Apparatus

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sensors Mode-S transponder

4868B9

ICAO 24-bit transponder address · allocated to Netherlands

Currently assigned to PH-YHE · AIRBUS A-321neo

Hex
4868B9
Octal
22064271
Decimal
4,745,401
Country
NL
Tail
PH-YHE
Type
A21N
Broadcasting now · callsign TRA5791 · 35,025 ft
Flights observed
412
Distinct callsigns
20
Country
NL
Last broadcast
31m ago

Current position

4868B9 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4868B9 falls within the block assigned to Netherlands (NL) by ICAO Annex 10, Volume III. Every aircraft registered in Netherlands 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
TRA14R - 18 2026-07-09
TRA25W - 15 2026-07-09
TRA88B Transavia Holland 7 2026-06-20
TRA87B - 7 2026-07-06
TRA74H - 7 2026-07-01
TRA74B Transavia Holland 7 2026-07-01
TRA16M - 7 2026-07-04
TRA7X - 6 2026-06-20
TRA6T - 6 2026-07-06
TRA60J - 6 2026-07-04
TRA56M Transavia Holland 6 2026-06-07
TRA29L Transavia Holland 6 2026-06-07
TRA9L - 5 2026-06-24
TRA59Z - 5 2026-06-24
TRA4Z - 5 2026-07-09
TRA3K Transavia Holland 5 2026-06-13
TRA16U Transavia Holland 5 2026-06-05
TRA11C Transavia Holland 5 2026-06-13
TRA99W Transavia Holland 4 2026-06-05
TRA97Q - 4 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 TRA5791 - Jul 15, 03:45 UTCJul 15, 04:15 UTC30m
2026-07-14 TRA6Z - Jul 14, 18:10 UTCJul 14, 21:40 UTC3h 30m
2026-07-14 TRA86C - Jul 14, 13:45 UTCJul 14, 16:40 UTC2h 55m
2026-07-14 TRA1Z - Jul 14, 08:00 UTCJul 14, 11:00 UTC3h 0m
2026-07-14 TRA53Y - Jul 14, 04:05 UTCJul 14, 06:45 UTC2h 40m
2026-07-13 TRA92W - Jul 13, 18:15 UTCJul 13, 21:35 UTC3h 20m
2026-07-13 TRA4U - Jul 13, 14:05 UTCJul 13, 16:55 UTC2h 50m
2026-07-13 TRA68A - Jul 13, 09:35 UTCJul 13, 12:25 UTC2h 50m
2026-07-13 TRA2K - Jul 13, 05:10 UTCJul 13, 08:01 UTC2h 50m
2026-07-12 TRA37Y - Jul 12, 15:40 UTCJul 12, 23:35 UTC7h 55m
2026-07-12 TRA5012 - Jul 12, 09:55 UTCJul 12, 13:40 UTC3h 45m
2026-07-12 TRA5011 - Jul 12, 05:01 UTCJul 12, 08:20 UTC3h 20m
2026-07-11 TRA57P - Jul 11, 15:05 UTCJul 11, 22:30 UTC7h 25m
2026-07-11 TRA5012 AYT → AMS Jul 11, 08:50 UTCJul 11, 12:40 UTC3h 50m
2026-07-11 TRA5011 AMS → AYT Jul 11, 04:01 UTCJul 11, 07:25 UTC3h 25m
2026-07-10 TRA53B - Jul 10, 18:15 UTCJul 10, 22:15 UTC4h 0m
2026-07-10 TRA19E - Jul 10, 13:35 UTCJul 10, 17:05 UTC3h 30m
2026-07-10 TRA97P - Jul 10, 08:45 UTCJul 10, 12:10 UTC3h 25m
2026-07-10 TRA12N - Jul 10, 04:40 UTCJul 10, 07:25 UTC2h 45m
2026-07-09 TRA4Z - Jul 9, 20:35 UTCJul 9, 23:35 UTC3h 0m
