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
N4103

Mooney M-18LA

N4103 is a Mooney M-18LA, a fixed-wing airplane with one motor with a piston engine, built in 1953. It has 1 seat. It is registered to Port Townsend Aero Museum, a corporation in Port Townsend, Washington. The registration is valid: it was issued on May 16, 2018 and expires on May 31, 2028. It holds a standard airworthiness certificate, dated June 30, 1955.

Aircraft

Maker
Mooney
Model
M-18LA
Serial number
137
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming 0-145B SERIES · 65 hp
Seats
1
Year built
1953
Cruising speed
103 mph
Transponder code
A4D6E1 (octal 51153341)

Registration

Status
Valid registration
Certificate issued
May 16, 2018
Expires
May 31, 2028
Last FAA action
May 12, 2023
Airworthiness
Standard · June 30, 1955
FAA region
Northwest Mountain
FAA record id
00331364

Owner as the FAA publishes it

Name
Port Townsend Aero Museum
Type
Corporation
Address
105 Airport Rd
Port Townsend, WA 98368-9716

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