sensors Mode-S transponder

01023D

ICAO 24-bit transponder address · allocated to Egypt

Currently assigned to SU-BUU · AIRBUS A-320

Hex
01023D
Octal
00201075
Decimal
66,109
Country
EG
Tail
SU-BUU
Type
A320
No current signal · last broadcast 5h ago
Flights observed
124
Distinct callsigns
20
Country
EG
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 01023D.

Country allocation

The ICAO 24-bit address 01023D 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
MSC501 - 7 2026-07-10
MSC215 Air Cairo 6 2026-05-28
MSC502 - 5 2026-07-10
MSC452 Air Cairo 5 2026-05-13
MSC806 - 4 2026-07-08
MSC476 - 4 2026-07-05
MSC216 Air Cairo 4 2026-05-29
MSC805 - 3 2026-07-08
MSC804 - 3 2026-07-10
MSC803 - 3 2026-07-10
MSC470 - 3 2026-07-07
MSC469 - 3 2026-07-11
MSC441 - 3 2026-07-13
MSC330 - 3 2026-07-11
MSC322 Air Cairo 3 2026-07-04
MSC303 Air Cairo 3 2026-06-03
MSC231 - 3 2026-07-13
MSC815 Air Cairo 2 2026-05-31
MSC480 Air Cairo 2 2026-06-02
MSC478 Air Cairo 2 2026-05-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 MSC442 - Jul 14, 02:20 UTCJul 14, 06:15 UTC3h 55m
2026-07-13 MSC232 MJI → CAI Jul 13, 13:55 UTCJul 13, 15:45 UTC1h 50m
2026-07-13 MSC231 - Jul 13, 09:55 UTCJul 13, 12:10 UTC2h 15m
2026-07-13 MSC441 - Jul 13, 03:25 UTCJul 13, 07:10 UTC3h 45m
2026-07-13 MSC460 - Jul 13, 01:15 UTCJul 13, 01:45 UTC30m
2026-07-12 MSC459 - Jul 12, 21:20 UTCJul 12, 21:30 UTC10m
2026-07-12 MSC602 CGN → CAI Jul 12, 16:01 UTCJul 12, 19:50 UTC3h 50m
2026-07-12 MSC601 - Jul 12, 09:25 UTCJul 12, 13:25 UTC4h 0m
2026-07-11 MSC330 - Jul 11, 18:15 UTCJul 12, 00:10 UTC5h 55m
2026-07-11 MSC467 - Jul 11, 10:50 UTCJul 11, 16:35 UTC5h 45m
2026-07-11 MSC469 - Jul 11, 02:10 UTCJul 11, 07:45 UTC5h 35m
2026-07-10 MSC804 MXP → CAI Jul 10, 17:05 UTCJul 10, 20:20 UTC3h 15m
2026-07-10 MSC803 - Jul 10, 11:30 UTCJul 10, 14:35 UTC3h 5m
2026-07-10 MSC502 - Jul 10, 06:35 UTCJul 10, 09:15 UTC2h 40m
2026-07-10 MSC501 - Jul 10, 01:55 UTCJul 10, 04:55 UTC3h 0m
2026-07-09 MSC027 - Jul 9, 20:15 UTCJul 9, 20:30 UTC15m
2026-07-09 MSC467 - Jul 9, 08:20 UTCJul 9, 13:50 UTC5h 30m
2026-07-08 MSC806 - Jul 8, 14:30 UTCJul 8, 17:35 UTC3h 5m
2026-07-08 MSC805 - Jul 8, 09:25 UTCJul 8, 12:40 UTC3h 15m
2026-07-08 MSC443 - Jul 8, 00:25 UTCJul 8, 06:05 UTC5h 40m
2026-07-07 MSC470 - Jul 7, 12:20 UTCJul 7, 17:25 UTC5h 5m
