sensors Mode-S transponder

A026FC

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N109JS · BOEING 737 MAX 8 · operated by BANK OF UTAH TRUSTEE

Hex
A026FC
Octal
50023374
Decimal
10,495,740
Country
US
Tail
N109JS
Type
B38M
No current signal · last broadcast 2h ago
Flights observed
271
Distinct callsigns
20
Country
US
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S A026FC.

Country allocation

The ICAO 24-bit address A026FC 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
AMX669 Aeroméxico 6 2026-06-06
AMX709 Aeroméxico 5 2026-05-27
AMX708 Aeroméxico 5 2026-05-27
AMX668 Aeroméxico 5 2026-06-05
AMX644 Aeroméxico 5 2026-06-06
AMX484 Aeroméxico 5 2026-06-10
AMX120 - 5 2026-06-25
AMX762 Aeroméxico 4 2026-06-07
AMX755 Aeroméxico 4 2026-05-29
AMX718 Aeroméxico 4 2026-06-08
AMX685 Aeroméxico 4 2026-05-04
AMX648 - 4 2026-06-21
AMX645 Aeroméxico 4 2026-06-07
AMX495 - 4 2026-07-13
AMX117 - 4 2026-06-24
AMX761 Aeroméxico 3 2026-06-07
AMX649 - 3 2026-06-21
AMX643 - 3 2026-07-12
AMX642 - 3 2026-07-11
AMX615 - 3 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AMX300 - Jul 14, 17:15 UTCJul 14, 17:35 UTC20m
2026-07-14 AMX701 - Jul 14, 15:25 UTCJul 14, 15:35 UTC10m
2026-07-14 AMX701 - Jul 14, 13:20 UTCJul 14, 13:35 UTC15m
2026-07-14 AMX714 - Jul 14, 05:30 UTCJul 14, 05:45 UTC15m
2026-07-14 AMX714 - Jul 14, 03:30 UTCJul 14, 03:40 UTC10m
2026-07-13 AMX495 - Jul 13, 21:40 UTCJul 13, 21:50 UTC10m
2026-07-13 AMX495 - Jul 13, 16:55 UTCJul 13, 20:55 UTC4h 0m
2026-07-12 AMX494 - Jul 12, 22:20 UTCJul 13, 02:20 UTC4h 0m
2026-07-12 AMX494 - Jul 12, 21:30 UTCJul 12, 21:40 UTC10m
2026-07-12 AMX527 - Jul 12, 17:35 UTCJul 12, 19:25 UTC1h 50m
2026-07-12 AMX508 - Jul 12, 14:25 UTCJul 12, 16:15 UTC1h 50m
2026-07-12 AMX643 - Jul 12, 01:35 UTCJul 12, 03:05 UTC1h 30m
2026-07-11 AMX642 - Jul 11, 20:05 UTCJul 11, 23:15 UTC3h 10m
2026-07-11 AMX141 - Jul 11, 17:35 UTCJul 11, 17:50 UTC15m
2026-07-11 AMX138 - Jul 11, 12:40 UTCJul 11, 16:50 UTC4h 10m
2026-07-10 AMX641 - Jul 10, 16:20 UTCJul 10, 21:10 UTC4h 50m
2026-07-09 AMX640 - Jul 9, 21:45 UTCJul 10, 02:20 UTC4h 35m
2026-07-09 AMX1455 - Jul 9, 16:55 UTCJul 9, 17:20 UTC25m
2026-07-09 AMX1452 - Jul 9, 14:55 UTCJul 9, 15:10 UTC15m
2026-07-09 AMX201 - Jul 9, 12:30 UTCJul 9, 12:50 UTC20m
2026-07-08 AMX260 - Jul 8, 03:20 UTCJul 8, 03:30 UTC10m
2026-07-07 AMX527 - Jul 7, 17:50 UTCJul 7, 19:45 UTC1h 55m
2026-07-07 AMX508 - Jul 7, 14:30 UTCJul 7, 16:15 UTC1h 45m
2026-07-06 AMX495 SEA → MEX Jul 6, 21:20 UTCJul 6, 21:30 UTC10m
2026-07-06 AMX495 SEA → MEX Jul 6, 16:50 UTCJul 6, 20:35 UTC3h 45m
2026-07-05 AMX494 - Jul 5, 22:40 UTCJul 6, 03:45 UTC5h 5m
2026-07-05 AMX419 - Jul 5, 17:15 UTCJul 5, 19:00 UTC1h 45m
2026-07-05 AMX472 - Jul 5, 13:15 UTCJul 5, 15:05 UTC1h 50m
2026-07-04 AMX411 MIA → CUN Jul 4, 12:40 UTCJul 4, 17:05 UTC4h 25m
2026-07-03 AMX410 - Jul 3, 21:35 UTCJul 4, 02:25 UTC4h 50m
2026-07-03 AMX693 YYZ → MEX Jul 3, 15:25 UTCJul 3, 19:50 UTC4h 25m
2026-07-03 AMX692 - Jul 3, 05:55 UTCJul 3, 10:10 UTC4h 15m
2026-07-02 AMX403 JFK → MEX Jul 2, 22:40 UTCJul 3, 03:00 UTC4h 20m
2026-07-02 AMX402 - Jul 2, 15:25 UTCJul 2, 19:55 UTC4h 30m
2026-07-02 AMX799 - Jul 2, 00:55 UTCJul 2, 10:05 UTC9h 10m
2026-07-01 AMX793 SLC → MEX Jul 1, 15:45 UTCJul 1, 22:45 UTC7h 0m
2026-06-30 AMX793 SLC → SLC Jun 30, 15:55 UTCJul 1, 01:25 UTC9h 30m
2026-06-29 AMX792 - Jun 29, 17:05 UTCJun 30, 01:14 UTC8h 10m
2026-06-28 AMX618 - Jun 28, 22:04 UTCJun 29, 01:29 UTC3h 25m
2026-06-28 AMX693 YYZ → MEX Jun 28, 15:29 UTCJun 28, 19:49 UTC4h 20m
2026-06-28 AMX692 - Jun 28, 08:14 UTCJun 28, 12:29 UTC4h 15m
2026-06-28 AMX471 - Jun 28, 01:25 UTCJun 28, 03:00 UTC1h 35m
2026-06-27 AMX470 - Jun 27, 21:29 UTCJun 27, 23:14 UTC1h 45m
2026-06-27 AMX655 SDQ → MEX Jun 27, 15:34 UTCJun 27, 19:19 UTC3h 45m
2026-06-27 AMX654 - Jun 27, 06:44 UTCJun 27, 10:19 UTC3h 35m
2026-06-26 AMX403 - Jun 26, 22:19 UTCJun 27, 02:45 UTC4h 25m
2026-06-26 AMX402 - Jun 26, 15:34 UTCJun 26, 20:10 UTC4h 35m
2026-06-25 AMX120 - Jun 25, 04:20 UTCJun 25, 04:40 UTC20m
2026-06-25 AMX120 - Jun 25, 02:35 UTCJun 25, 03:40 UTC1h 5m
2026-06-24 AMX117 - Jun 24, 22:49 UTCJun 25, 00:55 UTC2h 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 N109JS page for operator, model, and routing details .

Mode-S A026FC frequently asked

What is Mode-S code A026FC?
A026FC is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N109JS.
Where is Mode-S A026FC registered?
Mode-S code A026FC 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 A026FC broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A026FC, octal 50023374, decimal 10,495,740.
What flights does A026FC operate?
Mode-S A026FC has broadcast 20 distinct callsigns, including AMX669, AMX709, AMX708, AMX668, AMX644.