N-Number Registry

Registry / N-number

N421BX

CESSNA 421B · Valid

Aircraft

Make
CESSNA
Model
421B
Year manufactured
Serial number
421B0391
Type
Fixed wing multi engine · 8 seats · 2 engines
Weight class
Up to 12,499 lbs
Cruise speed
172 kt

Engine

Manufacturer
CONT MOTOR
Model
GTSIO-520-H
Type
Reciprocating
Horsepower
375

Registration

Registrant

Name
Crystal Air Llc
Type
LLC
Location
BRIGHTON, MA
See other aircraft in Massachusetts

Certificate

Status
Valid
Issued
2025-09-19
Airworthiness
2006-08-07
Expires
2032-09-30
Last action
2025-09-19
Fractional ownership
No

ADS-B / Mode S

Mode S hex (ICAO 24-bit)
A4FF85
Mode S octal
51177605

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: 2025-09-19.

N421BX — CESSNA 421B · N-Number