Apparatus

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sensors Mode-S transponder

71010F

ICAO 24-bit transponder address · allocated to Saudi Arabia

Currently assigned to HZ-AK37 · BOEING 777-300ER

Hex
71010F
Octal
34200417
Decimal
7,405,839
Country
SA
Tail
HZ-AK37
Type
B77W
No current signal · last broadcast Jul 26, 18:40 UTC
Flights observed
166
Distinct callsigns
20
Country
SA
Last broadcast
Jul 26, 18:40 UTC

Last known position

Most recent position reported by Mode-S 71010F.

Country allocation

The ICAO 24-bit address 71010F 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
SVA023 Saudi Arabian Airlines 24 2026-07-18
SVA143 Saudi Arabian Airlines 21 2026-06-07
SVA037 - 18 2026-07-20
SVA121 - 15 2026-07-15
SVA038 Saudi Arabian Airlines 11 2026-07-21
SVA144 - 10 2026-07-13
SVA022 Saudi Arabian Airlines 10 2026-07-18
SVA111 - 9 2026-07-16
SVA109 Saudi Arabian Airlines 6 2026-05-17
SVA021 Saudi Arabian Airlines 6 2026-07-26
SVA036 - 5 2026-06-23
SVA035 - 5 2026-06-23
SVA020 Saudi Arabian Airlines 5 2026-07-25
SVA122 - 4 2026-07-09
SVA110 - 4 2026-07-12
SVA105 Saudi Arabian Airlines 3 2026-07-07
SVA042 Saudi Arabian Airlines 3 2026-06-21
SVA560 - 2 2026-07-21
SVA108 Saudi Arabian Airlines 2 2026-07-19
SVA041 Saudi Arabian Airlines 2 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SVA021 JED → JFK Jul 26, 07:25 UTCJul 26, 18:20 UTC10h 55m
2026-07-25 SVA020 JFK → JED Jul 25, 07:50 UTCJul 26, 07:45 UTC23h 56m
2026-07-24 SVA020 JFK → JED Jul 24, 23:55 UTCJul 25, 09:10 UTC9h 15m
2026-07-24 SVA021 JED → JFK Jul 24, 07:25 UTCJul 24, 18:55 UTC11h 30m
2026-07-23 SVA021 JED → JFK Jul 23, 16:45 UTCJul 24, 13:00 UTC20h 15m
2026-07-21 SVA560 - Jul 21, 13:20 UTCJul 21, 14:55 UTC1h 35m
2026-07-21 SVA038 IAD → RUH Jul 21, 10:55 UTCJul 21, 11:05 UTC10m
2026-07-20 SVA038 IAD → RUH Jul 20, 23:10 UTCJul 21, 09:40 UTC10h 30m
2026-07-20 SVA037 - Jul 20, 07:40 UTCJul 20, 19:10 UTC11h 30m
2026-07-19 SVA108 LHR → RUH Jul 19, 17:10 UTCJul 19, 21:25 UTC4h 15m
2026-07-18 SVA022 JFK → RUH Jul 18, 21:40 UTCJul 19, 14:35 UTC16h 55m
2026-07-18 SVA022 JFK → RUH Jul 18, 17:50 UTCJul 19, 14:35 UTC20h 45m
2026-07-18 SVA022 JFK → RUH Jul 18, 16:45 UTCJul 19, 13:45 UTC21h 0m
2026-07-18 SVA023 RUH → JFK Jul 18, 02:19 UTCJul 18, 13:30 UTC11h 11m
2026-07-17 SVA023 RUH → JFK Jul 17, 13:50 UTCJul 18, 13:30 UTC23h 41m
2026-07-17 SVA023 RUH → JFK Jul 17, 11:50 UTCJul 18, 11:45 UTC23h 56m
2026-07-17 SVA023 RUH → JFK Jul 17, 09:50 UTCJul 18, 07:25 UTC21h 36m
2026-07-17 SVA023 RUH → JFK Jul 17, 09:30 UTCJul 18, 07:25 UTC21h 56m
