Apparatus

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sensors Mode-S transponder

3C4B2F

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-ABYO · BOEING 747-8

Hex
3C4B2F
Octal
17045457
Decimal
3,951,407
Country
DE
Tail
D-ABYO
Type
B748
No current signal · last broadcast 1h ago
Flights observed
127
Distinct callsigns
20
Country
DE
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 3C4B2F.

Country allocation

The ICAO 24-bit address 3C4B2F 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
DLH716 Lufthansa 14 2026-07-05
DLH717 Lufthansa 11 2026-07-06
DLH511 - 11 2026-07-09
DLH510 - 11 2026-07-08
DLH499 - 8 2026-07-14
DLH498 - 8 2026-07-13
DLH403 - 6 2026-07-07
DLH463 - 5 2026-07-11
DLH462 - 5 2026-07-11
DLH457 - 5 2026-07-12
DLH456 - 5 2026-07-12
DLH402 - 5 2026-07-07
DLH573 Lufthansa 4 2026-06-05
DLH572 Lufthansa 4 2026-06-04
DLH431 - 3 2026-06-26
DLH430 Lufthansa 3 2026-06-26
DLH781 Lufthansa 2 2026-04-19
DLH780 Lufthansa 2 2026-04-19
DLH507 - 2 2026-07-01
DLH506 Lufthansa 2 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DLH499 - Jul 14, 02:55 UTCJul 14, 07:45 UTC4h 50m
2026-07-13 DLH498 FRA → MEX Jul 13, 12:10 UTCJul 13, 23:05 UTC10h 55m
2026-07-12 DLH457 - Jul 12, 22:20 UTCJul 13, 08:25 UTC10h 5m
2026-07-12 DLH456 FRA → LAX Jul 12, 09:05 UTCJul 12, 19:55 UTC10h 50m
2026-07-11 DLH463 - Jul 11, 21:40 UTCJul 12, 06:01 UTC8h 20m
2026-07-11 DLH462 - Jul 11, 09:10 UTCJul 11, 18:15 UTC9h 5m
2026-07-10 DLH423 - Jul 10, 22:15 UTCJul 11, 04:35 UTC6h 20m
2026-07-10 DLH7K FRA → BOS Jul 10, 11:55 UTCJul 10, 19:40 UTC7h 45m
2026-07-09 DLH511 - Jul 9, 19:40 UTCJul 10, 08:15 UTC12h 35m
2026-07-08 DLH510 FRA → EZE Jul 8, 20:20 UTCJul 9, 09:25 UTC13h 5m
2026-07-07 DLH403 EWR → FRA Jul 7, 22:55 UTCJul 8, 05:45 UTC6h 50m
2026-07-07 DLH402 FRA → EWR Jul 7, 12:10 UTCJul 7, 19:35 UTC7h 25m
2026-07-06 DLH717 HND → FRA Jul 6, 04:00 UTCJul 6, 17:45 UTC13h 45m
2026-07-05 DLH716 FRA → HND Jul 5, 13:35 UTCJul 6, 01:35 UTC12h 0m
2026-07-04 DLH511 EZE → FRA Jul 4, 19:50 UTCJul 5, 08:25 UTC12h 35m
2026-07-03 DLH510 FRA → EZE Jul 3, 20:15 UTCJul 4, 09:30 UTC13h 15m
2026-07-03 DLH499 MEX → FRA Jul 3, 02:35 UTCJul 3, 12:40 UTC10h 5m
2026-07-02 DLH498 FRA → MEX Jul 2, 12:15 UTCJul 2, 23:25 UTC11h 10m
2026-07-01 DLH507 - Jul 1, 21:40 UTCJul 2, 08:40 UTC11h 0m
2026-06-30 DLH506 FRA → GRU Jun 30, 20:55 UTCJul 1, 08:05 UTC11h 10m
2026-06-29 DLH511 EZE → FRA Jun 29, 19:39 UTCJun 30, 08:35 UTC12h 56m
2026-06-28 DLH510 FRA → EZE Jun 28, 20:25 UTCJun 29, 09:29 UTC13h 5m
