Apparatus

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sensors Mode-S transponder

485B42

ICAO 24-bit transponder address · allocated to Netherlands

Currently assigned to PH-BKA · BOEING 787-10 Dreamliner

Hex
485B42
Octal
22055502
Decimal
4,741,954
Country
NL
Tail
PH-BKA
Type
B78X
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
237
Distinct callsigns
20
Country
NL
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S 485B42.

Country allocation

The ICAO 24-bit address 485B42 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
KLM705 KLM Royal Dutch Airlines 19 2026-07-25
KLM706 KLM Royal Dutch Airlines 13 2026-07-26
KLM644 KLM Royal Dutch Airlines 12 2026-07-18
KLM643 KLM Royal Dutch Airlines 12 2026-07-26
KLM565 - 12 2026-06-21
KLM611 - 10 2026-07-19
KLM616 KLM Royal Dutch Airlines 8 2026-07-21
KLM48 KLM Royal Dutch Airlines 8 2026-07-19
KLM225 - 8 2026-07-12
KLM174 - 8 2026-06-22
KLM874 KLM Royal Dutch Airlines 7 2026-05-24
KLM615 KLM Royal Dutch Airlines 7 2026-07-21
KLM602 KLM Royal Dutch Airlines 7 2026-07-24
KLM601 KLM Royal Dutch Airlines 7 2026-07-24
KLM296 - 7 2026-07-12
KLM282 KLM Royal Dutch Airlines 7 2026-07-05
KLM880 KLM Royal Dutch Airlines 6 2026-05-11
KLM879 KLM Royal Dutch Airlines 6 2026-05-11
KLM741 KLM Royal Dutch Airlines 6 2026-05-29
KLM661 KLM Royal Dutch Airlines 6 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 KLM643 AMS → JFK Jul 26, 15:35 UTCJul 26, 22:30 UTC6h 55m
2026-07-26 KLM706 GIG → AMS Jul 26, 02:05 UTCJul 26, 12:10 UTC10h 6m
2026-07-26 KLM706 GIG → AMS Jul 26, 01:10 UTCJul 26, 01:20 UTC10m
2026-07-25 KLM705 AMS → GIG Jul 25, 11:15 UTCJul 25, 21:55 UTC10h 40m
2026-07-24 KLM602 LAX → AMS Jul 24, 21:10 UTCJul 25, 06:30 UTC9h 20m
2026-07-24 KLM601 AMS → LAX Jul 24, 08:15 UTCJul 24, 18:50 UTC10h 35m
2026-07-23 KLM706 GIG → AMS Jul 23, 01:55 UTCJul 23, 12:20 UTC10h 25m
2026-07-22 KLM705 AMS → GIG Jul 22, 11:20 UTCJul 22, 21:50 UTC10h 30m
2026-07-21 KLM616 PDX → AMS Jul 21, 20:45 UTCJul 22, 05:25 UTC8h 40m
2026-07-21 KLM615 AMS → PDX Jul 21, 09:05 UTCJul 21, 18:40 UTC9h 35m
2026-07-20 KLM602 LAX → AMS Jul 20, 21:05 UTCJul 21, 06:45 UTC9h 39m
2026-07-20 KLM601 AMS → LAX Jul 20, 08:10 UTCJul 20, 18:40 UTC10h 30m
2026-07-19 KLM48 ORD → AMS Jul 19, 21:40 UTCJul 20, 05:00 UTC7h 20m
2026-07-19 KLM611 - Jul 19, 11:05 UTCJul 19, 19:10 UTC8h 5m
2026-07-18 KLM642 JFK → AMS Jul 18, 23:15 UTCJul 19, 05:35 UTC6h 20m
2026-07-18 KLM641 - Jul 18, 11:15 UTCJul 18, 19:15 UTC8h 0m
2026-07-18 KLM644 JFK → AMS Jul 18, 02:14 UTCJul 18, 08:40 UTC6h 26m
2026-07-17 KLM643 - Jul 17, 15:40 UTCJul 17, 22:49 UTC7h 10m
