N-Number Registry

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N21SG

1976 CESSNA 421C · Valid

Aircraft

Make
CESSNA
Model
421C
Year manufactured
1976
Serial number
421C0039
Type
Fixed wing multi engine · 8 seats · 2 engines
Weight class
Up to 12,499 lbs
Cruise speed
90 kt

Engine

Manufacturer
CONT MOTOR
Model
GTSIO-520 SER
Type
Reciprocating
Horsepower
435

Registration

Registrant

Name
Two One Sierra Golf Llc
Type
LLC
Location
SEATTLE, WA
See other aircraft in Washington

Certificate

Status
Valid
Issued
2012-09-18
Airworthiness
1984-04-18
Expires
2028-09-30
Last action
2023-06-10
Fractional ownership
No

ADS-B / Mode S

Mode S hex (ICAO 24-bit)
A1B8C0
Mode S octal
50334300

Every transponder-equipped aircraft broadcasts its Mode S hex code on 1090 MHz. ADS-B receivers like FlightAware and FlightRadar24 use this ICAO code to identify the aircraft.

Source: FAA Releasable Aircraft Database (public domain). Last action on this record: 2023-06-10.