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sensors Mode-S transponder

A694B2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N523GJ · BOMBARDIER Regional Jet CRJ-700 · operated by SKYWEST LEASING INC

Hex
A694B2
Octal
51512262
Decimal
10,917,042
Country
US
Tail
N523GJ
Type
CRJ7
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
730
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S A694B2.

Country allocation

The ICAO 24-bit address A694B2 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
GJS4603 - 10 2026-07-12
GJS4447 - 10 2026-07-10
GJS4613 - 9 2026-06-29
GJS4582 - 9 2026-07-19
GJS4419 - 9 2026-07-09
GJS4480 - 8 2026-07-20
GJS4475 GoJet Airlines 8 2026-07-24
GJS4470 GoJet Airlines 8 2026-06-16
GJS4449 - 8 2026-07-01
GJS4442 GoJet Airlines 8 2026-06-16
GJS4383 GoJet Airlines 8 2026-07-24
GJS4193 GoJet Airlines 8 2026-07-24
GJS4554 - 7 2026-07-03
GJS4500 - 7 2026-07-20
GJS4440 - 7 2026-07-10
GJS4192 GoJet Airlines 7 2026-06-12
GJS4191 - 7 2026-07-09
GJS4594 - 6 2026-07-14
GJS4586 GoJet Airlines 6 2026-07-08
GJS4540 GoJet Airlines 6 2026-06-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 GJS4393 PQI → EWR Jul 26, 22:15 UTCJul 26, 22:30 UTC15m
2026-07-26 GJS4549 IAD → ORF Jul 26, 19:05 UTCJul 26, 19:30 UTC25m
2026-07-26 GJS4535 MSN → ORD Jul 26, 17:25 UTCJul 26, 17:50 UTC25m
2026-07-26 GJS4535 MSN → ORD Jul 26, 17:20 UTCJul 26, 17:54 UTC34m
2026-07-26 GJS4504 ILM → EWR Jul 26, 15:00 UTCJul 26, 16:05 UTC1h 5m
2026-07-26 GJS4492 DCA → EWR Jul 26, 12:55 UTCJul 26, 13:55 UTC1h 0m
2026-07-26 GJS4578 PHL → IAD Jul 26, 10:20 UTCJul 26, 11:05 UTC45m
2026-07-26 GJS4394 EWR → DCA Jul 26, 03:00 UTCJul 26, 03:50 UTC50m
2026-07-26 GJS4394 EWR → DCA Jul 26, 02:55 UTCJul 26, 03:46 UTC51m
2026-07-26 GJS4587 RIC → EWR Jul 26, 00:00 UTCJul 26, 00:35 UTC35m
2026-07-25 GJS4534 GSO → EWR Jul 25, 21:55 UTCJul 25, 22:25 UTC30m
2026-07-25 GJS4545 ORD → MLI Jul 25, 19:10 UTCJul 25, 20:25 UTC1h 15m
2026-07-25 GJS4545 ORD → MLI Jul 25, 19:11 UTCJul 25, 20:24 UTC1h 13m
2026-07-25 GJS4424 EWR → CVG Jul 25, 17:05 UTCJul 25, 18:20 UTC1h 15m
2026-07-25 GJS4506 STL → IAD Jul 25, 14:00 UTCJul 25, 15:45 UTC1h 45m
2026-07-25 GJS4576 ORD → CID Jul 25, 03:20 UTCJul 25, 04:05 UTC45m
2026-07-25 GJS4165 AVP → EWR Jul 25, 00:20 UTCJul 25, 01:20 UTC1h 0m
2026-07-25 GJS4165 AVP → EWR Jul 25, 00:22 UTCJul 25, 01:03 UTC41m
2026-07-24 GJS4518 ORD → STL Jul 24, 22:45 UTCJul 24, 23:35 UTC50m
2026-07-24 GJS4518 ORD → STL Jul 24, 22:18 UTCJul 24, 23:27 UTC1h 9m
2026-07-24 GJS4383 STL → ORD Jul 24, 19:45 UTCJul 24, 20:25 UTC40m
