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Registered aircraft · FAA record as of September 25, 2026
N423J

Bradley W Mcnamara GLASAIR SPER II-RG

N423J is a Bradley W Mcnamara GLASAIR SPER II-RG, a fixed-wing airplane with one motor with a four-stroke engine. It has 2 seats. It is registered to Alternate Air INC, a corporation in Seattle, Washington. The registration is valid: it was issued on January 12, 2016 and expires on January 31, 2029. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.

Aircraft

Maker
Bradley W Mcnamara
Model
GLASAIR SPER II-RG
Serial number
2471
Type
Fixed-wing, single engine
Power
Four-cycle piston, 1 motor
Seats
2
Year built
Not given
Kit
GLASAIR AVIATION LLC SUPER II-RG
Transponder code
A5078C (octal 51203614)

Registration

Status
Valid registration
Certificate issued
January 12, 2016
Expires
January 31, 2029
Last FAA action
June 3, 2026
Airworthiness
None on file
FAA region
Northwest Mountain
FAA record id
01052663

Owner as the FAA publishes it

Name
Alternate Air INC
Type
Corporation
Address
524 30Th Ave
Seattle, WA 98122-6237

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