Apparatus

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sensors Mode-S transponder

AB5DB8

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N831SY · BOEING 737-800 · operated by SUN COUNTRY INC

Hex
AB5DB8
Octal
52656670
Decimal
11,230,648
Country
US
Tail
N831SY
Type
B738
No current signal · last broadcast 1d ago
Flights observed
203
Distinct callsigns
20
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AB5DB8.

Country allocation

The ICAO 24-bit address AB5DB8 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
SCX568 - 4 2026-07-01
SCX567 Sun Country Airlines 4 2026-07-01
SCX8135 Sun Country Airlines 3 2026-06-14
SCX407 Sun Country Airlines 3 2026-07-05
SCX101 - 3 2026-04-13
SCX8772 Sun Country Airlines 2 2026-05-03
SCX8722 Sun Country Airlines 2 2026-05-02
SCX8610 Sun Country Airlines 2 2026-06-05
SCX8269 - 2 2026-06-18
SCX8266 Sun Country Airlines 2 2026-06-17
SCX8207 Sun Country Airlines 2 2026-06-07
SCX8190 - 2 2026-06-29
SCX8176 Sun Country Airlines 2 2026-05-08
SCX8175 Sun Country Airlines 2 2026-05-08
SCX8138 Sun Country Airlines 2 2026-06-15
SCX8126 Sun Country Airlines 2 2026-06-12
SCX8114 Sun Country Airlines 2 2026-06-08
SCX8038 Sun Country Airlines 2 2026-05-10
SCX658 - 2 2026-06-22
SCX657 - 2 2026-06-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 SCX406 - Jul 12, 19:15 UTCJul 12, 22:45 UTC3h 30m
2026-07-12 SCX405 MSP → SAN Jul 12, 14:45 UTCJul 12, 17:45 UTC3h 0m
2026-07-10 SCX346 MCO → MSP Jul 10, 23:10 UTCJul 11, 02:10 UTC3h 0m
2026-07-10 SCX345 MSP → MCO Jul 10, 19:00 UTCJul 10, 21:45 UTC2h 46m
2026-07-10 SCX250 BOS → MSP Jul 10, 10:50 UTCJul 10, 13:35 UTC2h 45m
2026-07-10 SCX249 MSP → BOS Jul 10, 01:15 UTCJul 10, 03:25 UTC2h 10m
2026-07-09 SCX500 - Jul 9, 21:45 UTCJul 9, 23:10 UTC1h 25m
2026-07-09 SCX499 MSP → IND Jul 9, 19:15 UTCJul 9, 20:25 UTC1h 10m
2026-07-09 SCX1046 - Jul 9, 15:30 UTCJul 9, 17:55 UTC2h 25m
2026-07-09 SCX1045 - Jul 9, 12:05 UTCJul 9, 14:00 UTC1h 55m
2026-07-09 SCX108 LAS → MSP Jul 9, 01:25 UTCJul 9, 03:55 UTC2h 30m
2026-07-08 SCX107 MSP → LAS Jul 8, 21:15 UTCJul 9, 00:10 UTC2h 55m
2026-07-07 SCX426 - Jul 7, 00:45 UTCJul 7, 03:45 UTC3h 0m
2026-07-06 SCX425 - Jul 6, 19:40 UTCJul 6, 22:55 UTC3h 15m
2026-07-06 SCX1058 - Jul 6, 16:10 UTCJul 6, 17:50 UTC1h 40m
2026-07-06 SCX1057 MSP → BUF Jul 6, 13:15 UTCJul 6, 14:50 UTC1h 35m
2026-07-06 SCX408 - Jul 6, 01:10 UTCJul 6, 04:15 UTC3h 5m
2026-07-05 SCX407 MSP → SAN Jul 5, 20:35 UTCJul 5, 23:50 UTC3h 15m
2026-07-05 SCX1776 - Jul 5, 16:50 UTCJul 5, 19:10 UTC2h 20m
2026-07-05 SCX1775 MSP → PHL Jul 5, 13:05 UTCJul 5, 15:10 UTC2h 5m
