sensors Mode-S transponder

4405DA

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-FWF · CESSNA 510 Citation Mustang

Hex
4405DA
Octal
21002732
Decimal
4,457,946
Country
AT
Tail
OE-FWF
Type
C510
Broadcasting now · callsign GAC781X · 21,225 ft
Flights observed
94
Distinct callsigns
20
Country
AT
Last broadcast
29m ago

Current position

4405DA is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4405DA 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
GAC827R - 2 2026-04-17
GAC732X - 2 2026-04-16
GAC709Q - 2 2026-04-17
GAC673N - 2 2026-04-15
GAC663B - 2 2026-04-13
GAC608B - 2 2026-04-13
GAC197M - 2 2026-04-15
GAC086Y - 2 2026-04-19
GAC055A - 2 2026-05-10
GAC012E - 2 2026-05-11
GAC988F - 1 2026-05-27
GAC985N - 1 2026-04-14
GAC978D - 1 2026-05-11
GAC975A - 1 2026-05-04
GAC969J - 1 2026-05-26
GAC944Q - 1 2026-05-06
GAC930X - 1 2026-05-14
GAC913N - 1 2026-04-30
GAC904V - 1 2026-05-23
GAC903U - 1 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 GAC781X - May 30, 14:20 UTCMay 30, 14:30 UTC10m
2026-05-30 GAC903U - May 30, 11:45 UTCMay 30, 12:55 UTC1h 10m
2026-05-29 GAC114C - May 29, 14:20 UTCMay 29, 14:35 UTC15m
2026-05-29 GAC613L DRS → FMO May 29, 12:15 UTCMay 29, 13:10 UTC55m
2026-05-29 GAC724L - May 29, 10:30 UTCMay 29, 10:55 UTC25m
2026-05-28 GAC091N CGN → BER May 28, 15:25 UTCMay 28, 16:30 UTC1h 5m
2026-05-28 GAC091M BER → CGN May 28, 05:50 UTCMay 28, 06:50 UTC1h 0m
2026-05-27 GAC988F RZE → BER May 27, 12:05 UTCMay 27, 13:30 UTC1h 25m
2026-05-27 GAC099E - May 27, 09:00 UTCMay 27, 10:00 UTC1h 0m
2026-05-26 GAC969J RZE → VIE May 26, 13:04 UTCMay 26, 14:14 UTC1h 10m
2026-05-26 GAC070J - May 26, 10:39 UTCMay 26, 12:00 UTC1h 20m
2026-05-23 GAC904V BUD → BER May 23, 09:50 UTCMay 23, 11:20 UTC1h 30m
2026-05-23 GAC126S - May 23, 07:25 UTCMay 23, 08:25 UTC1h 0m
2026-05-22 GAC146Z - May 22, 13:50 UTCMay 22, 14:50 UTC1h 0m
2026-05-22 GAC594M - May 22, 11:45 UTCMay 22, 12:55 UTC1h 10m
2026-05-14 GAC169C - May 14, 12:10 UTCMay 14, 13:40 UTC1h 30m
2026-05-14 GAC930X - May 14, 08:25 UTCMay 14, 09:45 UTC1h 20m
2026-05-13 GAC368R - May 13, 12:15 UTCMay 13, 13:20 UTC1h 5m
2026-05-13 GAC479Q - May 13, 07:55 UTCMay 13, 08:20 UTC25m
2026-05-12 GAC433N - May 12, 16:30 UTCMay 12, 17:15 UTC45m
2026-05-12 GAC433M - May 12, 14:25 UTCMay 12, 14:55 UTC30m
2026-05-12 GAC544M - May 12, 13:05 UTCMay 12, 13:40 UTC35m
2026-05-12 GAC263D LYN → BQH May 12, 08:05 UTCMay 12, 09:50 UTC1h 45m
2026-05-11 GAC485A - May 11, 14:00 UTCMay 11, 14:20 UTC20m
2026-05-11 GAC012E - May 11, 11:40 UTCMay 11, 12:30 UTC50m
2026-05-11 GAC012E NCE → NCE May 11, 11:10 UTCMay 11, 11:20 UTC10m
2026-05-11 GAC756G VCE → NCE May 11, 09:05 UTCMay 11, 10:20 UTC1h 15m
2026-05-11 GAC978D - May 11, 07:00 UTCMay 11, 07:50 UTC50m
2026-05-10 GAC055A - May 10, 16:30 UTCMay 10, 17:34 UTC1h 5m
2026-05-10 GAC055A NCE → NCE May 10, 16:04 UTCMay 10, 16:14 UTC10m
2026-05-09 GAC166Z - May 9, 14:20 UTCMay 9, 15:30 UTC1h 10m
2026-05-09 GAC778D - May 9, 11:10 UTCMay 9, 12:05 UTC55m
2026-05-09 GAC889C TRN → NCE May 9, 09:05 UTCMay 9, 09:40 UTC35m
2026-05-08 GAC652Q - May 8, 17:25 UTCMay 8, 18:35 UTC1h 10m
2026-05-08 GAC652P TRN → CIA May 8, 12:55 UTCMay 8, 14:00 UTC1h 5m
2026-05-08 GAC763N - May 8, 10:59 UTCMay 8, 11:34 UTC35m
2026-05-07 GAC021X - May 7, 14:00 UTCMay 7, 15:30 UTC1h 30m
2026-05-07 GAC021W - May 7, 07:35 UTCMay 7, 08:50 UTC1h 15m
2026-05-06 GAC452W - May 6, 16:20 UTCMay 6, 17:05 UTC45m
2026-05-06 GAC563V - May 6, 11:15 UTCMay 6, 13:25 UTC2h 10m
2026-05-06 GAC944Q - May 6, 09:00 UTCMay 6, 10:15 UTC1h 15m
2026-05-06 GAC055P LIN → RBM May 6, 07:10 UTCMay 6, 08:05 UTC55m
2026-05-05 GAC415P GCI → LIN May 5, 13:10 UTCMay 5, 15:20 UTC2h 10m
2026-05-05 GAC365H NCE → GCI May 5, 08:30 UTCMay 5, 10:25 UTC1h 55m
2026-05-04 GAC476G - May 4, 16:25 UTCMay 4, 17:40 UTC1h 15m
2026-05-04 GAC860R PRG → VCE May 4, 13:55 UTCMay 4, 15:10 UTC1h 15m
2026-05-04 GAC975A - May 4, 11:45 UTCMay 4, 12:25 UTC40m
2026-05-03 GAC532C - May 3, 17:29 UTCMay 3, 18:40 UTC1h 10m
2026-05-03 GAC405H NCE → GVA May 3, 15:45 UTCMay 3, 16:40 UTC55m
2026-05-03 GAC204G - May 3, 09:10 UTCMay 3, 10:00 UTC50m

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

Mode-S 4405DA frequently asked

What is Mode-S code 4405DA?
4405DA is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-FWF.
Where is Mode-S 4405DA registered?
Mode-S code 4405DA is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4405DA broadcasting right now?
Yes. Mode-S 4405DA is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4405DA, octal 21002732, decimal 4,457,946.
What flights does 4405DA operate?
Mode-S 4405DA has broadcast 20 distinct callsigns, including GAC827R, GAC732X, GAC709Q, GAC673N, GAC663B.