Apparatus

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sensors Mode-S transponder

A65BFE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N509GJ · operated by GOJET AIRLINES LLC

Hex
A65BFE
Octal
51455776
Decimal
10,902,526
Country
US
Tail
N509GJ
No current signal · last broadcast Jul 26, 21:30 UTC
Flights observed
60
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:30 UTC

Last known position

Most recent position reported by Mode-S A65BFE.

Country allocation

The ICAO 24-bit address A65BFE 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
GJS4568 GoJet Airlines 3 2026-07-24
GJS4566 GoJet Airlines 3 2026-07-24
GJS4518 GoJet Airlines 3 2026-07-25
GJS4602 GoJet Airlines 2 2026-07-25
GJS4596 GoJet Airlines 2 2026-07-25
GJS4558 - 2 2026-07-14
GJS4554 GoJet Airlines 2 2026-07-23
GJS4553 GoJet Airlines 2 2026-07-21
GJS4513 GoJet Airlines 2 2026-07-25
GJS4500 GoJet Airlines 2 2026-07-21
GJS4480 GoJet Airlines 2 2026-07-21
GJS4478 GoJet Airlines 2 2026-07-20
GJS4462 GoJet Airlines 2 2026-07-23
GJS4445 GoJet Airlines 2 2026-07-24
GJS4426 GoJet Airlines 2 2026-07-22
GJS4423 GoJet Airlines 2 2026-07-18
GJS4409 GoJet Airlines 2 2026-07-23
GJS4407 GoJet Airlines 2 2026-07-25
GJS3395 GoJet Airlines 2 2026-06-14
GJS3377 - 2 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 GJS4564 ORD → ICT Jul 26, 20:50 UTCJul 26, 21:30 UTC40m
2026-07-26 GJS4431 EWR → DCA Jul 26, 18:40 UTCJul 26, 19:50 UTC1h 10m
2026-07-26 GJS4572 ORD → MEM Jul 26, 15:00 UTCJul 26, 16:45 UTC1h 45m
2026-07-26 GJS4186 EWR → DCA Jul 26, 11:55 UTCJul 26, 13:10 UTC1h 15m
2026-07-26 GJS4165 AVP → EWR Jul 26, 01:05 UTCJul 26, 01:55 UTC50m
2026-07-25 GJS4518 ORD → STL Jul 25, 23:15 UTCJul 25, 23:55 UTC40m
2026-07-25 GJS4518 ORD → STL Jul 25, 23:28 UTCJul 26, 00:18 UTC50m
2026-07-25 GJS4602 EWR → DCA Jul 25, 21:35 UTCJul 25, 22:05 UTC30m
2026-07-25 GJS4513 SAV → EWR Jul 25, 17:55 UTCJul 25, 18:25 UTC30m
2026-07-25 GJS4407 EWR → PQI Jul 25, 14:55 UTCJul 25, 16:10 UTC1h 15m
2026-07-25 GJS4596 MDT → ORD Jul 25, 12:30 UTCJul 25, 13:40 UTC1h 10m
2026-07-25 GJS4177 LGA → IAD Jul 25, 00:35 UTCJul 25, 01:25 UTC50m
2026-07-24 GJS4445 EWR → DCA Jul 24, 22:55 UTCJul 24, 23:40 UTC45m
2026-07-24 GJS4445 EWR → DCA Jul 24, 23:03 UTCJul 24, 23:36 UTC33m
2026-07-24 GJS4566 STL → ORD Jul 24, 19:20 UTCJul 24, 20:30 UTC1h 10m
2026-07-24 GJS4566 STL → ORD Jul 24, 19:33 UTCJul 24, 20:14 UTC41m
2026-07-24 GJS4568 ORD → SCE Jul 24, 17:20 UTCJul 24, 18:20 UTC1h 0m
2026-07-24 GJS4568 ORD → SCE Jul 24, 17:18 UTCJul 24, 18:29 UTC1h 11m
2026-07-23 GJS4409 IAD → PWM Jul 23, 22:15 UTCJul 23, 23:05 UTC50m
2026-07-23 GJS4409 IAD → PWM Jul 23, 21:41 UTCJul 23, 22:53 UTC1h 12m