2026-07-03 SCX1420 - Jul 3, 17:45 UTCJul 3, 20:00 UTC2h 15m
2026-07-03 SCX1419 - Jul 3, 13:00 UTCJul 3, 15:15 UTC2h 15m
2026-07-02 SCX500 IND → MSP Jul 2, 23:40 UTCJul 3, 01:10 UTC1h 30m
2026-07-02 SCX499 MSP → IND Jul 2, 21:15 UTCJul 2, 22:40 UTC1h 25m
2026-07-02 SCX392 OAK → MSP Jul 2, 16:30 UTCJul 2, 19:35 UTC3h 5m
2026-07-02 SCX391 MSP → SFO Jul 2, 11:10 UTCJul 2, 14:55 UTC3h 45m
2026-07-02 SCX408 SAN → MSP Jul 2, 01:10 UTCJul 2, 04:05 UTC2h 55m
2026-07-01 SCX407 MSP → SAN Jul 1, 20:30 UTCJul 2, 00:00 UTC3h 30m
2026-07-01 SCX568 - Jul 1, 17:00 UTCJul 1, 19:25 UTC2h 25m
2026-07-01 SCX567 MSP → JFK Jul 1, 12:55 UTCJul 1, 15:15 UTC2h 20m
2026-07-01 SCX296 PDX → MSP Jul 1, 01:40 UTCJul 1, 04:35 UTC2h 55m
2026-06-30 SCX295 MSP → PDX Jun 30, 21:05 UTCJul 1, 00:15 UTC3h 10m
2026-06-30 SCX194 - Jun 30, 16:55 UTCJun 30, 18:55 UTC2h 0m
2026-06-30 SCX193 MSP → BWI Jun 30, 13:30 UTCJun 30, 15:40 UTC2h 10m
2026-06-30 SCX398 - Jun 30, 08:00 UTCJun 30, 11:15 UTC3h 15m
2026-06-30 SCX397 MSP → SFO Jun 30, 02:20 UTCJun 30, 06:20 UTC4h 0m
2026-06-29 SCX1982 - Jun 29, 21:39 UTCJun 30, 00:04 UTC2h 25m
2026-06-29 SCX8191 - Jun 29, 19:29 UTCJun 29, 20:19 UTC50m
2026-06-29 SCX8190 - Jun 29, 17:55 UTCJun 29, 18:30 UTC35m
2026-06-29 SCX8190 - Jun 29, 16:29 UTCJun 29, 16:59 UTC30m
2026-06-29 SCX1981 - Jun 29, 12:49 UTCJun 29, 15:00 UTC2h 10m
2026-06-28 SCX214 TPA → MSP Jun 28, 15:49 UTCJun 28, 18:40 UTC2h 50m
2026-06-28 SCX213 MSP → TPA Jun 28, 11:50 UTCJun 28, 14:30 UTC2h 40m
2026-06-28 SCX474 - Jun 28, 05:09 UTCJun 28, 10:15 UTC5h 5m
2026-06-27 SCX473 MSP → ANC Jun 27, 22:15 UTCJun 28, 03:19 UTC5h 5m
2026-06-27 SCX1822 - Jun 27, 17:59 UTCJun 27, 20:44 UTC2h 45m
2026-06-27 SCX1821 - Jun 27, 14:05 UTCJun 27, 16:14 UTC2h 10m
2026-06-24 SCX407 MSP → SAN Jun 24, 20:30 UTCJun 24, 21:00 UTC30m
2026-06-24 SCX568 JFK → MSP Jun 24, 16:09 UTCJun 24, 18:44 UTC2h 35m
2026-06-24 SCX567 MSP → JFK Jun 24, 12:25 UTCJun 24, 14:34 UTC2h 10m

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 N831SY page for operator, model, and routing details .

Mode-S AB5DB8 frequently asked

What is Mode-S code AB5DB8?
AB5DB8 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N831SY.
Where is Mode-S AB5DB8 registered?
Mode-S code AB5DB8 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 AB5DB8 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB5DB8, octal 52656670, decimal 11,230,648.
What flights does AB5DB8 operate?
Mode-S AB5DB8 has broadcast 20 distinct callsigns, including SCX568, SCX567, SCX8135, SCX407, SCX101.