Apparatus

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sensors Mode-S transponder

A7CCCE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N601UX · EMBRAER ERJ-170-200 (long wing) · operated by UNITED AIRLINES INC

Hex
A7CCCE
Octal
51746316
Decimal
10,996,942
Country
US
Tail
N601UX
Type
E75L
No current signal · last broadcast Jul 26, 20:20 UTC
Flights observed
684
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 20:20 UTC

Last known position

Most recent position reported by Mode-S A7CCCE.

Country allocation

The ICAO 24-bit address A7CCCE 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
SKW4717 SkyWest Airlines 9 2026-07-22
SKW5739 SkyWest Airlines 6 2026-05-18
SKW5601 - 6 2026-06-23
SKW5599 SkyWest Airlines 6 2026-06-09
SKW5577 SkyWest Airlines 6 2026-07-19
SKW5464 SkyWest Airlines 6 2026-07-24
SKW5942 SkyWest Airlines 5 2026-05-20
SKW5810 - 5 2026-07-09
SKW5728 SkyWest Airlines 5 2026-05-18
SKW5704 SkyWest Airlines 5 2026-07-25
SKW5626 - 5 2026-07-14
SKW5507 SkyWest Airlines 5 2026-06-09
SKW5419 - 5 2026-07-12
SKW5375 SkyWest Airlines 5 2026-06-06
SKW5323 SkyWest Airlines 5 2026-07-22
SKW4802 - 5 2026-06-13
SKW4796 - 5 2026-07-19
SKW4768 SkyWest Airlines 5 2026-07-02
SKW4720 - 5 2026-06-28
SKW4662 - 5 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SKW4689 LAX → SFO Jul 26, 19:30 UTCJul 26, 20:20 UTC50m
2026-07-26 SKW5423 SFO → PHX Jul 26, 15:15 UTCJul 26, 16:45 UTC1h 30m
2026-07-26 SKW6043 LAX → SUN Jul 26, 02:00 UTCJul 26, 03:10 UTC1h 10m
2026-07-25 SKW5456 SFO → FCA Jul 25, 23:10 UTCJul 26, 00:45 UTC1h 35m
2026-07-25 SKW5456 SFO → FCA Jul 25, 23:17 UTCJul 26, 00:42 UTC1h 25m
2026-07-25 SKW5371 FAR → ORD Jul 25, 20:20 UTCJul 25, 21:45 UTC1h 25m
2026-07-25 SKW5328 SBN → ORD Jul 25, 17:40 UTCJul 25, 18:45 UTC1h 5m
2026-07-25 SKW5394 SFO → RNO Jul 25, 15:45 UTCJul 25, 16:10 UTC25m
2026-07-25 SKW4724 FCA → SFO Jul 25, 13:10 UTCJul 25, 13:50 UTC40m
2026-07-25 SKW4737 FAR → DEN Jul 25, 07:45 UTCJul 25, 08:16 UTC31m
2026-07-25 SKW4737 FAR → DEN Jul 25, 07:35 UTCJul 25, 08:20 UTC45m
2026-07-25 SKW5704 ORD → DTW Jul 25, 04:30 UTCJul 25, 06:23 UTC1h 53m
2026-07-25 SKW5962 SJC → DEN Jul 25, 01:35 UTCJul 25, 02:25 UTC50m
2026-07-24 SKW5256 SFO → GEG Jul 24, 23:18 UTCJul 25, 00:32 UTC1h 14m
2026-07-24 SKW5256 SFO → GEG Jul 24, 23:30 UTCJul 25, 00:25 UTC55m
2026-07-24 SKW5464 RDM → SFO Jul 24, 21:10 UTCJul 24, 22:05 UTC55m
2026-07-24 SKW5464 RDM → SFO Jul 24, 21:14 UTCJul 24, 21:59 UTC45m
2026-07-24 SKW5899 RNO → SFO Jul 24, 19:05 UTCJul 24, 20:05 UTC1h 0m
2026-07-24 SKW5410 PSP → SFO Jul 24, 16:45 UTCJul 24, 17:45 UTC1h 0m
2026-07-24 SKW5410 PSP → SFO Jul 24, 16:37 UTCJul 24, 17:43 UTC1h 6m
