Apparatus

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sensors Mode-S transponder

AD413B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N953QS · CESSNA 680 Citation Latitude · operated by GREAT SOUTH BAY LLC, ADAMCZYK DARIUS, GYPSY ROSE AVIATION LLC, SWEARINGEN JEFFREY, JJH TRAVEL LLC, FORSYTH JOHN

Hex
AD413B
Octal
53240473
Decimal
11,354,427
Country
US
Tail
N953QS
Type
C68A
No current signal · last broadcast 8h ago
Flights observed
114
Distinct callsigns
2
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S AD413B.

Country allocation

The ICAO 24-bit address AD413B 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
EJA953 NetJets 109 2026-05-30
N953QS - 5 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 EJA953 CLT → YUL May 30, 05:10 UTCMay 30, 05:50 UTC40m
2026-05-30 EJA953 CLT → YUL May 30, 03:55 UTCMay 30, 04:30 UTC35m
2026-05-29 EJA953 CLT → YUL May 29, 17:00 UTCMay 29, 18:35 UTC1h 35m
2026-05-28 EJA953 CLT → YUL May 28, 21:05 UTCMay 28, 23:15 UTC2h 10m
2026-05-28 N953QS - May 28, 13:25 UTCMay 28, 19:45 UTC6h 20m
2026-05-28 EJA953 CLT → YUL May 28, 01:15 UTCMay 28, 02:15 UTC1h 0m
2026-05-27 EJA953 CLT → YUL May 27, 23:00 UTCMay 27, 23:40 UTC40m
2026-05-27 EJA953 CLT → YUL May 27, 20:45 UTCMay 27, 22:00 UTC1h 15m
2026-05-27 EJA953 CLT → YUL May 27, 17:35 UTCMay 27, 18:15 UTC40m
2026-05-27 EJA953 CLT → YUL May 27, 14:50 UTCMay 27, 16:35 UTC1h 45m
2026-05-26 EJA953 CLT → YUL May 26, 21:14 UTCMay 27, 00:44 UTC3h 30m
2026-05-26 EJA953 CLT → YUL May 26, 19:25 UTCMay 26, 20:15 UTC50m
2026-05-26 EJA953 CLT → YUL May 26, 17:30 UTCMay 26, 17:55 UTC25m
2026-05-25 EJA953 CLT → YUL May 25, 22:40 UTCMay 25, 23:19 UTC40m
2026-05-25 EJA953 CLT → YUL May 25, 19:40 UTCMay 25, 20:45 UTC1h 5m
2026-05-25 EJA953 CLT → YUL May 25, 17:25 UTCMay 25, 17:40 UTC15m
2026-05-25 EJA953 CLT → YUL May 25, 15:45 UTCMay 25, 16:05 UTC20m
2026-05-24 EJA953 CLT → YUL May 24, 19:55 UTCMay 24, 23:46 UTC3h 51m
2026-05-24 EJA953 CLT → YUL May 24, 14:25 UTCMay 24, 15:50 UTC1h 25m
2026-05-24 EJA953 CLT → YUL May 24, 11:55 UTCMay 24, 13:10 UTC1h 15m
2026-05-24 EJA953 CLT → YUL May 24, 10:15 UTCMay 24, 10:45 UTC30m
2026-05-22 EJA953 CLT → YUL May 22, 19:25 UTCMay 22, 20:15 UTC50m
2026-05-22 EJA953 CLT → YUL May 22, 16:35 UTCMay 22, 18:40 UTC2h 5m
2026-05-22 EJA953 CLT → YUL May 22, 12:30 UTCMay 22, 15:05 UTC2h 35m
2026-05-21 EJA953 CLT → YUL May 21, 20:35 UTCMay 21, 20:55 UTC20m
2026-05-21 EJA953 CLT → YUL May 21, 16:05 UTCMay 21, 18:35 UTC2h 30m
2026-05-21 EJA953 CLT → YUL May 21, 12:15 UTCMay 21, 13:01 UTC45m
2026-05-20 EJA953 CLT → YUL May 20, 16:15 UTCMay 20, 18:40 UTC2h 25m
2026-05-20 EJA953 CLT → YUL May 20, 15:00 UTCMay 20, 15:15 UTC15m
2026-05-19 EJA953 CLT → YUL May 19, 23:05 UTCMay 20, 01:55 UTC2h 50m
2026-05-19 EJA953 CLT → YUL May 19, 19:05 UTCMay 19, 19:25 UTC20m
2026-05-19 EJA953 CLT → YUL May 19, 15:05 UTCMay 19, 18:05 UTC3h 0m
2026-05-19 EJA953 CLT → YUL May 19, 13:05 UTCMay 19, 13:40 UTC35m
2026-05-18 EJA953 CLT → YUL May 18, 17:50 UTCMay 18, 21:15 UTC3h 24m
2026-05-18 EJA953 CLT → YUL May 18, 14:00 UTCMay 18, 16:30 UTC2h 30m
2026-05-17 EJA953 CLT → YUL May 17, 21:45 UTCMay 17, 23:40 UTC1h 55m
2026-05-17 EJA953 CLT → YUL May 17, 18:55 UTCMay 17, 19:30 UTC35m
2026-05-17 EJA953 CLT → YUL May 17, 15:40 UTCMay 17, 17:20 UTC1h 40m
2026-05-16 EJA953 CLT → YUL May 16, 16:05 UTCMay 16, 18:45 UTC2h 40m
2026-05-16 EJA953 CLT → YUL May 16, 13:51 UTCMay 16, 14:20 UTC30m
2026-05-15 EJA953 CLT → YUL May 15, 18:20 UTCMay 15, 19:00 UTC40m
2026-05-15 EJA953 CLT → YUL May 15, 16:25 UTCMay 15, 16:50 UTC25m
2026-05-15 EJA953 CLT → YUL May 15, 14:30 UTCMay 15, 15:15 UTC44m
2026-05-14 N953QS - May 14, 22:40 UTCMay 15, 01:40 UTC3h 0m
2026-05-14 N953QS - May 14, 15:01 UTCMay 14, 15:30 UTC30m
2026-05-14 EJA953 CLT → YUL May 14, 00:55 UTCMay 14, 02:15 UTC1h 20m
2026-05-13 EJA953 CLT → YUL May 13, 20:00 UTCMay 13, 23:05 UTC3h 5m
2026-05-12 EJA953 CLT → YUL May 12, 20:25 UTCMay 12, 22:40 UTC2h 15m
2026-05-12 EJA953 CLT → YUL May 12, 13:55 UTCMay 12, 15:30 UTC1h 35m
2026-05-11 EJA953 CLT → YUL May 11, 20:40 UTCMay 11, 20:55 UTC15m

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 N953QS page for operator, model, and routing details .

Mode-S AD413B frequently asked

What is Mode-S code AD413B?
AD413B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N953QS.
Where is Mode-S AD413B registered?
Mode-S code AD413B 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 AD413B broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD413B, octal 53240473, decimal 11,354,427.
What flights does AD413B operate?
Mode-S AD413B has broadcast 2 distinct callsigns, including EJA953, N953QS.