Apparatus

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sensors Mode-S transponder

A2E5EC

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N286SY · EMBRAER ERJ-170-200 (long wing) · operated by SKYWEST AIRLINES INC

Hex
A2E5EC
Octal
50562754
Decimal
10,675,692
Country
US
Tail
N286SY
Type
E75L
No current signal · last broadcast Jul 22, 21:10 UTC
Flights observed
754
Distinct callsigns
20
Country
US
Last broadcast
Jul 22, 21:10 UTC

Last known position

Most recent position reported by Mode-S A2E5EC.

Country allocation

The ICAO 24-bit address A2E5EC 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
SKW4108 SkyWest Airlines 28 2026-07-07
SKW4179 - 25 2026-07-06
SKW4078 SkyWest Airlines 25 2026-07-06
SKW4153 SkyWest Airlines 17 2026-07-22
SKW3741 - 16 2026-07-06
SKW3736 SkyWest Airlines 16 2026-07-21
SKW4126 - 12 2026-07-07
SKW4100 SkyWest Airlines 12 2026-05-05
SKW3728 - 12 2026-07-17
SKW3933 SkyWest Airlines 11 2026-07-17
SKW3918 - 11 2026-07-02
SKW3802 SkyWest Airlines 11 2026-05-04
SKW3694 SkyWest Airlines 11 2026-05-20
SKW3732 SkyWest Airlines 10 2026-07-18
SKW4036 - 9 2026-07-03
SKW3969 SkyWest Airlines 9 2026-07-07
SKW3768 - 9 2026-07-16
SKW3688 SkyWest Airlines 9 2026-05-29
SKW4125 SkyWest Airlines 8 2026-07-01
SKW4042 - 8 2026-07-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-22 SKW4607 MSP → MSN Jul 22, 17:30 UTCJul 22, 21:10 UTC3h 40m
2026-07-22 SKW105W YWG → MSP Jul 22, 14:00 UTCJul 22, 16:00 UTC2h 0m
2026-07-22 SKW146A ATL → SBN Jul 22, 03:25 UTCJul 22, 03:50 UTC25m
2026-07-22 SKW4153 OAK → LAX Jul 22, 00:25 UTCJul 22, 01:50 UTC1h 25m
2026-07-22 SKW4153 OAK → LAX Jul 22, 00:23 UTCJul 22, 01:48 UTC1h 25m
2026-07-21 SKW4153 OAK → LAX Jul 21, 21:55 UTCJul 21, 23:25 UTC1h 30m
2026-07-21 SKW3736 SJC → SEA Jul 21, 18:45 UTCJul 21, 20:25 UTC1h 40m
2026-07-21 SKW3736 SJC → SEA Jul 21, 15:55 UTCJul 21, 17:50 UTC1h 55m
2026-07-21 SKW118R BOI → SEA Jul 21, 13:00 UTCJul 21, 14:05 UTC1h 5m
2026-07-21 SKW4090 MOT → MSP Jul 21, 04:55 UTCJul 21, 06:00 UTC1h 5m
2026-07-21 SKW3887 SLC → OAK Jul 21, 03:00 UTCJul 21, 03:35 UTC35m
2026-07-21 SKW132K SEA → YVR Jul 21, 00:55 UTCJul 21, 01:20 UTC25m
2026-07-20 SKW4062 BOS → BWI Jul 20, 22:45 UTCJul 20, 23:15 UTC30m
2026-07-20 SKW4062 BOS → BWI Jul 20, 22:46 UTCJul 20, 23:11 UTC25m
2026-07-20 SKW4062 BOS → BWI Jul 20, 21:05 UTCJul 20, 21:40 UTC35m
2026-07-20 SKW112J YVR → SEA Jul 20, 18:35 UTCJul 20, 19:15 UTC40m
2026-07-20 SKW123J SEA → YVR Jul 20, 16:35 UTCJul 20, 17:05 UTC30m
2026-07-20 SKW3987 YVR → SEA Jul 20, 14:35 UTCJul 20, 15:10 UTC35m
2026-07-20 SKW162Z SEA → YVR Jul 20, 05:20 UTCJul 20, 05:50 UTC30m
2026-07-20 SKW3897 SJC → SEA Jul 20, 01:00 UTCJul 20, 02:35 UTC1h 35m
