Apparatus

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sensors Mode-S transponder

4CC578

ICAO 24-bit transponder address

Currently assigned to TF-IAB · AIRBUS A-321neo

Hex
4CC578
Octal
23142570
Decimal
5,031,288
Tail
TF-IAB
Type
A21N
Broadcasting now · callsign ICE454 · 35,000 ft
Flights observed
366
Distinct callsigns
20
Country
-
Last broadcast
Jul 26, 21:25 UTC

Current position

4CC578 is currently broadcasting. Map zoomed to live position.

Callsign history 20 distinct

Callsign Airline Flights Last seen
ICE615 Icelandair 26 2026-07-20
ICE614 Icelandair 26 2026-07-21
ICE623 Icelandair 18 2026-07-17
ICE622 - 15 2026-07-18
ICE820 Icelandair 13 2026-05-19
ICE686 Icelandair 12 2026-07-22
ICE689 Icelandair 11 2026-07-21
ICE8K Icelandair 10 2026-07-21
ICE7J Icelandair 10 2026-07-21
ICE343 Icelandair 10 2026-07-24
ICE342 Icelandair 10 2026-07-24
ICE821 Icelandair 9 2026-05-18
ICE664 Icelandair 9 2026-07-26
ICE501 Icelandair 8 2026-07-26
ICE500 Icelandair 8 2026-07-26
ICE450 - 8 2026-07-04
ICE14T - 8 2026-07-18
ICE84H Icelandair 7 2026-07-22
ICE451 - 7 2026-07-02
ICE15M - 7 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ICE665 KEF → PDX Jul 26, 17:05 UTCJul 26, 21:25 UTC4h 20m
2026-07-26 ICE501 AMS → KEF Jul 26, 12:25 UTCJul 26, 15:20 UTC2h 55m
2026-07-26 ICE500 KEF → AMS Jul 26, 07:55 UTCJul 26, 10:25 UTC2h 30m
2026-07-26 ICE664 PDX → KEF Jul 26, 05:30 UTCJul 26, 05:45 UTC15m
2026-07-25 ICE664 PDX → KEF Jul 25, 22:45 UTCJul 26, 00:35 UTC1h 50m
2026-07-25 ICE663 KEF → PDX Jul 25, 11:05 UTCJul 25, 18:45 UTC7h 40m
2026-07-25 ICE201 CPH → KEF Jul 25, 05:35 UTCJul 25, 08:30 UTC2h 55m
2026-07-25 ICE202 KEF → CPH Jul 25, 01:40 UTCJul 25, 04:15 UTC2h 35m
2026-07-24 ICE275 BLL → KEF Jul 24, 21:30 UTCJul 25, 00:20 UTC2h 50m
2026-07-24 ICE274 KEF → BLL Jul 24, 17:50 UTCJul 24, 20:15 UTC2h 25m
2026-07-24 ICE343 HEL → KEF Jul 24, 12:05 UTCJul 24, 15:30 UTC3h 25m
2026-07-24 ICE342 KEF → HEL Jul 24, 07:45 UTCJul 24, 10:35 UTC2h 50m
2026-07-23 ICE664 PDX → KEF Jul 23, 22:45 UTCJul 24, 05:50 UTC7h 5m
2026-07-23 ICE663 KEF → PDX Jul 23, 11:10 UTCJul 23, 19:05 UTC7h 55m
2026-07-23 ICE201 CPH → KEF Jul 23, 05:25 UTCJul 23, 08:30 UTC3h 5m
2026-07-23 ICE202 KEF → CPH Jul 23, 01:25 UTCJul 23, 04:00 UTC2h 35m
2026-07-22 ICE85V ALC → KEF Jul 22, 17:00 UTCJul 22, 21:10 UTC4h 10m
2026-07-22 ICE84H KEF → ALC Jul 22, 11:20 UTCJul 22, 15:25 UTC4h 5m
2026-07-22 ICE686 MCO → KEF Jul 22, 03:15 UTCJul 22, 05:25 UTC2h 10m
2026-07-21 ICE689 KEF → MCO Jul 21, 17:00 UTCJul 22, 00:50 UTC7h 50m
