Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

AA8AB2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N779CK · BOEING 777-300ER · operated by BANK OF UTAH TRUSTEE

Hex
AA8AB2
Octal
52505262
Decimal
11,176,626
Country
US
Tail
N779CK
Type
B77W
No current signal · last broadcast 3h ago
Flights observed
109
Distinct callsigns
13
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S AA8AB2.

Country allocation

The ICAO 24-bit address AA8AB2 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 13 distinct

Callsign Airline Flights Last seen
CKS219 Kalitta Air 34 2026-05-13
CKS218 Kalitta Air 33 2026-05-15
CKS217 Kalitta Air 8 2026-05-28
CKS235 Kalitta Air 7 2026-05-24
CKS216 Kalitta Air 6 2026-05-28
CKS234 Kalitta Air 4 2026-05-29
CKS254 Kalitta Air 3 2026-05-03
CKS209 Kalitta Air 3 2026-05-02
CKS208 Kalitta Air 3 2026-05-01
CKS201 Kalitta Air 3 2026-05-04
CKS283 Kalitta Air 2 2026-05-16
CKS211 Kalitta Air 2 2026-04-21
CKS282 Kalitta Air 1 2026-05-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 CKS234 MXP → EWR May 29, 12:05 UTCMay 30, 00:20 UTC12h 15m
2026-05-28 CKS217 NGO → CVG May 28, 17:30 UTCMay 29, 05:45 UTC12h 15m
2026-05-28 CKS217 NGO → CVG May 28, 13:30 UTCMay 28, 14:45 UTC1h 15m
2026-05-28 CKS216 EMA → MSY May 28, 06:20 UTCMay 28, 08:10 UTC1h 50m
2026-05-27 CKS216 EMA → MSY May 27, 12:35 UTCMay 28, 01:35 UTC13h 0m
2026-05-26 CKS217 NGO → CVG May 26, 17:50 UTCMay 27, 05:29 UTC11h 40m
2026-05-26 CKS217 NGO → CVG May 26, 14:09 UTCMay 26, 15:24 UTC1h 15m
2026-05-25 CKS216 EMA → MSY May 25, 20:24 UTCMay 26, 09:55 UTC13h 30m
2026-05-24 CKS235 HKG → ANC May 24, 23:10 UTCMay 24, 23:46 UTC36m
2026-05-24 CKS235 HKG → ANC May 24, 12:55 UTCMay 24, 20:15 UTC7h 20m
2026-05-24 CKS235 HKG → ANC May 24, 02:05 UTCMay 24, 10:40 UTC8h 35m
2026-05-24 CKS235 HKG → ANC May 24, 01:15 UTCMay 24, 01:35 UTC20m
2026-05-23 CKS234 MXP → EWR May 23, 11:35 UTCMay 23, 11:50 UTC15m
2026-05-23 CKS234 MXP → EWR May 23, 07:55 UTCMay 23, 11:00 UTC3h 5m
2026-05-22 CKS234 MXP → EWR May 22, 12:35 UTCMay 23, 01:05 UTC12h 30m
2026-05-21 CKS217 NGO → CVG May 21, 20:45 UTCMay 22, 08:30 UTC11h 45m
2026-05-21 CKS217 NGO → CVG May 21, 17:10 UTCMay 21, 18:20 UTC1h 10m
2026-05-21 CKS216 EMA → MSY May 21, 12:40 UTCMay 21, 14:45 UTC2h 5m
2026-05-20 CKS216 EMA → MSY May 20, 21:15 UTCMay 21, 09:55 UTC12h 40m
2026-05-19 CKS217 NGO → CVG May 19, 17:25 UTCMay 20, 04:40 UTC11h 16m
2026-05-19 CKS217 NGO → CVG May 19, 13:25 UTCMay 19, 14:50 UTC1h 25m
2026-05-18 CKS216 EMA → MSY May 18, 20:00 UTCMay 19, 10:40 UTC14h 40m
