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Registered aircraft · FAA record as of September 25, 2026
N421GG

Cessna 421B

Valid Illinois

N421GG is a Cessna 421B, a fixed-wing airplane with more than one motor with a piston engine, built in 1974. It has 8 seats. It is registered to Scientific Flight CORP, a corporation in Shorewood, Illinois. The registration is valid: it was issued on January 18, 2017 and expires on January 31, 2030. It holds a standard airworthiness certificate for normal, dated December 19, 1974.

Aircraft

Maker
Cessna
Model
421B
Serial number
421B0848
Type
Fixed-wing, multi-engine
Power
Piston (reciprocating), 2 motors · Cont Motor GTSIO-520-C · 340 hp
Seats
8
Year built
1974
Cruising speed
172 mph
Transponder code
A4FFF3 (octal 51177763)

Registration

Status
Valid registration
Certificate issued
January 18, 2017
Expires
January 31, 2030
Last FAA action
September 30, 2023
Airworthiness
Standard · Normal · December 19, 1974
FAA region
Great Lakes
FAA record id
00512970

Owner as the FAA publishes it

Name
Scientific Flight CORP
Type
Corporation
Address
24646 W Park River Ln
Shorewood, IL 60404-7668

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