2026-07-24 GJS4383 STL → ORD Jul 24, 19:51 UTCJul 24, 20:10 UTC19m
2026-07-24 GJS4475 RIC → EWR Jul 24, 18:00 UTCJul 24, 18:40 UTC40m
2026-07-24 GJS4193 HHH → EWR Jul 24, 15:40 UTCJul 24, 16:20 UTC40m
2026-07-24 GJS4193 HHH → EWR Jul 24, 15:51 UTCJul 24, 16:27 UTC36m
2026-07-24 GJS4537 GSO → ORD Jul 24, 13:55 UTCJul 24, 14:30 UTC35m
2026-07-24 GJS4397 - Jul 24, 11:40 UTCJul 24, 12:20 UTC40m
2026-07-24 GJS4610 ITH → EWR Jul 24, 03:30 UTCJul 24, 04:10 UTC40m
2026-07-24 GJS4610 ITH → EWR Jul 24, 03:30 UTCJul 24, 03:59 UTC29m
2026-07-24 GJS4563 ORD → RIC Jul 24, 00:15 UTCJul 24, 01:10 UTC55m
2026-07-23 GJS4519 ORD → SCE Jul 23, 22:10 UTCJul 23, 22:55 UTC45m
2026-07-23 GJS4519 ORD → SCE Jul 23, 22:18 UTCJul 23, 22:54 UTC36m
2026-07-23 GJS4168 DCA → EWR Jul 23, 18:35 UTCJul 23, 20:35 UTC2h 0m
2026-07-23 GJS4380 RIC → EWR Jul 23, 15:40 UTCJul 23, 16:55 UTC1h 15m
2026-07-23 GJS4421 PHL → EWR Jul 23, 13:00 UTCJul 23, 14:10 UTC1h 10m
2026-07-23 GJS4451 EWR → GSO Jul 23, 03:15 UTCJul 23, 04:20 UTC1h 5m
2026-07-23 GJS4451 EWR → GSO Jul 23, 03:16 UTCJul 23, 04:18 UTC1h 2m
2026-07-22 GJS4175 ORD → TYS Jul 22, 22:20 UTCJul 23, 00:15 UTC1h 55m
2026-07-22 GJS4461 ORD → ABE Jul 22, 20:25 UTCJul 22, 21:40 UTC1h 15m
2026-07-22 GJS4461 ORD → ABE Jul 22, 20:31 UTCJul 22, 21:38 UTC1h 7m
2026-07-22 GJS3378 STL → ORD Jul 22, 11:40 UTCJul 22, 12:25 UTC45m
2026-07-20 GJS4416 ILM → EWR Jul 20, 21:50 UTCJul 20, 22:40 UTC50m
2026-07-20 GJS4571 - Jul 20, 18:00 UTCJul 20, 19:30 UTC1h 30m
2026-07-20 GJS4543 - Jul 20, 15:40 UTCJul 20, 16:45 UTC1h 5m
2026-07-20 GJS4480 - Jul 20, 12:25 UTCJul 20, 14:05 UTC1h 40m
2026-07-20 GJS4500 - Jul 20, 01:00 UTCJul 20, 02:10 UTC1h 10m
2026-07-19 GJS4530 ORD → SGF Jul 19, 21:50 UTCJul 19, 23:15 UTC1h 25m
2026-07-19 GJS4530 ORD → SGF Jul 19, 22:01 UTCJul 19, 22:54 UTC53m
2026-07-19 GJS4542 ORD → LIT Jul 19, 19:40 UTCJul 19, 20:40 UTC1h 0m
2026-07-19 GJS4600 - Jul 19, 16:25 UTCJul 19, 18:20 UTC1h 55m

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 N523GJ page for operator, model, and routing details .

Mode-S A694B2 frequently asked

What is Mode-S code A694B2?
A694B2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N523GJ.
Where is Mode-S A694B2 registered?
Mode-S code A694B2 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 A694B2 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A694B2, octal 51512262, decimal 10,917,042.
What flights does A694B2 operate?
Mode-S A694B2 has broadcast 20 distinct callsigns, including GJS4603, GJS4447, GJS4613, GJS4582, GJS4419.