2026-07-17 KLM706 - Jul 17, 01:09 UTCJul 17, 11:39 UTC10h 30m
2026-07-16 KLM705 - Jul 16, 22:05 UTCJul 16, 22:19 UTC15m
2026-07-16 KLM705 - Jul 16, 11:15 UTCJul 16, 21:19 UTC10h 5m
2026-07-16 KLM644 JFK → AMS Jul 16, 02:00 UTCJul 16, 08:25 UTC6h 25m
2026-07-15 KLM643 - Jul 15, 15:35 UTCJul 15, 22:35 UTC7h 0m
2026-07-15 KLM706 - Jul 15, 01:10 UTCJul 15, 12:00 UTC10h 50m
2026-07-14 KLM705 - Jul 14, 22:15 UTCJul 14, 22:30 UTC15m
2026-07-14 KLM705 - Jul 14, 11:15 UTCJul 14, 21:25 UTC10h 10m
2026-07-12 KLM296 IAD → AMS Jul 12, 22:00 UTCJul 13, 05:15 UTC7h 15m
2026-07-12 KLM225 - Jul 12, 11:50 UTCJul 12, 19:15 UTC7h 25m
2026-07-12 KLM644 JFK → AMS Jul 12, 03:01 UTCJul 12, 09:20 UTC6h 20m
2026-07-11 KLM643 - Jul 11, 15:45 UTCJul 11, 23:05 UTC7h 20m
2026-07-10 KLM250 MSP → AMS Jul 10, 20:15 UTCJul 11, 03:35 UTC7h 20m
2026-07-10 KLM655 - Jul 10, 09:10 UTCJul 10, 17:05 UTC7h 55m
2026-07-09 KLM616 PDX → AMS Jul 9, 20:10 UTCJul 10, 05:05 UTC8h 55m
2026-07-09 KLM615 - Jul 9, 08:50 UTCJul 9, 18:05 UTC9h 15m
2026-07-08 KLM296 IAD → AMS Jul 8, 22:25 UTCJul 9, 05:20 UTC6h 55m
2026-07-08 KLM225 - Jul 8, 11:30 UTCJul 8, 19:05 UTC7h 35m
2026-07-08 KLM644 JFK → AMS Jul 8, 01:40 UTCJul 8, 08:15 UTC6h 35m
2026-07-07 KLM643 - Jul 7, 15:35 UTCJul 7, 22:55 UTC7h 20m
2026-07-07 KLM706 - Jul 7, 01:15 UTCJul 7, 11:55 UTC10h 40m
2026-07-06 KLM705 - Jul 6, 22:20 UTCJul 6, 22:35 UTC15m
2026-07-06 KLM705 - Jul 6, 11:20 UTCJul 6, 21:30 UTC10h 10m
2026-07-05 KLM282 SFO → AMS Jul 5, 22:05 UTCJul 6, 07:25 UTC9h 20m
2026-07-05 KLM373 - Jul 5, 09:00 UTCJul 5, 19:30 UTC10h 30m
2026-07-04 KLM296 IAD → AMS Jul 4, 21:45 UTCJul 5, 04:20 UTC6h 35m
2026-07-04 KLM225 AMS → IAD Jul 4, 11:30 UTCJul 4, 19:20 UTC7h 50m
2026-07-02 KLM642 JFK → AMS Jul 2, 21:30 UTCJul 3, 03:35 UTC6h 5m
2026-07-02 KLM641 AMS → JFK Jul 2, 10:55 UTCJul 2, 18:40 UTC7h 45m
2026-07-01 KLM282 SFO → AMS Jul 1, 21:25 UTCJul 2, 06:51 UTC9h 26m
2026-07-01 KLM373 AMS → SFO Jul 1, 08:10 UTCJul 1, 18:25 UTC10h 15m
2026-06-30 KLM48 - Jun 30, 22:00 UTCJul 1, 04:55 UTC6h 55m

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

Mode-S 485B42 frequently asked

What is Mode-S code 485B42?
485B42 is an ICAO 24-bit transponder address. Allocated to Netherlands. Assigned to PH-BKA.
Where is Mode-S 485B42 registered?
Mode-S code 485B42 is allocated to Netherlands (NL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 485B42 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 485B42, octal 22055502, decimal 4,741,954.
What flights does 485B42 operate?
Mode-S 485B42 has broadcast 20 distinct callsigns, including KLM705, KLM706, KLM644, KLM643, KLM565.