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sensors Mode-S transponder

7100C1

ICAO 24-bit transponder address · allocated to Saudi Arabia

Currently assigned to HZ-AK33 · BOEING 777-300ER

Hex
7100C1
Octal
34200301
Decimal
7,405,761
Country
SA
Tail
HZ-AK33
Type
B77W
No current signal · last broadcast Jul 26, 19:30 UTC
Flights observed
169
Distinct callsigns
20
Country
SA
Last broadcast
Jul 26, 19:30 UTC

Last known position

Most recent position reported by Mode-S 7100C1.

Country allocation

The ICAO 24-bit address 7100C1 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
SVA802 - 10 2026-07-16
SVA816 - 9 2026-07-22
SVA826 - 8 2026-07-24
SVA806 Saudi Arabian Airlines 8 2026-06-16
SVA804 Saudi Arabian Airlines 8 2026-07-25
SVA827 - 7 2026-07-24
SVA758 Saudi Arabian Airlines 6 2026-07-20
SVA738 Saudi Arabian Airlines 6 2026-07-19
SVA805 Saudi Arabian Airlines 4 2026-07-25
SVA801 Saudi Arabian Airlines 4 2026-06-26
SVA9495 - 3 2026-05-10
SVA810 Saudi Arabian Airlines 3 2026-05-18
SVA803 - 3 2026-07-16
SVA800 - 3 2026-07-13
SVA759 Saudi Arabian Airlines 3 2026-07-20
SVA734 - 3 2026-07-21
SVA726 Saudi Arabian Airlines 3 2026-07-23
SVA5810 - 3 2026-06-08
SVA5398 - 3 2026-06-11
SVA5146 - 3 2026-06-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 SVA805 DAC → JED Jul 25, 22:30 UTCJul 26, 19:30 UTC21h 1m
2026-07-25 SVA805 DAC → JED Jul 25, 20:40 UTCJul 26, 19:30 UTC22h 51m
2026-07-25 SVA804 JED → DAC Jul 25, 13:50 UTCJul 25, 18:50 UTC5h 0m
2026-07-24 SVA804 JED → DAC Jul 24, 21:30 UTCJul 25, 18:50 UTC21h 20m
2026-07-24 SVA827 - Jul 24, 17:55 UTCJul 24, 18:10 UTC15m
2026-07-24 SVA826 - Jul 24, 09:35 UTCJul 24, 15:20 UTC5h 45m
2026-07-23 SVA826 - Jul 23, 17:00 UTCJul 24, 15:20 UTC22h 20m
2026-07-23 SVA726 JED → ISB Jul 23, 06:05 UTCJul 23, 17:50 UTC11h 45m
2026-07-23 SVA817 CGK → JED Jul 23, 02:30 UTCJul 23, 02:45 UTC15m
2026-07-22 SVA816 - Jul 22, 23:45 UTCJul 23, 00:00 UTC15m
2026-07-22 SVA816 - Jul 22, 19:25 UTCJul 22, 23:05 UTC3h 40m
2026-07-21 SVA816 - Jul 21, 22:25 UTCJul 22, 19:55 UTC21h 30m
2026-07-21 SVA816 - Jul 21, 22:05 UTCJul 22, 19:55 UTC21h 50m
2026-07-21 SVA734 - Jul 21, 01:00 UTCJul 21, 19:50 UTC18h 50m
2026-07-20 SVA759 DEL → JED Jul 20, 14:50 UTCJul 21, 06:45 UTC15h 54m
2026-07-20 SVA758 JED → DEL Jul 20, 12:05 UTCJul 20, 12:40 UTC35m
2026-07-19 SVA758 JED → DEL Jul 19, 21:50 UTCJul 20, 10:00 UTC12h 10m
2026-07-19 SVA738 JED → LHE Jul 19, 05:40 UTCJul 19, 19:35 UTC13h 55m
2026-07-18 SVA819 - Jul 18, 15:00 UTCJul 19, 03:20 UTC12h 20m
