sensors Mode-S transponder

AB9B81

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N847SY · BOEING 737-800 · operated by SUN COUNTRY INC

Hex
AB9B81
Octal
52715601
Decimal
11,246,465
Country
US
Tail
N847SY
Type
B738
No current signal · last broadcast 9h ago
Flights observed
242
Distinct callsigns
20
Country
US
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S AB9B81.

Country allocation

The ICAO 24-bit address AB9B81 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
SCX415 Sun Country Airlines 6 2026-04-16
SCX416 Sun Country Airlines 5 2026-04-16
SCX8186 Sun Country Airlines 4 2026-05-21
SCX8185 Sun Country Airlines 4 2026-05-21
SCX652 - 4 2026-07-13
SCX651 - 4 2026-07-13
SCX602 - 4 2026-06-15
SCX601 - 4 2026-06-15
SCX472 - 4 2026-07-12
SCX471 - 4 2026-07-12
SCX778 - 3 2026-04-13
SCX777 Sun Country Airlines 3 2026-04-13
SCX286 - 3 2026-07-01
SCX285 - 3 2026-06-30
SCX1982 - 3 2026-06-27
SCX1981 - 3 2026-06-26
SCX1968 Sun Country Airlines 3 2026-04-16
SCX1492 - 3 2026-07-02
SCX1491 - 3 2026-07-02
SCX104 Sun Country Airlines 3 2026-05-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SCX920 - Jul 13, 22:30 UTCJul 14, 00:35 UTC2h 5m
2026-07-13 SCX919 MSP → RDU Jul 13, 18:45 UTCJul 13, 21:00 UTC2h 15m
2026-07-13 SCX652 DEN → MSP Jul 13, 16:00 UTCJul 13, 17:35 UTC1h 35m
2026-07-13 SCX651 MSP → DEN Jul 13, 12:50 UTCJul 13, 14:25 UTC1h 35m
2026-07-12 SCX472 ANC → MSP Jul 12, 21:30 UTCJul 13, 02:25 UTC4h 55m
2026-07-12 SCX471 MSP → ANC Jul 12, 14:45 UTCJul 12, 20:01 UTC5h 15m
2026-07-11 SCX284 SEA → MSP Jul 11, 19:50 UTCJul 11, 22:35 UTC2h 45m
2026-07-11 SCX283 MSP → SEA Jul 11, 14:30 UTCJul 11, 17:45 UTC3h 15m
2026-07-10 SCX920 RDU → MSP Jul 10, 23:35 UTCJul 11, 01:55 UTC2h 20m
2026-07-10 SCX919 MSP → RDU Jul 10, 20:00 UTCJul 10, 22:25 UTC2h 25m
2026-07-10 SCX652 DEN → MSP Jul 10, 16:10 UTCJul 10, 17:35 UTC1h 25m
2026-07-10 SCX651 MSP → DEN Jul 10, 12:55 UTCJul 10, 14:35 UTC1h 40m
2026-07-10 SCX1700 SLC → MSP Jul 10, 01:15 UTCJul 10, 03:15 UTC2h 0m
2026-07-09 SCX1701 MSP → SLC Jul 9, 21:15 UTCJul 9, 23:45 UTC2h 30m
2026-07-09 SCX1420 - Jul 9, 17:15 UTCJul 9, 19:35 UTC2h 20m
2026-07-09 SCX1419 MSP → RIC Jul 9, 13:50 UTCJul 9, 15:45 UTC1h 55m
2026-07-06 SCX1948 - Jul 6, 23:35 UTCJul 7, 01:45 UTC2h 10m
2026-07-06 SCX1947 - Jul 6, 19:20 UTCJul 6, 21:25 UTC2h 5m
2026-07-06 SCX652 DEN → MSP Jul 6, 16:00 UTCJul 6, 17:30 UTC1h 30m
2026-07-06 SCX651 MSP → DEN Jul 6, 12:50 UTCJul 6, 14:30 UTC1h 40m
2026-07-06 SCX944 - Jul 6, 00:40 UTCJul 6, 02:55 UTC2h 15m
