sensors Mode-S transponder

3F59F3

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to 15+11 · AIRBUS A-321neo

Hex
3F59F3
Octal
17654763
Decimal
4,151,795
Country
DE
Tail
15+11
Type
A21N
No current signal · last broadcast 10h ago
Flights observed
68
Distinct callsigns
20
Country
DE
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 3F59F3.

Country allocation

The ICAO 24-bit address 3F59F3 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
GAF869 - 4 2026-04-15
GAF780 - 4 2026-05-11
GAF742 - 4 2026-05-23
GAF722 - 4 2026-04-27
GAF704 - 4 2026-05-13
GAF917 - 3 2026-05-28
GAF746 - 3 2026-05-01
GAF744 - 3 2026-04-16
GAF738 - 3 2026-04-13
GAF729 - 3 2026-04-21
GAF728 - 3 2026-05-02
GAF726 - 3 2026-05-16
GAF723 - 3 2026-05-29
GAF712 - 3 2026-04-14
GAF710 - 3 2026-05-15
GAF700 - 3 2026-04-22
GAF877 - 2 2026-04-23
GAF743 - 2 2026-05-06
GAF741 - 2 2026-05-26
GAF740 - 2 2026-05-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 GAF723 - May 29, 16:05 UTCMay 29, 18:45 UTC2h 40m
2026-05-29 GAF723 - May 29, 12:05 UTCMay 29, 14:20 UTC2h 15m
2026-05-29 GAF723 - May 29, 10:05 UTCMay 29, 10:35 UTC30m
2026-05-28 GAF917 GDN → CGN May 28, 19:25 UTCMay 28, 20:40 UTC1h 15m
2026-05-28 GAF917 - May 28, 13:55 UTCMay 28, 17:45 UTC3h 50m
2026-05-27 GAF917 - May 27, 09:50 UTCMay 27, 13:30 UTC3h 40m
2026-05-26 GAF741 - May 26, 13:40 UTCMay 26, 16:15 UTC2h 35m
2026-05-26 GAF741 - May 26, 09:09 UTCMay 26, 11:30 UTC2h 20m
2026-05-23 GAF742 HAM → CGN May 23, 09:45 UTCMay 23, 10:20 UTC35m
2026-05-22 GAF742 - May 22, 13:05 UTCMay 22, 16:15 UTC3h 10m
2026-05-22 GAF742 - May 22, 10:50 UTCMay 22, 11:20 UTC29m
2026-05-22 GAF742 CGN → ATH May 22, 06:30 UTCMay 22, 09:15 UTC2h 45m
2026-05-19 GAF890 CGN → CGN May 19, 07:20 UTCMay 19, 10:40 UTC3h 20m
2026-05-18 GAF740 - May 18, 10:50 UTCMay 18, 12:15 UTC1h 25m
2026-05-18 GAF740 CGN → RZE May 18, 07:55 UTCMay 18, 09:25 UTC1h 30m
2026-05-16 GAF726 - May 16, 11:51 UTCMay 16, 13:21 UTC1h 30m
2026-05-16 GAF726 - May 16, 09:01 UTCMay 16, 10:20 UTC1h 20m
2026-05-16 GAF726 CGN → FRA May 16, 06:55 UTCMay 16, 07:20 UTC25m
2026-05-15 GAF710 HAM → CGN May 15, 20:40 UTCMay 15, 21:15 UTC35m
2026-05-15 GAF710 - May 15, 16:40 UTCMay 15, 19:15 UTC2h 35m
2026-05-15 GAF710 - May 15, 11:50 UTCMay 15, 13:55 UTC2h 5m
2026-05-13 GAF704 RLG → CGN May 13, 12:40 UTCMay 13, 13:31 UTC50m
2026-05-13 GAF704 - May 13, 10:20 UTCMay 13, 11:50 UTC1h 30m
2026-05-12 GAF704 - May 12, 12:50 UTCMay 13, 11:50 UTC23h 0m
2026-05-12 GAF704 - May 12, 11:10 UTCMay 13, 10:45 UTC23h 35m
2026-05-11 GAF780 - May 11, 00:10 UTCMay 11, 06:35 UTC6h 25m
2026-05-09 GAF780 - May 9, 12:00 UTCMay 9, 18:05 UTC6h 5m
2026-05-08 GAF780 - May 8, 12:00 UTCMay 8, 14:35 UTC2h 35m
2026-05-08 GAF780 CGN → BOO May 8, 08:05 UTCMay 8, 10:39 UTC2h 35m
2026-05-06 GAF752 CGN → CGN May 6, 12:01 UTCMay 6, 14:50 UTC2h 50m
2026-05-06 GAF743 BER → CGN May 6, 06:45 UTCMay 6, 07:35 UTC50m
2026-05-06 GAF743 CGN → BER May 6, 04:15 UTCMay 6, 05:00 UTC45m
2026-05-05 GAF714 RZE → CGN May 5, 11:05 UTCMay 5, 12:35 UTC1h 30m
2026-05-05 GAF714 - May 5, 08:05 UTCMay 5, 09:35 UTC1h 30m
2026-05-04 GAF864 CGN → CGN May 4, 07:45 UTCMay 4, 13:30 UTC5h 45m
2026-05-02 GAF728 - May 2, 13:15 UTCMay 2, 14:20 UTC1h 5m
2026-05-02 GAF728 - May 2, 10:15 UTCMay 2, 11:55 UTC1h 40m
2026-05-02 GAF728 - May 2, 08:00 UTCMay 2, 08:45 UTC45m
2026-05-01 GAF746 - May 1, 13:50 UTCMay 1, 16:30 UTC2h 40m
2026-05-01 GAF746 - May 1, 09:50 UTCMay 1, 11:50 UTC2h 0m
2026-05-01 GAF746 CGN → HAM May 1, 07:20 UTCMay 1, 08:05 UTC45m
2026-04-27 GAF722 - Apr 27, 10:15 UTCApr 27, 10:50 UTC35m
2026-04-27 GAF722 - Apr 27, 07:30 UTCApr 27, 09:20 UTC1h 50m
2026-04-27 GAF722 - Apr 27, 03:50 UTCApr 27, 05:45 UTC1h 55m
2026-04-26 GAF722 CGN → CGN Apr 26, 08:10 UTCApr 26, 17:55 UTC9h 45m
2026-04-23 GAF877 - Apr 23, 11:30 UTCApr 23, 12:15 UTC45m
2026-04-23 GAF877 CGN → BER Apr 23, 08:45 UTCApr 23, 09:40 UTC55m
2026-04-22 GAF700 MUC → CGN Apr 22, 19:40 UTCApr 22, 20:25 UTC45m
2026-04-22 GAF700 - Apr 22, 17:40 UTCApr 22, 18:35 UTC55m
2026-04-22 GAF700 - Apr 22, 13:35 UTCApr 22, 14:20 UTC45m

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 15+11 page for operator, model, and routing details .

Mode-S 3F59F3 frequently asked

What is Mode-S code 3F59F3?
3F59F3 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to 15+11.
Where is Mode-S 3F59F3 registered?
Mode-S code 3F59F3 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3F59F3 broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3F59F3, octal 17654763, decimal 4,151,795.
What flights does 3F59F3 operate?
Mode-S 3F59F3 has broadcast 20 distinct callsigns, including GAF869, GAF780, GAF742, GAF722, GAF704.