Apparatus

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sensors Mode-S transponder

A379DD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N323ED · operated by AMERICAN AIRLINES INC

Hex
A379DD
Octal
50674735
Decimal
10,713,565
Country
US
Tail
N323ED
Type
E75L
No current signal · last broadcast 16m ago
Flights observed
652
Distinct callsigns
20
Country
US
Last broadcast
16m ago

Last known position

Most recent position reported by Mode-S A379DD.

Country allocation

The ICAO 24-bit address A379DD 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 20 distinct

Callsign Airline Flights Last seen
ENY3521 - 8 2026-06-23
ENY4024 - 7 2026-06-17
ENY3947 Envoy Air 7 2026-05-12
ENY3803 Envoy Air 7 2026-06-26
ENY3560 - 7 2026-07-05
ENY3504 - 7 2026-06-23
ENY4219 Envoy Air 6 2026-05-02
ENY4125 - 6 2026-06-19
ENY3793 - 6 2026-07-14
ENY4291 - 5 2026-06-19
ENY4256 Envoy Air 5 2026-05-27
ENY4208 - 5 2026-06-23
ENY4204 - 5 2026-07-13
ENY4176 Envoy Air 5 2026-05-15
ENY4019 - 5 2026-06-17
ENY3933 - 5 2026-07-15
ENY3853 Envoy Air 5 2026-05-13
ENY3844 - 5 2026-07-05
ENY3843 - 5 2026-06-13
ENY3838 Envoy Air 5 2026-06-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 ENY3933 - Jul 15, 02:55 UTCJul 15, 03:15 UTC20m
2026-07-15 ENY3565 BFL → PHX Jul 15, 00:40 UTCJul 15, 01:50 UTC1h 10m
2026-07-14 ENY3565 PHX → BFL Jul 14, 22:50 UTCJul 14, 23:50 UTC1h 0m
2026-07-14 ENY3793 SEA → PHX Jul 14, 18:45 UTCJul 14, 21:30 UTC2h 45m
2026-07-14 ENY3793 PHX → SEA Jul 14, 14:40 UTCJul 14, 17:05 UTC2h 25m
2026-07-13 ENY3565 BFL → PHX Jul 13, 23:55 UTCJul 14, 01:10 UTC1h 15m
2026-07-13 ENY3565 PHX → BFL Jul 13, 22:00 UTCJul 13, 23:00 UTC1h 0m
2026-07-13 ENY3793 SEA → PHX Jul 13, 18:20 UTCJul 13, 20:50 UTC2h 30m
2026-07-13 ENY3793 - Jul 13, 14:35 UTCJul 13, 17:00 UTC2h 25m
2026-07-13 ENY3907 - Jul 13, 11:15 UTCJul 13, 13:10 UTC1h 55m
2026-07-13 ENY3907 ICT → PHX Jul 13, 11:13 UTCJul 13, 13:11 UTC1h 58m
2026-07-13 ENY3933 PHX → ICT Jul 13, 02:30 UTCJul 13, 04:37 UTC2h 7m
2026-07-13 ENY3933 - Jul 13, 02:30 UTCJul 13, 04:35 UTC2h 5m
2026-07-13 ENY4204 CLD → PHX Jul 13, 00:15 UTCJul 13, 01:10 UTC55m
2026-07-13 ENY4204 CLD → PHX Jul 13, 00:12 UTCJul 13, 01:17 UTC1h 5m
2026-07-12 ENY4204 PHX → CLD Jul 12, 22:25 UTCJul 12, 23:10 UTC45m
2026-07-12 ENY3793 SEA → PHX Jul 12, 18:15 UTCJul 12, 20:50 UTC2h 35m
2026-07-12 ENY3793 PHX → SEA Jul 12, 14:25 UTCJul 12, 16:50 UTC2h 25m
2026-07-12 ENY3497 - Jul 12, 11:15 UTCJul 12, 13:20 UTC2h 5m
2026-07-12 ENY3494 - Jul 12, 02:30 UTCJul 12, 04:35 UTC2h 5m
2026-07-11 ENY3440 SEA → PHX Jul 11, 22:25 UTCJul 12, 00:55 UTC2h 30m
