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Registered aircraft · FAA record as of September 25, 2026
N781EX

Ferstl Mark R ONEX

Valid Arizona

N781EX is a Ferstl Mark R ONEX, a fixed-wing airplane with one motor with a piston engine, built in 2025. It has 1 seat. It is registered to an individual in Tucson, Arizona. The registration is valid: it was issued on May 19, 2025 and expires on May 31, 2032. It holds an experimental airworthiness certificate for amateur built, dated August 27, 2025.

Aircraft

Maker
Ferstl Mark R
Model
ONEX
Serial number
ONX 0040
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Rotax 912ULS · 100 hp
Seats
1
Year built
2025
Kit
SONEX AIRCRAFT LLC ONEX
Transponder code
AA94B7 (octal 52512267)

Registration

Status
Valid registration
Certificate issued
May 19, 2025
Expires
May 31, 2032
Last FAA action
May 19, 2025
Airworthiness
Experimental · Amateur built · August 27, 2025
FAA region
Western-Pacific
FAA record id
01499470

Owner as the FAA publishes it

Name
Ferstl Mark R
Type
Individual
Address
4142 E Holmes St
Tucson, AZ 85711-1931

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

2010-09-07Dassault Aviation FALCON 2000EX · exported to Brazil · Valid registration

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