Apparatus

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sensors Mode-S transponder

75842D

ICAO 24-bit transponder address · allocated to Philippines

Currently assigned to RP-C5901 · DE HAVILLAND DHC-8-400 Dash 8

Hex
75842D
Octal
35302055
Decimal
7,701,549
Country
PH
Tail
RP-C5901
Type
DH8D
Broadcasting now · callsign GAP2664 · 20,000 ft
Flights observed
87
Distinct callsigns
13
Country
PH
Last broadcast
2d ago

Current position

75842D is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 75842D 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 13 distinct

Callsign Airline Flights Last seen
GAP2678 - 13 2026-07-10
GAP2679 - 12 2026-07-09
GAP2689 - 11 2026-07-09
GAP2688 - 11 2026-07-08
GAP2697 - 9 2026-06-22
GAP2696 - 9 2026-06-21
GAP2680 - 7 2026-07-08
GAP2685 Air Philippines 4 2026-04-29
GAP2682 - 4 2026-07-11
GAP2876 Air Philippines 2 2026-04-17
GAP2666 Air Philippines 2 2026-06-04
GAP2664 - 2 2026-07-02
GAP2686 Air Philippines 1 2026-04-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-11 GAP2682 - Jul 11, 06:05 UTCJul 11, 06:20 UTC15m
2026-07-10 GAP2678 - Jul 10, 06:50 UTCJul 10, 07:25 UTC35m
2026-07-09 GAP2679 - Jul 9, 08:40 UTCJul 9, 09:25 UTC45m
2026-07-09 GAP2678 - Jul 9, 06:55 UTCJul 9, 07:30 UTC35m
2026-07-09 GAP2689 - Jul 9, 01:50 UTCJul 9, 02:25 UTC35m
2026-07-08 GAP2688 - Jul 8, 23:15 UTCJul 8, 23:45 UTC30m
2026-07-08 GAP2679 - Jul 8, 08:30 UTCJul 8, 09:15 UTC45m
2026-07-08 GAP2680 - Jul 8, 07:15 UTCJul 8, 07:25 UTC10m
2026-07-06 GAP2678 - Jul 6, 06:40 UTCJul 6, 07:05 UTC25m
2026-07-06 GAP2689 - Jul 6, 01:45 UTCJul 6, 02:45 UTC1h 0m
2026-07-05 GAP2688 - Jul 5, 23:30 UTCJul 6, 00:00 UTC30m
2026-07-05 GAP2679 - Jul 5, 08:25 UTCJul 5, 09:10 UTC45m
2026-07-05 GAP2680 - Jul 5, 07:20 UTCJul 5, 07:30 UTC10m
2026-07-02 GAP2682 - Jul 2, 07:35 UTCJul 2, 07:45 UTC10m
2026-07-02 GAP2664 - Jul 2, 03:35 UTCJul 2, 03:45 UTC10m
2026-06-27 GAP2682 - Jun 27, 05:39 UTCJun 27, 05:49 UTC10m
2026-06-26 GAP2680 - Jun 26, 07:20 UTCJun 26, 07:30 UTC10m
2026-06-22 GAP2678 - Jun 22, 07:34 UTCJun 22, 08:04 UTC30m
2026-06-22 GAP2689 - Jun 22, 05:40 UTCJun 22, 06:19 UTC40m
2026-06-22 GAP2688 - Jun 22, 03:10 UTCJun 22, 03:45 UTC35m
2026-06-22 GAP2697 - Jun 22, 01:05 UTCJun 22, 02:14 UTC1h 10m
2026-06-21 GAP2696 - Jun 21, 23:05 UTCJun 21, 23:40 UTC35m
2026-06-21 GAP2679 - Jun 21, 08:20 UTCJun 21, 09:00 UTC40m
2026-06-21 GAP2678 - Jun 21, 07:00 UTCJun 21, 07:29 UTC30m
2026-06-21 GAP2689 - Jun 21, 05:40 UTCJun 21, 06:19 UTC40m
2026-06-21 GAP2688 - Jun 21, 03:19 UTCJun 21, 03:49 UTC30m
2026-06-21 GAP2697 - Jun 21, 01:14 UTCJun 21, 02:15 UTC1h 0m
2026-06-20 GAP2696 - Jun 20, 22:54 UTCJun 20, 23:25 UTC30m
2026-06-20 GAP2679 - Jun 20, 08:39 UTCJun 20, 09:19 UTC40m
2026-06-15 GAP2682 CEB → USU Jun 15, 06:00 UTCJun 15, 06:15 UTC15m
2026-06-09 GAP2678 CRK → USU Jun 9, 07:05 UTCJun 9, 07:35 UTC30m
2026-06-09 GAP2689 BSO → CRK Jun 9, 05:15 UTCJun 9, 05:45 UTC30m
2026-06-09 GAP2688 CRK → BSO Jun 9, 02:45 UTCJun 9, 03:15 UTC30m
2026-06-08 GAP2689 BSO → CRK Jun 8, 05:40 UTCJun 8, 06:10 UTC30m
2026-06-08 GAP2688 CRK → BSO Jun 8, 03:10 UTCJun 8, 03:35 UTC25m
2026-06-07 GAP2679 USU → CRK Jun 7, 08:40 UTCJun 7, 09:25 UTC45m
2026-06-04 GAP2666 CEB → USU Jun 4, 23:00 UTCJun 4, 23:10 UTC10m
2026-05-28 GAP2678 CRK → USU May 28, 07:10 UTCMay 28, 07:45 UTC35m
2026-05-28 GAP2689 BSO → CRK May 28, 05:20 UTCMay 28, 05:50 UTC30m
2026-05-28 GAP2688 CRK → BSO May 28, 02:40 UTCMay 28, 03:10 UTC30m
2026-05-28 GAP2697 BSO → CRK May 28, 01:10 UTCMay 28, 01:35 UTC25m
2026-05-27 GAP2696 CRK → BSO May 27, 22:45 UTCMay 27, 23:15 UTC30m
2026-05-27 GAP2679 USU → CRK May 27, 08:45 UTCMay 27, 09:30 UTC45m
2026-05-27 GAP2680 CEB → USU May 27, 07:20 UTCMay 27, 07:35 UTC15m
2026-05-14 GAP2678 CRK → USU May 14, 07:00 UTCMay 14, 07:25 UTC25m
2026-05-14 GAP2689 BSO → CRK May 14, 05:30 UTCMay 14, 06:00 UTC30m
2026-05-14 GAP2688 CRK → BSO May 14, 03:05 UTCMay 14, 03:30 UTC25m
2026-05-14 GAP2697 BSO → CRK May 14, 01:05 UTCMay 14, 02:00 UTC55m
2026-05-13 GAP2696 CRK → BSO May 13, 22:50 UTCMay 13, 23:20 UTC30m
2026-05-13 GAP2679 USU → CRK May 13, 08:45 UTCMay 13, 09:35 UTC50m

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-C5901 page for operator, model, and routing details .

Mode-S 75842D frequently asked

What is Mode-S code 75842D?
75842D is an ICAO 24-bit transponder address. Allocated to Philippines. Assigned to RP-C5901.
Where is Mode-S 75842D registered?
Mode-S code 75842D is allocated to Philippines (PH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 75842D broadcasting right now?
Yes. Mode-S 75842D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 75842D, octal 35302055, decimal 7,701,549.
What flights does 75842D operate?
Mode-S 75842D has broadcast 13 distinct callsigns, including GAP2678, GAP2679, GAP2689, GAP2688, GAP2697.