2026-07-24 SKW5542 SDF → ORD Jul 24, 14:50 UTCJul 24, 15:10 UTC20m
2026-07-24 SKW4787 ORD → CRW Jul 24, 01:45 UTCJul 24, 03:25 UTC1h 40m
2026-07-23 SKW5393 HSV → DEN Jul 23, 20:45 UTCJul 23, 23:10 UTC2h 25m
2026-07-23 SKW5514 BNA → DEN Jul 23, 17:10 UTCJul 23, 19:40 UTC2h 30m
2026-07-23 SKW481U YWG → DEN Jul 23, 14:00 UTCJul 23, 16:00 UTC2h 0m
2026-07-23 SKW5527 SFO → TUS Jul 23, 00:20 UTCJul 23, 02:10 UTC1h 50m
2026-07-22 SKW4721 CMH → ORD Jul 22, 19:25 UTCJul 22, 21:40 UTC2h 15m
2026-07-22 SKW4717 ABQ → SFO Jul 22, 16:30 UTCJul 22, 18:05 UTC1h 35m
2026-07-22 SKW4717 ABQ → SFO Jul 22, 16:28 UTCJul 22, 17:46 UTC1h 18m
2026-07-22 SKW5323 ORD → JAX Jul 22, 14:25 UTCJul 22, 15:20 UTC55m
2026-07-22 SKW5323 ORD → JAX Jul 22, 13:15 UTCJul 22, 14:20 UTC1h 5m
2026-07-22 SKW4753 BOI → SFO Jul 22, 00:00 UTCJul 22, 01:35 UTC1h 35m
2026-07-21 SKW5578 YYZ → ORD Jul 21, 21:00 UTCJul 21, 22:45 UTC1h 45m
2026-07-21 SKW463C DEN → PSC Jul 21, 17:50 UTCJul 21, 19:50 UTC2h 0m
2026-07-21 SKW4692 - Jul 21, 14:20 UTCJul 21, 16:10 UTC1h 50m
2026-07-21 SKW5512 ASE → SFO Jul 21, 00:30 UTCJul 21, 02:10 UTC1h 40m
2026-07-20 SKW5846 ORD → SDF Jul 20, 20:45 UTCJul 20, 22:55 UTC2h 10m
2026-07-20 SKW4689 LAX → SFO Jul 20, 18:45 UTCJul 20, 19:40 UTC55m
2026-07-20 SKW5519 CLD → SFO Jul 20, 16:30 UTCJul 20, 17:30 UTC1h 0m
2026-07-20 SKW5508 - Jul 20, 03:40 UTCJul 20, 04:55 UTC1h 15m
2026-07-20 SKW5936 - Jul 20, 00:40 UTCJul 20, 02:50 UTC2h 10m
2026-07-19 SKW5577 ORD → LGA Jul 19, 21:55 UTCJul 19, 23:30 UTC1h 35m
2026-07-19 SKW5577 ORD → LGA Jul 19, 21:49 UTCJul 19, 23:44 UTC1h 55m
2026-07-19 SKW445W ORD → FNT Jul 19, 20:00 UTCJul 19, 20:50 UTC50m
2026-07-19 SKW4796 - Jul 19, 06:45 UTCJul 19, 06:55 UTC10m
2026-07-19 SKW4796 - Jul 19, 06:05 UTCJul 19, 06:55 UTC50m
2026-07-19 SKW4796 LAX → SBA Jul 19, 06:05 UTCJul 19, 06:26 UTC21m
2026-07-19 SKW4739 - Jul 19, 02:40 UTCJul 19, 04:10 UTC1h 30m
2026-07-19 SKW4739 ACV → LAX Jul 19, 02:42 UTCJul 19, 04:09 UTC1h 27m
2026-07-18 SKW5293 DEN → XWA Jul 18, 23:35 UTCJul 19, 00:40 UTC1h 5m

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 N601UX page for operator, model, and routing details .

Mode-S A7CCCE frequently asked

What is Mode-S code A7CCCE?
A7CCCE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N601UX.
Where is Mode-S A7CCCE registered?
Mode-S code A7CCCE 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 A7CCCE broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7CCCE, octal 51746316, decimal 10,996,942.
What flights does A7CCCE operate?
Mode-S A7CCCE has broadcast 20 distinct callsigns, including SKW4717, SKW5739, SKW5601, SKW5599, SKW5577.