2026-06-28 DLH499 MEX → FRA Jun 28, 04:25 UTCJun 28, 14:14 UTC9h 50m
2026-06-27 DLH498 FRA → MEX Jun 27, 13:30 UTCJun 28, 00:39 UTC11h 10m
2026-06-26 DLH431 ORD → FRA Jun 26, 22:10 UTCJun 27, 05:44 UTC7h 35m
2026-06-26 DLH430 FRA → ORD Jun 26, 10:20 UTCJun 26, 18:39 UTC8h 20m
2026-06-25 DLH403 EWR → FRA Jun 25, 22:49 UTCJun 26, 05:19 UTC6h 30m
2026-06-25 DLH402 FRA → EWR Jun 25, 12:35 UTCJun 25, 20:19 UTC7h 45m
2026-06-24 DLH511 EZE → FRA Jun 24, 19:44 UTCJun 25, 08:30 UTC12h 45m
2026-06-23 DLH510 FRA → EZE Jun 23, 20:10 UTCJun 24, 09:05 UTC12h 55m
2026-06-23 DLH717 HND → FRA Jun 23, 03:20 UTCJun 23, 16:59 UTC13h 40m
2026-06-22 DLH716 FRA → HND Jun 22, 12:49 UTCJun 23, 00:19 UTC11h 30m
2026-06-21 DLH499 MEX → FRA Jun 21, 02:55 UTCJun 21, 12:49 UTC9h 55m
2026-06-20 DLH498 FRA → MEX Jun 20, 12:14 UTCJun 20, 23:45 UTC11h 30m
2026-06-19 DLH457 - Jun 19, 22:30 UTCJun 20, 08:39 UTC10h 10m
2026-06-19 DLH456 FRA → LAX Jun 19, 09:44 UTCJun 19, 20:19 UTC10h 35m
2026-06-18 DLH419 IAD → FRA Jun 18, 22:25 UTCJun 19, 05:24 UTC6h 59m
2026-06-18 DLH3W FRA → IAD Jun 18, 11:50 UTCJun 18, 19:50 UTC8h 0m
2026-06-17 DLH511 EZE → FRA Jun 17, 19:45 UTCJun 18, 07:55 UTC12h 10m
2026-06-16 DLH510 FRA → EZE Jun 16, 20:05 UTCJun 17, 09:30 UTC13h 25m
2026-06-16 DLH499 MEX → FRA Jun 16, 03:00 UTCJun 16, 12:50 UTC9h 50m
2026-06-15 DLH498 FRA → MEX Jun 15, 12:19 UTCJun 15, 23:39 UTC11h 20m
2026-06-14 DLH717 HND → FRA Jun 14, 03:20 UTCJun 14, 16:50 UTC13h 31m
2026-06-13 DLH716 FRA → HND Jun 13, 12:40 UTCJun 14, 00:40 UTC12h 0m
2026-06-12 DLH431 ORD → FRA Jun 12, 22:25 UTCJun 13, 05:50 UTC7h 24m
2026-06-12 DLH430 FRA → ORD Jun 12, 09:30 UTCJun 12, 17:55 UTC8h 25m
2026-06-11 DLH499 MEX → FRA Jun 11, 03:15 UTCJun 11, 13:30 UTC10h 15m
2026-06-10 DLH498 FRA → MEX Jun 10, 11:55 UTCJun 10, 22:55 UTC11h 0m
2026-06-09 DLH457 LAX → FRA Jun 9, 22:35 UTCJun 10, 08:35 UTC10h 0m
2026-06-09 DLH456 FRA → LAX Jun 9, 09:30 UTCJun 9, 20:15 UTC10h 45m

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

Mode-S 3C4B2F frequently asked

What is Mode-S code 3C4B2F?
3C4B2F is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-ABYO.
Where is Mode-S 3C4B2F registered?
Mode-S code 3C4B2F is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C4B2F 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 3C4B2F, octal 17045457, decimal 3,951,407.
What flights does 3C4B2F operate?
Mode-S 3C4B2F has broadcast 20 distinct callsigns, including DLH716, DLH717, DLH511, DLH510, DLH499.