Apparatus

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sensors Mode-S transponder

7100B0

ICAO 24-bit transponder address · allocated to Saudi Arabia

Currently assigned to HZ-ASU · AIRBUS A-321

Hex
7100B0
Octal
34200260
Decimal
7,405,744
Country
SA
Tail
HZ-ASU
Type
A321
No current signal · last broadcast 12d ago
Flights observed
51
Distinct callsigns
20
Country
SA
Last broadcast
12d ago

Last known position

Most recent position reported by Mode-S 7100B0.

Country allocation

The ICAO 24-bit address 7100B0 falls within the block assigned to Saudi Arabia (SA) by ICAO Annex 10, Volume III. Every aircraft registered in Saudi Arabia 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
SVA411 Saudi Arabian Airlines 16 2026-07-14
SVA410 - 10 2026-07-14
SVA331 - 3 2026-07-06
SVA638 Saudi Arabian Airlines 2 2026-05-31
SVA632 - 2 2026-07-14
SVA332 - 2 2026-07-07
SVA637 Saudi Arabian Airlines 1 2026-05-31
SVA631 - 1 2026-07-14
SVA571 Saudi Arabian Airlines 1 2026-05-05
SVA570 Saudi Arabian Airlines 1 2026-05-04
SVA334 Saudi Arabian Airlines 1 2026-05-29
SVA333 Saudi Arabian Airlines 1 2026-05-29
SVA319 Saudi Arabian Airlines 1 2026-05-11
SVA266 Saudi Arabian Airlines 1 2026-05-14
SVA265 Saudi Arabian Airlines 1 2026-05-14
SVA1904 Saudi Arabian Airlines 1 2026-07-22
SVA1332 - 1 2026-07-20
SVA1129 Saudi Arabian Airlines 1 2026-05-02
SVA1128 Saudi Arabian Airlines 1 2026-06-13
SVA1127 Saudi Arabian Airlines 1 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-22 SVA1904 TIF → RUH Jul 22, 19:40 UTCJul 22, 19:50 UTC10m
2026-07-20 SVA1332 - Jul 20, 11:40 UTCJul 20, 11:50 UTC10m
2026-07-14 SVA410 - Jul 14, 17:45 UTCJul 14, 18:15 UTC30m
2026-07-14 SVA411 JED → HBE Jul 14, 15:30 UTCJul 14, 16:15 UTC45m
2026-07-14 SVA632 - Jul 14, 10:35 UTCJul 14, 10:55 UTC20m
2026-07-14 SVA631 - Jul 14, 08:40 UTCJul 14, 09:00 UTC20m
2026-07-11 SVA410 - Jul 11, 17:35 UTCJul 11, 18:05 UTC30m
2026-07-11 SVA411 JED → HBE Jul 11, 15:30 UTCJul 11, 16:15 UTC45m
2026-07-09 SVA410 - Jul 9, 17:50 UTCJul 9, 18:20 UTC30m
2026-07-09 SVA411 JED → HBE Jul 9, 15:50 UTCJul 9, 16:25 UTC35m
2026-07-07 SVA332 - Jul 7, 08:55 UTCJul 7, 09:10 UTC15m
2026-07-06 SVA331 - Jul 6, 17:45 UTCJul 7, 07:25 UTC13h 40m
2026-07-06 SVA411 JED → HBE Jul 6, 15:30 UTCJul 6, 16:10 UTC40m
2026-07-01 SVA410 - Jul 1, 17:50 UTCJul 1, 18:10 UTC20m
2026-07-01 SVA411 JED → HBE Jul 1, 15:35 UTCJul 1, 16:15 UTC40m
2026-06-24 SVA410 HBE → JED Jun 24, 17:34 UTCJun 24, 18:09 UTC35m
2026-06-24 SVA411 JED → HBE Jun 24, 15:35 UTCJun 24, 16:19 UTC45m
2026-06-17 SVA410 HBE → JED Jun 17, 17:40 UTCJun 17, 18:05 UTC25m
2026-06-17 SVA411 JED → HBE Jun 17, 15:25 UTCJun 17, 16:05 UTC40m
2026-06-16 SVA411 JED → HBE Jun 16, 18:05 UTCJun 17, 16:05 UTC22h 1m
