Apparatus

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sensors Mode-S transponder

A9D069

ICAO 24-bit transponder address · allocated to United States

Hex
A9D069
Octal
52350151
Decimal
11,128,937
Country
US
No current signal · last broadcast 49m ago
Flights observed
291
Distinct callsigns
20
Country
US
Last broadcast
49m ago

Last known position

Most recent position reported by Mode-S A9D069.

Country allocation

The ICAO 24-bit address A9D069 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
SKW4675 SkyWest Airlines 15 2026-06-12
SKW5306 SkyWest Airlines 14 2026-06-12
SKW5421 SkyWest Airlines 13 2026-06-08
SKW5989 SkyWest Airlines 12 2026-06-08
SKW5848 SkyWest Airlines 12 2026-06-09
SKW5791 - 12 2026-06-12
SKW5378 SkyWest Airlines 12 2026-06-09
SKW5291 SkyWest Airlines 12 2026-06-08
SKW4793 SkyWest Airlines 10 2026-06-09
SKW5428 - 9 2026-06-12
SKW4706 SkyWest Airlines 8 2026-05-19
SKW5845 SkyWest Airlines 7 2026-06-12
SKW5551 SkyWest Airlines 7 2026-05-20
SKW4717 SkyWest Airlines 7 2026-06-12
SKW4704 SkyWest Airlines 7 2026-05-19
SKW5950 SkyWest Airlines 6 2026-05-20
SKW5929 SkyWest Airlines 6 2026-05-15
SKW5822 SkyWest Airlines 6 2026-05-15
SKW4800 SkyWest Airlines 6 2026-05-21
SKW4709 SkyWest Airlines 6 2026-05-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-13 SKW5303 ONT → SFO Jun 13, 01:35 UTCJun 13, 02:05 UTC30m
2026-06-12 SKW4717 ABQ → SFO Jun 12, 22:20 UTCJun 12, 23:35 UTC1h 15m
2026-06-12 SKW5845 DCA → ORD Jun 12, 19:55 UTCJun 12, 21:10 UTC1h 15m
2026-06-12 SKW4675 SFO → PSP Jun 12, 17:58 UTCJun 12, 18:13 UTC15m
2026-06-12 SKW4675 SFO → PSP Jun 12, 17:55 UTCJun 12, 18:25 UTC30m
2026-06-12 SKW5306 SFO → ACV Jun 12, 16:20 UTCJun 12, 16:40 UTC20m
2026-06-12 SKW5791 - Jun 12, 13:10 UTCJun 12, 14:20 UTC1h 10m
2026-06-12 SKW5428 - Jun 12, 01:40 UTCJun 12, 03:10 UTC1h 30m
2026-06-11 SKW4717 ABQ → SFO Jun 11, 22:25 UTCJun 11, 23:30 UTC1h 5m
2026-06-11 SKW5845 DCA → ORD Jun 11, 20:25 UTCJun 11, 21:35 UTC1h 10m
2026-06-11 SKW5845 DCA → ORD Jun 11, 20:05 UTCJun 11, 21:31 UTC1h 26m
2026-06-11 SKW5903 SUN → SFO Jun 11, 16:45 UTCJun 11, 18:35 UTC1h 50m
2026-06-11 SKW5260 SFO → SNA Jun 11, 14:00 UTCJun 11, 15:25 UTC1h 25m
2026-06-11 SKW4641 ORD → FNT Jun 11, 11:41 UTCJun 11, 12:00 UTC19m
2026-06-11 SKW4641 ORD → FNT Jun 11, 11:25 UTCJun 11, 12:05 UTC40m
2026-06-11 SKW476G DEN → LBL Jun 11, 03:05 UTCJun 11, 03:30 UTC25m
2026-06-10 SKW5671 ORD → ROA Jun 10, 22:05 UTCJun 11, 00:55 UTC2h 50m
2026-06-10 SKW4658 ASE → SFO Jun 10, 19:50 UTCJun 10, 20:25 UTC35m
2026-06-10 SKW485U DEN → CPR Jun 10, 17:50 UTCJun 10, 18:30 UTC40m
