Apparatus

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sensors Mode-S transponder

AA7BD6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N775CK · BOEING 777-200LR · operated by UMB BANK NA TRUSTEE

Hex
AA7BD6
Octal
52475726
Decimal
11,172,822
Country
US
Tail
N775CK
Type
B77L
Broadcasting now · callsign CKS255 · 2,150 ft
Flights observed
191
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Current position

AA7BD6 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AA7BD6 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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
CKS255 - 18 2026-07-14
CKS270 - 16 2026-07-01
CKS241 - 15 2026-07-09
CKS253 - 11 2026-06-29
CKS272 - 8 2026-07-05
CKS256 - 8 2026-07-06
CKS252 Kalitta Air 8 2026-06-05
CKS243 - 8 2026-07-03
CKS240 - 8 2026-07-13
CKS206 - 8 2026-06-28
CKS273 - 7 2026-07-02
CKS271 - 6 2026-07-04
CKS219 Kalitta Air 6 2026-06-03
CKS202 - 5 2026-06-20
CKS295 - 4 2026-07-12
CKS254 - 4 2026-07-11
CKS217 Kalitta Air 4 2026-05-14
CKS286 Kalitta Air 3 2026-05-19
CKS281 Kalitta Air 3 2026-05-20
CKS264 Kalitta Air 3 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CKS255 - Jul 14, 18:05 UTCJul 14, 19:15 UTC1h 10m
2026-07-14 CKS255 HKG → YHM Jul 14, 01:20 UTCJul 14, 16:00 UTC14h 40m
2026-07-13 CKS240 ICN → HKG Jul 13, 19:30 UTCJul 13, 22:25 UTC2h 55m
2026-07-13 CKS240 - Jul 13, 03:55 UTCJul 13, 17:40 UTC13h 45m
2026-07-12 CKS295 - Jul 12, 23:40 UTCJul 13, 00:35 UTC55m
2026-07-12 CKS295 ANC → YHM Jul 12, 16:20 UTCJul 12, 21:55 UTC5h 35m
2026-07-11 CKS223 - Jul 11, 23:35 UTCJul 12, 08:10 UTC8h 35m
2026-07-11 CKS223 - Jul 11, 22:45 UTCJul 11, 23:00 UTC15m
2026-07-11 CKS254 ICN → HKG Jul 11, 14:45 UTCJul 11, 17:35 UTC2h 50m
2026-07-10 CKS254 - Jul 10, 20:35 UTCJul 11, 10:10 UTC13h 35m
2026-07-09 CKS241 - Jul 9, 20:45 UTCJul 9, 22:40 UTC1h 55m
2026-07-09 CKS241 - Jul 9, 11:15 UTCJul 9, 18:30 UTC7h 15m
2026-07-08 CKS241 HKG → ANC Jul 8, 23:30 UTCJul 9, 09:15 UTC9h 45m
2026-07-08 CKS240 - Jul 8, 08:15 UTCJul 8, 19:00 UTC10h 45m
2026-07-07 CKS240 - Jul 7, 22:00 UTCJul 8, 05:45 UTC7h 45m
2026-07-07 CKS241 - Jul 7, 10:55 UTCJul 7, 18:35 UTC7h 40m
2026-07-06 CKS241 HKG → ANC Jul 6, 23:40 UTCJul 7, 09:10 UTC9h 30m
2026-07-06 CKS256 ICN → HKG Jul 6, 17:30 UTCJul 6, 20:25 UTC2h 55m
2026-07-06 CKS256 - Jul 6, 02:40 UTCJul 6, 15:25 UTC12h 45m
2026-07-05 CKS256 - Jul 5, 07:25 UTCJul 5, 11:55 UTC4h 30m
2026-07-05 CKS272 - Jul 5, 03:05 UTCJul 5, 03:35 UTC30m