2026-06-16 SVA411 JED → HBE Jun 16, 17:40 UTCJun 17, 16:00 UTC22h 21m
2026-06-16 SVA411 JED → HBE Jun 16, 15:24 UTCJun 16, 16:10 UTC45m
2026-06-16 SVA632 AMM → JED Jun 16, 10:40 UTCJun 16, 10:55 UTC15m
2026-06-15 SVA410 HBE → JED Jun 15, 17:45 UTCJun 15, 18:20 UTC35m
2026-06-15 SVA411 JED → HBE Jun 15, 15:30 UTCJun 15, 16:15 UTC45m
2026-06-13 SVA1128 JED → DMM Jun 13, 23:30 UTCJun 13, 23:40 UTC10m
2026-06-05 SVA410 HBE → JED Jun 5, 17:40 UTCJun 5, 18:05 UTC25m
2026-06-05 SVA411 JED → HBE Jun 5, 15:50 UTCJun 5, 16:30 UTC40m
2026-06-04 SVA411 JED → HBE Jun 4, 18:05 UTCJun 5, 16:30 UTC22h 25m
2026-06-04 SVA410 HBE → JED Jun 4, 17:55 UTCJun 5, 16:00 UTC22h 5m
2026-06-04 SVA411 JED → HBE Jun 4, 08:45 UTCJun 4, 16:25 UTC7h 40m
2026-06-04 SVA331 JED → HBE Jun 4, 06:30 UTCJun 4, 07:10 UTC40m
2026-05-31 SVA638 AMM → RUH May 31, 19:30 UTCMay 31, 19:45 UTC15m
2026-05-31 SVA637 RUH → AMM May 31, 17:50 UTCMay 31, 18:05 UTC15m
2026-05-29 SVA334 HBE → RUH May 29, 20:05 UTCMay 29, 20:40 UTC35m
2026-05-29 SVA333 RUH → HBE May 29, 18:05 UTCMay 29, 18:55 UTC50m
2026-05-22 SVA638 - May 22, 19:30 UTCMay 22, 19:40 UTC10m
2026-05-15 SVA410 HBE → JED May 15, 17:35 UTCMay 15, 18:05 UTC30m
2026-05-15 SVA411 JED → HBE May 15, 15:35 UTCMay 15, 16:10 UTC35m
2026-05-14 SVA266 IST → JED May 14, 09:35 UTCMay 14, 11:20 UTC1h 45m
2026-05-14 SVA265 JED → IST May 14, 05:50 UTCMay 14, 07:05 UTC1h 15m
2026-05-12 SVA332 HBE → JED May 12, 09:00 UTCMay 12, 09:15 UTC15m
2026-05-12 SVA331 JED → HBE May 12, 06:45 UTCMay 12, 07:10 UTC25m
2026-05-11 SVA319 MED → CAI May 11, 12:20 UTCMay 11, 12:30 UTC10m
2026-05-06 SVA1125 DMM → JED May 6, 17:20 UTCMay 6, 17:35 UTC14m
2026-05-06 SVA1127 DMM → JED May 6, 01:20 UTCMay 6, 01:40 UTC20m
2026-05-05 SVA571 AUH → JED May 5, 12:45 UTCMay 5, 23:50 UTC11h 5m
2026-05-04 SVA570 RUH → AUH May 4, 17:55 UTCMay 5, 10:35 UTC16h 41m
2026-05-04 SVA411 JED → HBE May 4, 15:40 UTCMay 4, 16:05 UTC25m
2026-05-02 SVA1129 DMM → JED May 2, 19:25 UTCMay 2, 19:35 UTC10m

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 HZ-ASU page for operator, model, and routing details .

Mode-S 7100B0 frequently asked

What is Mode-S code 7100B0?
7100B0 is an ICAO 24-bit transponder address. Allocated to Saudi Arabia. Assigned to HZ-ASU.
Where is Mode-S 7100B0 registered?
Mode-S code 7100B0 is allocated to Saudi Arabia (SA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7100B0 broadcasting right now?
No active broadcast right now. Last signal was 12d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7100B0, octal 34200260, decimal 7,405,744.
What flights does 7100B0 operate?
Mode-S 7100B0 has broadcast 20 distinct callsigns, including SVA411, SVA410, SVA331, SVA638, SVA632.