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sensors Mode-S transponder

A456A9

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N379QS · EMBRAER EMB-505 Phenom 300 · operated by NETJETS SALES INC, ADAMS AVIATION LLC, HOYT DAVID & HOYT JANYCE, DMC MANAGEMENT LLC, JOHN R MILLER RANCH VENTURES LLC, HILL LYDA

Hex
A456A9
Octal
51053251
Decimal
10,770,089
Country
US
Tail
N379QS
Type
E55P
Broadcasting now · callsign EJA379 · 225 ft
Flights observed
229
Distinct callsigns
2
Country
US
Last broadcast
43m ago

Current position

A456A9 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A456A9 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
EJA379 - 226 2026-07-14
N379QS - 3 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EJA379 - Jul 14, 15:00 UTCJul 14, 16:15 UTC1h 15m
2026-07-13 EJA379 - Jul 13, 15:55 UTCJul 14, 00:00 UTC8h 5m
2026-07-13 EJA379 - Jul 13, 01:45 UTCJul 13, 02:01 UTC15m
2026-07-12 N379QS - Jul 12, 17:30 UTCJul 13, 00:35 UTC7h 5m
2026-07-12 EJA379 - Jul 12, 14:45 UTCJul 12, 16:20 UTC1h 35m
2026-07-11 EJA379 - Jul 11, 18:20 UTCJul 12, 16:20 UTC22h 0m
2026-07-11 EJA379 - Jul 11, 18:00 UTCJul 12, 16:15 UTC22h 15m
2026-07-11 EJA379 - Jul 11, 14:25 UTCJul 11, 17:10 UTC2h 45m
2026-07-11 EJA379 - Jul 11, 12:30 UTCJul 11, 12:45 UTC15m
2026-07-08 EJA379 - Jul 8, 21:40 UTCJul 8, 22:20 UTC40m
2026-07-08 EJA379 - Jul 8, 19:40 UTCJul 8, 20:10 UTC30m
2026-07-08 EJA379 - Jul 8, 17:40 UTCJul 8, 18:00 UTC20m
2026-07-08 EJA379 - Jul 8, 16:05 UTCJul 8, 16:35 UTC30m
2026-07-08 EJA379 - Jul 8, 14:20 UTCJul 8, 14:35 UTC15m
2026-07-07 EJA379 - Jul 7, 20:30 UTCJul 7, 21:55 UTC1h 25m
2026-07-07 EJA379 - Jul 7, 18:15 UTCJul 7, 19:25 UTC1h 10m
2026-07-07 EJA379 TEB → CMH Jul 7, 16:00 UTCJul 7, 17:20 UTC1h 20m
2026-07-07 EJA379 - Jul 7, 12:30 UTCJul 7, 13:45 UTC1h 15m
2026-07-06 EJA379 - Jul 6, 19:55 UTCJul 6, 21:40 UTC1h 45m
2026-07-06 EJA379 - Jul 6, 17:20 UTCJul 6, 18:20 UTC1h 0m
2026-07-06 EJA379 - Jul 6, 14:35 UTCJul 6, 14:55 UTC20m
2026-07-06 EJA379 - Jul 6, 12:05 UTCJul 6, 13:15 UTC1h 10m
2026-07-05 EJA379 - Jul 5, 21:50 UTCJul 6, 00:30 UTC2h 40m
2026-07-05 EJA379 - Jul 5, 18:25 UTCJul 5, 21:15 UTC2h 50m
2026-07-05 EJA379 - Jul 5, 17:05 UTCJul 5, 17:40 UTC35m
2026-07-05 EJA379 SJC → SBP Jul 5, 15:15 UTCJul 5, 15:55 UTC40m
2026-07-03 EJA379 - Jul 3, 22:05 UTCJul 3, 22:55 UTC50m
2026-07-03 EJA379 - Jul 3, 20:20 UTCJul 3, 21:20 UTC1h 0m
2026-07-02 EJA379 - Jul 2, 23:15 UTCJul 3, 00:30 UTC1h 15m
2026-07-02 EJA379 - Jul 2, 21:10 UTCJul 2, 21:25 UTC15m
2026-07-02 EJA379 - Jul 2, 16:35 UTCJul 2, 17:00 UTC25m
2026-07-02 EJA379 LAS → SMO Jul 2, 14:40 UTCJul 2, 15:25 UTC45m
2026-07-01 EJA379 - Jul 1, 20:00 UTCJul 1, 21:20 UTC1h 20m
2026-07-01 EJA379 - Jul 1, 16:00 UTCJul 1, 18:05 UTC2h 5m
2026-07-01 EJA379 - Jul 1, 14:30 UTCJul 1, 15:20 UTC50m
2026-06-30 EJA379 - Jun 30, 16:25 UTCJun 30, 17:05 UTC40m
2026-06-30 EJA379 - Jun 30, 13:30 UTCJun 30, 14:55 UTC1h 25m
2026-06-30 EJA379 - Jun 30, 00:14 UTCJun 30, 00:55 UTC40m
2026-06-29 EJA379 - Jun 29, 22:59 UTCJun 29, 23:29 UTC30m
2026-06-29 EJA379 - Jun 29, 19:24 UTCJun 29, 20:24 UTC1h 0m
2026-06-29 EJA379 - Jun 29, 14:04 UTCJun 29, 16:59 UTC2h 55m
2026-06-28 EJA379 - Jun 28, 20:29 UTCJun 28, 21:40 UTC1h 10m
2026-06-28 EJA379 - Jun 28, 19:20 UTCJun 28, 19:59 UTC40m
2026-06-28 EJA379 - Jun 28, 17:25 UTCJun 28, 18:40 UTC1h 15m
2026-06-28 EJA379 SUA → FXE Jun 28, 15:14 UTCJun 28, 15:34 UTC20m
2026-06-28 EJA379 - Jun 28, 00:20 UTCJun 28, 03:29 UTC3h 10m
2026-06-27 EJA379 - Jun 27, 22:55 UTCJun 27, 23:45 UTC50m
2026-06-27 EJA379 - Jun 27, 02:25 UTCJun 27, 02:59 UTC35m
2026-06-26 EJA379 - Jun 26, 20:24 UTCJun 26, 21:20 UTC55m
2026-06-26 EJA379 - Jun 26, 18:49 UTCJun 26, 19:45 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 N379QS page for operator, model, and routing details .

Mode-S A456A9 frequently asked

What is Mode-S code A456A9?
A456A9 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N379QS.
Where is Mode-S A456A9 registered?
Mode-S code A456A9 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 A456A9 broadcasting right now?
Yes. Mode-S A456A9 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A456A9, octal 51053251, decimal 10,770,089.
What flights does A456A9 operate?
Mode-S A456A9 has broadcast 2 distinct callsigns, including EJA379, N379QS.