Apparatus

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sensors Mode-S transponder

3CE686

ICAO 24-bit transponder address · allocated to Germany

Currently assigned to D-COPI · PILATUS PC-24

Hex
3CE686
Octal
17163206
Decimal
3,991,174
Country
DE
Tail
D-COPI
Type
PC24
Broadcasting now · callsign PTN39T · 35,000 ft
Flights observed
135
Distinct callsigns
20
Country
DE
Last broadcast
20m ago

Current position

3CE686 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3CE686 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
PTN94Q - 4 2026-04-15
PTN17K - 4 2026-04-13
PTN97L - 3 2026-04-17
PTN57T - 3 2026-06-17
PTN451E - 3 2026-07-11
PTN39E - 3 2026-06-28
PTN36D - 3 2026-04-14
PTN22U - 3 2026-07-06
PTN18G - 3 2026-04-20
PTN12N - 3 2026-06-18
PTN99Y - 2 2026-07-03
PTN98D - 2 2026-04-23
PTN93C - 2 2026-06-23
PTN93A - 2 2026-06-26
PTN87W - 2 2026-06-20
PTN86R - 2 2026-07-03
PTN81Y - 2 2026-06-22
PTN74A - 2 2026-06-14
PTN73Y - 2 2026-07-02
PTN73V - 2 2026-06-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 PTN39T - Jul 14, 15:20 UTCJul 14, 15:30 UTC10m
2026-07-14 PTN13S - Jul 14, 12:50 UTCJul 14, 13:50 UTC1h 0m
2026-07-13 PTN15A IBZ → CEQ Jul 13, 18:00 UTCJul 13, 19:30 UTC1h 30m
2026-07-12 PTN42N RTM → IBZ Jul 12, 23:15 UTCJul 13, 01:35 UTC2h 20m
2026-07-12 PTN37A - Jul 12, 15:01 UTCJul 12, 16:35 UTC1h 35m
2026-07-11 PTN62N - Jul 11, 19:25 UTCJul 11, 20:10 UTC45m
2026-07-11 PTN451E IBZ → ZRH Jul 11, 13:15 UTCJul 11, 15:25 UTC2h 10m
2026-07-11 PTN451E - Jul 11, 07:15 UTCJul 11, 09:40 UTC2h 25m
2026-07-10 PTN45M - Jul 10, 16:45 UTCJul 10, 17:35 UTC50m
2026-07-10 PTN72V - Jul 10, 13:00 UTCJul 10, 15:45 UTC2h 45m
2026-07-09 PTN72D - Jul 9, 13:50 UTCJul 9, 16:10 UTC2h 20m
2026-07-09 PTN34G - Jul 9, 10:25 UTCJul 9, 12:30 UTC2h 5m
2026-07-09 PTN34G - Jul 9, 08:15 UTCJul 9, 08:45 UTC30m
2026-07-09 PTN15L LIN → IBZ Jul 9, 05:55 UTCJul 9, 07:30 UTC1h 35m
2026-07-08 PTN15L - Jul 8, 16:55 UTCJul 8, 17:35 UTC40m
2026-07-08 PTN97D - Jul 8, 13:55 UTCJul 8, 15:15 UTC1h 20m
2026-07-07 PTN33H - Jul 7, 17:20 UTCJul 7, 18:10 UTC50m
2026-07-07 PTN33H - Jul 7, 15:55 UTCJul 7, 16:50 UTC55m
2026-07-06 PTN22U - Jul 6, 15:15 UTCJul 6, 16:30 UTC1h 15m
2026-07-06 PTN22U ATH → BLQ Jul 6, 07:20 UTCJul 6, 09:30 UTC2h 10m
2026-07-05 PTN22U - Jul 5, 14:10 UTCJul 5, 15:15 UTC1h 5m
2026-07-05 PTN26T - Jul 5, 12:00 UTCJul 5, 13:00 UTC1h 0m