2026-07-21 ICE7J CDG → KEF Jul 21, 12:20 UTCJul 21, 15:35 UTC3h 15m
2026-07-21 ICE8K KEF → CDG Jul 21, 08:05 UTCJul 21, 10:50 UTC2h 45m
2026-07-21 ICE614 JFK → KEF Jul 21, 01:30 UTCJul 21, 06:20 UTC4h 50m
2026-07-20 ICE615 KEF → JFK Jul 20, 17:30 UTCJul 20, 23:05 UTC5h 35m
2026-07-20 ICE7J - Jul 20, 12:25 UTCJul 20, 15:40 UTC3h 15m
2026-07-20 ICE8K KEF → CDG Jul 20, 08:10 UTCJul 20, 10:55 UTC2h 45m
2026-07-19 ICE7J - Jul 19, 15:45 UTCJul 19, 18:55 UTC3h 10m
2026-07-19 ICE8K KEF → CDG Jul 19, 11:35 UTCJul 19, 14:15 UTC2h 40m
2026-07-19 ICE614 JFK → KEF Jul 19, 05:10 UTCJul 19, 10:05 UTC4h 55m
2026-07-18 ICE615 KEF → JFK Jul 18, 21:00 UTCJul 18, 23:20 UTC2h 20m
2026-07-18 ICE615 KEF → JFK Jul 18, 17:35 UTCJul 18, 17:55 UTC20m
2026-07-18 ICE15M BER → KEF Jul 18, 12:30 UTCJul 18, 15:55 UTC3h 25m
2026-07-18 ICE14T KEF → BER Jul 18, 08:00 UTCJul 18, 11:00 UTC3h 0m
2026-07-18 ICE622 EWR → KEF Jul 18, 01:00 UTCJul 18, 05:55 UTC4h 56m
2026-07-17 ICE623 KEF → EWR Jul 17, 17:25 UTCJul 17, 22:55 UTC5h 30m
2026-07-17 ICE5BK BGO → KEF Jul 17, 13:15 UTCJul 17, 15:29 UTC2h 15m
2026-07-17 ICE4BE KEF → BGO Jul 17, 10:15 UTCJul 17, 12:10 UTC1h 55m
2026-07-17 ICE201 CPH → KEF Jul 17, 05:39 UTCJul 17, 08:40 UTC3h 0m
2026-07-17 ICE202 KEF → CPH Jul 17, 01:25 UTCJul 17, 04:10 UTC2h 45m
2026-07-16 ICE63L - Jul 16, 15:14 UTCJul 16, 19:45 UTC4h 30m
2026-07-16 ICE62L - Jul 16, 08:45 UTCJul 16, 13:10 UTC4h 25m
2026-07-16 ICE614 - Jul 16, 06:55 UTCJul 16, 07:10 UTC15m
2026-07-16 ICE614 - Jul 16, 02:10 UTCJul 16, 03:40 UTC1h 30m
2026-07-15 ICE615 - Jul 15, 18:25 UTCJul 16, 00:05 UTC5h 40m
2026-07-15 ICE537 PRG → KEF Jul 15, 13:05 UTCJul 15, 16:25 UTC3h 20m
2026-07-15 ICE536 KEF → PRG Jul 15, 08:00 UTCJul 15, 11:30 UTC3h 30m
2026-07-15 ICE664 - Jul 15, 05:45 UTCJul 15, 06:05 UTC20m
2026-07-14 ICE664 - Jul 14, 23:00 UTCJul 15, 00:55 UTC1h 55m
2026-07-14 ICE663 KEF → PDX Jul 14, 10:55 UTCJul 14, 18:55 UTC8h 0m
2026-07-14 ICE201 CPH → KEF Jul 14, 05:35 UTCJul 14, 08:30 UTC2h 55m

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-IAB page for operator, model, and routing details .

Mode-S 4CC578 frequently asked

What is Mode-S code 4CC578?
4CC578 is an ICAO 24-bit transponder address. Assigned to TF-IAB.
Is 4CC578 broadcasting right now?
Yes. Mode-S 4CC578 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CC578, octal 23142570, decimal 5,031,288.
What flights does 4CC578 operate?
Mode-S 4CC578 has broadcast 20 distinct callsigns, including ICE615, ICE614, ICE623, ICE622, ICE820.