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
N521ER

Cessna 172S

Valid Minnesota

N521ER is a Cessna 172S, a fixed-wing airplane with one motor with a piston engine, built in 2001. It has 4 seats. It is registered to 521Er LLC, an LLC in Blaine, Minnesota. The registration is valid: it was issued on August 11, 2011 and expires on August 31, 2027. It holds a standard airworthiness certificate for normal; utility, dated August 20, 2001.

Aircraft

Maker
Cessna
Model
172S
Serial number
172S8924
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming I0360 SER · 180 hp
Seats
4
Year built
2001
Transponder code
A68D19 (octal 51506431)

Registration

Status
Valid registration
Certificate issued
August 11, 2011
Expires
August 31, 2027
Last FAA action
March 10, 2023
Airworthiness
Standard · Normal; Utility · August 20, 2001
FAA region
Great Lakes
FAA record id
00073954

Owner as the FAA publishes it

Name
521Er LLC
Type
LLC
Address
C/O Twin Cities Flight Training
8891 Airport Rd NE A12
Blaine, MN 55449

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