Thorp T-18
27 on the U.S. register across 2 versions the FAA records separately. Built from 1964 to 1983; half of them date from 1971 or earlier. Florida has the most (4). 11% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
About the T-18 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Lycoming 0-320 Series (13), Lycoming 0-290 Series (8), Lycoming O&Vo-360 Ser (4)
- Seats
- 2
- Cruise speed
- about 97 mph
- Built of
- aluminium · A kit, built by its owner.
- Maker on the register
- Thorp
- Registered
- earliest certificate July 22, 1977; newest September 30, 2026
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| T-18 | 26 | 1964 to 1983 | 96.3% |
| T-18 MODIFIED | 1 | 1972 | 3.7% |
When they were built by decade · 6 with no year on file
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Experimental | 26 | 96% |
| None on file | 1 | 4% |
Biggest operators companies, schools and clubs
Scotia Aero LLC1Big Sky Flyers LLC111Dc LLC1
Largest fleets, as a table
| aircraft | |
|---|---|
| Scotia Aero LLC | 1 |
| Big Sky Flyers LLC | 1 |
| 11Dc LLC | 1 |
Accident history NTSB records · 13 cases since 1982, 6 fatal
2012-08-21CEN12LA566 · T-18 N2443 · accident near Gilmer, TX · serious injuries
2011-09-23CEN11FA663 · T-18 N54WB · accident near Plainwell, MI · 1 killed
2008-05-09SEA08LA127 · T-18 N8613A · accident near Kent, WA · 1 killed
1988-03-01ATL88DMG03 · T-18 N1369 · accident near Advance, NC · minor injuries
1987-04-20MKC87LA084 · T-18 N218HW · accident near Bowling Green, MO · no injuries
1987-03-28LAX87LA158 · T-18 N26CK · accident near Riverside, CA · no injuries
1986-07-31DEN86FA213 · T-18 N85JJ · accident near Rawlins, WY · 2 killed
1986-07-11SEA86FA165 · T-18 N2056 · accident near Richland, WA · 2 killed
The 8 most recent of 13 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Thorp T-18 aircraft are registered in the U.S.?
27 as of October 29, 2026, counting 2 versions the FAA records separately.
Which state has the most Thorp T-18s?
Florida, with 4.
Who owns the Thorp T-18?
11% 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 Thorp T-18s on the register built?
Between 1964 and 1983; half of them in 1971 or earlier.
How many Thorp T-18 accidents has the NTSB recorded?
13 accidents and incidents since 1982, 6 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Thorp T-18 made of?
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. A kit, built by its owner. The FAA's type certificate data sheet is the authority for any one model.
Connections how the T-18 links to the rest of the register
Design
- Thorp 27 aircraft on the register
- Thorp T-18 26 registered
- Thorp T-18 MODIFIED 1 registered
- Built of aluminium · A kit, built by its owner.
Engines
- Lycoming O-320 series 14 of these aircraft · 180 hp
- Lycoming O-290 series 8 of these aircraft · 140 hp
- Lycoming O-360 / VO-360 series 4 of these aircraft · 180 hp
Where they are
- Florida 4 of these aircraft
- Colorado 4 of these aircraft
- California 3 of these aircraft
- Texas 2 of these aircraft
- Illinois 2 of these aircraft
Biggest operators
- Scotia Aero LLC 1 of these aircraft
- Big Sky Flyers LLC 1 of these aircraft
- 11Dc LLC 1 of these aircraft
Record
- NTSB accidents and incidents involving the T-18 13 cases since 1982 · 6 fatal
The whole map of how records connect · these connections as data: /graph/model/thorp/t-18.json.
Aircraft newest certificates first · 27
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N2911 | Thorp T-18 |
Individual owner Wisconsin |
Experimental | 2026-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N174P | Thorp T-18 MODIFIED |
Scotia Aero LLC Fort Myers, Florida |
None on file | 2026-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4083B | Thorp T-18 |
Individual owner Nevada |
Experimental | 2026-06-01 | ValidFAA registration status code V: Valid registration. All codes |
| N25002 | Thorp T-18 |
Co-owned owner Texas |
Experimental | 2024-12-27 | ValidFAA registration status code V: Valid registration. All codes |
| N312LL | Thorp T-18 |
Individual owner California |
Experimental | 2024-05-22 | ValidFAA registration status code V: Valid registration. All codes |
| N18JF | Thorp T-18 |
Individual owner Washington |
Experimental | 2022-12-02 | ValidFAA registration status code V: Valid registration. All codes |
| N427H | Thorp T-18 |
Individual owner Florida |
Experimental | 2022-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N5661 | Thorp T-18 |
Individual owner Tennessee |
Experimental | 2022-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N198NF | Thorp T-18 |
Individual owner Florida |
Experimental | 2021-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N380G | Thorp T-18 |
Individual owner Colorado |
Experimental | 2021-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N4784G | Thorp T-18 |
Individual owner Colorado |
Experimental | 2020-10-24 | ValidFAA registration status code V: Valid registration. All codes |
| N4588 | Thorp T-18 |
Individual owner Illinois |
Experimental | 2019-03-26 | ValidFAA registration status code V: Valid registration. All codes |
| N249R | Thorp T-18 |
Individual owner Missouri |
Experimental | 2019-01-17 | ValidFAA registration status code V: Valid registration. All codes |
| N2721 | Thorp T-18 |
Individual owner Texas |
Experimental | 2018-06-11 | ValidFAA registration status code V: Valid registration. All codes |
| N11DC | Thorp T-18 |
11Dc LLC Broomfield, Colorado |
Experimental | 2018-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N18JT | Thorp T-18 |
Individual owner California |
Experimental | 2018-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N12055 | Thorp T-18 |
Individual owner Pennsylvania |
Experimental | 2016-03-29 | ValidFAA registration status code V: Valid registration. All codes |
| N1118M | Thorp T-18 |
Individual owner Oklahoma |
Experimental | 2015-10-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7199 | Thorp T-18 |
Big Sky Flyers LLC Billings, Montana |
Experimental | 2014-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N1488 | Thorp T-18 |
Individual owner Oregon |
Experimental | 2014-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N76KR | Thorp T-18 |
Individual owner Florida |
Experimental | 2013-02-04 | ValidFAA registration status code V: Valid registration. All codes |
| N77AK | Thorp T-18 |
Individual owner Illinois |
Experimental | 2012-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N338Q | Thorp T-18 |
Individual owner California |
Experimental | 2008-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N18Z | Thorp T-18 |
Individual owner Alabama |
Experimental | 2006-03-03 | ValidFAA registration status code V: Valid registration. All codes |
| N2287C | Thorp T-18 |
Individual owner Arizona |
Experimental | 1993-02-04 | ValidFAA registration status code V: Valid registration. All codes |
| N262PE | Thorp T-18 |
Individual owner Idaho |
Experimental | 1987-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N3098 | Thorp T-18 |
Individual owner Colorado |
Experimental | 1977-07-22 | ValidFAA registration status code V: Valid registration. All codes |