Apparatus

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sensors Mode-S transponder

7100C8

ICAO 24-bit transponder address · allocated to Saudi Arabia

Currently assigned to HZ-AK36 · BOEING 777-300ER

Hex
7100C8
Octal
34200310
Decimal
7,405,768
Country
SA
Tail
HZ-AK36
Type
B77W
Broadcasting now · callsign SVA111 · 36,000 ft
Flights observed
85
Distinct callsigns
16
Country
SA
Last broadcast
1h ago

Current position

7100C8 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 7100C8 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 16 distinct

Callsign Airline Flights Last seen
SVA021 Saudi Arabian Airlines 15 2026-05-17
SVA037 Saudi Arabian Airlines 12 2026-06-01
SVA020 Saudi Arabian Airlines 10 2026-05-18
SVA038 Saudi Arabian Airlines 8 2026-06-02
SVA023 Saudi Arabian Airlines 8 2026-05-30
SVA143 Saudi Arabian Airlines 7 2026-05-27
SVA122 Saudi Arabian Airlines 5 2026-05-24
SVA111 Saudi Arabian Airlines 4 2026-05-22
SVA121 Saudi Arabian Airlines 3 2026-05-23
SVA022 Saudi Arabian Airlines 3 2026-05-30
SVA144 Saudi Arabian Airlines 2 2026-04-25
SVA119 Saudi Arabian Airlines 2 2026-05-04
SVA110 Saudi Arabian Airlines 2 2026-05-22
SVA036 Saudi Arabian Airlines 2 2026-04-19
SVA109 Saudi Arabian Airlines 1 2026-05-30
SVA035 Saudi Arabian Airlines 1 2026-04-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 SVA038 IAD → RUH Jun 2, 04:30 UTCJun 3, 02:00 UTC21h 30m
2026-06-01 SVA038 IAD → RUH Jun 1, 23:10 UTCJun 2, 08:55 UTC9h 45m
2026-06-01 SVA037 RUH → IAD Jun 1, 08:45 UTCJun 1, 18:55 UTC10h 10m
2026-05-31 SVA037 RUH → IAD May 31, 20:05 UTCJun 1, 18:55 UTC22h 50m
2026-05-31 SVA037 RUH → IAD May 31, 18:05 UTCJun 1, 18:00 UTC23h 55m
2026-05-31 SVA037 RUH → IAD May 31, 17:00 UTCJun 1, 14:00 UTC21h 0m
2026-05-30 SVA109 RUH → LHR May 30, 21:25 UTCMay 31, 14:25 UTC17h 0m
2026-05-30 SVA022 JFK → RUH May 30, 16:10 UTCMay 31, 14:25 UTC22h 15m
2026-05-30 SVA023 RUH → JFK May 30, 03:00 UTCMay 30, 13:25 UTC10h 25m
2026-05-28 SVA022 JFK → RUH May 28, 16:25 UTCMay 29, 02:00 UTC9h 35m
2026-05-28 SVA023 RUH → JFK May 28, 03:10 UTCMay 28, 13:05 UTC9h 55m
2026-05-27 SVA023 RUH → JFK May 27, 12:05 UTCMay 28, 12:00 UTC23h 55m
2026-05-27 SVA023 RUH → JFK May 27, 10:05 UTCMay 28, 07:45 UTC21h 40m
2026-05-27 SVA023 RUH → JFK May 27, 09:55 UTCMay 28, 07:45 UTC21h 50m
2026-05-27 SVA143 RUH → CDG May 27, 01:09 UTCMay 27, 04:59 UTC3h 50m
2026-05-26 SVA143 RUH → CDG May 26, 08:04 UTCMay 27, 04:59 UTC20h 55m
2026-05-26 SVA143 RUH → CDG May 26, 06:04 UTCMay 27, 04:59 UTC22h 55m
2026-05-26 SVA038 IAD → RUH May 26, 05:05 UTCMay 27, 01:59 UTC20h 55m
2026-05-25 SVA038 IAD → RUH May 25, 23:14 UTCMay 26, 08:04 UTC8h 50m
2026-05-25 SVA037 RUH → IAD May 25, 09:25 UTCMay 25, 18:30 UTC9h 5m
