sensors Mode-S transponder

ACAD12

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N916BD · LEARJET 45 · operated by DILLARDS INC

Hex
ACAD12
Octal
53126422
Decimal
11,316,498
Country
US
Tail
N916BD
Type
LJ45
No current signal · last broadcast 10d ago
Flights observed
104
Distinct callsigns
1
Country
US
Last broadcast
10d ago

Last known position

Most recent position reported by Mode-S ACAD12.

Country allocation

The ICAO 24-bit address ACAD12 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 1 distinct

Callsign Airline Flights Last seen
N916BD - 104 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-22 N916BD - Jul 22, 21:45 UTCJul 22, 22:15 UTC30m
2026-07-22 N916BD - Jul 22, 19:30 UTCJul 22, 19:55 UTC25m
2026-07-22 N916BD - Jul 22, 16:15 UTCJul 22, 16:35 UTC20m
2026-07-22 N916BD - Jul 22, 13:15 UTCJul 22, 14:15 UTC1h 0m
2026-07-21 N916BD - Jul 21, 21:50 UTCJul 21, 22:10 UTC20m
2026-07-21 N916BD - Jul 21, 14:05 UTCJul 21, 14:30 UTC25m
2026-07-17 N916BD - Jul 17, 20:35 UTCJul 17, 22:20 UTC1h 45m
2026-07-16 N916BD - Jul 16, 16:25 UTCJul 16, 16:44 UTC20m
2026-07-16 N916BD - Jul 16, 13:40 UTCJul 16, 15:40 UTC2h 0m
2026-07-14 N916BD - Jul 14, 22:25 UTCJul 14, 23:00 UTC34m
2026-07-14 N916BD - Jul 14, 13:55 UTCJul 14, 14:40 UTC45m
2026-07-13 N916BD - Jul 13, 21:45 UTCJul 13, 22:25 UTC40m
2026-07-13 N916BD - Jul 13, 17:45 UTCJul 13, 18:35 UTC50m
2026-07-13 N916BD - Jul 13, 13:30 UTCJul 13, 14:35 UTC1h 5m
2026-07-11 N916BD - Jul 11, 21:35 UTCJul 11, 23:10 UTC1h 35m
2026-07-11 N916BD - Jul 11, 18:20 UTCJul 11, 20:00 UTC1h 40m
2026-07-09 N916BD - Jul 9, 20:50 UTCJul 9, 22:15 UTC1h 25m
2026-07-08 N916BD - Jul 8, 13:15 UTCJul 8, 14:40 UTC1h 25m
2026-07-06 N916BD - Jul 6, 21:30 UTCJul 6, 22:45 UTC1h 15m
2026-07-06 N916BD - Jul 6, 17:55 UTCJul 6, 18:05 UTC10m
2026-07-06 N916BD - Jul 6, 13:10 UTCJul 6, 14:10 UTC1h 0m
2026-06-30 N916BD - Jun 30, 22:05 UTCJun 30, 22:30 UTC25m
2026-06-30 N916BD - Jun 30, 13:15 UTCJun 30, 13:55 UTC40m
2026-06-27 N916BD - Jun 27, 00:44 UTCJun 27, 01:19 UTC35m
2026-06-26 N916BD - Jun 26, 20:44 UTCJun 26, 21:35 UTC50m
2026-06-24 N916BD - Jun 24, 21:40 UTCJun 24, 22:55 UTC1h 15m
2026-06-24 N916BD - Jun 24, 18:50 UTCJun 24, 19:20 UTC30m
2026-06-24 N916BD - Jun 24, 12:44 UTCJun 24, 12:54 UTC10m
2026-06-23 N916BD - Jun 23, 20:40 UTCJun 23, 20:59 UTC20m
2026-06-23 N916BD - Jun 23, 16:14 UTCJun 23, 16:44 UTC30m
2026-06-23 N916BD - Jun 23, 12:55 UTCJun 23, 13:34 UTC40m
2026-06-22 N916BD - Jun 22, 15:35 UTCJun 22, 15:54 UTC20m
2026-06-22 N916BD - Jun 22, 13:25 UTCJun 22, 14:49 UTC1h 25m
2026-06-19 N916BD - Jun 19, 20:59 UTCJun 19, 22:19 UTC1h 20m
2026-06-19 N916BD - Jun 19, 13:39 UTCJun 19, 15:04 UTC1h 25m
2026-06-18 N916BD - Jun 18, 22:15 UTCJun 18, 22:45 UTC30m
2026-06-18 N916BD - Jun 18, 19:40 UTCJun 18, 20:00 UTC20m
2026-06-18 N916BD - Jun 18, 16:05 UTCJun 18, 16:15 UTC10m
2026-06-18 N916BD - Jun 18, 13:20 UTCJun 18, 14:01 UTC40m
2026-06-11 N916BD - Jun 11, 15:55 UTCJun 11, 16:10 UTC15m
2026-06-11 N916BD - Jun 11, 14:15 UTCJun 11, 14:45 UTC30m
2026-06-10 N916BD - Jun 10, 21:30 UTCJun 10, 23:00 UTC1h 30m
2026-06-10 N916BD - Jun 10, 13:10 UTCJun 10, 14:40 UTC1h 30m
2026-06-09 N916BD - Jun 9, 21:20 UTCJun 9, 22:45 UTC1h 25m
2026-06-09 N916BD - Jun 9, 13:15 UTCJun 9, 14:20 UTC1h 5m
2026-06-08 N916BD - Jun 8, 21:00 UTCJun 8, 22:00 UTC1h 0m
2026-06-08 N916BD - Jun 8, 13:40 UTCJun 8, 14:45 UTC1h 5m
2026-06-04 N916BD - Jun 4, 22:30 UTCJun 4, 23:10 UTC40m
2026-06-04 N916BD TPA → ADS Jun 4, 19:40 UTCJun 4, 22:00 UTC2h 20m
2026-06-04 N916BD - Jun 4, 13:55 UTCJun 4, 15:05 UTC1h 10m

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 N916BD page for operator, model, and routing details .

Mode-S ACAD12 frequently asked

What is Mode-S code ACAD12?
ACAD12 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N916BD.
Where is Mode-S ACAD12 registered?
Mode-S code ACAD12 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 ACAD12 broadcasting right now?
No active broadcast right now. Last signal was 10d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACAD12, octal 53126422, decimal 11,316,498.
What flights does ACAD12 operate?
Mode-S ACAD12 has broadcast 1 distinct callsign, including N916BD.