sensors Mode-S transponder

01023C

ICAO 24-bit transponder address · allocated to Egypt

Currently assigned to SU-BUT · AIRBUS A-320neo

Hex
01023C
Octal
00201074
Decimal
66,108
Country
EG
Tail
SU-BUT
Type
A20N
No current signal · last broadcast 16h ago
Flights observed
193
Distinct callsigns
20
Country
EG
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 01023C.

Country allocation

The ICAO 24-bit address 01023C falls within the block assigned to Egypt (EG) by ICAO Annex 10, Volume III. Every aircraft registered in Egypt receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
MSC2980 - 13 2026-06-19
MSC2974 - 10 2026-06-28
MSC2991 - 8 2026-06-30
MSC2981 - 7 2026-06-26
MSC2960 - 7 2026-07-13
MSC2933 - 7 2026-07-11
MSC2932 - 7 2026-06-17
MSC2975 - 5 2026-06-29
MSC2961 - 5 2026-07-13
MSC2950 Air Cairo 5 2026-05-30
MSC2990 Air Cairo 4 2026-05-21
MSC2921 Air Cairo 4 2026-06-09
MSC2920 Air Cairo 4 2026-04-28
MSC3902 - 3 2026-06-28
MSC3901 Air Cairo 3 2026-06-28
MSC388 Air Cairo 3 2026-04-24
MSC3701 - 3 2026-05-10
MSC3062 - 3 2026-05-16
MSC2992 - 3 2026-07-08
MSC2976 - 3 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 MSC171 - Jul 13, 19:55 UTCJul 13, 20:15 UTC20m
2026-07-13 MSC2961 - Jul 13, 13:40 UTCJul 13, 17:25 UTC3h 45m
2026-07-13 MSC2960 NUE → BER Jul 13, 01:45 UTCJul 13, 12:15 UTC10h 30m
2026-07-12 MSC2964 BER → NUE Jul 12, 13:40 UTCJul 13, 00:20 UTC10h 40m
2026-07-11 MSC2960 - Jul 11, 17:05 UTCJul 12, 12:15 UTC19h 10m
2026-07-11 MSC2960 - Jul 11, 16:05 UTCJul 12, 12:15 UTC20h 10m
2026-07-11 MSC2933 HAJ → STR Jul 11, 02:15 UTCJul 11, 14:10 UTC11h 55m
2026-07-10 MSC2938 FRA → HAJ Jul 10, 13:30 UTCJul 11, 00:30 UTC11h 0m
2026-07-09 MSC2940 STR → FRA Jul 9, 17:35 UTCJul 10, 11:40 UTC18h 5m
2026-07-09 MSC2952 RMF → STR Jul 9, 05:35 UTCJul 9, 15:45 UTC10h 10m
2026-07-08 MSC2976 VIE → LEJ Jul 8, 16:10 UTCJul 9, 03:50 UTC11h 40m
2026-07-08 MSC2992 - Jul 8, 11:45 UTCJul 8, 14:45 UTC3h 0m
2026-07-07 MSC2992 - Jul 7, 17:15 UTCJul 8, 14:45 UTC21h 30m
2026-07-07 MSC2992 - Jul 7, 15:05 UTCJul 8, 14:45 UTC23h 40m
2026-07-07 MSC2999 MUC → RMF Jul 7, 14:30 UTCJul 8, 13:00 UTC22h 30m
2026-07-07 MSC2987 NUE → MUC Jul 7, 00:20 UTCJul 7, 12:40 UTC12h 20m
2026-07-06 MSC2977 LEJ → NUE Jul 6, 11:30 UTCJul 6, 23:10 UTC11h 40m
2026-07-05 MSC2976 - Jul 5, 15:05 UTCJul 6, 09:55 UTC18h 50m
2026-07-05 MSC2976 - Jul 5, 12:55 UTCJul 6, 09:55 UTC21h 0m
2026-07-04 MSC2923 ZRH → MUC Jul 4, 18:20 UTCJul 5, 11:10 UTC16h 50m
2026-07-04 MSC2993 VIE → ZRH Jul 4, 06:35 UTCJul 4, 16:40 UTC10h 5m
