Apparatus

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sensors Mode-S transponder

AD929D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N974BC · CESSNA 172R Cutlass RG · operated by L & W AIRCRAFT INVESTMENT LLC

Hex
AD929D
Octal
53311235
Decimal
11,375,261
Country
US
Tail
N974BC
Type
C72R
No current signal · last broadcast 10h ago
Flights observed
215
Distinct callsigns
1
Country
US
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S AD929D.

Country allocation

The ICAO 24-bit address AD929D 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
N974BC - 215 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 N974BC TMB → TMB Jul 17, 18:34 UTCJul 17, 19:25 UTC50m
2026-07-17 N974BC - Jul 17, 16:44 UTCJul 17, 17:50 UTC1h 5m
2026-07-16 N974BC TMB → TMB Jul 16, 21:15 UTCJul 16, 21:50 UTC35m
2026-07-16 N974BC - Jul 16, 16:19 UTCJul 16, 17:20 UTC1h 0m
2026-07-16 N974BC - Jul 16, 14:45 UTCJul 16, 15:40 UTC55m
2026-07-16 N974BC TMB → APF Jul 16, 12:20 UTCJul 16, 13:10 UTC50m
2026-07-15 N974BC - Jul 15, 14:50 UTCJul 15, 15:55 UTC1h 5m
2026-07-15 N974BC - Jul 15, 12:40 UTCJul 15, 13:50 UTC1h 10m
2026-07-15 N974BC TMB → TMB Jul 15, 10:40 UTCJul 15, 11:45 UTC1h 5m
2026-07-14 N974BC TMB → TMB Jul 14, 18:30 UTCJul 14, 19:30 UTC1h 0m
2026-07-14 N974BC TMB → TMB Jul 14, 16:20 UTCJul 14, 17:00 UTC40m
2026-07-13 N974BC TMB → TMB Jul 13, 22:45 UTCJul 13, 23:35 UTC50m
2026-07-13 N974BC - Jul 13, 18:55 UTCJul 13, 20:20 UTC1h 25m
2026-07-13 N974BC TMB → TMB Jul 13, 16:35 UTCJul 13, 17:50 UTC1h 15m
2026-07-10 N974BC - Jul 10, 16:25 UTCJul 10, 19:00 UTC2h 35m
2026-07-10 N974BC - Jul 10, 13:00 UTCJul 10, 15:25 UTC2h 25m
2026-07-09 N974BC - Jul 9, 18:40 UTCJul 9, 19:45 UTC1h 5m
2026-07-09 N974BC TMB → TMB Jul 9, 16:35 UTCJul 9, 17:35 UTC1h 0m
2026-07-09 N974BC - Jul 9, 14:40 UTCJul 9, 15:15 UTC35m
2026-07-09 N974BC - Jul 9, 12:40 UTCJul 9, 13:20 UTC40m
2026-07-08 N974BC - Jul 8, 18:35 UTCJul 8, 19:50 UTC1h 15m
2026-07-07 N974BC - Jul 7, 17:30 UTCJul 7, 18:20 UTC50m
2026-07-07 N974BC - Jul 7, 16:00 UTCJul 7, 16:20 UTC20m
2026-07-07 N974BC - Jul 7, 14:45 UTCJul 7, 15:20 UTC35m
2026-07-07 N974BC - Jul 7, 12:50 UTCJul 7, 13:45 UTC55m
2026-07-07 N974BC TMB → TMB Jul 7, 10:55 UTCJul 7, 11:45 UTC50m
2026-07-06 N974BC TMB → TMB Jul 6, 12:25 UTCJul 6, 13:40 UTC1h 15m
2026-07-05 N974BC - Jul 5, 14:45 UTCJul 5, 16:00 UTC1h 15m
2026-07-05 N974BC - Jul 5, 12:50 UTCJul 5, 14:00 UTC1h 10m
2026-06-24 N974BC TMB → TMB Jun 24, 14:34 UTCJun 24, 15:35 UTC1h 0m
2026-06-24 N974BC TMB → TMB Jun 24, 11:34 UTCJun 24, 12:14 UTC40m
2026-06-23 N974BC - Jun 23, 22:25 UTCJun 23, 23:00 UTC35m
2026-06-23 N974BC TMB → TMB Jun 23, 16:39 UTCJun 23, 17:44 UTC1h 5m
2026-06-23 N974BC TMB → TMB Jun 23, 12:55 UTCJun 23, 13:50 UTC55m
2026-06-23 N974BC TMB → TMB Jun 23, 00:15 UTCJun 23, 01:59 UTC1h 45m
2026-06-19 N974BC TMB → TMB Jun 19, 22:34 UTCJun 19, 23:09 UTC35m
2026-06-19 N974BC TMB → TMB Jun 19, 16:49 UTCJun 19, 17:19 UTC30m
2026-06-19 N974BC TMB → TMB Jun 19, 15:14 UTCJun 19, 15:34 UTC20m
2026-06-18 N974BC TMB → TMB Jun 18, 18:50 UTCJun 18, 19:30 UTC40m
2026-06-18 N974BC - Jun 18, 12:45 UTCJun 18, 13:45 UTC1h 0m
2026-06-17 N974BC TMB → TMB Jun 17, 14:45 UTCJun 17, 15:46 UTC1h 0m
2026-06-17 N974BC - Jun 17, 12:45 UTCJun 17, 13:05 UTC20m
2026-06-16 N974BC TMB → TMB Jun 16, 21:05 UTCJun 16, 21:55 UTC50m
2026-06-16 N974BC - Jun 16, 14:45 UTCJun 16, 15:40 UTC55m
2026-06-16 N974BC TMB → TMB Jun 16, 11:35 UTCJun 16, 12:39 UTC1h 5m
2026-06-13 N974BC - Jun 13, 15:00 UTCJun 13, 15:25 UTC25m
2026-06-13 N974BC - Jun 13, 12:55 UTCJun 13, 13:30 UTC35m
2026-06-12 N974BC TMB → TMB Jun 12, 20:35 UTCJun 12, 21:10 UTC35m
2026-06-12 N974BC TMB → TMB Jun 12, 16:35 UTCJun 12, 17:45 UTC1h 10m
2026-06-12 N974BC - Jun 12, 14:35 UTCJun 12, 15:15 UTC40m

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 N974BC page for operator, model, and routing details .

Mode-S AD929D frequently asked

What is Mode-S code AD929D?
AD929D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N974BC.
Where is Mode-S AD929D registered?
Mode-S code AD929D 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 AD929D broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD929D, octal 53311235, decimal 11,375,261.
What flights does AD929D operate?
Mode-S AD929D has broadcast 1 distinct callsign, including N974BC.