Douglas AD-4
9 on the U.S. register across 5 versions the FAA records separately. Built from 1949 to 1952; half of them date from 1952 or earlier. Oregon has the most (2). 78% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the AD-4 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Ama/Expr Unknown Eng (2), Wright R3350-42 (1), Wright R3350-32Wa (1)
- Seats
- 2
- Maker on the register
- Douglas
- Registered
- earliest certificate November 17, 1988; newest May 16, 2024
Where they are owner's state
Who owns them registrant type
Versions as the FAA records them · click one to list only those aircraft
When they were built by decade · 4 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Airworthiness certificate class
Biggest operators companies, schools and clubs
Fleet pages: Tsi Holdco INC · Heritage Flight Museum · Comanche Warbirds INC · Avenger LLC
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 Douglas AD-4 aircraft are registered in the U.S.?
9 as of October 2, 2026, counting 5 versions the FAA records separately.
Which state has the most Douglas AD-4s?
Oregon, with 2.
Who owns the Douglas AD-4?
78% 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 · 3 AD-4 (all versions)
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N23827 | Douglas AD-4 |
Tsi Holdco INC Virginia Beach, Virginia |
Experimental | 2024-05-16 | Valid |
| N4277P | Douglas AD-4 |
Erickson Group LTD Beaverton, Oregon |
None on file | 1992-12-03 | Valid |
| N409Z | Douglas AD-4 |
Comanche Warbirds INC Houston, Texas |
Experimental | 1991-12-04 | Valid |