Apparatus

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sensors Mode-S transponder

440CDB

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-GPP · CESSNA 560XL Citation XLS

Hex
440CDB
Octal
21006333
Decimal
4,459,739
Country
AT
Tail
OE-GPP
Type
C56X
No current signal · last broadcast 8h ago
Flights observed
186
Distinct callsigns
20
Country
AT
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 440CDB.

Country allocation

The ICAO 24-bit address 440CDB falls within the block assigned to Austria (AT) by ICAO Annex 10, Volume III. Every aircraft registered in Austria 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
JFL978 - 6 2026-06-11
JFL293 - 6 2026-07-05
JFL126 - 6 2026-07-04
JFL474 - 5 2026-07-09
JFL086 - 5 2026-06-23
JFL934 - 4 2026-06-05
JFL811 - 4 2026-04-17
JFL801 - 4 2026-04-13
JFL611 - 4 2026-05-31
JFL205 - 4 2026-04-15
JFL172 - 4 2026-05-28
JFL971 - 3 2026-06-02
JFL861 - 3 2026-06-14
JFL805 - 3 2026-05-22
JFL795 - 3 2026-04-26
JFL739 - 3 2026-05-16
JFL603 - 3 2026-05-04
JFL444 - 3 2026-06-01
JFL337 - 3 2026-04-14
JFL326 - 3 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 JFL169 - Jul 13, 17:55 UTCJul 13, 18:55 UTC1h 0m
2026-07-13 JFL169 - Jul 13, 14:40 UTCJul 13, 16:40 UTC2h 0m
2026-07-13 JFL169 - Jul 13, 07:15 UTCJul 13, 10:20 UTC3h 5m
2026-07-12 JFL114 VIE → IBZ Jul 12, 12:55 UTCJul 12, 15:25 UTC2h 30m
2026-07-12 JFL275 - Jul 12, 10:05 UTCJul 12, 11:20 UTC1h 15m
2026-07-12 JFL275 - Jul 12, 08:15 UTCJul 12, 09:25 UTC1h 10m
2026-07-11 JFL455 - Jul 11, 08:40 UTCJul 11, 10:25 UTC1h 45m
2026-07-11 JFL455 NCE → LBG Jul 11, 06:20 UTCJul 11, 07:35 UTC1h 15m
2026-07-10 JFL147 - Jul 10, 14:40 UTCJul 10, 15:35 UTC55m
2026-07-10 JFL513 - Jul 10, 12:50 UTCJul 10, 13:20 UTC30m
2026-07-10 JFL513 - Jul 10, 08:10 UTCJul 10, 11:30 UTC3h 20m
2026-07-09 JFL474 - Jul 9, 11:45 UTCJul 9, 15:40 UTC3h 55m
2026-07-09 JFL474 - Jul 9, 08:15 UTCJul 9, 10:25 UTC2h 10m
2026-07-07 JFL797 - Jul 7, 14:15 UTCJul 7, 15:30 UTC1h 15m
2026-07-07 JFL797 - Jul 7, 12:50 UTCJul 7, 13:45 UTC55m
2026-07-06 JFL386 - Jul 6, 11:30 UTCJul 6, 12:55 UTC1h 25m
2026-07-06 JFL386 - Jul 6, 09:10 UTCJul 6, 10:10 UTC1h 0m
2026-07-05 JFL293 - Jul 5, 13:40 UTCJul 5, 15:15 UTC1h 35m
2026-07-05 JFL293 - Jul 5, 11:10 UTCJul 5, 11:55 UTC45m
2026-07-04 JFL126 - Jul 4, 16:10 UTCJul 4, 17:40 UTC1h 30m
2026-07-04 JFL126 - Jul 4, 12:20 UTCJul 4, 14:50 UTC2h 30m
2026-07-04 JFL326 - Jul 4, 10:30 UTCJul 4, 10:50 UTC20m
2026-07-04 JFL326 GVA → SKG Jul 4, 06:40 UTCJul 4, 08:45 UTC2h 5m
2026-07-03 JFL326 - Jul 3, 12:35 UTCJul 3, 13:55 UTC1h 20m
2026-07-03 JFL293 - Jul 3, 10:45 UTCJul 3, 11:15 UTC30m
2026-07-03 JFL083 - Jul 3, 08:05 UTCJul 3, 09:15 UTC1h 10m
2026-07-02 JFL083 - Jul 2, 16:05 UTCJul 2, 17:35 UTC1h 30m
2026-07-02 JFL083 - Jul 2, 14:25 UTCJul 2, 15:15 UTC50m
2026-07-02 JFL682 BOD → NCE Jul 2, 12:15 UTCJul 2, 13:25 UTC1h 10m
2026-07-01 JFL682 - Jul 1, 16:15 UTCJul 1, 17:20 UTC1h 5m
2026-07-01 JFL625 - Jul 1, 13:15 UTCJul 1, 15:15 UTC2h 0m
2026-06-30 JFL834 GVA → LNZ Jun 30, 11:05 UTCJun 30, 12:05 UTC1h 0m
2026-06-29 JFL092 - Jun 29, 16:15 UTCJun 29, 16:55 UTC40m
2026-06-29 JFL084 - Jun 29, 08:04 UTCJun 29, 08:39 UTC35m
2026-06-29 JFL084 NCE → GRS Jun 29, 06:54 UTCJun 29, 07:30 UTC35m
2026-06-28 JFL240 VCE → NCE Jun 28, 19:09 UTCJun 28, 20:04 UTC55m
2026-06-27 JFL240 - Jun 27, 18:45 UTCJun 27, 20:04 UTC1h 20m
2026-06-27 JFL312 - Jun 27, 16:14 UTCJun 27, 17:49 UTC1h 35m
2026-06-27 JFL312 - Jun 27, 10:25 UTCJun 27, 11:39 UTC1h 15m
2026-06-27 JFL275 - Jun 27, 08:25 UTCJun 27, 09:34 UTC1h 10m
2026-06-26 JFL541 - Jun 26, 14:29 UTCJun 26, 15:34 UTC1h 5m
2026-06-26 JFL541 NCE → PEG Jun 26, 13:15 UTCJun 26, 13:59 UTC45m
2026-06-26 JFL293 OLB → NCE Jun 26, 09:59 UTCJun 26, 10:44 UTC45m
2026-06-26 JFL293 - Jun 26, 08:10 UTCJun 26, 08:50 UTC40m
2026-06-26 JFL293 - Jun 26, 05:50 UTCJun 26, 07:05 UTC1h 15m
2026-06-25 JFL963 - Jun 25, 14:29 UTCJun 25, 15:40 UTC1h 10m
2026-06-25 JFL963 - Jun 25, 05:29 UTCJun 25, 06:40 UTC1h 10m
2026-06-24 JFL956 RZE → VIE Jun 24, 10:30 UTCJun 24, 11:14 UTC45m
2026-06-24 JFL956 - Jun 24, 06:59 UTCJun 24, 07:54 UTC55m
2026-06-23 JFL086 BER → VIE Jun 23, 14:44 UTCJun 23, 16:35 UTC1h 50m

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 OE-GPP page for operator, model, and routing details .

Mode-S 440CDB frequently asked

What is Mode-S code 440CDB?
440CDB is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-GPP.
Where is Mode-S 440CDB registered?
Mode-S code 440CDB is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 440CDB broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 440CDB, octal 21006333, decimal 4,459,739.
What flights does 440CDB operate?
Mode-S 440CDB has broadcast 20 distinct callsigns, including JFL978, JFL293, JFL126, JFL474, JFL086.