Flight Tracker
N421ZM
1981 CESSNA 421C
Fixed wing multi engine · Reciprocating · Standard

Registration

Registered Owner
3TR AVIATION LLC
Registrant Type
LLC
Location
LONGVIEW, TX
Status
Valid
Certificate Issued
Nov 23, 2025
Airworthiness Date
Apr 3, 1998
Expires
Nov 30, 2032
Approved Operations
Normal

Airframe

Manufacturer
CESSNA
Model
421C
Year
1981
Serial Number
421C1058
Seats
8
Engines
2
Max Weight
Up to 12,499 lb
Cruise Speed
90 kt
Type Certificate
-

Powerplant

Engine Manufacturer
CONT MOTOR
Engine Model
GTSIO-520 SER
Type
Reciprocating
Power
300 hp

Live Flight Status

Checking live traffic…

Coverage depends on ground receiver reception and is not a complete picture of traffic.

Transponder & Tracking

Mode S Code (Hex)
A501A1
Mode S Code (Octal)
51200641

The hex code is the aircraft's ICAO 24-bit address, broadcast by its ADS-B transponder. It is the key used to match live position reports to this registration.

NTSB Accident & Incident Record

No NTSB accident or incident records found for N421ZM (database covers 1948 to present).