sensors Mode-S transponder

4CC57F

ICAO 24-bit transponder address

Currently assigned to TF-HAH · AEROSPATIALE AS-350 Ecureuil

Hex
4CC57F
Octal
23142577
Decimal
5,031,295
Tail
TF-HAH
Type
AS50
No current signal · last broadcast 4h ago
Flights observed
37
Distinct callsigns
1
Country
-
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 4CC57F.

Callsign history 1 distinct

Callsign Airline Flights Last seen
TFHAH - 37 2026-07-04

Recent flights last 37

DateFlightRouteTakeoffLandingDuration
2026-07-04 TFHAH - Jul 4, 17:35 UTCJul 4, 17:45 UTC10m
2026-07-04 TFHAH - Jul 4, 15:45 UTCJul 4, 16:40 UTC55m
2026-07-04 TFHAH - Jul 4, 14:30 UTCJul 4, 14:40 UTC10m
2026-07-04 TFHAH - Jul 4, 13:40 UTCJul 4, 13:50 UTC10m
2026-07-04 TFHAH - Jul 4, 10:35 UTCJul 4, 10:45 UTC10m
2026-07-04 TFHAH RKV → RKV Jul 4, 09:05 UTCJul 4, 09:50 UTC45m
2026-07-03 TFHAH - Jul 3, 18:05 UTCJul 3, 18:20 UTC15m
2026-07-03 TFHAH - Jul 3, 09:50 UTCJul 3, 10:00 UTC10m
2026-06-25 TFHAH - Jun 25, 10:09 UTCJun 25, 10:25 UTC15m
2026-06-25 TFHAH - Jun 25, 08:50 UTCJun 25, 08:55 UTC5m
2026-06-24 TFHAH - Jun 24, 18:44 UTCJun 24, 18:55 UTC10m
2026-06-24 TFHAH - Jun 24, 16:45 UTCJun 24, 17:05 UTC20m
2026-06-24 TFHAH - Jun 24, 15:44 UTCJun 24, 16:09 UTC25m
2026-06-24 TFHAH - Jun 24, 11:45 UTCJun 24, 11:54 UTC10m
2026-06-23 TFHAH - Jun 23, 14:15 UTCJun 23, 14:44 UTC30m
2026-06-22 TFHAH - Jun 22, 08:19 UTCJun 22, 08:29 UTC10m
2026-06-21 TFHAH - Jun 21, 14:05 UTCJun 21, 14:40 UTC35m
2026-06-21 TFHAH - Jun 21, 10:25 UTCJun 21, 10:54 UTC30m
2026-06-20 TFHAH - Jun 20, 13:24 UTCJun 20, 13:39 UTC15m
2026-06-20 TFHAH - Jun 20, 10:29 UTCJun 20, 10:39 UTC10m
2026-06-19 TFHAH - Jun 19, 18:14 UTCJun 19, 18:25 UTC10m
2026-06-19 TFHAH - Jun 19, 15:24 UTCJun 19, 15:34 UTC10m
2026-06-19 TFHAH - Jun 19, 12:49 UTCJun 19, 12:59 UTC10m
2026-06-19 TFHAH - Jun 19, 11:49 UTCJun 19, 12:14 UTC25m
2026-06-19 TFHAH - Jun 19, 10:39 UTCJun 19, 10:50 UTC10m
2026-06-18 TFHAH - Jun 18, 14:05 UTCJun 18, 14:35 UTC30m
2026-06-18 TFHAH - Jun 18, 12:15 UTCJun 18, 12:25 UTC10m
2026-05-21 TFHAH - May 21, 17:15 UTCMay 21, 17:25 UTC10m
2026-05-21 TFHAH - May 21, 11:15 UTCMay 21, 12:00 UTC45m
2026-05-21 TFHAH - May 21, 10:20 UTCMay 21, 10:30 UTC10m
2026-05-20 TFHAH - May 20, 20:40 UTCMay 20, 20:45 UTC5m
2026-05-20 TFHAH - May 20, 17:25 UTCMay 20, 17:30 UTC5m
2026-05-20 TFHAH - May 20, 12:40 UTCMay 20, 12:45 UTC5m
2026-05-20 TFHAH - May 20, 11:20 UTCMay 20, 11:25 UTC5m
2026-05-19 TFHAH - May 19, 14:05 UTCMay 19, 14:15 UTC10m
2026-05-19 TFHAH - May 19, 10:45 UTCMay 19, 11:00 UTC15m
2026-05-18 TFHAH - May 18, 14:05 UTCMay 18, 14:10 UTC5m

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

Mode-S 4CC57F frequently asked

What is Mode-S code 4CC57F?
4CC57F is an ICAO 24-bit transponder address. Assigned to TF-HAH.
Is 4CC57F broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CC57F, octal 23142577, decimal 5,031,295.
What flights does 4CC57F operate?
Mode-S 4CC57F has broadcast 1 distinct callsign, including TFHAH.