Apparatus

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sensors Mode-S transponder

AA9220

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N780SK · BOMBARDIER Regional Jet CRJ-700 · operated by SKYWEST AIRLINES INC

Hex
AA9220
Octal
52511040
Decimal
11,178,528
Country
US
Tail
N780SK
Type
CRJ7
Broadcasting now · callsign SKW5883 · 10,975 ft
Flights observed
555
Distinct callsigns
20
Country
US
Last broadcast
2h ago

Current position

AA9220 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AA9220 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
SKW4683 - 24 2026-07-11
SKW5688 - 18 2026-07-11
SKW4628 - 16 2026-07-13
SKW4753 SkyWest Airlines 14 2026-05-21
SKW4632 - 13 2026-07-10
SKW5880 - 12 2026-07-09
SKW5713 - 12 2026-07-12
SKW5236 - 12 2026-07-05
SKW4739 - 12 2026-07-09
SKW5883 - 11 2026-07-04
SKW5706 - 11 2026-07-13
SKW5446 SkyWest Airlines 11 2026-05-21
SKW5401 - 11 2026-07-13
SKW4695 - 11 2026-07-12
SKW5562 - 10 2026-07-05
SKW5406 - 10 2026-07-12
SKW4783 SkyWest Airlines 10 2026-04-28
SKW4661 - 10 2026-07-10
SKW6035 SkyWest Airlines 9 2026-05-19
SKW5613 - 9 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 SKW5706 - Jul 13, 23:40 UTCJul 14, 00:30 UTC50m
2026-07-13 SKW4628 - Jul 13, 20:15 UTCJul 13, 22:10 UTC1h 55m
2026-07-13 SKW5401 SFO → ABQ Jul 13, 16:30 UTCJul 13, 18:21 UTC1h 51m
2026-07-13 SKW5401 SFO → ABQ Jul 13, 16:20 UTCJul 13, 18:25 UTC2h 5m
2026-07-13 SKW5627 - Jul 13, 13:15 UTCJul 13, 14:00 UTC45m
2026-07-13 SKW5983 SFO → RNO Jul 13, 07:46 UTCJul 13, 08:31 UTC45m
2026-07-13 SKW5983 - Jul 13, 07:55 UTCJul 13, 08:30 UTC35m
2026-07-13 SKW5961 SMF → SFO Jul 13, 06:27 UTCJul 13, 06:40 UTC13m
2026-07-13 SKW5961 SMF → SFO Jul 13, 06:15 UTCJul 13, 06:40 UTC25m
2026-07-13 SKW5796 - Jul 13, 04:40 UTCJul 13, 05:01 UTC20m
2026-07-13 SKW5624 - Jul 13, 02:10 UTCJul 13, 03:10 UTC1h 0m
2026-07-12 SKW5613 SFO → ONT Jul 12, 23:42 UTCJul 13, 00:50 UTC1h 8m
2026-07-12 SKW5613 - Jul 12, 23:50 UTCJul 13, 00:01 UTC10m
2026-07-12 SKW4628 - Jul 12, 19:45 UTCJul 12, 21:40 UTC1h 55m
2026-07-12 SKW4628 ABQ → SFO Jul 12, 19:48 UTCJul 12, 21:37 UTC1h 49m
2026-07-12 SKW5401 - Jul 12, 16:25 UTCJul 12, 18:25 UTC2h 0m
2026-07-12 SKW5313 - Jul 12, 13:20 UTCJul 12, 14:01 UTC40m
2026-07-12 SKW4695 - Jul 12, 06:20 UTCJul 12, 06:45 UTC25m
2026-07-12 SKW4695 SFO → ACV Jul 12, 06:32 UTCJul 12, 07:18 UTC46m
2026-07-12 SKW5713 SBP → SFO Jul 12, 04:45 UTCJul 12, 05:30 UTC45m
2026-07-12 SKW5713 SBP → SFO Jul 12, 04:31 UTCJul 12, 05:24 UTC53m
