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
N4F

Bork Roger Lee 5151 MUSTANG

Valid Indiana

N4F is a Bork Roger Lee 5151 MUSTANG, a fixed-wing airplane with one motor with a piston engine, built in 1989. It has 1 seat. It is registered to an individual in Bainbridge, Indiana. The registration is valid: it was issued on March 8, 2017 and expires on March 31, 2030. It holds an experimental airworthiness certificate for amateur built, dated March 21, 1990.

Aircraft

Maker
Bork Roger Lee
Model
5151 MUSTANG
Serial number
14677123
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Bombardier ROTAX (ALL)
Seats
1
Year built
1989
Transponder code
A4A86C (octal 51124154)

Registration

Status
Valid registration
Certificate issued
March 8, 2017
Expires
March 31, 2030
Last FAA action
October 13, 2023
Airworthiness
Experimental · Amateur built · March 21, 1990
FAA region
Great Lakes
FAA record id
00544441

Owner as the FAA publishes it

Name
Miller Darrin R
Type
Individual
Address
11 Way West Airpark
Bainbridge, IN 46105-9572

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.

Earlier use of this number 2

1989-01-05Gates Lear Jet 24D · N-number assigned but not yet registered
1957-06-18Beech D18S · Valid registration

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