2026-07-05 SCX943 - Jul 5, 21:05 UTCJul 5, 23:35 UTC2h 30m
2026-07-05 SCX668 IAD → MSP Jul 5, 17:05 UTCJul 5, 19:20 UTC2h 15m
2026-07-05 SCX667 MSP → IAD Jul 5, 13:50 UTCJul 5, 15:45 UTC1h 55m
2026-07-04 SCX1915 MSP → MSP Jul 4, 13:50 UTCJul 4, 19:50 UTC6h 0m
2026-07-03 SCX472 ANC → MSP Jul 3, 21:35 UTCJul 4, 02:45 UTC5h 10m
2026-07-03 SCX471 MSP → ANC Jul 3, 14:50 UTCJul 3, 20:05 UTC5h 15m
2026-07-03 SCX250 BOS → MSP Jul 3, 11:00 UTCJul 3, 13:40 UTC2h 40m
2026-07-03 SCX249 MSP → BOS Jul 3, 01:30 UTCJul 3, 03:45 UTC2h 15m
2026-07-02 SCX1492 - Jul 2, 22:20 UTCJul 3, 00:00 UTC1h 40m
2026-07-02 SCX1491 MSP → CMH Jul 2, 19:15 UTCJul 2, 20:50 UTC1h 35m
2026-07-02 SCX566 JFK → MSP Jul 2, 15:30 UTCJul 2, 17:55 UTC2h 25m
2026-07-02 SCX565 MSP → JFK Jul 2, 11:35 UTCJul 2, 13:50 UTC2h 15m
2026-07-02 SCX298 PDX → MSP Jul 2, 06:51 UTCJul 2, 09:35 UTC2h 44m
2026-07-02 SCX297 MSP → PDX Jul 2, 02:10 UTCJul 2, 05:20 UTC3h 10m
2026-07-01 SCX1492 - Jul 1, 22:40 UTCJul 2, 00:10 UTC1h 30m
2026-07-01 SCX1491 MSP → CMH Jul 1, 19:50 UTCJul 1, 21:20 UTC1h 30m
2026-07-01 SCX234 - Jul 1, 16:20 UTCJul 1, 18:40 UTC2h 20m
2026-07-01 SCX233 MSP → EWR Jul 1, 12:50 UTCJul 1, 15:10 UTC2h 20m
2026-07-01 SCX286 SEA → MSP Jul 1, 01:50 UTCJul 1, 04:40 UTC2h 50m
2026-06-30 SCX285 MSP → SEA Jun 30, 20:40 UTCJun 30, 23:50 UTC3h 10m
2026-06-29 SCX9002 - Jun 29, 18:05 UTCJun 29, 20:15 UTC2h 10m
2026-06-27 SCX8126 - Jun 27, 23:50 UTCJun 28, 01:15 UTC1h 25m
2026-06-27 SCX8126 - Jun 27, 20:19 UTCJun 27, 20:49 UTC30m
2026-06-27 SCX8121 MSP → DSM Jun 27, 18:15 UTCJun 27, 18:54 UTC40m
2026-06-27 SCX1982 - Jun 27, 01:39 UTCJun 27, 03:20 UTC1h 40m
2026-06-26 SCX8196 - Jun 26, 23:39 UTCJun 27, 00:34 UTC55m
2026-06-26 SCX8196 - Jun 26, 21:15 UTCJun 26, 22:14 UTC1h 0m
2026-06-26 SCX8195 - Jun 26, 17:35 UTCJun 26, 19:24 UTC1h 50m
2026-06-26 SCX8195 - Jun 26, 15:20 UTCJun 26, 16:00 UTC40m

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 N847SY page for operator, model, and routing details .

Mode-S AB9B81 frequently asked

What is Mode-S code AB9B81?
AB9B81 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N847SY.
Where is Mode-S AB9B81 registered?
Mode-S code AB9B81 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 AB9B81 broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB9B81, octal 52715601, decimal 11,246,465.
What flights does AB9B81 operate?
Mode-S AB9B81 has broadcast 20 distinct callsigns, including SCX415, SCX416, SCX8186, SCX8185, SCX652.