2026-07-03 MSC3558 BTS → VIE Jul 3, 18:40 UTCJul 4, 05:10 UTC10h 30m
2026-07-03 MSC3557 - Jul 3, 14:40 UTCJul 3, 17:05 UTC2h 25m
2026-07-02 MSC3557 - Jul 2, 19:05 UTCJul 3, 17:05 UTC22h 0m
2026-07-02 MSC3618 - Jul 2, 17:20 UTCJul 3, 17:00 UTC23h 40m
2026-07-02 MSC3614 - Jul 2, 06:41 UTCJul 2, 16:10 UTC9h 29m
2026-07-01 MSC554 PRG → POZ Jul 1, 19:00 UTCJul 2, 05:00 UTC10h 0m
2026-07-01 MSC553 - Jul 1, 05:55 UTCJul 1, 16:55 UTC11h 0m
2026-06-30 MSC995 - Jun 30, 09:05 UTCJul 1, 04:20 UTC19h 15m
2026-06-30 MSC2991 - Jun 30, 07:05 UTCJul 1, 04:20 UTC21h 15m
2026-06-30 MSC2991 - Jun 30, 06:25 UTCJul 1, 04:20 UTC21h 55m
2026-06-29 MSC2975 LEJ → VIE Jun 29, 18:14 UTCJun 30, 04:35 UTC10h 21m
2026-06-28 MSC2974 - Jun 28, 21:04 UTCJun 29, 16:44 UTC19h 40m
2026-06-28 MSC2974 - Jun 28, 19:04 UTCJun 29, 16:44 UTC21h 40m
2026-06-28 MSC3902 - Jun 28, 17:44 UTCJun 29, 16:44 UTC23h 0m
2026-06-28 MSC3901 AAR → AAR Jun 28, 15:44 UTCJun 28, 16:00 UTC15m
2026-06-28 MSC2969 - Jun 28, 03:09 UTCJun 28, 13:59 UTC10h 50m
2026-06-27 MSC2975 LEJ → PAD Jun 27, 15:10 UTCJun 28, 02:05 UTC10h 55m
2026-06-26 MSC2974 - Jun 26, 19:04 UTCJun 27, 13:40 UTC18h 35m
2026-06-26 MSC2974 - Jun 26, 17:04 UTCJun 27, 13:40 UTC20h 35m
2026-06-26 MSC2981 - Jun 26, 16:30 UTCJun 27, 13:40 UTC21h 10m
2026-06-26 MSC2935 HAJ → DUS Jun 26, 02:00 UTCJun 26, 13:30 UTC11h 30m
2026-06-25 MSC2934 VIE → HAJ Jun 25, 13:24 UTCJun 26, 00:24 UTC11h 0m
2026-06-25 MSC2913 - Jun 25, 01:19 UTCJun 25, 11:54 UTC10h 35m
2026-06-24 MSC2912 - Jun 24, 07:30 UTCJun 24, 23:45 UTC16h 15m
2026-06-24 MSC3997 - Jun 24, 03:15 UTCJun 24, 04:59 UTC1h 45m
2026-06-22 MSC2931 MUC → HRG Jun 22, 14:34 UTCJun 22, 17:50 UTC3h 15m
2026-06-22 MSC2930 - Jun 22, 02:34 UTCJun 22, 12:54 UTC10h 20m
2026-06-21 MSC2908 MUC → ERF Jun 21, 16:19 UTCJun 22, 01:35 UTC9h 15m
2026-06-21 MSC2969 - Jun 21, 03:05 UTCJun 21, 13:50 UTC10h 45m

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 SU-BUT page for operator, model, and routing details .

Mode-S 01023C frequently asked

What is Mode-S code 01023C?
01023C is an ICAO 24-bit transponder address. Allocated to Egypt. Assigned to SU-BUT.
Where is Mode-S 01023C registered?
Mode-S code 01023C is allocated to Egypt (EG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 01023C broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 01023C, octal 00201074, decimal 66,108.
What flights does 01023C operate?
Mode-S 01023C has broadcast 20 distinct callsigns, including MSC2980, MSC2974, MSC2991, MSC2981, MSC2960.