Apparatus

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sensors Mode-S transponder

71018A

ICAO 24-bit transponder address · allocated to Saudi Arabia

Currently assigned to HZ-AQ23 · AIRBUS A-330-300

Hex
71018A
Octal
34200612
Decimal
7,405,962
Country
SA
Tail
HZ-AQ23
Type
A333
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
140
Distinct callsigns
20
Country
SA
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S 71018A.

Country allocation

The ICAO 24-bit address 71018A 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
SVA211 - 10 2026-06-27
SVA708 Saudi Arabian Airlines 8 2026-07-26
SVA588 - 7 2026-07-05
SVA263 Saudi Arabian Airlines 7 2026-07-25
SVA238 - 7 2026-07-17
SVA3779 Saudi Arabian Airlines 6 2026-04-27
SVA311 - 6 2026-07-16
SVA264 Saudi Arabian Airlines 6 2026-07-25
SVA210 Saudi Arabian Airlines 6 2026-06-27
SVA237 - 5 2026-07-02
SVA321 - 4 2026-07-18
SVA307 - 4 2026-07-18
SVA236 Saudi Arabian Airlines 4 2026-07-02
SVA589 Saudi Arabian Airlines 3 2026-07-05
SVA389 Saudi Arabian Airlines 3 2026-06-14
SVA3776 Saudi Arabian Airlines 3 2026-04-26
SVA323 Saudi Arabian Airlines 3 2026-07-24
SVA313 - 3 2026-07-20
SVA305 Saudi Arabian Airlines 3 2026-06-17
SVA709 - 2 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SVA320 CAI → RUH Jul 26, 22:15 UTCJul 26, 22:30 UTC15m
2026-07-26 SVA708 RUH → KHI Jul 26, 04:25 UTCJul 26, 19:30 UTC15h 6m
2026-07-25 SVA264 IST → RUH Jul 25, 14:00 UTCJul 26, 05:35 UTC15h 35m
2026-07-25 SVA263 RUH → IST Jul 25, 09:20 UTCJul 25, 11:25 UTC2h 5m
2026-07-24 SVA323 RUH → CAI Jul 24, 23:30 UTCJul 24, 23:45 UTC15m
2026-07-23 SVA3320 - Jul 23, 05:00 UTCJul 23, 05:25 UTC25m
2026-07-23 SVA3321 - Jul 23, 02:25 UTCJul 23, 02:55 UTC30m
2026-07-22 SVA709 - Jul 22, 11:20 UTCJul 22, 11:35 UTC15m
2026-07-22 SVA708 RUH → KHI Jul 22, 04:35 UTCJul 22, 10:25 UTC5h 50m
2026-07-20 SVA313 - Jul 20, 15:45 UTCJul 20, 16:00 UTC15m
2026-07-20 SVA708 - Jul 20, 04:40 UTCJul 20, 10:45 UTC6h 5m
2026-07-19 SVA1048 - Jul 19, 19:25 UTCJul 19, 19:35 UTC10m
2026-07-18 SVA307 - Jul 18, 22:20 UTCJul 19, 10:00 UTC11h 40m
2026-07-18 SVA321 - Jul 18, 19:35 UTCJul 18, 19:55 UTC20m
2026-07-17 SVA238 - Jul 17, 16:34 UTCJul 18, 11:20 UTC18h 46m
2026-07-17 SVA238 - Jul 17, 14:35 UTCJul 18, 11:20 UTC20h 46m
2026-07-17 SVA238 - Jul 17, 14:20 UTCJul 18, 11:20 UTC21h 1m
2026-07-17 SVA741 BOM → RUH Jul 17, 01:09 UTCJul 17, 04:04 UTC2h 55m
2026-07-16 SVA740 - Jul 16, 20:15 UTCJul 16, 23:44 UTC3h 30m
