sensors Mode-S transponder

407798

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-XWBB · AIRBUS A-350-1000

Hex
407798
Octal
20073630
Decimal
4,224,920
Country
GB
Tail
G-XWBB
Type
A35K
Broadcasting now · callsign BAW8 · 33,000 ft
Flights observed
5
Distinct callsigns
3
Country
GB
Last broadcast
14h ago

Current position

407798 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 407798 falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom 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 3 distinct

Callsign Airline Flights Last seen
BAW59 British Airways 2 2026-04-13
BAW58L British Airways 2 2026-04-13
BAW7 British Airways 1 2026-04-14

Recent flights last 5

DateFlightRouteTakeoffLandingDuration
2026-04-14 BAW7 LHR → HND Apr 14, 09:10 UTCApr 14, 11:05 UTC1h 55m
2026-04-13 BAW58L CPT → LHR Apr 13, 20:05 UTCApr 13, 22:05 UTC2h 0m
2026-04-13 BAW58L CPT → LHR Apr 13, 17:05 UTCApr 13, 17:20 UTC15m
2026-04-13 BAW59 LHR → CPT Apr 13, 08:55 UTCApr 13, 09:20 UTC25m
2026-04-12 BAW59 LHR → CPT Apr 12, 23:55 UTCApr 13, 00:20 UTC25m

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 G-XWBB page for operator, model, and routing details .

Mode-S 407798 frequently asked

What is Mode-S code 407798?
407798 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-XWBB.
Where is Mode-S 407798 registered?
Mode-S code 407798 is allocated to United Kingdom (GB). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 407798 broadcasting right now?
Yes. Mode-S 407798 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 407798, octal 20073630, decimal 4,224,920.
What flights does 407798 operate?
Mode-S 407798 has broadcast 3 distinct callsigns, including BAW59, BAW58L, BAW7.