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
N4559A

Gulfstream American Corp AA-5B

Valid Montana

N4559A is a Gulfstream American Corp AA-5B, a fixed-wing airplane with one motor with a piston engine. It has 4 seats. It is registered to Ksm Aviation LLC, an LLC in Kalispell, Montana. The registration is valid: it was issued on January 27, 2023 and expires on January 31, 2030. It holds a standard airworthiness certificate for normal; utility, dated July 20, 1979.

Aircraft

Maker
Gulfstream American Corp
Model
AA-5B
Serial number
AA5B1245
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming O&VO-360 SER · 180 hp
Seats
4
Year built
Not given
Transponder code
A58843 (octal 51304103)

Registration

Status
Valid registration
Certificate issued
January 27, 2023
Expires
January 31, 2030
Last FAA action
January 27, 2023
Airworthiness
Standard · Normal; Utility · July 20, 1979
FAA region
Northwest Mountain
FAA record id
00812924

Owner as the FAA publishes it

Name
Ksm Aviation LLC
Type
LLC
Address
1001 S Main St Ste 49
Kalispell, MT 59901-5635

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 1

1960-07-05Piper PA-22-150 · exported to United Kingdom · Valid registration

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