2026-07-11 ENY3440 PHX → SEA Jul 11, 18:35 UTCJul 11, 21:00 UTC2h 25m
2026-07-11 ENY3992 BUR → PHX Jul 11, 16:25 UTCJul 11, 17:30 UTC1h 5m
2026-07-11 ENY3992 BUR → PHX Jul 11, 16:23 UTCJul 11, 17:30 UTC1h 7m
2026-07-11 ENY3992 PHX → BUR Jul 11, 14:25 UTCJul 11, 15:25 UTC1h 0m
2026-07-11 ENY3882 - Jul 11, 12:30 UTCJul 11, 13:00 UTC30m
2026-07-11 ENY3874 - Jul 11, 05:01 UTCJul 11, 05:35 UTC35m
2026-07-11 ENY3874 PHX → ELP Jul 11, 05:00 UTCJul 11, 05:55 UTC55m
2026-07-11 ENY4053 - Jul 11, 02:25 UTCJul 11, 03:45 UTC1h 20m
2026-07-10 ENY4053 - Jul 10, 23:55 UTCJul 11, 01:15 UTC1h 20m
2026-07-10 ENY3892 PHX → PHX Jul 10, 17:45 UTCJul 10, 22:15 UTC4h 30m
2026-07-10 ENY3792 SEA → PHX Jul 10, 13:30 UTCJul 10, 15:50 UTC2h 20m
2026-07-10 ENY4307 PHX → SEA Jul 10, 01:15 UTCJul 10, 03:55 UTC2h 40m
2026-07-09 ENY4114 EUG → PHX Jul 9, 20:54 UTCJul 9, 22:55 UTC2h 1m
2026-07-09 ENY4114 EUG → PHX Jul 9, 20:55 UTCJul 9, 23:00 UTC2h 5m
2026-07-09 ENY4114 PHX → EUG Jul 9, 17:50 UTCJul 9, 19:55 UTC2h 5m
2026-07-09 ENY3335 - Jul 9, 13:35 UTCJul 9, 16:00 UTC2h 25m
2026-07-09 ENY3362 - Jul 9, 03:20 UTCJul 9, 04:00 UTC40m
2026-07-09 ENY3362 DFW → LIT Jul 9, 03:15 UTCJul 9, 04:05 UTC50m
2026-07-09 ENY3631 - Jul 9, 01:00 UTCJul 9, 01:55 UTC55m
2026-07-08 ENY3627 DCA → LIT Jul 8, 21:45 UTCJul 8, 23:35 UTC1h 50m
2026-07-08 ENY3796 MSP → DCA Jul 8, 18:30 UTCJul 8, 20:35 UTC2h 5m
2026-07-08 ENY3796 MSP → DCA Jul 8, 18:28 UTCJul 8, 20:34 UTC2h 6m
2026-07-08 ENY3796 DCA → MSP Jul 8, 14:50 UTCJul 8, 16:55 UTC2h 5m
2026-07-08 ENY3710 - Jul 8, 11:40 UTCJul 8, 13:45 UTC2h 5m
2026-07-08 ENY3685 DCA → DSM Jul 8, 01:50 UTCJul 8, 03:50 UTC2h 0m
2026-07-08 ENY3750 - Jul 8, 00:10 UTCJul 8, 01:00 UTC50m
2026-07-07 ENY3750 - Jul 7, 21:15 UTCJul 7, 22:15 UTC1h 0m
2026-07-07 ENY3462 - Jul 7, 17:55 UTCJul 7, 19:40 UTC1h 45m
2026-07-07 ENY3462 DCA → CID Jul 7, 14:55 UTCJul 7, 16:45 UTC1h 50m

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 N323ED page for operator, model, and routing details .

Mode-S A379DD frequently asked

What is Mode-S code A379DD?
A379DD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N323ED.
Where is Mode-S A379DD registered?
Mode-S code A379DD 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 A379DD broadcasting right now?
No active broadcast right now. Last signal was 16m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A379DD, octal 50674735, decimal 10,713,565.
What flights does A379DD operate?
Mode-S A379DD has broadcast 20 distinct callsigns, including ENY3521, ENY4024, ENY3947, ENY3803, ENY3560.