2026-07-19 SKW3897 SEA → SJC Jul 19, 22:10 UTCJul 20, 00:05 UTC1h 55m
2026-07-19 SKW4139 RAP → MSP Jul 19, 19:50 UTCJul 19, 20:35 UTC45m
2026-07-19 SKW155A SLC → EUG Jul 19, 17:00 UTCJul 19, 18:40 UTC1h 40m
2026-07-19 SKW4004 - Jul 19, 12:15 UTCJul 19, 13:30 UTC1h 15m
2026-07-19 SKW3756 - Jul 19, 04:05 UTCJul 19, 05:25 UTC1h 20m
2026-07-19 SKW3777 - Jul 19, 01:20 UTCJul 19, 02:35 UTC1h 15m
2026-07-19 SKW3777 FAT → SLC Jul 19, 01:19 UTCJul 19, 02:30 UTC1h 11m
2026-07-18 SKW3777 - Jul 18, 22:15 UTCJul 18, 23:20 UTC1h 5m
2026-07-18 SKW3882 - Jul 18, 18:45 UTCJul 18, 20:55 UTC2h 10m
2026-07-18 SKW116X ATL → SBN Jul 18, 15:55 UTCJul 18, 18:00 UTC2h 5m
2026-07-18 SKW3862 - Jul 18, 12:15 UTCJul 18, 12:50 UTC35m
2026-07-18 SKW3845 SLC → GTF Jul 18, 03:10 UTCJul 18, 03:40 UTC30m
2026-07-18 SKW3845 SLC → GTF Jul 18, 03:18 UTCJul 18, 04:20 UTC1h 2m
2026-07-18 SKW3732 PHL → DTW Jul 18, 00:50 UTCJul 18, 01:50 UTC1h 0m
2026-07-17 SKW3732 PHL → DTW Jul 17, 23:39 UTCJul 17, 23:50 UTC10m
2026-07-17 SKW3732 PHL → DTW Jul 17, 22:29 UTCJul 17, 23:00 UTC30m
2026-07-17 SKW3933 JFK → MSP Jul 17, 19:45 UTCJul 17, 21:10 UTC1h 25m
2026-07-17 SKW3933 JFK → MSP Jul 17, 17:09 UTCJul 17, 18:44 UTC1h 35m
2026-07-17 SKW105W YVR → SLC Jul 17, 14:04 UTCJul 17, 15:55 UTC1h 50m
2026-07-17 SKW3584 SLC → YVR Jul 17, 03:55 UTCJul 17, 05:55 UTC2h 0m
2026-07-17 SKW3728 - Jul 17, 01:49 UTCJul 17, 02:59 UTC1h 10m
2026-07-16 SKW3728 - Jul 16, 22:10 UTCJul 16, 23:15 UTC1h 5m
2026-07-16 SKW3768 - Jul 16, 19:55 UTCJul 16, 21:05 UTC1h 10m
2026-07-16 SKW3768 - Jul 16, 18:00 UTCJul 16, 18:10 UTC10m
2026-07-16 SKW3768 - Jul 16, 17:00 UTCJul 16, 17:30 UTC30m
2026-07-16 SKW117W COS → SLC Jul 16, 14:25 UTCJul 16, 15:40 UTC1h 15m
2026-07-16 SKW3788 SLC → COS Jul 16, 03:10 UTCJul 16, 04:30 UTC1h 20m
2026-07-16 SKW3788 SLC → COS Jul 16, 03:14 UTCJul 16, 04:25 UTC1h 11m
2026-07-16 SKW3732 - Jul 16, 00:55 UTCJul 16, 01:55 UTC1h 0m
2026-07-15 SKW3732 - Jul 15, 22:25 UTCJul 15, 22:50 UTC25m

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 N286SY page for operator, model, and routing details .

Mode-S A2E5EC frequently asked

What is Mode-S code A2E5EC?
A2E5EC is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N286SY.
Where is Mode-S A2E5EC registered?
Mode-S code A2E5EC 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 A2E5EC broadcasting right now?
No active broadcast right now. Last signal was Jul 22, 21:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2E5EC, octal 50562754, decimal 10,675,692.
What flights does A2E5EC operate?
Mode-S A2E5EC has broadcast 20 distinct callsigns, including SKW4108, SKW4179, SKW4078, SKW4153, SKW3741.