sensors Mode-S transponder

0101A4

ICAO 24-bit transponder address · allocated to Egypt

Currently assigned to SU-CCB · BOMBARDIER Regional Jet CRJ-900

Hex
0101A4
Octal
00200644
Decimal
65,956
Country
EG
Tail
SU-CCB
Type
CRJ9
No current signal · last broadcast 2d ago
Flights observed
84
Distinct callsigns
16
Country
EG
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 0101A4.

Country allocation

The ICAO 24-bit address 0101A4 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 16 distinct

Callsign Airline Flights Last seen
PER002 - 24 2026-07-08
PER001 - 23 2026-07-08
PER991 - 7 2026-07-09
PER003 - 6 2026-06-14
PER004 - 5 2026-06-14
PER993 - 3 2026-06-14
PER992 - 3 2026-06-29
PER996 - 2 2026-05-12
PER994 - 2 2026-06-01
PER101 - 2 2026-07-10
PER100 - 2 2026-07-10
PER998 - 1 2026-04-22
PER997 - 1 2026-04-24
PER913 - 1 2026-07-12
PER030 - 1 2026-05-31
PER028 - 1 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 PER913 - Jul 12, 08:01 UTCJul 12, 08:10 UTC10m
2026-07-10 PER101 - Jul 10, 18:55 UTCJul 10, 19:35 UTC40m
2026-07-10 PER100 - Jul 10, 16:30 UTCJul 10, 16:50 UTC20m
2026-07-10 PER028 - Jul 10, 03:35 UTCJul 10, 09:35 UTC6h 0m
2026-07-09 PER991 - Jul 9, 05:20 UTCJul 9, 05:30 UTC10m
2026-07-08 PER002 - Jul 8, 14:55 UTCJul 8, 15:35 UTC40m
2026-07-08 PER001 - Jul 8, 12:30 UTCJul 8, 13:25 UTC55m
2026-07-07 PER002 - Jul 7, 14:50 UTCJul 7, 15:45 UTC55m
2026-07-07 PER001 - Jul 7, 12:20 UTCJul 7, 13:15 UTC55m
2026-07-06 PER002 - Jul 6, 15:00 UTCJul 6, 16:00 UTC1h 0m
2026-07-06 PER001 - Jul 6, 12:45 UTCJul 6, 13:45 UTC1h 0m
2026-07-05 PER002 - Jul 5, 14:50 UTCJul 5, 15:50 UTC1h 0m
2026-07-05 PER001 - Jul 5, 12:35 UTCJul 5, 13:30 UTC55m
2026-07-04 PER002 - Jul 4, 15:10 UTCJul 4, 16:05 UTC55m
2026-07-04 PER001 - Jul 4, 12:35 UTCJul 4, 13:35 UTC1h 0m
2026-07-03 PER002 - Jul 3, 14:50 UTCJul 3, 15:45 UTC55m
2026-07-03 PER001 - Jul 3, 12:25 UTCJul 3, 13:20 UTC55m
2026-07-02 PER002 - Jul 2, 14:50 UTCJul 2, 15:45 UTC55m
2026-07-02 PER001 - Jul 2, 12:20 UTCJul 2, 13:20 UTC1h 0m
2026-07-01 PER002 - Jul 1, 14:30 UTCJul 1, 15:25 UTC55m
2026-07-01 PER001 - Jul 1, 12:25 UTCJul 1, 13:20 UTC55m
2026-06-30 PER002 - Jun 30, 14:40 UTCJun 30, 15:35 UTC55m
2026-06-30 PER001 - Jun 30, 12:25 UTCJun 30, 13:20 UTC55m
2026-06-29 PER992 - Jun 29, 18:49 UTCJun 29, 19:00 UTC10m
2026-06-29 PER991 - Jun 29, 05:24 UTCJun 29, 05:45 UTC20m
2026-06-28 PER002 - Jun 28, 14:25 UTCJun 28, 15:20 UTC55m
2026-06-28 PER001 - Jun 28, 12:09 UTCJun 28, 13:04 UTC55m
2026-06-26 PER002 - Jun 26, 14:25 UTCJun 26, 15:20 UTC55m
2026-06-26 PER001 - Jun 26, 12:14 UTCJun 26, 13:04 UTC50m
2026-06-24 PER002 - Jun 24, 14:15 UTCJun 24, 15:05 UTC50m
2026-06-24 PER001 - Jun 24, 12:14 UTCJun 24, 13:05 UTC50m
2026-06-23 PER002 - Jun 23, 14:49 UTCJun 23, 15:40 UTC50m
2026-06-23 PER001 - Jun 23, 12:29 UTCJun 23, 13:24 UTC55m
2026-06-22 PER002 - Jun 22, 14:40 UTCJun 22, 15:29 UTC50m
2026-06-22 PER001 - Jun 22, 12:30 UTCJun 22, 13:25 UTC55m
2026-06-21 PER002 - Jun 21, 14:44 UTCJun 21, 15:44 UTC1h 0m
2026-06-21 PER001 - Jun 21, 12:24 UTCJun 21, 13:15 UTC50m
2026-06-20 PER992 - Jun 20, 18:34 UTCJun 20, 18:49 UTC15m
2026-06-20 PER991 - Jun 20, 05:24 UTCJun 20, 05:49 UTC25m
2026-06-19 PER002 - Jun 19, 14:59 UTCJun 19, 16:04 UTC1h 5m
2026-06-19 PER001 - Jun 19, 12:34 UTCJun 19, 13:34 UTC1h 0m
2026-06-18 PER002 - Jun 18, 15:20 UTCJun 18, 16:10 UTC50m
2026-06-18 PER001 - Jun 18, 12:30 UTCJun 18, 13:30 UTC1h 0m
2026-06-17 PER002 - Jun 17, 14:50 UTCJun 17, 15:50 UTC1h 0m
2026-06-17 PER001 - Jun 17, 12:30 UTCJun 17, 13:20 UTC50m
2026-06-16 PER992 - Jun 16, 18:35 UTCJun 16, 19:00 UTC25m
2026-06-16 PER991 - Jun 16, 07:50 UTCJun 16, 08:05 UTC15m
2026-06-15 PER002 - Jun 15, 14:50 UTCJun 15, 15:55 UTC1h 5m
2026-06-15 PER001 - Jun 15, 12:25 UTCJun 15, 13:20 UTC55m
2026-06-14 PER004 - Jun 14, 16:55 UTCJun 14, 17:50 UTC55m

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

Mode-S 0101A4 frequently asked

What is Mode-S code 0101A4?
0101A4 is an ICAO 24-bit transponder address. Allocated to Egypt. Assigned to SU-CCB.
Where is Mode-S 0101A4 registered?
Mode-S code 0101A4 is allocated to Egypt (EG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0101A4 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0101A4, octal 00200644, decimal 65,956.
What flights does 0101A4 operate?
Mode-S 0101A4 has broadcast 16 distinct callsigns, including PER002, PER001, PER991, PER003, PER004.