Apparatus

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sensors Mode-S transponder

3C4B26

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-ABYF · BOEING 747-8

Hex
3C4B26
Octal
17045446
Decimal
3,951,398
Country
DE
Tail
D-ABYF
Type
B748
Broadcasting now · callsign DLH462 · 25,350 ft
Flights observed
130
Distinct callsigns
20
Country
DE
Last broadcast
6h ago

Current position

3C4B26 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3C4B26 falls within the block assigned to Germany (DE) by ICAO Annex 10, Volume III. Every aircraft registered in Germany 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
DLH431 - 18 2026-07-09
DLH430 - 13 2026-07-09
DLH499 Lufthansa 10 2026-07-05
DLH507 - 9 2026-06-23
DLH498 Lufthansa 8 2026-07-04
DLH573 - 7 2026-07-12
DLH572 - 7 2026-07-11
DLH506 Lufthansa 7 2026-06-22
DLH457 - 7 2026-07-10
DLH456 - 7 2026-07-10
DLH403 - 7 2026-06-28
DLH402 - 7 2026-06-28
DLH462 - 6 2026-07-14
DLH463 - 5 2026-06-30
DLH455 - 4 2026-07-07
DLH454 Lufthansa 4 2026-07-07
DLH9891 - 1 2026-06-18
DLH7K - 1 2026-07-13
DLH423 - 1 2026-07-13
DLH3W - 1 2026-06-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DLH462 - Jul 14, 09:30 UTCJul 14, 11:25 UTC1h 55m
2026-07-13 DLH423 BOS → FRA Jul 13, 22:45 UTCJul 14, 05:15 UTC6h 30m
2026-07-13 DLH7K FRA → BOS Jul 13, 13:15 UTCJul 13, 20:10 UTC6h 55m
2026-07-12 DLH573 - Jul 12, 17:20 UTCJul 13, 03:20 UTC10h 0m
2026-07-11 DLH572 - Jul 11, 20:45 UTCJul 12, 06:25 UTC9h 40m
2026-07-10 DLH457 - Jul 10, 22:35 UTCJul 11, 08:45 UTC10h 10m
2026-07-10 DLH456 - Jul 10, 09:15 UTCJul 10, 20:15 UTC11h 0m
2026-07-09 DLH431 ORD → FRA Jul 9, 22:15 UTCJul 10, 05:35 UTC7h 20m
2026-07-09 DLH430 FRA → ORD Jul 9, 09:40 UTCJul 9, 18:05 UTC8h 25m
2026-07-07 DLH455 SFO → FRA Jul 7, 22:50 UTCJul 8, 08:35 UTC9h 45m
2026-07-07 DLH454 FRA → SFO Jul 7, 08:55 UTCJul 7, 19:55 UTC11h 0m
2026-07-06 DLH573 JNB → FRA Jul 6, 17:35 UTCJul 7, 03:15 UTC9h 40m
2026-07-05 DLH572 - Jul 5, 20:45 UTCJul 6, 06:45 UTC10h 0m
2026-07-05 DLH499 MEX → FRA Jul 5, 02:40 UTCJul 5, 12:35 UTC9h 55m
2026-07-04 DLH498 FRA → MEX Jul 4, 12:05 UTCJul 4, 23:30 UTC11h 25m
2026-07-02 DLH457 - Jul 2, 22:50 UTCJul 3, 08:30 UTC9h 40m
2026-07-02 DLH456 FRA → LAX Jul 2, 09:35 UTCJul 2, 20:25 UTC10h 50m
2026-07-01 DLH431 - Jul 1, 22:15 UTCJul 2, 05:25 UTC7h 10m
2026-07-01 DLH430 FRA → ORD Jul 1, 09:40 UTCJul 1, 18:30 UTC8h 50m
2026-06-30 DLH463 - Jun 30, 21:25 UTCJul 1, 05:35 UTC8h 10m
2026-06-30 DLH462 FRA → MIA Jun 30, 09:30 UTCJun 30, 18:45 UTC9h 15m
2026-06-28 DLH403 EWR → FRA Jun 28, 22:55 UTCJun 29, 05:24 UTC6h 30m
