Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

4843F2

ICAO 24-bit transponder address · allocated to Netherlands

Currently assigned to PH-BQO · BOEING 777-200

Hex
4843F2
Octal
22041762
Decimal
4,735,986
Country
NL
Tail
PH-BQO
Type
B772
No current signal · last broadcast 4h ago
Flights observed
83
Distinct callsigns
20
Country
NL
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 4843F2.

Country allocation

The ICAO 24-bit address 4843F2 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
KLM702 KLM Royal Dutch Airlines 13 2026-04-18
KLM701 KLM Royal Dutch Airlines 9 2026-04-17
KLM268 KLM Royal Dutch Airlines 8 2026-05-01
KLM862 KLM Royal Dutch Airlines 6 2026-04-19
KLM896 KLM Royal Dutch Airlines 5 2026-05-20
KLM878 KLM Royal Dutch Airlines 4 2026-04-16
KLM895 KLM Royal Dutch Airlines 3 2026-05-19
KLM877 KLM Royal Dutch Airlines 3 2026-04-15
KLM861 KLM Royal Dutch Airlines 3 2026-04-18
KLM636 KLM Royal Dutch Airlines 3 2026-05-29
KLM635 KLM Royal Dutch Airlines 3 2026-05-28
KLM610 KLM Royal Dutch Airlines 3 2026-05-30
KLM609 KLM Royal Dutch Airlines 3 2026-05-29
KLM686 KLM Royal Dutch Airlines 2 2026-05-26
KLM685 KLM Royal Dutch Airlines 2 2026-05-25
KLM595 KLM Royal Dutch Airlines 2 2026-04-29
KLM105 KLM Royal Dutch Airlines 2 2026-05-21
KLM104 KLM Royal Dutch Airlines 2 2026-05-22
KLM844 KLM Royal Dutch Airlines 1 2026-04-24
KLM843 KLM Royal Dutch Airlines 1 2026-04-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 KLM610 SLC → AMS May 30, 05:00 UTCMay 30, 07:15 UTC2h 15m
2026-05-29 KLM609 AMS → SLC May 29, 16:50 UTCMay 30, 02:15 UTC9h 25m
2026-05-29 KLM636 LAS → AMS May 29, 03:40 UTCMay 29, 13:30 UTC9h 50m
2026-05-28 KLM635 AMS → LAS May 28, 15:30 UTCMay 29, 01:30 UTC10h 0m
2026-05-28 KLM610 SLC → AMS May 28, 03:50 UTCMay 28, 12:50 UTC9h 0m
2026-05-27 KLM609 AMS → SLC May 27, 15:55 UTCMay 28, 01:30 UTC9h 35m
2026-05-27 KLM636 LAS → AMS May 27, 03:50 UTCMay 27, 13:25 UTC9h 35m
2026-05-26 KLM635 AMS → LAS May 26, 15:14 UTCMay 27, 01:29 UTC10h 15m
2026-05-26 KLM686 MEX → AMS May 26, 02:39 UTCMay 26, 12:40 UTC10h 0m
2026-05-25 KLM685 AMS → MEX May 25, 13:00 UTCMay 26, 00:00 UTC10h 59m
2026-05-24 KLM636 LAS → AMS May 24, 03:35 UTCMay 24, 13:05 UTC9h 30m
2026-05-23 KLM635 AMS → LAS May 23, 15:20 UTCMay 24, 01:30 UTC10h 11m
2026-05-23 KLM610 SLC → AMS May 23, 03:55 UTCMay 23, 12:50 UTC8h 55m
2026-05-22 KLM609 AMS → SLC May 22, 15:45 UTCMay 23, 01:10 UTC9h 25m
2026-05-22 KLM104 AMS → JNB May 22, 00:00 UTCMay 22, 08:35 UTC8h 35m
2026-05-21 KLM104 AMS → JNB May 21, 21:15 UTCMay 21, 21:35 UTC20m
2026-05-21 KLM105 - May 21, 18:55 UTCMay 21, 19:20 UTC25m
2026-05-21 KLM105 - May 21, 08:40 UTCMay 21, 16:15 UTC7h 35m
2026-05-20 KLM896 PVG → AMS May 20, 05:05 UTCMay 20, 17:00 UTC11h 55m