2026-07-09 TRA23F - Jul 9, 16:00 UTCJul 9, 19:10 UTC3h 10m
2026-07-09 TRA25W FNC → AMS Jul 9, 09:30 UTCJul 9, 13:00 UTC3h 30m
2026-07-09 TRA14R - Jul 9, 08:05 UTCJul 9, 08:10 UTC5m
2026-07-09 TRA14R - Jul 9, 04:30 UTCJul 9, 07:25 UTC2h 55m
2026-07-08 TRA27N - Jul 8, 14:25 UTCJul 8, 22:00 UTC7h 35m
2026-07-08 TRA6740 - Jul 8, 08:10 UTCJul 8, 11:35 UTC3h 25m
2026-07-08 TRA6739 - Jul 8, 04:10 UTCJul 8, 06:40 UTC2h 30m
2026-07-07 TRA97K - Jul 7, 19:50 UTCJul 7, 23:40 UTC3h 50m
2026-07-07 TRA4C - Jul 7, 14:25 UTCJul 7, 18:30 UTC4h 5m
2026-07-07 TRA33A FAO → AMS Jul 7, 09:10 UTCJul 7, 11:45 UTC2h 35m
2026-07-07 TRA37B AMS → FAO Jul 7, 05:20 UTCJul 7, 07:55 UTC2h 35m
2026-07-06 TRA6T - Jul 6, 19:40 UTCJul 6, 23:45 UTC4h 5m
2026-07-06 TRA87B - Jul 6, 14:00 UTCJul 6, 18:05 UTC4h 5m
2026-07-06 TRA13B - Jul 6, 08:00 UTCJul 6, 11:30 UTC3h 30m
2026-07-06 TRA41M - Jul 6, 03:35 UTCJul 6, 06:35 UTC3h 0m
2026-07-05 TRA6872 - Jul 5, 19:10 UTCJul 5, 22:40 UTC3h 30m
2026-07-05 TRA82K - Jul 5, 15:00 UTCJul 5, 17:50 UTC2h 50m
2026-07-05 TRA5012 - Jul 5, 09:20 UTCJul 5, 13:15 UTC3h 55m
2026-07-05 TRA5011 - Jul 5, 04:35 UTCJul 5, 07:55 UTC3h 20m
2026-07-04 TRA5M - Jul 4, 15:05 UTCJul 4, 22:55 UTC7h 50m
2026-07-04 TRA16M - Jul 4, 09:00 UTCJul 4, 11:30 UTC2h 30m
2026-07-04 TRA60J - Jul 4, 05:15 UTCJul 4, 07:40 UTC2h 25m
2026-07-03 TRA63P - Jul 3, 19:25 UTCJul 3, 22:15 UTC2h 50m
2026-07-03 TRA63P - Jul 3, 18:40 UTCJul 3, 18:50 UTC10m
2026-07-03 TRA34Q RTM → AGP Jul 3, 13:50 UTCJul 3, 17:30 UTC3h 40m
2026-07-03 TRA97P CHQ → AMS Jul 3, 08:35 UTCJul 3, 12:15 UTC3h 40m
2026-07-03 TRA12N - Jul 3, 04:15 UTCJul 3, 07:05 UTC2h 50m
2026-07-02 TRA49P - Jul 2, 14:05 UTCJul 2, 22:15 UTC8h 10m
2026-07-02 TRA88J - Jul 2, 08:35 UTCJul 2, 11:45 UTC3h 10m
2026-07-02 TRA8T - Jul 2, 03:45 UTCJul 2, 06:51 UTC3h 6m

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 PH-YHE page for operator, model, and routing details .

Mode-S 4868B9 frequently asked

What is Mode-S code 4868B9?
4868B9 is an ICAO 24-bit transponder address. Allocated to Netherlands. Assigned to PH-YHE.
Where is Mode-S 4868B9 registered?
Mode-S code 4868B9 is allocated to Netherlands (NL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4868B9 broadcasting right now?
Yes. Mode-S 4868B9 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4868B9, octal 22064271, decimal 4,745,401.
What flights does 4868B9 operate?
Mode-S 4868B9 has broadcast 20 distinct callsigns, including TRA14R, TRA25W, TRA88B, TRA87B, TRA74H.