2026-06-28 DLH402 FRA → EWR Jun 28, 12:25 UTCJun 28, 20:09 UTC7h 45m
2026-06-27 DLH455 SFO → FRA Jun 27, 01:24 UTCJun 27, 11:35 UTC10h 10m
2026-06-26 DLH454 FRA → SFO Jun 26, 09:59 UTCJun 26, 20:40 UTC10h 40m
2026-06-25 DLH499 MEX → FRA Jun 25, 02:49 UTCJun 25, 12:40 UTC9h 50m
2026-06-24 DLH498 FRA → MEX Jun 24, 12:20 UTCJun 24, 23:40 UTC11h 20m
2026-06-23 DLH507 - Jun 23, 21:49 UTCJun 24, 08:39 UTC10h 50m
2026-06-22 DLH506 FRA → GRU Jun 22, 20:55 UTCJun 23, 07:55 UTC11h 0m
2026-06-21 DLH403 EWR → FRA Jun 21, 22:44 UTCJun 22, 05:24 UTC6h 40m
2026-06-21 DLH402 FRA → EWR Jun 21, 11:55 UTCJun 21, 19:34 UTC7h 40m
2026-06-20 DLH455 SFO → FRA Jun 20, 22:25 UTCJun 21, 08:25 UTC10h 0m
2026-06-20 DLH454 FRA → SFO Jun 20, 09:24 UTCJun 20, 19:55 UTC10h 30m
2026-06-19 DLH499 MEX → FRA Jun 19, 03:44 UTCJun 19, 13:54 UTC10h 10m
2026-06-18 DLH498 FRA → MEX Jun 18, 12:50 UTCJun 19, 00:05 UTC11h 15m
2026-06-18 DLH9891 IAD → FRA Jun 18, 01:30 UTCJun 18, 08:20 UTC6h 50m
2026-06-17 DLH3W FRA → IAD Jun 17, 12:00 UTCJun 17, 19:55 UTC7h 55m
2026-06-16 DLH403 EWR → FRA Jun 16, 23:05 UTCJun 17, 05:30 UTC6h 25m
2026-06-16 DLH402 FRA → EWR Jun 16, 12:50 UTCJun 16, 20:25 UTC7h 36m
2026-06-15 DLH431 - Jun 15, 21:40 UTCJun 16, 05:15 UTC7h 35m
2026-06-15 DLH430 FRA → ORD Jun 15, 09:20 UTCJun 15, 17:59 UTC8h 40m
2026-06-14 DLH573 JNB → FRA Jun 14, 17:15 UTCJun 15, 03:15 UTC9h 59m
2026-06-13 DLH572 - Jun 13, 20:40 UTCJun 14, 06:20 UTC9h 41m
2026-06-12 DLH457 - Jun 12, 23:05 UTCJun 13, 09:15 UTC10h 9m
2026-06-12 DLH456 FRA → LAX Jun 12, 10:00 UTCJun 12, 20:35 UTC10h 35m
2026-06-11 DLH463 MIA → FRA Jun 11, 21:55 UTCJun 12, 06:25 UTC8h 31m
2026-06-11 DLH462 FRA → MIA Jun 11, 09:45 UTCJun 11, 19:10 UTC9h 25m
2026-06-10 DLH463 MIA → FRA Jun 10, 21:30 UTCJun 11, 05:45 UTC8h 15m
2026-06-10 DLH462 FRA → MIA Jun 10, 09:20 UTCJun 10, 18:40 UTC9h 20m
2026-06-09 DLH463 MIA → FRA Jun 9, 21:30 UTCJun 10, 05:50 UTC8h 20m

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 D-ABYF page for operator, model, and routing details .

Mode-S 3C4B26 frequently asked

What is Mode-S code 3C4B26?
3C4B26 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-ABYF.
Where is Mode-S 3C4B26 registered?
Mode-S code 3C4B26 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C4B26 broadcasting right now?
Yes. Mode-S 3C4B26 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C4B26, octal 17045446, decimal 3,951,398.
What flights does 3C4B26 operate?
Mode-S 3C4B26 has broadcast 20 distinct callsigns, including DLH431, DLH430, DLH499, DLH507, DLH498.