2026-05-19 KLM896 PVG → AMS May 19, 20:35 UTCMay 20, 17:00 UTC20h 26m
2026-05-19 KLM896 PVG → AMS May 19, 14:35 UTCMay 20, 13:45 UTC23h 11m
2026-05-19 KLM895 AMS → PVG May 19, 13:35 UTCMay 20, 12:30 UTC22h 56m
2026-05-18 KLM642 JFK → AMS May 18, 20:55 UTCMay 19, 03:35 UTC6h 40m
2026-05-18 KLM641 AMS → JFK May 18, 10:55 UTCMay 18, 18:05 UTC7h 10m
2026-05-17 KLM896 PVG → AMS May 17, 12:25 UTCMay 17, 17:01 UTC4h 35m
2026-05-16 KLM896 PVG → AMS May 16, 17:15 UTCMay 17, 16:30 UTC23h 15m
2026-05-16 KLM895 AMS → PVG May 16, 14:35 UTCMay 17, 14:30 UTC23h 55m
2026-05-16 KLM895 AMS → PVG May 16, 13:15 UTCMay 17, 12:30 UTC23h 15m
2026-05-15 KLM744 LIM → AMS May 15, 23:00 UTCMay 16, 10:35 UTC11h 36m
2026-05-15 KLM743 AMS → LIM May 15, 08:20 UTCMay 15, 19:50 UTC11h 29m
2026-05-01 KLM268 PBM → AMS May 1, 08:35 UTCMay 2, 03:30 UTC18h 55m
2026-05-01 KLM268 PBM → AMS May 1, 07:30 UTCMay 2, 03:30 UTC20h 0m
2026-04-30 KLM268 PBM → AMS Apr 30, 08:35 UTCMay 1, 03:40 UTC19h 5m
2026-04-30 KLM268 PBM → AMS Apr 30, 07:30 UTCMay 1, 03:40 UTC20h 10m
2026-04-29 KLM596 CPT → AMS Apr 29, 06:00 UTCApr 29, 17:10 UTC11h 11m
2026-04-29 KLM595 AMS → CPT Apr 29, 03:40 UTCApr 29, 04:00 UTC20m
2026-04-28 KLM595 AMS → CPT Apr 28, 16:50 UTCApr 28, 18:45 UTC1h 55m
2026-04-28 KLM686 MEX → AMS Apr 28, 04:00 UTCApr 28, 14:20 UTC10h 20m
2026-04-27 KLM685 AMS → MEX Apr 27, 12:50 UTCApr 28, 00:00 UTC11h 10m
2026-04-24 KLM844 BKK → AMS Apr 24, 05:30 UTCApr 24, 17:25 UTC11h 55m
2026-04-23 KLM843 BKK → TPE Apr 23, 15:40 UTCApr 24, 02:15 UTC10h 35m
2026-04-22 KLM268 PBM → AMS Apr 22, 08:35 UTCApr 23, 03:45 UTC19h 10m
2026-04-22 KLM268 PBM → AMS Apr 22, 07:25 UTCApr 23, 03:45 UTC20h 20m
2026-04-20 KLM268 PBM → AMS Apr 20, 08:35 UTCApr 21, 03:35 UTC19h 0m
2026-04-20 KLM268 PBM → AMS Apr 20, 07:30 UTCApr 21, 03:35 UTC20h 5m
2026-04-19 KLM862 NRT → AMS Apr 19, 04:30 UTCApr 19, 17:40 UTC13h 10m
2026-04-18 KLM861 AMS → NRT Apr 18, 14:00 UTCApr 19, 02:20 UTC12h 20m
2026-04-18 KLM702 EZE → AMS Apr 18, 05:25 UTCApr 18, 07:00 UTC1h 35m
2026-04-18 KLM702 EZE → AMS Apr 18, 04:45 UTCApr 18, 06:40 UTC1h 55m
2026-04-18 KLM702 EZE → AMS Apr 18, 03:25 UTCApr 18, 05:20 UTC1h 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-BQO page for operator, model, and routing details .

Mode-S 4843F2 frequently asked

What is Mode-S code 4843F2?
4843F2 is an ICAO 24-bit transponder address. Allocated to Netherlands. Assigned to PH-BQO.
Where is Mode-S 4843F2 registered?
Mode-S code 4843F2 is allocated to Netherlands (NL). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4843F2 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4843F2, octal 22041762, decimal 4,735,986.
What flights does 4843F2 operate?
Mode-S 4843F2 has broadcast 20 distinct callsigns, including KLM702, KLM701, KLM268, KLM862, KLM896.