Staging copy. The live site is at https://staging.data.eflight.com.
eFlight RegistryFAA data, updated daily
Registered aircraft · FAA record as of September 25, 2026
N37SW

Wittman TAILWIND WO

Valid Wisconsin

N37SW is a Wittman TAILWIND WO, a fixed-wing airplane with one motor with a piston engine, built in 1974. It has 2 seats. It is registered to Eaa Aviation Foundation INC, a corporation in Oshkosh, Wisconsin. The registration is valid: it was issued on April 3, 1996 and expires on May 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated June 30, 1977.

Aircraft

Maker
Wittman
Model
TAILWIND WO
Serial number
12
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor
Seats
2
Year built
1974
Cruising speed
111 mph
Transponder code
A43317 (octal 51031427)

Registration

Status
Valid registration
Certificate issued
April 3, 1996
Expires
May 31, 2027
Last FAA action
January 22, 2023
Airworthiness
Experimental · Amateur built · June 30, 1977
FAA region
Great Lakes
FAA record id
00393383

Owner as the FAA publishes it

Name
Eaa Aviation Foundation INC
Type
Corporation
Address
PO Box 3086
Oshkosh, WI 54903-3086

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data