Apparatus

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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
No current signal · last broadcast Jul 26, 17:45 UTC
Flights observed
246
Distinct callsigns
20
Country
AT
Last broadcast
Jul 26, 17:45 UTC

Last known position

Most recent position reported by Mode-S 4405DA.

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
GAC979V - 2 2026-07-19
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
GAC249Q - 2 2026-07-05
GAC197M - 2 2026-04-15
GAC098J - 2 2026-06-27
GAC086Y - 2 2026-04-19
GAC055A - 2 2026-05-10
GAC012E - 2 2026-05-11
GAC998Q - 1 2026-06-15
GAC988F - 1 2026-05-27
GAC987R - 1 2026-06-12
GAC985N - 1 2026-04-14
GAC978R - 1 2026-07-16
GAC978D - 1 2026-05-11
GAC975A - 1 2026-05-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 GAC402K - Jul 26, 16:40 UTCJul 26, 17:40 UTC1h 0m
2026-07-26 GAC513K - Jul 26, 14:35 UTCJul 26, 15:40 UTC1h 5m
2026-07-26 GAC936B - Jul 26, 09:25 UTCJul 26, 11:15 UTC1h 50m
2026-07-26 GAC158X - Jul 26, 07:25 UTCJul 26, 08:10 UTC45m
2026-07-25 GAC205P - Jul 25, 11:00 UTCJul 25, 12:55 UTC1h 55m
2026-07-25 GAC427M - Jul 25, 07:45 UTCJul 25, 08:40 UTC55m
2026-07-24 GAC177X - Jul 24, 16:05 UTCJul 24, 17:00 UTC55m
2026-07-24 GAC288W - Jul 24, 11:00 UTCJul 24, 13:35 UTC2h 35m
2026-07-24 GAC394P - Jul 24, 07:35 UTCJul 24, 08:40 UTC1h 5m
2026-07-23 GAC090J - Jul 23, 13:05 UTCJul 23, 14:05 UTC1h 0m
2026-07-23 GAC101J - Jul 23, 10:15 UTCJul 23, 11:25 UTC1h 10m
2026-07-19 GAC209R ACH → LNZ Jul 19, 14:25 UTCJul 19, 15:00 UTC35m
2026-07-19 GAC979V - Jul 19, 12:15 UTCJul 19, 13:15 UTC1h 0m
2026-07-19 GAC979V NCE → NCE Jul 19, 11:40 UTCJul 19, 11:55 UTC15m
2026-07-18 GAC164L - Jul 18, 10:45 UTCJul 18, 12:10 UTC1h 25m
2026-07-17 GAC275L - Jul 17, 15:55 UTCJul 17, 17:15 UTC1h 20m
2026-07-17 GAC254N - Jul 17, 13:50 UTCJul 17, 14:50 UTC1h 0m
2026-07-17 GAC254M - Jul 17, 05:45 UTCJul 17, 07:05 UTC1h 20m
2026-07-16 GAC365M - Jul 16, 17:20 UTCJul 16, 17:40 UTC20m
2026-07-16 GAC978R - Jul 16, 15:05 UTCJul 16, 16:19 UTC1h 15m
2026-07-16 GAC222H - Jul 16, 12:55 UTCJul 16, 14:10 UTC1h 15m
2026-07-16 GAC319Y - Jul 16, 09:35 UTCJul 16, 11:34 UTC2h 0m
2026-07-15 GAC420X BEG → INN Jul 15, 17:50 UTCJul 15, 19:25 UTC1h 35m
2026-07-15 GAC630R - Jul 15, 14:55 UTCJul 15, 16:40 UTC1h 45m
2026-07-15 GAC852N - Jul 15, 11:25 UTCJul 15, 12:45 UTC1h 20m
2026-07-14 GAC920W ZRH → OBF Jul 14, 16:40 UTCJul 14, 17:10 UTC30m
2026-07-14 GAC920V BER → ZRH Jul 14, 09:10 UTCJul 14, 10:40 UTC1h 30m
2026-07-13 GAC031U WAW → BER Jul 13, 10:25 UTCJul 13, 11:45 UTC1h 20m
2026-07-12 GAC629P - Jul 12, 14:50 UTCJul 12, 16:30 UTC1h 40m
2026-07-12 GAC730N - Jul 12, 13:10 UTCJul 12, 14:01 UTC50m
2026-07-12 GAC466C - Jul 12, 10:40 UTCJul 12, 11:55 UTC1h 15m
2026-07-12 GAC591X - Jul 12, 07:01 UTCJul 12, 08:05 UTC1h 5m
2026-07-11 GAC388X NCE → BCN Jul 11, 14:55 UTCJul 11, 16:05 UTC1h 10m
2026-07-11 GAC499W - Jul 11, 10:45 UTCJul 11, 11:05 UTC20m
2026-07-11 GAC055R - Jul 11, 08:10 UTCJul 11, 09:40 UTC1h 30m
2026-07-10 GAC166Q - Jul 10, 16:05 UTCJul 10, 17:40 UTC1h 35m
2026-07-10 GAC064D - Jul 10, 12:35 UTCJul 10, 14:15 UTC1h 40m
2026-07-10 GAC137L IBZ → LBG Jul 10, 07:30 UTCJul 10, 09:45 UTC2h 15m
2026-07-09 GAC359J - Jul 9, 17:50 UTCJul 9, 19:05 UTC1h 15m
2026-07-09 GAC611U - Jul 9, 14:50 UTCJul 9, 17:00 UTC2h 10m
2026-07-09 GAC722T GWT → HAM Jul 9, 10:40 UTCJul 9, 11:15 UTC35m
2026-07-09 GAC373A HAM → GWT Jul 9, 09:20 UTCJul 9, 09:50 UTC30m
2026-07-08 GAC484Z - Jul 8, 14:50 UTCJul 8, 15:45 UTC55m
2026-07-08 GAC046N - Jul 8, 12:20 UTCJul 8, 13:15 UTC55m
2026-07-08 GAC093L - Jul 8, 07:15 UTCJul 8, 09:30 UTC2h 15m
2026-07-07 GAC104L - Jul 7, 16:15 UTCJul 7, 17:50 UTC1h 35m
2026-07-05 GAC138R - Jul 5, 20:00 UTCJul 5, 21:30 UTC1h 30m
2026-07-05 GAC249Q - Jul 5, 15:35 UTCJul 5, 17:40 UTC2h 5m
2026-07-05 GAC249Q ZRH → ZRH Jul 5, 15:05 UTCJul 5, 15:25 UTC20m
2026-07-05 GAC597P - Jul 5, 12:20 UTCJul 5, 13:40 UTC1h 20m

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?
No active broadcast right now. Last signal was Jul 26, 17:45 UTC.
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 GAC979V, GAC827R, GAC732X, GAC709Q, GAC673N.