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 · 41,000 ft
Flights observed
246
Distinct callsigns
2
Country
US
Last broadcast
Jul 26, 22:10 UTC

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 234 2026-07-26
N324QS - 12 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EJA324 SAT → PVR Jul 26, 21:25 UTCJul 26, 22:10 UTC45m
2026-07-26 EJA324 SAT → PVR Jul 26, 17:10 UTCJul 26, 20:30 UTC3h 20m
2026-07-25 N324QS - Jul 25, 23:15 UTCJul 26, 02:20 UTC3h 5m
2026-07-25 N324QS BJC → ENA Jul 25, 16:10 UTCJul 25, 21:55 UTC5h 45m
2026-07-24 EJA324 - Jul 24, 16:20 UTCJul 24, 20:20 UTC4h 0m
2026-07-24 EJA324 - Jul 24, 14:35 UTCJul 24, 14:45 UTC10m
2026-07-23 EJA324 - Jul 23, 19:20 UTCJul 23, 22:10 UTC2h 50m
2026-07-23 EJA324 - Jul 23, 16:45 UTCJul 23, 17:00 UTC15m
2026-07-23 EJA324 - Jul 23, 13:00 UTCJul 23, 14:05 UTC1h 5m
2026-07-23 EJA324 - Jul 23, 11:00 UTCJul 23, 11:45 UTC45m
2026-07-22 EJA324 - Jul 22, 21:15 UTCJul 22, 21:50 UTC35m
2026-07-22 EJA324 - Jul 22, 18:40 UTCJul 22, 20:05 UTC1h 25m
2026-07-22 EJA324 - Jul 22, 17:00 UTCJul 22, 17:35 UTC35m
2026-07-22 EJA324 - Jul 22, 15:10 UTCJul 22, 15:45 UTC35m
2026-07-22 EJA324 - Jul 22, 12:55 UTCJul 22, 14:05 UTC1h 10m
2026-07-21 EJA324 - Jul 21, 22:10 UTCJul 21, 22:30 UTC20m
2026-07-21 EJA324 - Jul 21, 19:10 UTCJul 21, 21:40 UTC2h 30m
2026-07-19 EJA324 - Jul 19, 13:35 UTCJul 19, 13:50 UTC15m
2026-07-19 EJA324 - Jul 19, 11:10 UTCJul 19, 12:15 UTC1h 5m
2026-07-18 EJA324 - Jul 18, 20:00 UTCJul 18, 20:45 UTC45m
2026-07-16 EJA324 - Jul 16, 20:49 UTCJul 16, 21:30 UTC40m
2026-07-16 EJA324 - Jul 16, 19:20 UTCJul 16, 20:00 UTC40m
2026-07-16 EJA324 - Jul 16, 17:05 UTCJul 16, 17:35 UTC30m
2026-07-16 EJA324 - Jul 16, 14:55 UTCJul 16, 15:45 UTC50m
2026-07-16 EJA324 - Jul 16, 11:15 UTCJul 16, 12:30 UTC1h 15m
2026-07-13 EJA324 - Jul 13, 23:40 UTCJul 14, 00:00 UTC20m
2026-07-13 EJA324 YHU → TEB Jul 13, 22:15 UTCJul 13, 23:05 UTC50m
2026-07-13 EJA324 - Jul 13, 19:55 UTCJul 13, 20:55 UTC1h 0m
2026-07-13 EJA324 - Jul 13, 15:00 UTCJul 13, 18:55 UTC3h 55m
2026-07-12 EJA324 - Jul 12, 19:45 UTCJul 12, 21:10 UTC1h 25m
2026-07-12 EJA324 - Jul 12, 17:05 UTCJul 12, 18:50 UTC1h 45m
2026-07-11 EJA324 - Jul 11, 13:00 UTCJul 11, 18:05 UTC5h 5m
2026-07-11 EJA324 - Jul 11, 11:05 UTCJul 11, 11:30 UTC25m
2026-07-10 EJA324 - Jul 10, 23:45 UTCJul 11, 00:10 UTC25m
2026-07-10 EJA324 - Jul 10, 20:55 UTCJul 10, 23:10 UTC2h 15m
2026-07-10 EJA324 - Jul 10, 17:25 UTCJul 10, 18:10 UTC45m
2026-07-10 EJA324 - Jul 10, 14:20 UTCJul 10, 16:50 UTC2h 30m
2026-07-10 EJA324 - Jul 10, 00:05 UTCJul 10, 00:25 UTC20m
2026-07-09 EJA324 - Jul 9, 22:00 UTCJul 9, 23:00 UTC1h 0m
2026-07-09 EJA324 - Jul 9, 19:35 UTCJul 9, 20:00 UTC25m
2026-07-09 EJA324 - Jul 9, 18:20 UTCJul 9, 18:45 UTC25m
2026-07-09 EJA324 - Jul 9, 16:00 UTCJul 9, 16:50 UTC50m
2026-07-09 EJA324 - Jul 9, 14:15 UTCJul 9, 14:55 UTC40m
2026-07-08 EJA324 - Jul 8, 18:55 UTCJul 8, 19:25 UTC30m
2026-07-08 EJA324 - Jul 8, 02:45 UTCJul 8, 03:05 UTC20m
2026-07-08 EJA324 - Jul 8, 01:35 UTCJul 8, 02:15 UTC40m
2026-07-07 EJA324 - Jul 7, 22:50 UTCJul 8, 00:10 UTC1h 20m
2026-07-06 EJA324 - Jul 6, 22:15 UTCJul 7, 02:50 UTC4h 35m
2026-07-06 EJA324 - Jul 6, 12:05 UTCJul 6, 12:55 UTC50m
2026-07-05 EJA324 - Jul 5, 21:25 UTCJul 5, 22:20 UTC55m

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.