2026-07-07 MSC469 - Jul 7, 11:35 UTCJul 7, 12:15 UTC40m
2026-07-07 MSC427 - Jul 7, 03:45 UTCJul 7, 08:10 UTC4h 25m
2026-07-06 MSC469 - Jul 6, 11:55 UTCJul 6, 18:10 UTC6h 15m
2026-07-06 MSC502 - Jul 6, 06:50 UTCJul 6, 09:40 UTC2h 50m
2026-07-06 MSC501 - Jul 6, 02:20 UTCJul 6, 05:20 UTC3h 0m
2026-07-05 MSC494 - Jul 5, 20:05 UTCJul 6, 00:10 UTC4h 5m
2026-07-05 MSC476 - Jul 5, 15:50 UTCJul 5, 16:10 UTC20m
2026-07-05 MSC502 - Jul 5, 06:25 UTCJul 5, 09:20 UTC2h 55m
2026-07-05 MSC501 - Jul 5, 02:00 UTCJul 5, 04:55 UTC2h 55m
2026-07-04 MSC322 AJF → CAI Jul 4, 18:25 UTCJul 4, 18:45 UTC20m
2026-07-04 MSC321 CAI → AJF Jul 4, 15:40 UTCJul 4, 18:15 UTC2h 35m
2026-07-04 MSC476 - Jul 4, 08:55 UTCJul 4, 13:20 UTC4h 25m
2026-07-04 MSC448 - Jul 4, 02:35 UTCJul 4, 06:25 UTC3h 50m
2026-07-03 MSC232 MJI → CAI Jul 3, 15:35 UTCJul 3, 16:00 UTC25m
2026-07-03 MSC231 CAI → MJI Jul 3, 13:25 UTCJul 3, 13:45 UTC20m
2026-07-03 MSC502 - Jul 3, 06:30 UTCJul 3, 11:50 UTC5h 20m
2026-07-03 MSC501 - Jul 3, 02:00 UTCJul 3, 04:50 UTC2h 50m
2026-07-02 MSC441 - Jul 2, 19:15 UTCJul 2, 23:00 UTC3h 45m
2026-06-30 - - Jun 30, 03:10 UTCJun 30, 08:20 UTC5h 10m
2026-06-05 - - Jun 5, 19:25 UTCJun 5, 19:35 UTC10m
2026-06-03 MSC304 SAW → CAI Jun 3, 03:35 UTCJun 3, 05:05 UTC1h 30m
2026-06-03 MSC303 CAI → SAW Jun 3, 00:40 UTCJun 3, 02:15 UTC1h 35m
2026-06-02 MSC480 JED → CAI Jun 2, 16:35 UTCJun 2, 21:15 UTC4h 40m
2026-06-02 MSC476 JED → CAI Jun 2, 08:40 UTCJun 2, 13:25 UTC4h 45m
2026-06-02 MSC441 CAI → YNB Jun 2, 02:15 UTCJun 2, 05:55 UTC3h 40m
2026-06-01 MSC009 - Jun 1, 21:45 UTCJun 1, 22:20 UTC35m
2026-06-01 MSC008 - Jun 1, 19:55 UTCJun 1, 20:10 UTC15m
2026-06-01 MSC2808 - Jun 1, 13:05 UTCJun 1, 18:00 UTC4h 55m
2026-06-01 MSC2807 CAI → FCO Jun 1, 07:15 UTCJun 1, 10:20 UTC3h 5m

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

Mode-S 01023D frequently asked

What is Mode-S code 01023D?
01023D is an ICAO 24-bit transponder address. Allocated to Egypt. Assigned to SU-BUU.
Where is Mode-S 01023D registered?
Mode-S code 01023D is allocated to Egypt (EG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 01023D broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 01023D, octal 00201075, decimal 66,109.
What flights does 01023D operate?
Mode-S 01023D has broadcast 20 distinct callsigns, including MSC501, MSC215, MSC502, MSC452, MSC806.