2026-07-16 SVA311 - Jul 16, 06:30 UTCJul 16, 07:00 UTC30m
2026-07-15 SVA311 - Jul 15, 10:35 UTCJul 16, 07:00 UTC20h 25m
2026-07-15 SVA709 - Jul 15, 09:40 UTCJul 16, 07:00 UTC21h 20m
2026-07-15 SVA708 - Jul 15, 04:10 UTCJul 15, 10:40 UTC6h 30m
2026-07-13 SVA312 - Jul 13, 18:05 UTCJul 13, 18:25 UTC20m
2026-07-12 SVA708 - Jul 12, 21:45 UTCJul 13, 16:00 UTC18h 15m
2026-07-12 SVA321 - Jul 12, 02:01 UTCJul 12, 19:50 UTC17h 50m
2026-07-11 SVA323 - Jul 11, 23:30 UTCJul 12, 00:05 UTC35m
2026-07-11 SVA264 IST → RUH Jul 11, 13:55 UTCJul 11, 15:45 UTC1h 50m
2026-07-11 SVA263 - Jul 11, 02:10 UTCJul 11, 11:05 UTC8h 55m
2026-07-10 SVA238 - Jul 10, 14:20 UTCJul 10, 23:50 UTC9h 31m
2026-07-09 SVA239 - Jul 9, 18:20 UTCJul 10, 12:25 UTC18h 5m
2026-07-09 SVA708 - Jul 9, 04:20 UTCJul 9, 16:15 UTC11h 55m
2026-07-08 SVA238 - Jul 8, 16:35 UTCJul 9, 16:15 UTC23h 40m
2026-07-08 SVA238 - Jul 8, 14:35 UTCJul 9, 10:55 UTC20h 20m
2026-07-08 SVA238 - Jul 8, 14:15 UTCJul 9, 10:55 UTC20h 40m
2026-07-08 SVA239 - Jul 8, 02:10 UTCJul 8, 12:40 UTC10h 30m
2026-07-07 SVA323 - Jul 7, 23:45 UTCJul 8, 00:00 UTC15m
2026-07-06 SVA775 COK → RUH Jul 6, 15:05 UTCJul 6, 19:00 UTC3h 55m
2026-07-05 SVA774 - Jul 5, 23:30 UTCJul 6, 13:10 UTC13h 40m
2026-07-05 SVA589 DXB → JED Jul 5, 13:50 UTCJul 5, 21:05 UTC7h 15m
2026-07-05 SVA588 - Jul 5, 10:40 UTCJul 5, 11:55 UTC1h 15m
2026-07-04 SVA307 - Jul 4, 10:40 UTCJul 4, 10:50 UTC10m
2026-07-03 SVA307 - Jul 3, 12:55 UTCJul 4, 10:50 UTC21h 55m
2026-07-03 SVA366 TUN → JED Jul 3, 11:10 UTCJul 3, 13:05 UTC1h 55m
2026-07-02 SVA236 GVA → JED Jul 2, 14:20 UTCJul 3, 08:20 UTC18h 0m
2026-07-02 SVA237 - Jul 2, 09:30 UTCJul 2, 12:10 UTC2h 40m
2026-06-29 SVA435 - Jun 29, 02:09 UTCJun 29, 02:20 UTC10m
2026-06-27 SVA210 MXP → RUH Jun 27, 14:35 UTCJun 27, 17:49 UTC3h 15m
2026-06-27 SVA211 - Jun 27, 08:44 UTCJun 27, 11:44 UTC3h 0m
2026-06-26 SVA211 - Jun 26, 14:35 UTCJun 27, 11:44 UTC21h 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-AQ23 page for operator, model, and routing details .

Mode-S 71018A frequently asked

What is Mode-S code 71018A?
71018A is an ICAO 24-bit transponder address. Allocated to Saudi Arabia. Assigned to HZ-AQ23.
Where is Mode-S 71018A registered?
Mode-S code 71018A 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 71018A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71018A, octal 34200612, decimal 7,405,962.
What flights does 71018A operate?
Mode-S 71018A has broadcast 20 distinct callsigns, including SVA211, SVA708, SVA588, SVA263, SVA238.