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sensors Mode-S transponder

71005A

ICAO 24-bit transponder address · allocated to Saudi Arabia

Currently assigned to HZ-AK18 · BOEING 777-300ER

Hex
71005A
Octal
34200132
Decimal
7,405,658
Country
SA
Tail
HZ-AK18
Type
B77W
No current signal · last broadcast Jul 26, 21:30 UTC
Flights observed
177
Distinct callsigns
20
Country
SA
Last broadcast
Jul 26, 21:30 UTC

Last known position

Most recent position reported by Mode-S 71005A.

Country allocation

The ICAO 24-bit address 71005A 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
SVA818 - 18 2026-07-13
SVA819 - 13 2026-07-13
SVA826 - 10 2026-07-15
SVA827 - 7 2026-07-08
SVA809 - 6 2026-07-18
SVA808 - 6 2026-07-17
SVA802 Saudi Arabian Airlines 6 2026-05-26
SVA800 - 5 2026-07-09
SVA734 - 5 2026-06-26
SVA724 Saudi Arabian Airlines 5 2026-07-24
SVA757 - 4 2026-06-24
SVA738 Saudi Arabian Airlines 4 2026-07-15
SVA732 Saudi Arabian Airlines 4 2026-05-11
SVA704 Saudi Arabian Airlines 4 2026-06-30
SVA341 - 4 2026-07-16
SVA756 - 3 2026-06-23
SVA736 - 3 2026-07-23
SVA5934 - 3 2026-06-15
SVA343 Saudi Arabian Airlines 3 2026-07-10
SVA9640 - 2 2026-04-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SVA805 DAC → JED Jul 26, 20:40 UTCJul 26, 21:30 UTC50m
2026-07-26 SVA804 JED → DAC Jul 26, 13:50 UTCJul 26, 18:45 UTC4h 55m
2026-07-24 SVA724 RUH → ISB Jul 24, 16:30 UTCJul 25, 05:40 UTC13h 10m
2026-07-23 SVA736 - Jul 23, 18:35 UTCJul 24, 13:50 UTC19h 15m
2026-07-23 SVA736 - Jul 23, 18:10 UTCJul 24, 13:50 UTC19h 40m
2026-07-23 SVA760 - Jul 23, 12:35 UTCJul 23, 16:10 UTC3h 35m
2026-07-22 SVA724 RUH → ISB Jul 22, 23:50 UTCJul 23, 07:25 UTC7h 35m
2026-07-22 SVA807 - Jul 22, 11:15 UTCJul 22, 11:25 UTC10m
2026-07-21 SVA806 RUH → DAC Jul 21, 22:50 UTCJul 22, 03:55 UTC5h 5m
2026-07-20 SVA743 LHE → RUH Jul 20, 20:00 UTCJul 20, 20:15 UTC15m
2026-07-20 SVA736 - Jul 20, 10:45 UTCJul 20, 11:55 UTC1h 10m
2026-07-19 SVA726 JED → ISB Jul 19, 16:40 UTCJul 20, 00:50 UTC8h 10m
2026-07-18 SVA809 - Jul 18, 08:00 UTCJul 18, 10:40 UTC2h 40m
2026-07-17 SVA808 - Jul 17, 15:55 UTCJul 18, 05:45 UTC13h 51m
2026-07-16 SVA341 - Jul 16, 18:05 UTCJul 17, 12:00 UTC17h 55m
2026-07-15 SVA826 - Jul 15, 21:55 UTCJul 16, 15:30 UTC17h 35m
2026-07-15 SVA738 JED → LHE Jul 15, 05:55 UTCJul 15, 17:40 UTC11h 45m
2026-07-14 SVA809 - Jul 14, 08:35 UTCJul 15, 03:50 UTC19h 14m
2026-07-14 SVA809 - Jul 14, 08:20 UTCJul 15, 03:50 UTC19h 29m
2026-07-13 SVA808 - Jul 13, 14:25 UTCJul 14, 05:50 UTC15h 25m