2026-06-10 SKW5303 ONT → SFO Jun 10, 03:35 UTCJun 10, 16:25 UTC12h 50m
2026-06-09 SKW5848 FSD → DEN Jun 9, 22:25 UTCJun 10, 00:35 UTC2h 10m
2026-06-09 SKW5848 FSD → DEN Jun 9, 22:22 UTCJun 10, 00:17 UTC1h 55m
2026-06-09 SKW5378 DEN → FSD Jun 9, 20:00 UTCJun 9, 21:15 UTC1h 15m
2026-06-09 SKW5378 DEN → FSD Jun 9, 20:00 UTCJun 9, 21:13 UTC1h 13m
2026-06-09 SKW4675 SFO → PSP Jun 9, 17:49 UTCJun 9, 18:23 UTC34m
2026-06-09 SKW4675 SFO → PSP Jun 9, 18:05 UTCJun 9, 18:15 UTC10m
2026-06-09 SKW4793 LAX → RDD Jun 9, 02:20 UTCJun 9, 02:40 UTC20m
2026-06-08 SKW5989 SFO → SBA Jun 8, 23:50 UTCJun 9, 01:15 UTC1h 25m
2026-06-08 SKW5421 ORD → LIT Jun 8, 20:30 UTCJun 8, 21:40 UTC1h 10m
2026-06-08 SKW4675 SFO → PSP Jun 8, 18:15 UTCJun 8, 18:35 UTC20m
2026-06-08 SKW5306 SFO → ACV Jun 8, 16:40 UTCJun 8, 17:10 UTC30m
2026-06-08 SKW5306 SFO → ACV Jun 8, 16:39 UTCJun 8, 16:56 UTC17m
2026-06-08 SKW5291 DEN → MSP Jun 8, 12:30 UTCJun 8, 12:50 UTC20m
2026-06-08 SKW4793 LAX → RDD Jun 8, 01:38 UTCJun 8, 02:26 UTC48m
2026-06-07 SKW4717 ABQ → SFO Jun 7, 22:27 UTCJun 7, 23:27 UTC1h 0m
2026-06-07 SKW4717 ABQ → SFO Jun 7, 22:10 UTCJun 7, 23:30 UTC1h 20m
2026-06-07 SKW5845 DCA → ORD Jun 7, 20:10 UTCJun 7, 21:15 UTC1h 5m
2026-06-07 SKW4675 SFO → PSP Jun 7, 17:55 UTCJun 7, 18:20 UTC25m
2026-06-07 SKW5306 SFO → ACV Jun 7, 16:04 UTCJun 7, 16:16 UTC12m
2026-06-07 SKW5306 SFO → ACV Jun 7, 16:00 UTCJun 7, 16:15 UTC15m
2026-06-07 SKW5791 LBB → DEN Jun 7, 13:05 UTCJun 7, 14:20 UTC1h 15m
2026-06-06 SKW5421 ORD → LIT Jun 6, 19:50 UTCJun 6, 20:45 UTC55m
2026-06-06 SKW5322 MKE → ORD Jun 6, 17:10 UTCJun 6, 18:00 UTC50m
2026-06-06 SKW476G DEN → LBL Jun 6, 03:03 UTCJun 6, 03:43 UTC40m
2026-06-06 SKW476G DEN → LBL Jun 6, 03:05 UTCJun 6, 03:35 UTC30m
2026-06-06 SKW5671 ORD → ROA Jun 6, 00:20 UTCJun 6, 00:50 UTC30m
2026-06-06 SKW5671 ORD → ROA Jun 6, 00:10 UTCJun 6, 00:46 UTC36m
2026-06-05 SKW5265 RDM → SFO Jun 5, 22:10 UTCJun 5, 22:40 UTC30m
2026-06-05 SKW4658 ASE → SFO Jun 5, 19:45 UTCJun 5, 20:30 UTC45m
2026-06-05 SKW4658 ASE → SFO Jun 5, 19:57 UTCJun 5, 20:24 UTC27m

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.

Mode-S A9D069 frequently asked

What is Mode-S code A9D069?
A9D069 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A9D069 registered?
Mode-S code A9D069 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 A9D069 broadcasting right now?
No active broadcast right now. Last signal was 49m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9D069, octal 52350151, decimal 11,128,937.
What flights does A9D069 operate?
Mode-S A9D069 has broadcast 20 distinct callsigns, including SKW4675, SKW5306, SKW5421, SKW5989, SKW5848.