flight Aircraft

N421B

BEECH 300 Super King Air

Operated by DEPARTMENT OF HOMELAND SECURITY

Tail number
N421B
Type
BE30
Mode-S
A4FF6F
Not currently tracked · last seen 5d ago
Flights observed
2
Avg flight time
30m
Typical route
-
Last seen
5d ago

Last known area

Map centered near N421B's most recent activity.

Recent flights last 2

DateRouteTakeoffLandingDuration
2026-04-16 - Apr 16, 17:15 UTCApr 16, 18:00 UTC45m
2026-04-16 - Apr 16, 16:55 UTCApr 16, 17:10 UTC15m

Specifications

Registration N421B
Aircraft type BEECH 300 Super King Air (BE30)
Operator DEPARTMENT OF HOMELAND SECURITY
Mode-S code A4FF6F · 51177557 (octal)

Looking for transponder-level data? View the Mode-S A4FF6F page for country allocation, callsign history, and ADS-B signal details.

N421B frequently asked

What type of aircraft is N421B?
N421B is a BEECH 300 Super King Air (ICAO type code BE30).
Who operates N421B?
N421B is operated by DEPARTMENT OF HOMELAND SECURITY.
What is the Mode-S transponder code for N421B?
N421B broadcasts on Mode-S (ICAO 24-bit) address A4FF6F (octal 51177557). View the transponder page.
Where is N421B right now?
N421B is not currently being tracked; last seen 5d ago.