2026-05-18 CKS235 HKG → ANC May 18, 08:30 UTCMay 18, 10:30 UTC2h 0m
2026-05-17 CKS235 HKG → ANC May 17, 21:35 UTCMay 18, 05:15 UTC7h 40m
2026-05-17 CKS235 HKG → ANC May 17, 01:10 UTCMay 17, 10:55 UTC9h 45m
2026-05-16 CKS283 LEJ → LEJ May 16, 21:30 UTCMay 16, 21:55 UTC25m
2026-05-16 CKS283 LEJ → LEJ May 16, 11:05 UTCMay 16, 14:41 UTC3h 35m
2026-05-15 CKS282 CVG → OSC May 15, 17:10 UTCMay 16, 07:45 UTC14h 36m
2026-05-15 CKS218 CAI → OST May 15, 03:55 UTCMay 15, 07:40 UTC3h 45m
2026-05-14 CKS218 CAI → OST May 14, 10:50 UTCMay 14, 22:45 UTC11h 55m
2026-05-13 CKS219 NGO → CVG May 13, 18:20 UTCMay 14, 05:55 UTC11h 35m
2026-05-13 CKS219 NGO → CVG May 13, 13:45 UTCMay 13, 15:05 UTC1h 20m
2026-05-13 CKS218 CAI → OST May 13, 01:30 UTCMay 13, 03:20 UTC1h 50m
2026-05-12 CKS218 CAI → OST May 12, 09:50 UTCMay 12, 22:40 UTC12h 50m
2026-05-11 CKS219 NGO → CVG May 11, 17:30 UTCMay 12, 05:20 UTC11h 50m
2026-05-11 CKS219 NGO → CVG May 11, 13:40 UTCMay 11, 14:50 UTC1h 10m
2026-05-10 CKS218 CAI → OST May 10, 11:40 UTCMay 10, 13:40 UTC2h 0m
2026-05-09 CKS218 CAI → OST May 9, 17:05 UTCMay 10, 06:10 UTC13h 5m
2026-05-08 CKS219 NGO → CVG May 8, 19:25 UTCMay 9, 07:05 UTC11h 40m
2026-05-08 CKS219 NGO → CVG May 8, 15:20 UTCMay 8, 16:30 UTC1h 10m
2026-05-08 CKS218 CAI → OST May 8, 05:35 UTCMay 8, 07:34 UTC2h 0m
2026-05-07 CKS218 CAI → OST May 7, 13:45 UTCMay 8, 03:14 UTC13h 30m
2026-05-06 CKS219 NGO → CVG May 6, 17:40 UTCMay 7, 05:10 UTC11h 30m
2026-05-06 CKS219 NGO → CVG May 6, 13:30 UTCMay 6, 14:45 UTC1h 15m
2026-05-06 CKS218 CAI → OST May 6, 04:35 UTCMay 6, 06:30 UTC1h 55m
2026-05-05 CKS218 CAI → OST May 5, 10:05 UTCMay 5, 23:20 UTC13h 15m
2026-05-04 CKS201 SIN → SYD May 4, 06:55 UTCMay 4, 09:05 UTC2h 10m
2026-05-03 CKS201 SIN → SYD May 3, 20:55 UTCMay 4, 03:45 UTC6h 50m
2026-05-03 CKS201 SIN → SYD May 3, 09:45 UTCMay 3, 18:50 UTC9h 5m
2026-05-03 CKS254 LEJ → CVG May 3, 05:55 UTCMay 3, 06:10 UTC15m

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 N779CK page for operator, model, and routing details .

Mode-S AA8AB2 frequently asked

What is Mode-S code AA8AB2?
AA8AB2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N779CK.
Where is Mode-S AA8AB2 registered?
Mode-S code AA8AB2 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 AA8AB2 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA8AB2, octal 52505262, decimal 11,176,626.
What flights does AA8AB2 operate?
Mode-S AA8AB2 has broadcast 13 distinct callsigns, including CKS219, CKS218, CKS217, CKS235, CKS216.