2026-07-23 GJS4554 ICT → ORD Jul 23, 20:50 UTCJul 23, 21:20 UTC30m
2026-07-23 GJS4554 ICT → ORD Jul 23, 20:46 UTCJul 23, 21:21 UTC35m
2026-07-23 GJS4439 PHL → EWR Jul 23, 16:50 UTCJul 23, 18:25 UTC1h 35m
2026-07-23 GJS4462 EWR → GSO Jul 23, 14:20 UTCJul 23, 15:30 UTC1h 10m
2026-07-23 GJS4462 EWR → GSO Jul 23, 14:11 UTCJul 23, 15:28 UTC1h 17m
2026-07-23 GJS4383 STL → ORD Jul 23, 11:55 UTCJul 23, 12:50 UTC55m
2026-07-22 GJS4475 RIC → EWR Jul 22, 18:10 UTCJul 22, 18:50 UTC40m
2026-07-22 GJS4426 GSO → EWR Jul 22, 14:10 UTCJul 22, 16:00 UTC1h 50m
2026-07-22 GJS4426 GSO → EWR Jul 22, 14:15 UTCJul 22, 15:37 UTC1h 22m
2026-07-21 GJS4553 ORD → LIT Jul 21, 23:45 UTCJul 22, 01:30 UTC1h 45m
2026-07-21 GJS4553 ORD → LIT Jul 21, 23:57 UTCJul 22, 01:30 UTC1h 33m
2026-07-21 GJS4566 STL → ORD Jul 21, 18:25 UTCJul 21, 19:45 UTC1h 20m
2026-07-21 GJS4568 ORD → SCE Jul 21, 16:20 UTCJul 21, 17:20 UTC1h 0m
2026-07-21 GJS4480 DTW → ORD Jul 21, 13:00 UTCJul 21, 15:05 UTC2h 5m
2026-07-21 GJS4500 EWR → DCA Jul 21, 01:45 UTCJul 21, 02:50 UTC1h 5m
2026-07-20 GJS4530 ORD → SGF Jul 20, 22:30 UTCJul 20, 23:55 UTC1h 25m
2026-07-20 GJS4542 ORD → LIT Jul 20, 20:15 UTCJul 20, 21:20 UTC1h 5m
2026-07-20 GJS4410 IAD → LGA Jul 20, 16:25 UTCJul 20, 17:50 UTC1h 25m
2026-07-20 GJS4512 STL → EWR Jul 20, 14:05 UTCJul 20, 15:10 UTC1h 5m
2026-07-20 GJS4496 - Jul 20, 10:35 UTCJul 20, 12:15 UTC1h 40m
2026-07-20 GJS4478 IAD → LGA Jul 20, 01:55 UTCJul 20, 03:20 UTC1h 25m
2026-07-20 GJS4478 IAD → LGA Jul 20, 01:43 UTCJul 20, 03:36 UTC1h 53m
2026-07-19 GJS4602 - Jul 19, 20:20 UTCJul 19, 21:00 UTC40m
2026-07-19 GJS4513 - Jul 19, 18:55 UTCJul 19, 19:30 UTC35m
2026-07-19 GJS4407 EWR → PQI Jul 19, 15:10 UTCJul 19, 16:45 UTC1h 35m
2026-07-19 GJS4596 MDT → ORD Jul 19, 12:35 UTCJul 19, 13:50 UTC1h 15m
2026-07-18 GJS4423 STL → EWR Jul 18, 12:45 UTCJul 18, 13:40 UTC55m
2026-07-18 GJS4423 STL → EWR Jul 18, 12:37 UTCJul 18, 13:26 UTC49m
2026-07-17 GJS3377 ORD → STL Jul 17, 17:33 UTCJul 17, 17:34 UTC1m
2026-07-17 GJS3377 - Jul 17, 16:55 UTCJul 17, 17:15 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 N509GJ page for operator, model, and routing details .

Mode-S A65BFE frequently asked

What is Mode-S code A65BFE?
A65BFE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N509GJ.
Where is Mode-S A65BFE registered?
Mode-S code A65BFE 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 A65BFE broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A65BFE, octal 51455776, decimal 10,902,526.
What flights does A65BFE operate?
Mode-S A65BFE has broadcast 20 distinct callsigns, including GJS4568, GJS4566, GJS4518, GJS4602, GJS4596.