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
N231RU

Mooney Aircraft Corp. M20K

N231RU is a Mooney Aircraft Corp. M20K, a fixed-wing airplane with one motor with a piston engine, built in 1979. It has 4 seats. It is registered to 42Nd Design LLC, an LLC in Kirkland, Washington. The registration is valid: it was issued on February 10, 2024 and expires on February 28, 2031. It holds a standard airworthiness certificate for normal, dated July 16, 1979.

Aircraft

Maker
Mooney Aircraft Corp.
Model
M20K
Serial number
25-0186
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Cont Motor TSIO-360 SER · 225 hp
Seats
4
Year built
1979
Transponder code
A20DC1 (octal 50406701)

Registration

Status
Valid registration
Certificate issued
February 10, 2024
Expires
February 28, 2031
Last FAA action
February 10, 2024
Airworthiness
Standard · Normal · July 16, 1979
FAA region
Northwest Mountain
FAA record id
00802162

Owner as the FAA publishes it

Name
42Nd Design LLC
Type
LLC
Address
12620 93Rd Pl NE
Kirkland, WA 98034-5911

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