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Registered aircraft · FAA record as of September 25, 2026
N171S

Mark Rock EVOLUTION

Valid Arizona

N171S is a Mark Rock EVOLUTION, a fixed-wing airplane with one motor with a piston engine, built in 2017. It has 4 seats. It is registered to Cotterkey N171S LLC, an LLC in Phoenix, Arizona. The registration is valid: it was issued on February 25, 2025 and expires on February 29, 2032. It holds an experimental airworthiness certificate for amateur built, dated December 27, 2020.

Aircraft

Maker
Mark Rock
Model
EVOLUTION
Serial number
EVO-0079
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · P&W PT6A SERIES · 500 hp
Seats
4
Year built
2017
Kit
LANCAIR INTL INC EVOLUTION
Transponder code
A11E74 (octal 50217164)

Registration

Status
Valid registration
Certificate issued
February 25, 2025
Expires
February 29, 2032
Last FAA action
February 25, 2025
Airworthiness
Experimental · Amateur built · December 27, 2020
FAA region
Western-Pacific
FAA record id
01250303

Owner as the FAA publishes it

Name
Cotterkey N171S LLC
Type
LLC
Address
PO Box 35800
Phoenix, AZ 85069-5800

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

2011-06-08Beech H50 · Registration pending, canceled

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