks DG-400 |
Co-owned owner Texas |
None on file | 2026-03-10 | Valid |
| N400YE | Glaser-Dirks DG-400 |
Individual owner Florida |
Experimental | 2025-03-09 | Valid |
| N59RC | Glaser-Dirks DG-400 |
Individual owner Nevada |
None on file | 2024-12-09 | Valid |
| N579JC | Glaser-Dirks DG-400 |
Individual owner New Hampshire |
None on file | 2024-12-03 | Valid |
| N37Z | Glaser-Dirks DG-400 |
Individual owner New Mexico |
None on file | 2023-09-14 | Valid |
| N57Y | Glaser-Dirks DG-400 |
Co-owned owner Washington |
Experimental | 2023-08-16 | Valid |
| N305W | Glaser-Dirks DG-400 |
Individual owner Washington |
Experimental | 2023-06-07 | Valid |
| N991P | Glaser-Dirks DG-400 |
Individual owner Washington |
Experimental | 2023-05-06 | Valid |
| N45DG | Glaser-Dirks DG-400 |
Co-owned owner Nevada |
Experimental | 2022-02-11 | Valid |
| N113SA | Glaser-Dirks DG-400 |
Individual owner Arizona |
Experimental | 2021-05-03 | Valid |
| N400BB | Glaser-Dirks DG-400 |
Individual owner New Mexico |
Standard | 2021-04-01 | Valid |
| N393SB | Glaser-Dirks DG-400 |
Twenty INC Wilmington, Delaware |
Experimental | 2019-06-14 | Valid |
| N1LG | Glaser-Dirks DG-400 |
Individual owner Mississippi |
Experimental | 2015-01-20 | Valid |
| N318DV | Glaser-Dirks DG-400 |
Individual owner New York |
None on file | 2014-03-12 | Valid |
| N400MM | Glaser-Dirks DG-400 |
Mississippi State University Soaring Club Mississippi State, Mississippi |
Experimental | 2014-03-06 | Valid |
| N12KL | Glaser-Dirks DG-400 |
Individual owner Tennessee |
Experimental | 2012-10-04 | Valid |
| N14YC | Glaser-Dirks DG-400 |
Slack Jonathan D Bonfield, Illinois |
Experimental | 2008-10-09 | Valid |
| N8209B | Glaser-Dirks DG-400 |
Individual owner Alaska |
Standard | 2005-03-03 | Valid |
| N499E | Glaser-Dirks DG-400 |
Individual owner Kansas |
None on file | 1996-06-25 | Valid |
| N400GD | Glaser-Dirks DG-400 |
Co-owned owner Maryland |
Experimental | 1986-03-21 | Valid |