sensors Mode-S transponder

A6EB1E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N545GJ · BOMBARDIER Regional Jet CRJ-700 · operated by SKYWEST AIRLINES INC

Hex
A6EB1E
Octal
51565436
Decimal
10,939,166
Country
US
Tail
N545GJ
Type
CRJ7
No current signal · last broadcast 3h ago
Flights observed
342
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A6EB1E.

Country allocation

The ICAO 24-bit address A6EB1E 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 GJS4165 AVP → EWR May 29, 22:40 UTCMay 29, 23:20 UTC40m
2026-05-29 GJS4387 EWR → HHH May 29, 19:20 UTCMay 29, 21:05 UTC1h 45m
2026-05-29 GJS4387 EWR → HHH May 29, 19:23 UTCMay 29, 20:44 UTC1h 21m
2026-05-29 GJS4440 EWR → ITH May 29, 17:00 UTCMay 29, 18:15 UTC1h 15m
2026-05-29 GJS4440 EWR → ITH May 29, 17:13 UTCMay 29, 18:22 UTC1h 9m
2026-05-29 GJS4449 ORD → STL May 29, 12:35 UTCMay 29, 14:20 UTC1h 45m
2026-05-29 GJS4429 CVG → IAD May 29, 01:10 UTCMay 29, 02:25 UTC1h 15m
2026-05-28 GJS4406 DCA → EWR May 28, 21:55 UTCMay 28, 23:20 UTC1h 25m
2026-05-28 GJS4406 DCA → EWR May 28, 21:56 UTCMay 28, 23:02 UTC1h 6m
2026-05-28 GJS4419 GSO → EWR May 28, 19:07 UTCMay 28, 21:12 UTC2h 5m
2026-05-28 GJS4419 GSO → EWR May 28, 19:00 UTCMay 28, 20:50 UTC1h 50m
2026-05-28 GJS4192 EWR → PHL May 28, 16:10 UTCMay 28, 17:45 UTC1h 35m
2026-05-28 GJS4487 PIT → EWR May 28, 13:10 UTCMay 28, 14:10 UTC1h 0m
2026-05-28 GJS4531 LNK → ORD May 28, 00:30 UTCMay 28, 01:40 UTC1h 10m
2026-05-27 GJS4516 IAD → LGA May 27, 22:05 UTCMay 27, 23:05 UTC1h 0m
2026-05-27 GJS4545 ORD → MLI May 27, 19:15 UTCMay 27, 20:55 UTC1h 40m
2026-05-27 GJS4424 EWR → CVG May 27, 17:00 UTCMay 27, 18:20 UTC1h 20m
2026-05-27 GJS4424 EWR → CVG May 27, 16:55 UTCMay 27, 18:17 UTC1h 22m
2026-05-27 GJS4459 IAD → LGA May 27, 14:05 UTCMay 27, 15:15 UTC1h 10m
2026-05-27 GJS4398 RIC → EWR May 27, 11:50 UTCMay 27, 12:50 UTC1h 0m
2026-05-26 GJS4520 ORD → CHA May 26, 23:49 UTCMay 27, 00:34 UTC45m
2026-05-26 GJS4574 ORD → YOW May 26, 22:15 UTCMay 26, 22:59 UTC45m
2026-05-26 GJS4494 EWR → GSO May 26, 20:05 UTCMay 26, 21:00 UTC55m
2026-05-26 GJS4494 EWR → GSO May 26, 20:02 UTCMay 26, 20:55 UTC53m
2026-05-26 GJS4491 ORF → EWR May 26, 17:44 UTCMay 26, 18:30 UTC45m
2026-05-26 GJS4489 EWR → DCA May 26, 14:20 UTCMay 26, 15:20 UTC1h 0m
2026-05-26 GJS4497 ORD → XNA May 26, 12:24 UTCMay 26, 13:00 UTC35m
2026-05-26 GJS4399 CVG → EWR May 26, 10:10 UTCMay 26, 11:30 UTC1h 20m
2026-05-26 GJS4405 EWR → DTW May 26, 01:30 UTCMay 26, 03:00 UTC1h 30m
2026-05-25 GJS4413 DCA → EWR May 25, 22:05 UTCMay 25, 23:45 UTC1h 40m
2026-05-25 GJS4413 DCA → EWR May 25, 22:14 UTCMay 25, 23:48 UTC1h 34m
2026-05-25 GJS4465 ILM → EWR May 25, 20:04 UTCMay 25, 21:15 UTC1h 10m
2026-05-25 GJS4168 DCA → EWR May 25, 17:40 UTCMay 25, 18:20 UTC40m
2026-05-25 GJS4168 DCA → EWR May 25, 17:38 UTCMay 25, 18:04 UTC26m
2026-05-25 GJS4458 RIC → EWR May 25, 16:20 UTCMay 25, 16:50 UTC30m
2026-05-25 GJS4449 ORD → STL May 25, 12:30 UTCMay 25, 14:10 UTC1h 40m
2026-05-25 GJS4429 CVG → IAD May 25, 01:55 UTCMay 25, 03:00 UTC1h 5m
2026-05-24 GJS4400 IAD → LGA May 24, 23:00 UTCMay 24, 23:35 UTC35m
2026-05-24 GJS4523 ORD → RIC May 24, 19:05 UTCMay 24, 20:40 UTC1h 35m
2026-05-24 GJS4395 CVG → EWR May 24, 16:40 UTCMay 24, 17:35 UTC55m
2026-05-24 GJS4395 CVG → EWR May 24, 16:40 UTCMay 24, 17:17 UTC37m
2026-05-24 GJS4388 ORD → YOW May 24, 13:10 UTCMay 24, 14:55 UTC1h 45m
2026-05-24 GJS4388 ORD → YOW May 24, 13:17 UTCMay 24, 14:51 UTC1h 34m
2026-05-24 GJS4550 MSN → ORD May 24, 00:20 UTCMay 24, 00:40 UTC20m
2026-05-23 GJS4193 HHH → EWR May 23, 22:25 UTCMay 23, 22:55 UTC30m
2026-05-23 GJS4545 ORD → MLI May 23, 19:55 UTCMay 23, 21:10 UTC1h 15m
2026-05-23 GJS4424 EWR → CVG May 23, 18:00 UTCMay 23, 19:05 UTC1h 5m
2026-05-23 GJS4401 EWR → PVD May 23, 16:05 UTCMay 23, 16:55 UTC50m
2026-05-23 GJS4498 EWR → PIT May 23, 13:00 UTCMay 23, 14:00 UTC1h 0m
2026-05-23 GJS4550 MSN → ORD May 23, 00:05 UTCMay 23, 00:25 UTC20m

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 N545GJ page for operator, model, and routing details .

Mode-S A6EB1E frequently asked

What is Mode-S code A6EB1E?
A6EB1E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N545GJ.
Where is Mode-S A6EB1E registered?
Mode-S code A6EB1E 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 A6EB1E broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6EB1E, octal 51565436, decimal 10,939,166.
What flights does A6EB1E operate?
Mode-S A6EB1E has broadcast 20 distinct callsigns, including GJS4180, GJS4419, GJS4591, GJS4545, GJS4395.