2026-07-13 SVA819 - Jul 13, 10:45 UTCJul 13, 10:55 UTC10m
2026-07-13 SVA818 - Jul 13, 03:10 UTCJul 13, 08:50 UTC5h 40m
2026-07-10 SVA342 ALG → JED Jul 10, 22:20 UTCJul 11, 00:40 UTC2h 20m
2026-07-10 SVA343 JED → ALG Jul 10, 19:30 UTCJul 10, 19:40 UTC10m
2026-07-10 SVA343 JED → ALG Jul 10, 00:35 UTCJul 10, 18:50 UTC18h 15m
2026-07-10 SVA343 JED → ALG Jul 10, 00:25 UTCJul 10, 18:50 UTC18h 25m
2026-07-09 SVA722 - Jul 9, 13:50 UTCJul 10, 08:10 UTC18h 20m
2026-07-09 SVA800 - Jul 9, 09:45 UTCJul 9, 09:55 UTC10m
2026-07-08 SVA827 - Jul 8, 17:55 UTCJul 9, 07:55 UTC14h 0m
2026-07-08 SVA826 - Jul 8, 15:10 UTCJul 8, 15:25 UTC15m
2026-07-08 SVA826 - Jul 8, 07:10 UTCJul 8, 14:35 UTC7h 25m
2026-07-06 SVA722 - Jul 6, 14:40 UTCJul 7, 08:15 UTC17h 35m
2026-07-06 SVA819 - Jul 6, 11:05 UTCJul 6, 11:15 UTC10m
2026-07-06 SVA818 - Jul 6, 00:55 UTCJul 6, 09:05 UTC8h 10m
2026-07-04 SVA809 - Jul 4, 07:25 UTCJul 4, 11:30 UTC4h 5m
2026-07-04 SVA808 - Jul 4, 01:10 UTCJul 4, 05:25 UTC4h 15m
2026-06-30 SVA704 JED → KHI Jun 30, 17:55 UTCJun 30, 23:55 UTC6h 0m
2026-06-26 SVA9745 - Jun 26, 21:15 UTCJun 26, 23:30 UTC2h 15m
2026-06-26 SVA5930 - Jun 26, 05:50 UTCJun 26, 19:39 UTC13h 50m
2026-06-26 SVA734 - Jun 26, 00:30 UTCJun 26, 03:15 UTC2h 45m
2026-06-25 SVA739 - Jun 25, 00:40 UTCJun 26, 00:30 UTC23h 50m
2026-06-24 SVA757 - Jun 24, 06:35 UTCJun 25, 00:44 UTC18h 10m
2026-06-24 SVA757 - Jun 24, 06:15 UTCJun 25, 00:44 UTC18h 30m
2026-06-23 SVA756 - Jun 23, 14:39 UTCJun 24, 04:15 UTC13h 35m
2026-06-23 SVA819 - Jun 23, 10:49 UTCJun 23, 10:59 UTC10m
2026-06-23 SVA818 - Jun 23, 08:20 UTCJun 23, 08:35 UTC15m
2026-06-22 SVA818 - Jun 22, 14:29 UTCJun 23, 07:49 UTC17h 20m
2026-06-22 SVA819 - Jun 22, 10:44 UTCJun 22, 10:55 UTC10m
2026-06-22 SVA818 - Jun 22, 00:40 UTCJun 22, 08:50 UTC8h 10m
2026-06-21 SVA818 - Jun 21, 13:39 UTCJun 22, 08:50 UTC19h 10m

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-AK18 page for operator, model, and routing details .

Mode-S 71005A frequently asked

What is Mode-S code 71005A?
71005A is an ICAO 24-bit transponder address. Allocated to Saudi Arabia. Assigned to HZ-AK18.
Where is Mode-S 71005A registered?
Mode-S code 71005A 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 71005A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71005A, octal 34200132, decimal 7,405,658.
What flights does 71005A operate?
Mode-S 71005A has broadcast 20 distinct callsigns, including SVA818, SVA819, SVA826, SVA827, SVA809.