sensors Mode-S transponder

ACD54D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N926JS · EMBRAER EMB-505 Phenom 300 · operated by N926JS LLC

Hex
ACD54D
Octal
53152515
Decimal
11,326,797
Country
US
Tail
N926JS
Type
E55P
No current signal · last broadcast 1d ago
Flights observed
107
Distinct callsigns
2
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S ACD54D.

Country allocation

The ICAO 24-bit address ACD54D 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 2 distinct

Callsign Airline Flights Last seen
XSR926 - 104 2026-07-22
N926JS - 3 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-22 XSR926 - Jul 22, 22:45 UTCJul 23, 01:15 UTC2h 30m
2026-07-22 XSR926 - Jul 22, 21:25 UTCJul 22, 21:50 UTC25m
2026-07-22 XSR926 - Jul 22, 17:00 UTCJul 22, 19:30 UTC2h 30m
2026-07-22 XSR926 - Jul 22, 14:50 UTCJul 22, 16:25 UTC1h 35m
2026-07-20 XSR926 - Jul 20, 16:50 UTCJul 20, 18:50 UTC2h 0m
2026-07-19 XSR926 - Jul 19, 17:40 UTCJul 19, 20:25 UTC2h 45m
2026-07-19 XSR926 - Jul 19, 14:25 UTCJul 19, 16:55 UTC2h 30m
2026-07-19 XSR926 - Jul 19, 13:20 UTCJul 19, 13:30 UTC10m
2026-07-09 XSR926 - Jul 9, 18:55 UTCJul 9, 21:40 UTC2h 45m
2026-07-08 XSR926 - Jul 8, 22:15 UTCJul 9, 01:10 UTC2h 55m
2026-07-08 XSR926 - Jul 8, 18:30 UTCJul 8, 20:35 UTC2h 5m
2026-07-07 XSR926 - Jul 7, 15:10 UTCJul 7, 17:00 UTC1h 50m
2026-07-06 XSR926 - Jul 6, 18:15 UTCJul 6, 19:25 UTC1h 10m
2026-07-03 XSR926 - Jul 3, 23:00 UTCJul 3, 23:40 UTC40m
2026-07-02 XSR926 VNY → APA Jul 2, 01:00 UTCJul 2, 19:15 UTC18h 15m
2026-07-01 XSR926 SBA → VNY Jul 1, 20:15 UTCJul 1, 20:45 UTC30m
2026-07-01 XSR926 - Jul 1, 16:10 UTCJul 1, 19:30 UTC3h 20m
2026-07-01 XSR926 - Jul 1, 00:30 UTCJul 1, 01:05 UTC35m
2026-06-30 XSR926 - Jun 30, 04:25 UTCJun 30, 07:10 UTC2h 45m
2026-06-29 XSR926 - Jun 29, 13:34 UTCJun 29, 16:39 UTC3h 5m
2026-06-28 XSR926 - Jun 28, 21:24 UTCJun 28, 21:59 UTC35m
2026-06-28 XSR926 - Jun 28, 18:10 UTCJun 28, 19:59 UTC1h 50m
2026-06-28 XSR926 - Jun 28, 16:29 UTCJun 28, 17:10 UTC40m
2026-06-25 XSR926 - Jun 25, 19:44 UTCJun 25, 21:44 UTC2h 0m
2026-06-25 XSR926 ECP → HOU Jun 25, 11:44 UTCJun 25, 13:24 UTC1h 40m
2026-06-24 XSR926 - Jun 24, 19:00 UTCJun 24, 20:24 UTC1h 25m
2026-06-24 N926JS - Jun 24, 17:29 UTCJun 24, 17:59 UTC30m
2026-06-22 N926JS - Jun 22, 23:24 UTCJun 23, 01:35 UTC2h 10m
2026-06-22 N926JS - Jun 22, 19:05 UTCJun 22, 20:39 UTC1h 35m
2026-06-21 XSR926 - Jun 21, 20:14 UTCJun 21, 21:05 UTC50m
2026-06-21 XSR926 - Jun 21, 18:10 UTCJun 21, 19:39 UTC1h 30m
2026-06-20 XSR926 - Jun 20, 19:49 UTCJun 20, 20:55 UTC1h 5m
2026-06-20 XSR926 - Jun 20, 17:44 UTCJun 20, 18:54 UTC1h 10m
2026-06-20 XSR926 LAS → SEE Jun 20, 16:09 UTCJun 20, 16:55 UTC45m
2026-06-18 XSR926 - Jun 18, 16:20 UTCJun 18, 18:05 UTC1h 45m
2026-06-17 XSR926 - Jun 17, 22:45 UTCJun 18, 01:25 UTC2h 40m
2026-06-17 XSR926 - Jun 17, 19:55 UTCJun 17, 22:10 UTC2h 15m
2026-06-17 XSR926 - Jun 17, 15:20 UTCJun 17, 18:40 UTC3h 20m
2026-06-15 XSR926 - Jun 15, 22:40 UTCJun 16, 00:45 UTC2h 5m
2026-06-14 XSR926 - Jun 14, 16:15 UTCJun 14, 18:25 UTC2h 10m
2026-06-13 XSR926 - Jun 13, 18:00 UTCJun 13, 18:45 UTC45m
2026-06-12 XSR926 - Jun 12, 19:50 UTCJun 12, 20:20 UTC30m
2026-06-12 XSR926 - Jun 12, 15:10 UTCJun 12, 17:15 UTC2h 5m
2026-06-11 XSR926 - Jun 11, 13:40 UTCJun 11, 16:00 UTC2h 20m
2026-06-11 XSR926 - Jun 11, 11:40 UTCJun 11, 12:20 UTC40m
2026-06-07 XSR926 - Jun 7, 18:05 UTCJun 7, 22:00 UTC3h 55m
2026-06-07 XSR926 - Jun 7, 13:50 UTCJun 7, 16:35 UTC2h 45m
2026-06-05 XSR926 - Jun 5, 13:25 UTCJun 5, 16:05 UTC2h 40m
2026-06-04 XSR926 - Jun 4, 23:20 UTCJun 4, 23:50 UTC30m
2026-06-04 XSR926 - Jun 4, 22:10 UTCJun 4, 22:35 UTC25m

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 N926JS page for operator, model, and routing details .

Mode-S ACD54D frequently asked

What is Mode-S code ACD54D?
ACD54D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N926JS.
Where is Mode-S ACD54D registered?
Mode-S code ACD54D 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 ACD54D broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACD54D, octal 53152515, decimal 11,326,797.
What flights does ACD54D operate?
Mode-S ACD54D has broadcast 2 distinct callsigns, including XSR926, N926JS.