Apparatus

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sensors Mode-S transponder

A37E9B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N324QS · CESSNA 680 Citation Sovereign · operated by NETJETS SALES INC

Hex
A37E9B
Octal
50677233
Decimal
10,714,779
Country
US
Tail
N324QS
Type
C680
Broadcasting now · callsign EJA324 · 39,000 ft
Flights observed
122
Distinct callsigns
2
Country
US
Last broadcast
2h ago

Current position

A37E9B is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A37E9B 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
EJA324 NetJets 116 2026-05-29
N324QS - 6 2026-05-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 EJA324 SAT → PVR May 29, 21:55 UTCMay 29, 22:20 UTC25m
2026-05-29 EJA324 SAT → PVR May 29, 18:55 UTCMay 29, 20:45 UTC1h 50m
2026-05-29 EJA324 SAT → PVR May 29, 13:50 UTCMay 29, 15:25 UTC1h 35m
2026-05-28 EJA324 SAT → PVR May 28, 21:15 UTCMay 28, 21:45 UTC30m
2026-05-28 EJA324 SAT → PVR May 28, 19:10 UTCMay 28, 20:25 UTC1h 15m
2026-05-28 EJA324 SAT → PVR May 28, 16:35 UTCMay 28, 17:15 UTC40m
2026-05-28 EJA324 SAT → PVR May 28, 14:55 UTCMay 28, 15:20 UTC25m
2026-05-27 EJA324 SAT → PVR May 27, 22:55 UTCMay 27, 23:40 UTC45m
2026-05-27 EJA324 SAT → PVR May 27, 20:20 UTCMay 27, 21:55 UTC1h 35m
2026-05-27 EJA324 SAT → PVR May 27, 17:45 UTCMay 27, 18:00 UTC15m
2026-05-27 EJA324 SAT → PVR May 27, 15:25 UTCMay 27, 17:10 UTC1h 45m
2026-05-27 EJA324 SAT → PVR May 27, 00:25 UTCMay 27, 00:44 UTC20m
2026-05-26 EJA324 SAT → PVR May 26, 22:50 UTCMay 26, 23:39 UTC50m
2026-05-26 EJA324 SAT → PVR May 26, 20:34 UTCMay 26, 20:50 UTC15m
2026-05-26 EJA324 SAT → PVR May 26, 16:35 UTCMay 26, 18:30 UTC1h 55m
2026-05-26 EJA324 SAT → PVR May 26, 00:35 UTCMay 26, 01:34 UTC1h 0m
2026-05-25 EJA324 SAT → PVR May 25, 22:55 UTCMay 25, 23:45 UTC50m
2026-05-25 EJA324 SAT → PVR May 25, 21:24 UTCMay 25, 22:05 UTC40m
2026-05-25 EJA324 SAT → PVR May 25, 18:30 UTCMay 25, 19:05 UTC35m
2026-05-25 EJA324 SAT → PVR May 25, 17:05 UTCMay 25, 17:50 UTC45m
2026-05-24 EJA324 SAT → PVR May 24, 00:00 UTCMay 24, 00:10 UTC10m
2026-05-23 EJA324 SAT → PVR May 23, 16:05 UTCMay 23, 17:15 UTC1h 10m
2026-05-23 EJA324 SAT → PVR May 23, 13:55 UTCMay 23, 14:25 UTC30m
2026-05-22 EJA324 SAT → PVR May 22, 18:20 UTCMay 22, 20:15 UTC1h 55m
2026-05-22 EJA324 SAT → PVR May 22, 14:20 UTCMay 22, 17:00 UTC2h 40m
2026-05-22 EJA324 SAT → PVR May 22, 10:50 UTCMay 22, 13:50 UTC3h 0m
2026-05-21 EJA324 SAT → PVR May 21, 20:00 UTCMay 21, 20:45 UTC45m
2026-05-21 EJA324 SAT → PVR May 21, 17:50 UTCMay 21, 19:25 UTC1h 35m
2026-05-21 EJA324 SAT → PVR May 21, 15:10 UTCMay 21, 16:20 UTC1h 10m
2026-05-21 EJA324 SAT → PVR May 21, 13:01 UTCMay 21, 13:45 UTC45m
2026-05-20 EJA324 SAT → PVR May 20, 18:05 UTCMay 20, 18:50 UTC45m
2026-05-20 EJA324 SAT → PVR May 20, 16:05 UTCMay 20, 17:10 UTC1h 5m
2026-05-20 EJA324 SAT → PVR May 20, 11:00 UTCMay 20, 12:05 UTC1h 5m
2026-05-19 EJA324 SAT → PVR May 19, 20:30 UTCMay 19, 21:55 UTC1h 25m
2026-05-18 EJA324 SAT → PVR May 18, 19:50 UTCMay 18, 21:25 UTC1h 35m
2026-05-18 EJA324 SAT → PVR May 18, 17:55 UTCMay 18, 18:55 UTC59m
2026-05-18 EJA324 SAT → PVR May 18, 13:50 UTCMay 18, 15:35 UTC1h 45m
2026-05-17 EJA324 SAT → PVR May 17, 23:00 UTCMay 18, 00:00 UTC1h 0m
2026-05-17 EJA324 SAT → PVR May 17, 20:50 UTCMay 17, 21:30 UTC40m
2026-05-17 EJA324 SAT → PVR May 17, 18:15 UTCMay 17, 19:05 UTC50m
2026-05-17 EJA324 SAT → PVR May 17, 14:30 UTCMay 17, 15:35 UTC1h 5m
2026-05-17 EJA324 SAT → PVR May 17, 13:20 UTCMay 17, 13:50 UTC30m
2026-05-16 EJA324 SAT → PVR May 16, 23:30 UTCMay 16, 23:55 UTC25m
2026-05-16 EJA324 SAT → PVR May 16, 21:45 UTCMay 16, 22:30 UTC45m
2026-05-16 EJA324 SAT → PVR May 16, 17:35 UTCMay 16, 18:35 UTC1h 0m
2026-05-16 EJA324 SAT → PVR May 16, 15:05 UTCMay 16, 15:40 UTC35m
2026-05-15 EJA324 SAT → PVR May 15, 19:20 UTCMay 15, 20:20 UTC1h 0m
2026-05-15 EJA324 SAT → PVR May 15, 15:30 UTCMay 15, 18:30 UTC3h 0m
2026-05-14 EJA324 SAT → PVR May 14, 15:01 UTCMay 14, 16:35 UTC1h 35m
2026-05-14 EJA324 SAT → PVR May 14, 11:25 UTCMay 14, 12:00 UTC35m

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 N324QS page for operator, model, and routing details .

Mode-S A37E9B frequently asked

What is Mode-S code A37E9B?
A37E9B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N324QS.
Where is Mode-S A37E9B registered?
Mode-S code A37E9B 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 A37E9B broadcasting right now?
Yes. Mode-S A37E9B is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A37E9B, octal 50677233, decimal 10,714,779.
What flights does A37E9B operate?
Mode-S A37E9B has broadcast 2 distinct callsigns, including EJA324, N324QS.