2026-07-12 SKW5406 - Jul 12, 01:45 UTCJul 12, 02:25 UTC40m
2026-07-11 SKW5351 - Jul 11, 23:20 UTCJul 12, 00:20 UTC1h 0m
2026-07-11 SKW5440 - Jul 11, 20:55 UTCJul 11, 22:05 UTC1h 10m
2026-07-11 SKW4683 - Jul 11, 16:55 UTCJul 11, 18:40 UTC1h 45m
2026-07-11 SKW4683 TUS → SFO Jul 11, 16:52 UTCJul 11, 18:33 UTC1h 41m
2026-07-11 SKW5688 - Jul 11, 04:50 UTCJul 11, 06:35 UTC1h 45m
2026-07-11 SKW5624 - Jul 11, 02:35 UTCJul 11, 03:40 UTC1h 5m
2026-07-11 SKW5624 ONT → SFO Jul 11, 02:36 UTCJul 11, 03:37 UTC1h 1m
2026-07-11 SKW5613 - Jul 11, 00:20 UTCJul 11, 01:20 UTC1h 0m
2026-07-10 SKW4661 BOI → SFO Jul 10, 21:35 UTCJul 10, 23:10 UTC1h 35m
2026-07-10 SKW430A - Jul 10, 17:35 UTCJul 10, 18:45 UTC1h 10m
2026-07-10 SKW4632 - Jul 10, 15:30 UTCJul 10, 16:20 UTC50m
2026-07-10 SKW4632 ACV → SFO Jul 10, 15:08 UTCJul 10, 16:19 UTC1h 11m
2026-07-10 SKW4695 - Jul 10, 07:30 UTCJul 10, 08:00 UTC30m
2026-07-10 SKW5713 SBP → SFO Jul 10, 05:30 UTCJul 10, 06:15 UTC45m
2026-07-10 SKW5713 SBP → SFO Jul 10, 05:11 UTCJul 10, 06:13 UTC1h 2m
2026-07-10 SKW5406 SFO → SBP Jul 10, 02:33 UTCJul 10, 03:09 UTC36m
2026-07-10 SKW5406 SFO → SBP Jul 10, 02:25 UTCJul 10, 03:00 UTC35m
2026-07-09 SKW4739 - Jul 9, 23:45 UTCJul 10, 01:00 UTC1h 15m
2026-07-09 SKW4739 RDM → SFO Jul 9, 23:39 UTCJul 10, 00:56 UTC1h 17m
2026-07-09 SKW5880 - Jul 9, 20:45 UTCJul 9, 21:50 UTC1h 5m
2026-07-09 SKW5880 SFO → RDM Jul 9, 20:44 UTCJul 9, 21:53 UTC1h 9m
2026-07-09 SKW4683 - Jul 9, 17:20 UTCJul 9, 19:25 UTC2h 5m
2026-07-09 SKW5688 - Jul 9, 04:50 UTCJul 9, 06:30 UTC1h 40m
2026-07-09 SKW5624 - Jul 9, 02:45 UTCJul 9, 03:55 UTC1h 10m
2026-07-08 SKW5613 - Jul 8, 23:35 UTCJul 9, 00:30 UTC55m
2026-07-08 SKW4628 - Jul 8, 19:45 UTCJul 8, 21:45 UTC2h 0m
2026-07-08 SKW4628 ABQ → SFO Jul 8, 19:38 UTCJul 8, 21:49 UTC2h 11m
2026-07-08 SKW5401 - Jul 8, 16:45 UTCJul 8, 18:45 UTC2h 0m

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 N780SK page for operator, model, and routing details .

Mode-S AA9220 frequently asked

What is Mode-S code AA9220?
AA9220 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N780SK.
Where is Mode-S AA9220 registered?
Mode-S code AA9220 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 AA9220 broadcasting right now?
Yes. Mode-S AA9220 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA9220, octal 52511040, decimal 11,178,528.
What flights does AA9220 operate?
Mode-S AA9220 has broadcast 20 distinct callsigns, including SKW4683, SKW5688, SKW4628, SKW4753, SKW4632.