Apparatus

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sensors Mode-S transponder

758729

ICAO 24-bit transponder address · allocated to Philippines

Currently assigned to RP-C6388 · ATR-72-600

Hex
758729
Octal
35303451
Decimal
7,702,313
Country
PH
Tail
RP-C6388
Type
AT76
No current signal · last broadcast Jul 26, 07:20 UTC
Flights observed
261
Distinct callsigns
19
Country
PH
Last broadcast
Jul 26, 07:20 UTC

Last known position

Most recent position reported by Mode-S 758729.

Country allocation

The ICAO 24-bit address 758729 falls within the block assigned to Philippines (PH) by ICAO Annex 10, Volume III. Every aircraft registered in Philippines 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 19 distinct

Callsign Airline Flights Last seen
RLB601 - 56 2026-07-26
RLB602 - 44 2026-07-26
RLB989 - 32 2026-07-25
RLB834 - 31 2026-07-24
RLB833 - 26 2026-07-24
RLB990 - 24 2026-07-26
RLB604 - 12 2026-05-28
RLB603 - 11 2026-05-19
RPC6388 - 6 2026-07-13
RLB607 - 5 2026-06-21
RLB851 - 4 2026-07-20
RLB653 - 2 2026-07-07
RLB608 - 2 2026-06-21
RLB834D - 1 2026-04-18
RLB652 - 1 2026-06-14
RLB602D - 1 2026-06-14
2R990 - 1 2026-04-26
2R608 - 1 2026-04-26
2R603 - 1 2026-04-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 RLB602 - Jul 26, 06:30 UTCJul 26, 07:20 UTC51m
2026-07-26 RLB601 - Jul 26, 04:50 UTCJul 26, 05:30 UTC40m
2026-07-26 RLB990 - Jul 26, 03:05 UTCJul 26, 03:55 UTC50m
2026-07-25 RLB989 - Jul 25, 22:40 UTCJul 25, 23:25 UTC45m
2026-07-25 RLB602 - Jul 25, 04:15 UTCJul 25, 05:00 UTC45m
2026-07-25 RLB601 - Jul 25, 02:30 UTCJul 25, 03:15 UTC45m
2026-07-24 RLB834 - Jul 24, 09:40 UTCJul 24, 10:25 UTC45m
2026-07-24 RLB833 - Jul 24, 07:45 UTCJul 24, 08:30 UTC45m
2026-07-24 RLB602 - Jul 24, 06:00 UTCJul 24, 06:50 UTC50m
2026-07-24 RLB601 - Jul 24, 04:00 UTCJul 24, 04:50 UTC50m
2026-07-23 RLB602 - Jul 23, 03:50 UTCJul 23, 04:35 UTC45m
2026-07-23 RLB601 - Jul 23, 02:05 UTCJul 23, 02:45 UTC40m
2026-07-22 RLB601 - Jul 22, 04:15 UTCJul 22, 05:00 UTC45m
2026-07-22 RLB990 - Jul 22, 02:40 UTCJul 22, 03:25 UTC45m
2026-07-21 RLB989 - Jul 21, 22:30 UTCJul 21, 23:20 UTC50m
2026-07-21 RLB602 - Jul 21, 03:35 UTCJul 21, 04:30 UTC55m
2026-07-21 RLB601 - Jul 21, 01:55 UTCJul 21, 02:40 UTC45m
2026-07-20 RLB834 - Jul 20, 10:00 UTCJul 20, 10:55 UTC55m
2026-07-20 RLB833 - Jul 20, 08:10 UTCJul 20, 08:55 UTC45m
2026-07-20 RLB602 - Jul 20, 06:00 UTCJul 20, 06:55 UTC55m
2026-07-20 RLB851 - Jul 20, 04:40 UTCJul 20, 04:50 UTC10m
2026-07-17 RLB601 - Jul 17, 04:04 UTCJul 17, 04:49 UTC45m
2026-07-13 RPC6388 - Jul 13, 09:10 UTCJul 13, 10:00 UTC50m
2026-07-10 RLB601 - Jul 10, 03:50 UTCJul 10, 04:35 UTC45m
2026-07-09 RLB602 - Jul 9, 04:00 UTCJul 9, 04:50 UTC50m
2026-07-09 RLB601 - Jul 9, 02:10 UTCJul 9, 02:55 UTC45m
2026-07-08 RLB602 - Jul 8, 06:00 UTCJul 8, 06:55 UTC55m
2026-07-08 RLB601 - Jul 8, 04:10 UTCJul 8, 04:55 UTC45m
2026-07-08 RLB989 - Jul 8, 02:20 UTCJul 8, 03:20 UTC1h 0m
2026-07-07 RLB989 - Jul 7, 22:20 UTCJul 7, 23:15 UTC55m
2026-07-07 RLB602 - Jul 7, 05:50 UTCJul 7, 06:45 UTC55m
2026-07-07 RLB601 - Jul 7, 04:05 UTCJul 7, 04:50 UTC45m
2026-07-07 RLB653 - Jul 7, 01:40 UTCJul 7, 02:15 UTC35m
2026-07-07 RLB653 - Jul 7, 00:05 UTCJul 7, 00:40 UTC35m
2026-07-06 RLB834 - Jul 6, 09:30 UTCJul 6, 10:20 UTC50m
2026-07-06 RLB833 - Jul 6, 07:25 UTCJul 6, 08:20 UTC55m
2026-07-06 RLB602 - Jul 6, 05:35 UTCJul 6, 06:20 UTC45m
2026-07-03 RLB601 - Jul 3, 03:50 UTCJul 3, 04:30 UTC40m
2026-07-02 RLB601 - Jul 2, 04:10 UTCJul 2, 04:50 UTC40m
2026-07-02 RLB601 - Jul 2, 02:15 UTCJul 2, 02:50 UTC35m
2026-07-01 RLB602 - Jul 1, 05:55 UTCJul 1, 06:50 UTC55m
2026-07-01 RLB601 - Jul 1, 04:05 UTCJul 1, 04:40 UTC35m
2026-07-01 RLB990 - Jul 1, 02:15 UTCJul 1, 03:05 UTC50m
2026-06-30 RLB989 - Jun 30, 22:15 UTCJun 30, 23:15 UTC1h 0m
2026-06-30 RLB601 - Jun 30, 03:25 UTCJun 30, 04:10 UTC45m
2026-06-30 RLB601 - Jun 30, 02:05 UTCJun 30, 02:50 UTC45m
2026-06-29 RLB602 - Jun 29, 04:50 UTCJun 29, 05:34 UTC45m
2026-06-21 RLB607 - Jun 21, 06:50 UTCJun 21, 07:25 UTC35m
2026-06-21 RLB608 - Jun 21, 05:00 UTCJun 21, 05:54 UTC55m
2026-06-20 RLB989 - Jun 20, 22:35 UTCJun 20, 23:29 UTC55m

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 RP-C6388 page for operator, model, and routing details .

Mode-S 758729 frequently asked

What is Mode-S code 758729?
758729 is an ICAO 24-bit transponder address. Allocated to Philippines. Assigned to RP-C6388.
Where is Mode-S 758729 registered?
Mode-S code 758729 is allocated to Philippines (PH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 758729 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 07:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 758729, octal 35303451, decimal 7,702,313.
What flights does 758729 operate?
Mode-S 758729 has broadcast 19 distinct callsigns, including RLB601, RLB602, RLB989, RLB834, RLB833.