The U.S. aircraft register, updated daily · Carbon Free Flight by 2050
Models · North American · Piston singles · data as of October 2, 2026

North American HARVARD 4

5 on the U.S. register. Built from 1946 to 1952; half of them date from 1952 or earlier. California has the most (2). 80% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.

About the HARVARD 4 from the FAA's model table

Type
Fixed-wing, single engine · Piston singles
Power
Piston (reciprocating), 1 engine
Common engines
P&W R1340 Series (3), P & W R-1830 Series (1)
Seats
2
Cruise speed
about 141 mph
Maker on the register
North American
Registered
earliest certificate March 21, 1972; newest November 2, 2017

Where they are owner's state

California2Washington1Missouri1Illinois1

Who owns them registrant type

LLC2 (40%)Corporation2 (40%)Individual1 (20%)

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
HARVARD 451946 to 1952100.0%

When they were built by decade

012341194041950

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

00122120112201512017

Registration status

Valid5 (100%)

Airworthiness certificate class

Experimental4 (80%)None on file1 (20%)

Biggest operators companies, schools and clubs

Onaero INC1Fast Toys For Boys LTD1Dms Aviation Services LLC1American Aircraft Sales LLC1

Fleet pages: American Aircraft Sales LLC

Accident history NTSB records · 0 cases since 1982, 0 fatal

No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record.

Questions people ask answers refresh every morning

How many North American HARVARD 4 aircraft are registered in the U.S.?

5 as of October 2, 2026, counting 1 version the FAA records separately.

Which state has the most North American HARVARD 4s?

California, with 2.

Who owns the North American HARVARD 4?

80% 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 · 5 HARVARD 4 (all versions)

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N1811B North American
HARVARD 4
Onaero INC
Santa Monica, California
Experimental 2017-11-02 Valid
N4289C North American
HARVARD 4
Dms Aviation Services LLC
Wildwood, Missouri
Experimental 2015-08-14 Valid
N7553U North American
HARVARD 4
Fast Toys For Boys LTD
Wenatchee, Washington
Experimental 2015-08-13 Valid
N28500 North American
HARVARD 4
American Aircraft Sales LLC
Livermore, California
None on file 2011-04-19 Valid
N7554U North American
HARVARD 4
Individual owner
Illinois
Experimental 1972-03-21 Valid