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
Each aircraft's own page already shows its NTSB accident and incident record. The model-wide record (accidents per year, fatal and non-fatal, against the number registered) is being added; it will appear here.
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 · 25
| 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 |
| N9966C | Glaser-Dirks DG-400M/17 |
Bcw Aviation LLC Sigourney, Iowa |
Standard | 2022-10-18 | 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 |
| N40Z | Glaser-Dirks DG-400M/17 |
Individual owner Colorado |
Experimental | 2021-02-27 | 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 |
| N488DR | Glaser-Dirks DG-400M/17 |
Individual owner Nevada |
None on file | 2007-02-09 | 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 |