Apparatus

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sensors Mode-S transponder

AD124E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N941QS · operated by BLUE HILL CONNECTION LLC, CRANK IT UP LLC, D SHELLY GROUP INC, EDL INVESTMENT LLC, FELLERS FRANKLIN W JR, HEMACAF LLC

Hex
AD124E
Octal
53211116
Decimal
11,342,414
Country
US
Tail
N941QS
Type
C68A
Broadcasting now · callsign EJA941 · 41,000 ft
Flights observed
139
Distinct callsigns
2
Country
US
Last broadcast
2h ago

Current position

AD124E is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AD124E 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
EJA941 NetJets 128 2026-05-30
N941QS - 11 2026-05-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 EJA941 MRY → VNY May 30, 17:05 UTCMay 30, 18:35 UTC1h 30m
2026-05-30 EJA941 MRY → VNY May 30, 13:40 UTCMay 30, 15:50 UTC2h 10m
2026-05-29 EJA941 MRY → VNY May 29, 22:35 UTCMay 29, 23:25 UTC50m
2026-05-29 EJA941 MRY → VNY May 29, 18:35 UTCMay 29, 20:40 UTC2h 5m
2026-05-29 EJA941 MRY → VNY May 29, 15:20 UTCMay 29, 17:05 UTC1h 45m
2026-05-28 EJA941 MRY → VNY May 28, 21:35 UTCMay 29, 00:20 UTC2h 45m
2026-05-28 EJA941 MRY → VNY May 28, 15:55 UTCMay 28, 17:40 UTC1h 45m
2026-05-27 EJA941 MRY → VNY May 27, 22:35 UTCMay 27, 23:25 UTC50m
2026-05-27 EJA941 MRY → VNY May 27, 20:20 UTCMay 27, 21:50 UTC1h 30m
2026-05-27 EJA941 MRY → VNY May 27, 15:30 UTCMay 27, 18:55 UTC3h 25m
2026-05-26 EJA941 MRY → VNY May 26, 19:34 UTCMay 27, 01:44 UTC6h 10m
2026-05-26 EJA941 MRY → VNY May 26, 01:20 UTCMay 26, 01:49 UTC30m
2026-05-25 N941QS - May 25, 23:45 UTCMay 26, 00:35 UTC50m
2026-05-25 N941QS - May 25, 22:15 UTCMay 25, 22:25 UTC10m
2026-05-25 N941QS - May 25, 20:24 UTCMay 25, 20:40 UTC15m
2026-05-25 N941QS - May 25, 18:55 UTCMay 25, 19:30 UTC35m
2026-05-25 EJA941 MRY → VNY May 25, 17:05 UTCMay 25, 17:45 UTC40m
2026-05-25 EJA941 MRY → VNY May 25, 15:30 UTCMay 25, 16:00 UTC30m
2026-05-24 EJA941 MRY → VNY May 24, 19:15 UTCMay 24, 21:45 UTC2h 30m
2026-05-24 EJA941 MRY → VNY May 24, 16:00 UTCMay 24, 16:20 UTC20m
2026-05-24 EJA941 MRY → VNY May 24, 13:40 UTCMay 24, 14:40 UTC1h 0m
2026-05-23 EJA941 MRY → VNY May 23, 16:15 UTCMay 23, 17:10 UTC55m
2026-05-23 EJA941 MRY → VNY May 23, 14:25 UTCMay 23, 14:55 UTC30m
2026-05-23 EJA941 MRY → VNY May 23, 12:20 UTCMay 23, 12:55 UTC35m
2026-05-21 EJA941 MRY → VNY May 21, 19:50 UTCMay 21, 21:20 UTC1h 30m
2026-05-21 N941QS - May 21, 17:15 UTCMay 21, 18:50 UTC1h 35m
2026-05-21 N941QS - May 21, 12:10 UTCMay 21, 13:20 UTC1h 10m
2026-05-20 EJA941 MRY → VNY May 20, 22:45 UTCMay 20, 23:45 UTC1h 0m
2026-05-20 EJA941 MRY → VNY May 20, 20:15 UTCMay 20, 21:35 UTC1h 20m
2026-05-20 EJA941 MRY → VNY May 20, 17:25 UTCMay 20, 19:00 UTC1h 35m
2026-05-20 EJA941 MRY → VNY May 20, 15:20 UTCMay 20, 15:30 UTC10m
2026-05-20 EJA941 MRY → VNY May 20, 12:05 UTCMay 20, 13:10 UTC1h 5m
2026-05-19 EJA941 MRY → VNY May 19, 22:00 UTCMay 19, 22:15 UTC15m
2026-05-19 EJA941 MRY → VNY May 19, 18:15 UTCMay 19, 19:40 UTC1h 25m
2026-05-19 EJA941 MRY → VNY May 19, 13:20 UTCMay 19, 15:30 UTC2h 10m
2026-05-19 EJA941 MRY → VNY May 19, 11:15 UTCMay 19, 11:40 UTC25m
2026-05-19 EJA941 MRY → VNY May 19, 02:55 UTCMay 19, 03:30 UTC35m
2026-05-19 EJA941 MRY → VNY May 19, 01:35 UTCMay 19, 02:05 UTC30m
2026-05-18 EJA941 MRY → VNY May 18, 23:05 UTCMay 19, 00:00 UTC55m
2026-05-18 EJA941 MRY → VNY May 18, 16:10 UTCMay 18, 18:55 UTC2h 44m
2026-05-17 EJA941 MRY → VNY May 17, 23:40 UTCMay 18, 01:45 UTC2h 5m
2026-05-17 EJA941 MRY → VNY May 17, 20:40 UTCMay 17, 21:30 UTC50m
2026-05-17 EJA941 MRY → VNY May 17, 16:05 UTCMay 17, 19:40 UTC3h 35m
2026-05-17 EJA941 MRY → VNY May 17, 14:40 UTCMay 17, 14:50 UTC10m
2026-05-16 EJA941 MRY → VNY May 16, 17:05 UTCMay 16, 19:30 UTC2h 25m
2026-05-16 EJA941 MRY → VNY May 16, 14:31 UTCMay 16, 15:40 UTC1h 10m
2026-05-15 EJA941 MRY → VNY May 15, 15:10 UTCMay 15, 17:15 UTC2h 5m
2026-05-15 EJA941 MRY → VNY May 15, 11:40 UTCMay 15, 13:45 UTC2h 5m
2026-05-14 EJA941 MRY → VNY May 14, 20:40 UTCMay 14, 21:15 UTC35m
2026-05-14 EJA941 MRY → VNY May 14, 14:10 UTCMay 14, 15:15 UTC1h 5m

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 N941QS page for operator, model, and routing details .

Mode-S AD124E frequently asked

What is Mode-S code AD124E?
AD124E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N941QS.
Where is Mode-S AD124E registered?
Mode-S code AD124E 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 AD124E broadcasting right now?
Yes. Mode-S AD124E is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD124E, octal 53211116, decimal 11,342,414.
What flights does AD124E operate?
Mode-S AD124E has broadcast 2 distinct callsigns, including EJA941, N941QS.