2026-07-04 CKS272 - Jul 4, 10:15 UTCJul 4, 13:00 UTC2h 45m
2026-07-04 CKS271 - Jul 4, 00:05 UTCJul 4, 07:30 UTC7h 25m
2026-07-03 CKS243 - Jul 3, 10:55 UTCJul 3, 18:20 UTC7h 25m
2026-07-02 CKS243 HKG → ANC Jul 2, 23:30 UTCJul 3, 08:40 UTC9h 10m
2026-07-02 CKS273 TLV → HKG Jul 2, 10:20 UTCJul 2, 20:10 UTC9h 50m
2026-07-02 CKS271 - Jul 2, 03:50 UTCJul 2, 07:45 UTC3h 55m
2026-07-01 CKS270 - Jul 1, 17:35 UTCJul 2, 00:00 UTC6h 25m
2026-07-01 CKS270 - Jul 1, 10:00 UTCJul 1, 15:20 UTC5h 20m
2026-07-01 CKS270 - Jul 1, 08:15 UTCJul 1, 08:30 UTC15m
2026-07-01 CKS270 - Jul 1, 02:25 UTCJul 1, 02:45 UTC20m
2026-06-30 CKS270 - Jun 30, 22:50 UTCJul 1, 01:50 UTC3h 0m
2026-06-29 CKS270 - Jun 29, 23:44 UTCJun 30, 12:25 UTC12h 40m
2026-06-29 CKS253 - Jun 29, 11:55 UTCJun 29, 17:45 UTC5h 50m
2026-06-28 CKS253 HKG → ANC Jun 28, 23:44 UTCJun 29, 09:00 UTC9h 15m
2026-06-28 CKS206 - Jun 28, 10:10 UTCJun 28, 14:14 UTC4h 5m
2026-06-27 CKS206 - Jun 27, 10:45 UTCJun 27, 23:04 UTC12h 20m
2026-06-26 CKS262 BRU → CVG Jun 26, 19:30 UTCJun 27, 03:34 UTC8h 5m
2026-06-26 CKS261 CVG → BRU Jun 26, 09:35 UTCJun 26, 16:39 UTC7h 5m
2026-06-25 CKS264 BRU → CVG Jun 25, 19:24 UTCJun 26, 03:50 UTC8h 25m
2026-06-25 CKS263 - Jun 25, 09:29 UTCJun 25, 16:39 UTC7h 10m
2026-06-24 CKS262 BRU → CVG Jun 24, 20:20 UTCJun 25, 04:35 UTC8h 15m
2026-06-24 CKS261 CVG → BRU Jun 24, 09:55 UTCJun 24, 17:10 UTC7h 15m
2026-06-23 CKS264 BRU → CVG Jun 23, 19:39 UTCJun 24, 04:00 UTC8h 20m
2026-06-23 CKS263 - Jun 23, 10:04 UTCJun 23, 17:09 UTC7h 5m
2026-06-22 CKS262 BRU → CVG Jun 22, 19:29 UTCJun 23, 03:45 UTC8h 15m
2026-06-22 CKS261 CVG → BRU Jun 22, 07:25 UTCJun 22, 14:29 UTC7h 5m
2026-06-21 CKS255 - Jun 21, 22:20 UTCJun 21, 23:50 UTC1h 30m
2026-06-21 CKS255 ANC → JFK Jun 21, 13:09 UTCJun 21, 19:29 UTC6h 20m
2026-06-21 CKS255 HKG → ANC Jun 21, 00:14 UTCJun 21, 10:04 UTC9h 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 N775CK page for operator, model, and routing details .

Mode-S AA7BD6 frequently asked

What is Mode-S code AA7BD6?
AA7BD6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N775CK.
Where is Mode-S AA7BD6 registered?
Mode-S code AA7BD6 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is AA7BD6 broadcasting right now?
Yes. Mode-S AA7BD6 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA7BD6, octal 52475726, decimal 11,172,822.
What flights does AA7BD6 operate?
Mode-S AA7BD6 has broadcast 20 distinct callsigns, including CKS255, CKS270, CKS241, CKS253, CKS272.