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Registered aircraft · FAA record as of September 25, 2026
N540J

Johns SA-29

Valid Illinois

N540J is a Johns SA-29, a fixed-wing airplane with one motor with a piston engine, built in 2002. It has 2 seats. It is registered to Next Aviation LLC - Aether Machinis, an LLC in Evanston, Illinois. The registration is valid: it was issued on May 17, 2018 and expires on May 31, 2028. It holds an experimental airworthiness certificate for amateur built, dated October 2, 2002.

Aircraft

Maker
Johns
Model
SA-29
Serial number
04
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming IO-540 SER · 300 hp
Seats
2
Year built
2002
Transponder code
A6D8B4 (octal 51554264)

Registration

Status
Valid registration
Certificate issued
May 17, 2018
Expires
May 31, 2028
Last FAA action
May 12, 2023
Airworthiness
Experimental · Amateur built · October 2, 2002
FAA region
Great Lakes
FAA record id
00693976

Owner as the FAA publishes it

Name
Next Aviation LLC - Aether Machinis
Type
LLC
Address
88 Salem Ln
Evanston, IL 60203-1218

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