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sensors Mode-S transponder

A846C4

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N632SK · BOMBARDIER Regional Jet CRJ-700 · operated by SKYWEST AIRLINES INC

Hex
A846C4
Octal
52043304
Decimal
11,028,164
Country
US
Tail
N632SK
Type
CRJ7
No current signal · last broadcast Jul 26, 23:00 UTC
Flights observed
635
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 23:00 UTC

Last known position

Most recent position reported by Mode-S A846C4.

Country allocation

The ICAO 24-bit address A846C4 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
SKW6445 SkyWest Airlines 9 2026-07-22
SKW6299 - 9 2026-06-28
SKW4956 SkyWest Airlines 9 2026-06-26
SKW4936 SkyWest Airlines 9 2026-07-26
SKW6337 - 8 2026-06-25
SKW6288 - 8 2026-06-26
SKW6342 SkyWest Airlines 7 2026-07-26
SKW5004 - 7 2026-07-17
SKW6438 SkyWest Airlines 6 2026-07-23
SKW6390 - 6 2026-07-10
SKW6386 - 6 2026-07-01
SKW6367 - 6 2026-07-16
SKW6246 SkyWest Airlines 6 2026-05-16
SKW6245 SkyWest Airlines 6 2026-07-23
SKW4926 SkyWest Airlines 6 2026-07-26
SKW4910 SkyWest Airlines 6 2026-05-30
SKW4894 SkyWest Airlines 6 2026-06-19
SKW6517 SkyWest Airlines 5 2026-06-14
SKW6513 - 5 2026-07-15
SKW6433 SkyWest Airlines 5 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SKW6342 SJC → PHX Jul 26, 22:55 UTCJul 26, 23:00 UTC5m
2026-07-26 SKW4936 MSY → DFW Jul 26, 20:25 UTCJul 26, 21:10 UTC45m
2026-07-26 SKW4936 MSY → DFW Jul 26, 18:50 UTCJul 26, 19:30 UTC40m
2026-07-26 SKW6296 LAX → SFO Jul 26, 16:40 UTCJul 26, 17:40 UTC1h 0m
2026-07-26 SKW6296 LAX → SFO Jul 26, 14:10 UTCJul 26, 15:20 UTC1h 10m
2026-07-26 SKW4926 SWO → DFW Jul 26, 11:15 UTCJul 26, 11:50 UTC35m
2026-07-26 SKW4961 MLI → ORD Jul 26, 02:55 UTCJul 26, 03:40 UTC45m
2026-07-26 SKW6234 ORD → ICT Jul 26, 00:55 UTCJul 26, 01:25 UTC30m
2026-07-25 SKW6234 ORD → ICT Jul 25, 23:05 UTCJul 25, 23:50 UTC45m
2026-07-25 SKW4980 - Jul 25, 19:55 UTCJul 25, 22:00 UTC2h 5m
2026-07-25 SKW4980 - Jul 25, 16:55 UTCJul 25, 19:00 UTC2h 5m
2026-07-25 SKW6345 DFW → HRL Jul 25, 14:15 UTCJul 25, 15:45 UTC1h 30m
2026-07-25 SKW6419 PHX → IAH Jul 25, 01:05 UTCJul 25, 02:45 UTC1h 40m
2026-07-24 SKW5010 ORD → FSD Jul 24, 21:50 UTCJul 25, 00:00 UTC2h 10m
2026-07-24 SKW6417 DFW → ICT Jul 24, 16:40 UTCJul 24, 18:55 UTC2h 15m
2026-07-24 SKW4974 CMH → ORD Jul 24, 13:10 UTCJul 24, 13:45 UTC35m
2026-07-24 SKW4972 CVG → DFW Jul 24, 02:10 UTCJul 24, 02:55 UTC45m
2026-07-24 SKW4972 CVG → DFW Jul 24, 02:08 UTCJul 24, 02:49 UTC41m
2026-07-23 SKW6245 ORD → DTW Jul 23, 23:10 UTCJul 24, 00:05 UTC55m
2026-07-23 SKW6245 ORD → DTW Jul 23, 21:25 UTCJul 23, 22:15 UTC50m
