sensors Mode-S transponder

4CC57A

ICAO 24-bit transponder address

Currently assigned to TF-ICV · BOEING 737 MAX 8

Hex
4CC57A
Octal
23142572
Decimal
5,031,290
Tail
TF-ICV
Type
B38M
Broadcasting now · callsign ICE56K · 37,000 ft
Flights observed
16
Distinct callsigns
7
Country
-
Last broadcast
16h ago

Current position

4CC57A is currently broadcasting. Map zoomed to live position.

Callsign history 7 distinct

Callsign Airline Flights Last seen
ICE824 - 4 2026-04-13
ICE825 Icelandair 3 2026-04-13
ICE694 - 3 2026-04-14
ICE4BE - 2 2026-04-13
ICE45R - 2 2026-04-13
ICE5BK - 1 2026-04-13
ICE546 - 1 2026-04-14

Recent flights last 16

DateFlightRouteTakeoffLandingDuration
2026-04-14 ICE546 - Apr 14, 10:50 UTCApr 14, 11:05 UTC15m
2026-04-14 ICE694 - Apr 14, 09:10 UTCApr 14, 09:20 UTC10m
2026-04-14 ICE694 - Apr 14, 08:50 UTCApr 14, 09:05 UTC15m
2026-04-14 ICE694 - Apr 14, 05:15 UTCApr 14, 05:40 UTC25m
2026-04-13 ICE45R - Apr 13, 19:50 UTCApr 13, 23:45 UTC3h 55m
2026-04-13 ICE45R - Apr 13, 17:25 UTCApr 13, 20:05 UTC2h 40m
2026-04-13 ICE5BK - Apr 13, 13:55 UTCApr 13, 15:55 UTC2h 0m
2026-04-13 ICE4BE - Apr 13, 12:20 UTCApr 13, 12:40 UTC20m
2026-04-13 ICE4BE - Apr 13, 10:25 UTCApr 13, 10:50 UTC25m
2026-04-13 ICE824 - Apr 13, 08:20 UTCApr 13, 08:30 UTC10m
2026-04-13 ICE824 - Apr 13, 07:55 UTCApr 13, 08:15 UTC20m
2026-04-13 ICE824 - Apr 13, 03:55 UTCApr 13, 04:15 UTC20m
2026-04-13 ICE824 - Apr 13, 02:15 UTCApr 13, 04:15 UTC2h 0m
2026-04-13 ICE825 KEF → BNA Apr 13, 00:20 UTCApr 13, 00:30 UTC10m
2026-04-12 ICE825 KEF → BNA Apr 12, 23:55 UTCApr 13, 00:30 UTC35m
2026-04-12 ICE825 KEF → BNA Apr 12, 17:30 UTCApr 12, 17:45 UTC15m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the TF-ICV page for operator, model, and routing details .

Mode-S 4CC57A frequently asked

What is Mode-S code 4CC57A?
4CC57A is an ICAO 24-bit transponder address. Assigned to TF-ICV.
Is 4CC57A broadcasting right now?
Yes. Mode-S 4CC57A is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CC57A, octal 23142572, decimal 5,031,290.
What flights does 4CC57A operate?
Mode-S 4CC57A has broadcast 7 distinct callsigns, including ICE824, ICE825, ICE694, ICE4BE, ICE45R.