Apparatus

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sensors Mode-S transponder

3C5B32

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-AFYR · AIRBUS A-330-300

Hex
3C5B32
Octal
17055462
Decimal
3,955,506
Country
DE
Tail
D-AFYR
Type
A333
No current signal · last broadcast 1d ago
Flights observed
137
Distinct callsigns
20
Country
DE
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 3C5B32.

Country allocation

The ICAO 24-bit address 3C5B32 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
OCN659 - 19 2026-07-07
OCN642 - 19 2026-07-07
OCN133 - 11 2026-07-04
OCN69 - 9 2026-06-13
OCN68 O Air 9 2026-06-12
OCN132W O Air 8 2026-07-02
OCN77 O Air 7 2026-05-19
OCN76 O Air 7 2026-05-19
OCN12 - 7 2026-07-12
OCN135K O Air 6 2026-05-22
OCN11 - 6 2026-07-11
OCN539 - 4 2026-07-08
OCN52 - 4 2026-07-08
OCN51 - 3 2026-06-17
OCN50 O Air 3 2026-06-17
OCN134 O Air 3 2026-05-21
OCN74 - 2 2026-07-01
OCN156 - 2 2026-07-05
OCN75 - 1 2026-06-21
OCN731 - 1 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 OCN12 LAS → FRA Jul 12, 04:15 UTCJul 12, 14:35 UTC10h 20m
2026-07-11 OCN11 FRA → LAS Jul 11, 12:15 UTCJul 11, 23:30 UTC11h 15m
2026-07-08 OCN539 - Jul 8, 21:35 UTCJul 9, 05:25 UTC7h 50m
2026-07-08 OCN52 - Jul 8, 10:05 UTCJul 8, 19:00 UTC8h 55m
2026-07-07 OCN659 TPA → FRA Jul 7, 22:10 UTCJul 8, 07:20 UTC9h 10m
2026-07-07 OCN642 FRA → TPA Jul 7, 10:05 UTCJul 7, 19:50 UTC9h 45m
2026-07-05 OCN156 - Jul 5, 20:10 UTCJul 5, 22:50 UTC2h 40m
2026-07-05 OCN12 LAS → FRA Jul 5, 04:10 UTCJul 5, 14:25 UTC10h 15m
2026-07-04 OCN11 FRA → LAS Jul 4, 12:15 UTCJul 4, 23:10 UTC10h 55m
2026-07-04 OCN133 - Jul 4, 00:35 UTCJul 4, 03:10 UTC2h 35m
2026-07-03 OCN133 - Jul 3, 02:35 UTCJul 4, 02:30 UTC23h 55m
2026-07-02 OCN132W FRA → WDH Jul 2, 20:45 UTCJul 3, 04:30 UTC7h 45m
2026-07-02 OCN731 - Jul 2, 01:55 UTCJul 2, 07:40 UTC5h 45m
2026-07-01 OCN74 - Jul 1, 16:50 UTCJul 1, 23:35 UTC6h 45m
2026-06-30 OCN659 TPA → FRA Jun 30, 22:25 UTCJul 1, 07:15 UTC8h 50m
2026-06-30 OCN642 FRA → TPA Jun 30, 10:10 UTCJun 30, 20:20 UTC10h 10m
2026-06-29 OCN157 - Jun 29, 22:59 UTCJun 30, 03:20 UTC4h 21m
2026-06-28 OCN156 - Jun 28, 20:14 UTCJun 28, 22:59 UTC2h 45m
2026-06-28 OCN12 - Jun 28, 04:25 UTCJun 28, 14:45 UTC10h 20m
2026-06-27 OCN11 FRA → LAS Jun 27, 12:45 UTCJun 27, 23:55 UTC11h 10m
2026-06-27 OCN133 - Jun 27, 01:15 UTCJun 27, 03:09 UTC1h 55m
2026-06-25 OCN132W FRA → WDH Jun 25, 20:34 UTCJun 26, 04:30 UTC7h 55m