2026-07-04 PTN93S NCE → ATH Jul 4, 10:25 UTCJul 4, 12:40 UTC2h 15m
2026-07-03 PTN99Y - Jul 3, 18:05 UTCJul 3, 19:10 UTC1h 5m
2026-07-03 PTN99Y - Jul 3, 16:20 UTCJul 3, 17:00 UTC40m
2026-07-03 PTN86R - Jul 3, 11:15 UTCJul 3, 13:15 UTC2h 0m
2026-07-03 PTN86R - Jul 3, 09:40 UTCJul 3, 10:25 UTC45m
2026-07-02 PTN77T - Jul 2, 11:55 UTCJul 2, 12:40 UTC45m
2026-07-02 PTN73Y - Jul 2, 08:40 UTCJul 2, 09:50 UTC1h 10m
2026-07-01 PTN73Y BLQ → OBF Jul 1, 17:50 UTCJul 1, 18:40 UTC50m
2026-07-01 PTN91H MAN → BLQ Jul 1, 14:15 UTCJul 1, 16:35 UTC2h 20m
2026-06-30 PTN47U - Jun 30, 13:30 UTCJun 30, 16:00 UTC2h 30m
2026-06-30 PTN46Q - Jun 30, 09:20 UTCJun 30, 11:30 UTC2h 10m
2026-06-29 PTN31Z LIS → LTN Jun 29, 09:40 UTCJun 29, 12:09 UTC2h 30m
2026-06-29 PTN31Z MAH → LIS Jun 29, 05:45 UTCJun 29, 07:34 UTC1h 50m
2026-06-28 PTN66Q - Jun 28, 15:49 UTCJun 28, 17:44 UTC1h 55m
2026-06-28 PTN66Q ZRH → MST Jun 28, 13:29 UTCJun 28, 14:25 UTC55m
2026-06-28 PTN39E - Jun 28, 09:15 UTCJun 28, 10:44 UTC1h 30m
2026-06-27 PTN451E IBZ → FAB Jun 27, 13:35 UTCJun 27, 15:34 UTC2h 0m
2026-06-27 PTN28P MAN → IBZ Jun 27, 08:35 UTCJun 27, 11:09 UTC2h 35m
2026-06-26 PTN53C - Jun 26, 16:20 UTCJun 26, 16:54 UTC35m
2026-06-26 PTN39E ZRH → FAB Jun 26, 13:55 UTCJun 26, 15:34 UTC1h 40m
2026-06-26 PTN39E BQH → ZRH Jun 26, 10:50 UTCJun 26, 12:10 UTC1h 20m
2026-06-26 PTN93A - Jun 26, 07:14 UTCJun 26, 09:35 UTC2h 20m
2026-06-25 PTN93A - Jun 25, 13:59 UTCJun 25, 15:04 UTC1h 5m
2026-06-25 PTN95E OLB → MXP Jun 25, 09:45 UTCJun 25, 10:35 UTC50m
2026-06-25 PTN11N - Jun 25, 07:15 UTCJun 25, 08:20 UTC1h 5m
2026-06-25 PTN96Y ZRH → BRN Jun 25, 05:44 UTCJun 25, 06:00 UTC15m
2026-06-24 PTN22X - Jun 24, 14:55 UTCJun 24, 17:50 UTC2h 55m
2026-06-24 PTN22X - Jun 24, 12:25 UTCJun 24, 13:24 UTC1h 0m

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

Mode-S 3CE686 frequently asked

What is Mode-S code 3CE686?
3CE686 is an ICAO 24-bit transponder address. Allocated to Germany. Assigned to D-COPI.
Where is Mode-S 3CE686 registered?
Mode-S code 3CE686 is allocated to Germany (DE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3CE686 broadcasting right now?
Yes. Mode-S 3CE686 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3CE686, octal 17163206, decimal 3,991,174.
What flights does 3CE686 operate?
Mode-S 3CE686 has broadcast 20 distinct callsigns, including PTN94Q, PTN17K, PTN97L, PTN57T, PTN451E.