2026-07-16 SVA111 - Jul 16, 15:35 UTCJul 17, 06:00 UTC14h 25m
2026-07-15 SVA121 - Jul 15, 17:50 UTCJul 16, 12:55 UTC19h 5m
2026-07-15 SVA121 - Jul 15, 16:10 UTCJul 16, 12:55 UTC20h 45m
2026-07-14 SVA121 - Jul 14, 17:50 UTCJul 15, 13:20 UTC19h 29m
2026-07-14 SVA022 JFK → LHR Jul 14, 16:30 UTCJul 15, 13:20 UTC20h 49m
2026-07-14 SVA023 - Jul 14, 02:30 UTCJul 14, 13:25 UTC10h 55m
2026-07-13 SVA023 - Jul 13, 13:50 UTCJul 14, 13:25 UTC23h 35m
2026-07-13 SVA023 - Jul 13, 11:50 UTCJul 14, 11:45 UTC23h 55m
2026-07-13 SVA144 - Jul 13, 09:55 UTCJul 14, 07:40 UTC21h 45m
2026-07-12 SVA110 - Jul 12, 09:50 UTCJul 13, 05:05 UTC19h 15m
2026-07-11 SVA111 LHR → LHR Jul 11, 15:30 UTCJul 12, 05:40 UTC14h 10m
2026-07-11 SVA121 - Jul 11, 07:40 UTCJul 11, 12:30 UTC4h 50m
2026-07-09 SVA122 - Jul 9, 15:15 UTCJul 9, 19:35 UTC4h 20m
2026-07-08 SVA121 - Jul 8, 17:50 UTCJul 9, 12:45 UTC18h 55m
2026-07-08 SVA121 - Jul 8, 16:55 UTCJul 9, 12:45 UTC19h 50m
2026-07-07 SVA105 JED → LHR Jul 7, 17:50 UTCJul 8, 13:45 UTC19h 55m
2026-07-07 SVA105 JED → LHR Jul 7, 15:50 UTCJul 8, 13:45 UTC21h 55m
2026-07-07 SVA105 JED → LHR Jul 7, 15:30 UTCJul 8, 13:45 UTC22h 15m
2026-07-07 SVA121 - Jul 7, 08:15 UTCJul 7, 13:20 UTC5h 5m
2026-07-06 SVA121 - Jul 6, 10:05 UTCJul 7, 09:45 UTC23h 40m
2026-07-06 SVA038 - Jul 6, 00:50 UTCJul 6, 10:30 UTC9h 40m
2026-07-05 SVA037 - Jul 5, 07:55 UTCJul 5, 19:45 UTC11h 50m
2026-07-04 SVA037 - Jul 4, 16:45 UTCJul 5, 13:05 UTC20h 20m
2026-07-04 SVA560 - Jul 4, 13:50 UTCJul 4, 15:00 UTC1h 10m
2026-07-02 SVA022 - Jul 2, 16:30 UTCJul 3, 02:15 UTC9h 45m
2026-07-02 SVA023 - Jul 2, 02:40 UTCJul 2, 13:40 UTC11h 0m
2026-06-29 SVA020 - Jun 29, 00:44 UTCJun 29, 09:34 UTC8h 50m
2026-06-28 SVA021 - Jun 28, 07:20 UTCJun 28, 18:14 UTC10h 55m
2026-06-26 SVA020 - Jun 26, 23:34 UTCJun 27, 09:09 UTC9h 35m
2026-06-26 SVA021 - Jun 26, 07:24 UTCJun 26, 18:24 UTC11h 0m
2026-06-23 SVA036 - Jun 23, 23:14 UTCJun 24, 09:24 UTC10h 10m
2026-06-23 SVA035 - Jun 23, 08:54 UTCJun 23, 19:29 UTC10h 35m

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-AK37 page for operator, model, and routing details .

Mode-S 71010F frequently asked

What is Mode-S code 71010F?
71010F is an ICAO 24-bit transponder address. Allocated to Saudi Arabia. Assigned to HZ-AK37.
Where is Mode-S 71010F registered?
Mode-S code 71010F 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 71010F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71010F, octal 34200417, decimal 7,405,839.
What flights does 71010F operate?
Mode-S 71010F has broadcast 20 distinct callsigns, including SVA023, SVA143, SVA037, SVA121, SVA038.