2026-06-24 OCN539 MSP → FRA Jun 24, 21:24 UTCJun 25, 05:25 UTC8h 0m
2026-06-24 OCN52 FRA → MSP Jun 24, 09:55 UTCJun 24, 18:44 UTC8h 50m
2026-06-23 OCN659 TPA → FRA Jun 23, 22:10 UTCJun 24, 06:55 UTC8h 45m
2026-06-23 OCN642 FRA → TPA Jun 23, 10:15 UTCJun 23, 19:59 UTC9h 45m
2026-06-22 OCN659 TPA → FRA Jun 22, 22:15 UTCJun 23, 07:05 UTC8h 50m
2026-06-22 OCN642 FRA → TPA Jun 22, 10:00 UTCJun 22, 20:00 UTC10h 0m
2026-06-21 OCN75 - Jun 21, 23:24 UTCJun 22, 04:59 UTC5h 35m
2026-06-21 OCN74 - Jun 21, 14:10 UTCJun 21, 20:59 UTC6h 50m
2026-06-20 OCN617 RSW → FRA Jun 20, 23:45 UTCJun 21, 08:04 UTC8h 20m
2026-06-20 OCN601 FRA → RSW Jun 20, 11:54 UTCJun 20, 21:44 UTC9h 50m
2026-06-19 OCN539 MSP → FRA Jun 19, 21:19 UTCJun 20, 05:29 UTC8h 10m
2026-06-19 OCN52 FRA → MSP Jun 19, 10:14 UTCJun 19, 18:49 UTC8h 35m
2026-06-18 OCN659 TPA → FRA Jun 18, 22:10 UTCJun 19, 06:54 UTC8h 44m
2026-06-18 OCN642 FRA → TPA Jun 18, 09:55 UTCJun 18, 19:45 UTC9h 50m
2026-06-17 OCN51 - Jun 17, 22:35 UTCJun 18, 05:30 UTC6h 55m
2026-06-17 OCN50 FRA → PHL Jun 17, 11:50 UTCJun 17, 20:10 UTC8h 20m
2026-06-14 OCN51 - Jun 14, 22:05 UTCJun 15, 05:10 UTC7h 5m
2026-06-14 OCN50 FRA → PHL Jun 14, 11:35 UTCJun 14, 19:50 UTC8h 15m
2026-06-13 OCN69 MCO → FRA Jun 13, 00:10 UTCJun 13, 08:50 UTC8h 39m
2026-06-12 OCN68 FRA → MCO Jun 12, 12:05 UTCJun 12, 21:45 UTC9h 40m
2026-06-11 OCN4087 - Jun 11, 16:40 UTCJun 11, 17:40 UTC1h 0m
2026-05-24 OCN4086 - May 24, 08:30 UTCMay 24, 09:25 UTC55m
2026-05-24 OCN133 WDH → FRA May 24, 01:10 UTCMay 24, 03:15 UTC2h 5m
2026-05-22 OCN132W FRA → WDH May 22, 20:15 UTCMay 22, 21:50 UTC1h 35m
2026-05-22 OCN135K MBA → FRA May 22, 13:50 UTCMay 22, 17:35 UTC3h 45m
2026-05-21 OCN135K MBA → FRA May 21, 20:35 UTCMay 22, 17:35 UTC21h 0m
2026-05-21 OCN135K MBA → FRA May 21, 18:35 UTCMay 22, 17:35 UTC23h 0m
2026-05-21 OCN134 FRA → ZNZ May 21, 17:50 UTCMay 22, 16:30 UTC22h 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 D-AFYR page for operator, model, and routing details .

Mode-S 3C5B32 frequently asked

What is Mode-S code 3C5B32?
3C5B32 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-AFYR.
Where is Mode-S 3C5B32 registered?
Mode-S code 3C5B32 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3C5B32 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3C5B32, octal 17055462, decimal 3,955,506.
What flights does 3C5B32 operate?
Mode-S 3C5B32 has broadcast 20 distinct callsigns, including OCN659, OCN642, OCN133, OCN69, OCN68.