2026-07-18 SVA818 JED → CGK Jul 18, 02:25 UTCJul 18, 09:15 UTC6h 51m
2026-07-16 SVA803 - Jul 16, 21:10 UTCJul 17, 07:30 UTC10h 20m
2026-07-16 SVA802 - Jul 16, 14:00 UTCJul 16, 18:50 UTC4h 50m
2026-07-15 SVA802 - Jul 15, 22:20 UTCJul 16, 18:50 UTC20h 30m
2026-07-15 SVA802 - Jul 15, 22:05 UTCJul 16, 18:50 UTC20h 45m
2026-07-15 SVA802 - Jul 15, 18:50 UTCJul 16, 18:15 UTC23h 25m
2026-07-15 SVA827 - Jul 15, 18:00 UTCJul 15, 18:10 UTC10m
2026-07-14 SVA826 - Jul 14, 21:00 UTCJul 15, 15:30 UTC18h 29m
2026-07-14 SVA802 - Jul 14, 00:20 UTCJul 14, 18:55 UTC18h 35m
2026-07-14 SVA802 - Jul 14, 00:00 UTCJul 14, 18:55 UTC18h 55m
2026-07-13 SVA800 - Jul 13, 10:35 UTCJul 13, 10:50 UTC15m
2026-07-12 SVA803 - Jul 12, 21:35 UTCJul 13, 08:45 UTC11h 10m
2026-07-11 SVA802 JED → DAC Jul 11, 22:25 UTCJul 12, 19:40 UTC21h 15m
2026-07-11 SVA802 JED → DAC Jul 11, 22:01 UTCJul 12, 19:40 UTC21h 40m
2026-07-11 SVA809 - Jul 11, 07:40 UTCJul 11, 19:40 UTC12h 0m
2026-07-10 SVA808 - Jul 10, 14:40 UTCJul 11, 05:31 UTC14h 51m
2026-07-10 SVA819 - Jul 10, 11:05 UTCJul 10, 11:15 UTC10m
2026-07-10 SVA818 - Jul 10, 00:50 UTCJul 10, 08:55 UTC8h 5m
2026-07-08 SVA726 JED → ISB Jul 8, 06:00 UTCJul 8, 18:05 UTC12h 5m
2026-07-08 SVA817 - Jul 8, 02:30 UTCJul 8, 02:40 UTC10m
2026-07-07 SVA816 - Jul 7, 08:00 UTCJul 8, 00:20 UTC16h 20m
2026-07-07 SVA816 - Jul 7, 05:45 UTCJul 8, 00:20 UTC18h 35m
2026-07-06 SVA734 - Jul 6, 14:50 UTCJul 7, 03:15 UTC12h 25m
2026-07-06 SVA758 JED → DEL Jul 6, 00:10 UTCJul 6, 12:30 UTC12h 20m
2026-07-05 SVA758 JED → DEL Jul 5, 16:45 UTCJul 6, 12:30 UTC19h 45m
2026-07-05 SVA738 JED → LHE Jul 5, 06:20 UTCJul 6, 00:25 UTC18h 5m
2026-07-05 SVA816 - Jul 5, 00:00 UTCJul 5, 00:15 UTC15m
2026-07-04 SVA816 - Jul 4, 16:10 UTCJul 4, 23:25 UTC7h 15m
2026-07-04 SVA816 - Jul 4, 00:30 UTCJul 4, 23:25 UTC22h 55m
2026-07-03 SVA700 - Jul 3, 16:20 UTCJul 4, 16:15 UTC23h 55m
2026-07-03 SVA759 DEL → JED Jul 3, 14:55 UTCJul 4, 01:25 UTC10h 30m

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-AK33 page for operator, model, and routing details .

Mode-S 7100C1 frequently asked

What is Mode-S code 7100C1?
7100C1 is an ICAO 24-bit transponder address. Allocated to Saudi Arabia. Assigned to HZ-AK33.
Where is Mode-S 7100C1 registered?
Mode-S code 7100C1 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 7100C1 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7100C1, octal 34200301, decimal 7,405,761.
What flights does 7100C1 operate?
Mode-S 7100C1 has broadcast 20 distinct callsigns, including SVA802, SVA816, SVA826, SVA806, SVA804.