2026-07-23 SKW6352 ORD → HSV Jul 23, 18:40 UTCJul 23, 19:35 UTC55m
2026-07-23 SKW6352 ORD → HSV Jul 23, 18:38 UTCJul 23, 19:12 UTC34m
2026-07-23 SKW6352 ORD → HSV Jul 23, 16:50 UTCJul 23, 17:35 UTC45m
2026-07-23 SKW6438 DAY → ORD Jul 23, 02:15 UTCJul 23, 02:40 UTC25m
2026-07-23 SKW6438 DAY → ORD Jul 23, 00:45 UTCJul 23, 02:40 UTC1h 55m
2026-07-23 SKW6438 DAY → ORD Jul 23, 00:41 UTCJul 23, 01:56 UTC1h 15m
2026-07-22 SKW6438 DAY → ORD Jul 22, 22:30 UTCJul 22, 23:40 UTC1h 10m
2026-07-22 SKW6418 DFW → BRO Jul 22, 19:45 UTCJul 22, 20:40 UTC55m
2026-07-22 SKW6418 DFW → BRO Jul 22, 19:44 UTCJul 22, 20:21 UTC37m
2026-07-22 SKW6418 DFW → BRO Jul 22, 18:30 UTCJul 22, 18:55 UTC25m
2026-07-22 SKW6445 LAX → RNO Jul 22, 17:15 UTCJul 22, 17:20 UTC5m
2026-07-22 SKW6445 LAX → RNO Jul 22, 15:50 UTCJul 22, 17:20 UTC1h 30m
2026-07-22 SKW6445 LAX → RNO Jul 22, 15:49 UTCJul 22, 16:57 UTC1h 8m
2026-07-22 SKW6445 LAX → RNO Jul 22, 13:50 UTCJul 22, 14:55 UTC1h 5m
2026-07-22 SKW4824 PHX → SMX Jul 22, 05:00 UTCJul 22, 05:25 UTC25m
2026-07-22 SKW6438 DAY → ORD Jul 22, 01:05 UTCJul 22, 02:40 UTC1h 35m
2026-07-21 SKW6438 DAY → ORD Jul 21, 22:45 UTCJul 22, 00:00 UTC1h 15m
2026-07-21 SKW6418 AZO → ORD Jul 21, 20:23 UTCJul 21, 20:36 UTC13m
2026-07-21 SKW6418 - Jul 21, 18:20 UTCJul 21, 18:50 UTC30m
2026-07-21 SKW6232 SMF → PHX Jul 21, 15:30 UTCJul 21, 16:05 UTC35m
2026-07-21 SKW6232 SMF → PHX Jul 21, 15:24 UTCJul 21, 15:59 UTC35m
2026-07-21 SKW6232 SMF → PHX Jul 21, 13:40 UTCJul 21, 14:05 UTC25m
2026-07-21 SKW4914 ORD → RIC Jul 21, 11:15 UTCJul 21, 12:00 UTC45m
2026-07-21 SKW4888 - Jul 21, 02:35 UTCJul 21, 02:55 UTC20m
2026-07-21 SKW4888 ORD → MKE Jul 21, 02:21 UTCJul 21, 02:53 UTC32m
2026-07-21 SKW6211 DSM → ORD Jul 21, 00:20 UTCJul 21, 00:50 UTC30m
2026-07-20 SKW6211 DSM → ORD Jul 20, 23:20 UTCJul 20, 23:35 UTC15m
2026-07-20 SKW4949 ORD → PIA Jul 20, 18:45 UTCJul 20, 19:40 UTC55m
2026-07-20 SKW4949 ORD → PIA Jul 20, 16:50 UTCJul 20, 17:40 UTC50m
2026-07-20 SKW6209 MAF → DFW Jul 20, 13:30 UTCJul 20, 15:40 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 N632SK page for operator, model, and routing details .

Mode-S A846C4 frequently asked

What is Mode-S code A846C4?
A846C4 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N632SK.
Where is Mode-S A846C4 registered?
Mode-S code A846C4 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 A846C4 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 23:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A846C4, octal 52043304, decimal 11,028,164.
What flights does A846C4 operate?
Mode-S A846C4 has broadcast 20 distinct callsigns, including SKW6445, SKW6299, SKW4956, SKW4936, SKW6337.