2026-05-24 SVA037 RUH → IAD May 24, 20:15 UTCMay 25, 18:30 UTC22h 15m
2026-05-24 SVA037 RUH → IAD May 24, 18:05 UTCMay 25, 18:00 UTC23h 55m
2026-05-24 SVA122 LHR → RUH May 24, 16:05 UTCMay 25, 16:00 UTC23h 55m
2026-05-24 SVA122 LHR → RUH May 24, 15:50 UTCMay 25, 11:55 UTC20h 5m
2026-05-23 SVA121 RUH → LHR May 23, 21:20 UTCMay 24, 13:40 UTC16h 20m
2026-05-23 SVA022 JFK → RUH May 23, 16:30 UTCMay 24, 13:40 UTC21h 10m
2026-05-23 SVA023 RUH → JFK May 23, 04:10 UTCMay 23, 13:25 UTC9h 15m
2026-05-22 SVA023 RUH → JFK May 22, 12:05 UTCMay 23, 12:00 UTC23h 55m
2026-05-22 SVA023 RUH → JFK May 22, 10:05 UTCMay 23, 08:45 UTC22h 39m
2026-05-22 SVA110 LHR → RUH May 22, 09:20 UTCMay 23, 07:10 UTC21h 49m
2026-05-22 SVA111 RUH → LHR May 22, 02:50 UTCMay 22, 06:05 UTC3h 15m
2026-05-21 SVA111 RUH → LHR May 21, 08:05 UTCMay 22, 06:05 UTC22h 0m
2026-05-21 SVA038 IAD → RUH May 21, 06:05 UTCMay 22, 06:00 UTC23h 55m
2026-05-21 SVA038 IAD → RUH May 21, 00:40 UTCMay 21, 09:55 UTC9h 15m
2026-05-20 SVA037 RUH → IAD May 20, 07:40 UTCMay 20, 18:50 UTC11h 10m
2026-05-19 SVA037 RUH → IAD May 19, 18:05 UTCMay 20, 18:00 UTC23h 56m
2026-05-19 SVA122 LHR → RUH May 19, 16:05 UTCMay 20, 11:50 UTC19h 46m
2026-05-19 SVA122 LHR → RUH May 19, 15:35 UTCMay 20, 11:50 UTC20h 16m
2026-05-19 SVA121 RUH → LHR May 19, 08:50 UTCMay 19, 13:20 UTC4h 30m
2026-05-18 SVA020 JFK → JED May 18, 00:10 UTCMay 18, 08:30 UTC8h 20m
2026-05-17 SVA021 JED → JFK May 17, 07:55 UTCMay 17, 19:01 UTC11h 5m
2026-05-15 SVA038 IAD → RUH May 15, 23:05 UTCMay 16, 07:55 UTC8h 51m
2026-05-15 SVA037 RUH → IAD May 15, 07:45 UTCMay 15, 18:45 UTC10h 59m
2026-05-14 SVA037 RUH → IAD May 14, 08:05 UTCMay 15, 08:00 UTC23h 55m
2026-05-13 SVA038 IAD → RUH May 13, 23:05 UTCMay 14, 08:20 UTC9h 15m
2026-05-13 SVA037 RUH → IAD May 13, 10:05 UTCMay 13, 19:45 UTC9h 40m
2026-05-12 SVA122 LHR → RUH May 12, 15:30 UTCMay 13, 10:00 UTC18h 30m
2026-05-12 SVA121 RUH → LHR May 12, 09:00 UTCMay 12, 13:30 UTC4h 30m
2026-05-07 SVA020 JFK → JED May 7, 23:55 UTCMay 8, 08:40 UTC8h 45m
2026-05-07 SVA021 JED → JFK May 7, 08:50 UTCMay 7, 19:40 UTC10h 50m

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-AK36 page for operator, model, and routing details .

Mode-S 7100C8 frequently asked

What is Mode-S code 7100C8?
7100C8 is an ICAO 24-bit transponder address. Allocated to Saudi Arabia. Assigned to HZ-AK36.
Where is Mode-S 7100C8 registered?
Mode-S code 7100C8 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 7100C8 broadcasting right now?
Yes. Mode-S 7100C8 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7100C8, octal 34200310, decimal 7,405,768.
What flights does 7100C8 operate?
Mode-S 7100C8 has broadcast 16 distinct callsigns, including SVA021, SVA037, SVA020, SVA038, SVA023.