sensors Mode-S transponder

407DBF

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-DHLW · BOEING 777-200LR

Hex
407DBF
Octal
20076677
Decimal
4,226,495
Country
GB
Tail
G-DHLW
Type
B77L
No current signal · last broadcast 1h ago
Flights observed
253
Distinct callsigns
20
Country
GB
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 407DBF.

Country allocation

The ICAO 24-bit address 407DBF 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 20 distinct

Callsign Airline Flights Last seen
DHK053 - 34 2026-07-05
DHK593 - 27 2026-07-11
DHK054 - 24 2026-06-20
DHK591 - 19 2026-07-15
DHK528 - 18 2026-07-10
DHK597 - 15 2026-07-13
DHK009 - 12 2026-07-16
DHK011 - 8 2026-06-16
DHK057 DHL Air 7 2026-05-16
DHK056 - 7 2026-06-13
DHK055 - 7 2026-06-21
DHK540 - 6 2026-07-06
DHK058 DHL Air 6 2026-05-15
DHK052 DHL Air 6 2026-05-13
DHK051 DHL Air 6 2026-05-14
DHK524 DHL Air 5 2026-05-28
DHK703 - 4 2026-06-18
DHK314 DHL Air 4 2026-06-08
DHK076 - 4 2026-07-04
DHK536 - 3 2026-04-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 DHK146 - Jul 17, 10:20 UTCJul 17, 21:05 UTC10h 45m
2026-07-16 DHK009 - Jul 16, 14:35 UTCJul 17, 05:55 UTC15h 20m
2026-07-16 DHK238 - Jul 16, 09:30 UTCJul 16, 10:00 UTC30m
2026-07-15 DHK238 - Jul 15, 22:15 UTCJul 16, 02:35 UTC4h 20m
2026-07-15 DHK591 - Jul 15, 10:20 UTCJul 15, 18:50 UTC8h 30m
2026-07-15 DHK591 - Jul 15, 03:40 UTCJul 15, 07:25 UTC3h 45m
2026-07-15 DHK591 - Jul 15, 02:50 UTCJul 15, 02:55 UTC5m
2026-07-13 DHK597 - Jul 13, 17:30 UTCJul 13, 17:50 UTC20m
2026-07-13 DHK597 - Jul 13, 09:50 UTCJul 13, 15:45 UTC5h 55m
2026-07-13 DHK142 - Jul 13, 06:05 UTCJul 13, 06:55 UTC50m
2026-07-12 DHK142 - Jul 12, 20:35 UTCJul 13, 02:50 UTC6h 15m
2026-07-12 DHK597 EMA → LEJ Jul 12, 10:05 UTCJul 12, 11:30 UTC1h 25m
2026-07-11 DHK593 - Jul 11, 12:15 UTCJul 11, 21:05 UTC8h 50m
2026-07-11 DHK593 - Jul 11, 05:10 UTCJul 11, 08:45 UTC3h 35m
2026-07-11 DHK593 - Jul 11, 04:01 UTCJul 11, 04:15 UTC15m
2026-07-10 DHK528 - Jul 10, 15:05 UTCJul 10, 15:25 UTC20m
2026-07-10 DHK528 - Jul 10, 05:00 UTCJul 10, 08:25 UTC3h 25m
2026-07-10 DHK528 EMA → MXP Jul 10, 01:00 UTCJul 10, 02:35 UTC1h 35m
2026-07-09 DHK593 - Jul 9, 07:55 UTCJul 9, 16:30 UTC8h 35m
2026-07-09 DHK593 - Jul 9, 01:40 UTCJul 9, 05:00 UTC3h 20m
2026-07-08 DHK593 - Jul 8, 23:55 UTCJul 9, 00:10 UTC15m
2026-07-08 DHK528 - Jul 8, 12:45 UTCJul 8, 13:15 UTC30m
2026-07-08 DHK528 - Jul 8, 02:35 UTCJul 8, 04:40 UTC2h 5m
2026-07-07 DHK528 EMA → MXP Jul 7, 22:20 UTCJul 7, 23:50 UTC1h 30m
2026-07-07 DHK593 - Jul 7, 07:25 UTCJul 7, 16:10 UTC8h 45m
2026-07-07 DHK593 - Jul 7, 00:15 UTCJul 7, 04:10 UTC3h 55m
2026-07-06 DHK593 - Jul 6, 23:20 UTCJul 6, 23:35 UTC15m
2026-07-06 DHK540 ZGN → HKG Jul 6, 17:50 UTCJul 6, 18:25 UTC35m
2026-07-06 DHK540 - Jul 6, 09:05 UTCJul 6, 11:05 UTC2h 0m
2026-07-06 DHK540 EMA → TLV Jul 6, 02:20 UTCJul 6, 06:30 UTC4h 10m
2026-07-05 DHK053 LEJ → EMA Jul 5, 21:40 UTCJul 5, 23:05 UTC1h 25m
2026-07-05 DHK801 EMA → LEJ Jul 5, 17:25 UTCJul 5, 18:40 UTC1h 15m
2026-07-05 DHK800 LEJ → EMA Jul 5, 13:40 UTCJul 5, 15:10 UTC1h 30m
2026-07-05 DHK075 - Jul 5, 03:10 UTCJul 5, 07:10 UTC4h 0m
2026-07-05 DHK075 - Jul 5, 01:25 UTCJul 5, 01:40 UTC15m
2026-07-04 DHK076 - Jul 4, 03:50 UTCJul 4, 23:40 UTC19h 50m
2026-07-04 DHK076 - Jul 4, 03:35 UTCJul 4, 23:40 UTC20h 5m
2026-07-04 DHK076 - Jul 4, 01:15 UTCJul 4, 01:35 UTC20m
2026-07-03 DHK076 - Jul 3, 13:20 UTCJul 3, 23:55 UTC10h 35m
2026-07-02 DHK009 HKG → CVG Jul 2, 14:35 UTCJul 3, 05:05 UTC14h 30m
2026-07-01 DHK238 EMA → HKG Jul 1, 23:30 UTCJul 2, 12:10 UTC12h 40m
2026-07-01 DHK591 DEL → EMA Jul 1, 07:45 UTCJul 1, 16:10 UTC8h 25m
2026-07-01 DHK591 - Jul 1, 00:00 UTCJul 1, 04:05 UTC4h 5m
2026-06-30 DHK591 - Jun 30, 23:10 UTCJun 30, 23:25 UTC15m
2026-06-29 DHK597 - Jun 29, 17:10 UTCJun 29, 17:30 UTC20m
2026-06-29 DHK597 - Jun 29, 09:29 UTCJun 29, 16:25 UTC6h 55m
2026-06-29 DHK597 - Jun 29, 06:40 UTCJun 29, 06:59 UTC20m
2026-06-29 DHK597 - Jun 29, 01:25 UTCJun 29, 05:09 UTC3h 45m
2026-06-28 DHK597 EMA → LEJ Jun 28, 09:55 UTCJun 28, 11:19 UTC1h 25m
2026-06-27 DHK593 - Jun 27, 14:25 UTCJun 27, 23:04 UTC8h 40m

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

Mode-S 407DBF frequently asked

What is Mode-S code 407DBF?
407DBF is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-DHLW.
Where is Mode-S 407DBF registered?
Mode-S code 407DBF 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 407DBF broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 407DBF, octal 20076677, decimal 4,226,495.
What flights does 407DBF operate?
Mode-S 407DBF has broadcast 20 distinct callsigns, including DHK053, DHK593, DHK054, DHK591, DHK528.