Aero Sp Z O O AT-4
11 on the U.S. register. Built from 2007 to 2008; half of them date from 2007 or earlier. Florida has the most (2). 27% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the AT-4 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Four-cycle piston, 1 engine
- Common engines
- Rotax 912Uls Series (10), Rotax 912Ul2 (1)
- Seats
- 2
- Maker on the register
- Aero Sp Z O O
- Registered
- earliest certificate April 21, 2017; newest July 21, 2026
Where they are owner's state
Florida2Arizona2Tennessee1Ohio1Maryland1Massachusetts1Colorado1California1
Who owns them registrant type
Individual7 (64%)LLC3 (27%)Not stated1 (9%)
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| AT-4 LSA | 11 | 2007 to 2008 | 100.0% |
When they were built by decade · 2 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid10 (91%)Assigned, not yet registered1 (9%)
Airworthiness certificate class
Light sport9 (82%)Experimental2 (18%)
Biggest operators companies, schools and clubs
Plane And Simple LLC1Northampton Lsa LLC1Aerohaus LLC1
Accident history NTSB records · 5 cases since 1982, 2 fatal
2025-03-22ERA25FA154 · AT-4 LSA N8548U · accident near Zellwood, FL · 1 killed
2024-10-25ERA25LA032 · AT-4 LSA N401G · accident near South Charleston, WV · serious injuries
2011-09-10WPR11CA445 · AT-4 LSA N334RA · accident near San Diego, CA · no injuries
2011-07-26CEN11CA519 · AT-4 LSA N1277K · accident near Colorado Springs, CO · no injuries
2010-07-28CEN10LA470 · AT-4 LSA N8549S · accident near Delaware, OH · 1 killed
The 5 most recent of 5 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 Aero Sp Z O O AT-4 aircraft are registered in the U.S.?
11 as of October 2, 2026, counting 1 version the FAA records separately.
Which state has the most Aero Sp Z O O AT-4s?
Florida, with 2.
Who owns the Aero Sp Z O O AT-4?
27% 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 · 11 AT-4 LSA (all versions)
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N708GB | Aero Sp Z O O AT-4 LSA |
Aerohaus LLC Phoenix, Arizona |
Light sport | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N4273Y | Aero Sp Z O O AT-4 LSA |
Individual owner Arizona |
Light sport | 2025-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N401G | Aero Sp Z O O AT-4 LSA |
Individual owner Ohio |
Experimental | 2025-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N1277K | Aero Sp Z O O AT-4 LSA |
Individual owner Tennessee |
Light sport | 2024-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N302RG | Aero Sp Z O O AT-4 LSA |
Individual owner California |
Experimental | 2023-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N2778R | Aero Sp Z O O AT-4 LSA |
Individual owner Florida |
Light sport | 2023-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8548U | Aero Sp Z O O AT-4 LSA |
Individual owner Florida |
Light sport | 2022-02-11 | ValidFAA registration status code V: Valid registration. All codes |
| N703GB | Aero Sp Z O O AT-4 LSA |
Northampton Lsa LLC Northampton, Massachusetts |
Light sport | 2021-01-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1037K | Aero Sp Z O O AT-4 LSA |
Individual owner Maryland |
Light sport | 2017-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N4274W | Aero Sp Z O O AT-4 LSA |
Plane And Simple LLC Lakewood, Colorado |
Light sport | 2017-04-21 | ValidFAA registration status code V: Valid registration. All codes |
| N338MF | Aero Sp Z O O AT-4 LSA |
No owner on file | Light sport | Assigned, not yet registeredFAA registration status code 3: N-number assigned as a non-type-certificated aircraft, not yet registered. All codes |