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Registered aircraft · FAA record as of September 25, 2026
N631LS

Lockheed 18-56

Valid Montana

N631LS is a Lockheed 18-56, a fixed-wing airplane with more than one motor with a piston engine. It has 17 seats. It is registered to an individual in Marion, Montana. The registration is valid: it was issued on May 9, 2014 and expires on May 31, 2027. It holds a standard airworthiness certificate, dated August 6, 1958.

Aircraft

Maker
Lockheed
Model
18-56
Serial number
2404
Type
Fixed-wing, multi-engine
Power
Piston (reciprocating), 2 motors · Wright C9HD SERIES · 1425 hp
Seats
17
Year built
Not given
Cruising speed
184 mph
Transponder code
A8427E (octal 52041176)

Registration

Status
Valid registration
Certificate issued
May 9, 2014
Expires
May 31, 2027
Last FAA action
July 28, 2023
Airworthiness
Standard · August 6, 1958
FAA region
Northwest Mountain
FAA record id
00591916

Owner as the FAA publishes it

Name
Hill Lawrence E
Type
Individual
Address
3070 Lower Lost Prairie Rd
Marion, MT 59925-9706

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