Apparatus

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sensors Mode-S transponder

A075A3

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N129FE · BOEING 767-300 · operated by FEDERAL EXPRESS CORP

Hex
A075A3
Octal
50072643
Decimal
10,515,875
Country
US
Tail
N129FE
Type
B763
Broadcasting now · callsign FDX114 · 7,150 ft
Flights observed
246
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 11:45 UTC

Current position

A075A3 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A075A3 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
FDX5501 FedEx Express 29 2026-07-23
FDX205 FedEx Express 27 2026-07-25
FDX204 FedEx Express 26 2026-07-26
FDX5502 FedEx Express 14 2026-07-23
FDX5047 - 10 2026-07-10
FDX5202 FedEx Express 9 2026-05-29
FDX5201 FedEx Express 9 2026-05-28
FDX5046 - 9 2026-07-09
FDX5048 - 6 2026-07-07
FDX6238 FedEx Express 5 2026-05-26
FDX5233 FedEx Express 5 2026-04-30
FDX5168 FedEx Express 5 2026-04-30
FDX114 - 5 2026-07-17
FDX5238 - 4 2026-07-09
FDX5050 FedEx Express 4 2026-06-04
FDX5041 - 4 2026-07-09
FDX36 - 4 2026-07-07
FDX1461 - 4 2026-06-26
FDX5812 FedEx Express 3 2026-05-23
FDX5811 FedEx Express 3 2026-05-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 FDX204 MDE → MIA Jul 26, 08:55 UTCJul 26, 11:45 UTC2h 50m
2026-07-26 FDX204 MDE → MIA Jul 26, 06:50 UTCJul 26, 07:05 UTC15m
2026-07-25 FDX205 MIA → BOG Jul 25, 16:30 UTCJul 25, 19:35 UTC3h 5m
2026-07-25 FDX204 MDE → MIA Jul 25, 08:45 UTCJul 25, 11:35 UTC2h 50m
2026-07-25 FDX204 MDE → MIA Jul 25, 06:50 UTCJul 25, 07:00 UTC10m
2026-07-24 FDX205 MIA → BOG Jul 24, 17:55 UTCJul 24, 21:00 UTC3h 5m
2026-07-24 FDX204 MDE → MIA Jul 24, 08:50 UTCJul 24, 11:35 UTC2h 45m
2026-07-23 FDX205 MIA → BOG Jul 23, 17:40 UTCJul 23, 20:40 UTC3h 0m
2026-07-23 FDX5502 UIO → MIA Jul 23, 08:20 UTCJul 23, 15:20 UTC7h 0m
2026-07-23 FDX5501 MIA → EZE Jul 23, 01:45 UTCJul 23, 02:25 UTC40m
2026-07-22 FDX5501 MIA → EZE Jul 22, 14:45 UTCJul 22, 23:25 UTC8h 40m
2026-07-21 FDX205 MIA → BOG Jul 21, 17:45 UTCJul 22, 11:30 UTC17h 45m
2026-07-21 FDX5502 - Jul 21, 14:05 UTCJul 21, 15:55 UTC1h 50m
2026-07-21 FDX5502 UIO → MIA Jul 21, 12:23 UTCJul 21, 15:55 UTC3h 32m
2026-07-21 FDX5501 MIA → EZE Jul 21, 02:15 UTCJul 21, 02:50 UTC35m
2026-07-20 FDX5501 - Jul 20, 14:55 UTCJul 20, 23:15 UTC8h 20m
2026-07-20 FDX5501 MIA → EZE Jul 20, 14:54 UTCJul 20, 23:10 UTC8h 16m
2026-07-19 FDX9799 - Jul 19, 10:20 UTCJul 19, 18:25 UTC8h 5m
2026-07-18 FDX5502 - Jul 18, 09:05 UTCJul 18, 16:00 UTC6h 55m
2026-07-18 FDX5501 - Jul 18, 04:10 UTCJul 18, 04:20 UTC10m
2026-07-18 FDX5501 - Jul 18, 02:25 UTCJul 18, 03:05 UTC41m
2026-07-17 FDX5501 TMB → EZE Jul 17, 14:55 UTCJul 17, 23:20 UTC8h 25m
2026-07-17 FDX114 - Jul 17, 09:50 UTCJul 17, 11:45 UTC1h 55m
2026-07-17 FDX114 MEM → MIA Jul 17, 09:44 UTCJul 17, 11:44 UTC2h 0m
2026-07-17 FDX115 MIA → MEM Jul 17, 02:54 UTCJul 17, 04:49 UTC1h 55m
2026-07-16 FDX5502 - Jul 16, 08:30 UTCJul 16, 15:25 UTC6h 55m
2026-07-16 FDX5502 - Jul 16, 05:20 UTCJul 16, 05:30 UTC10m
2026-07-16 FDX5501 - Jul 16, 01:40 UTCJul 16, 02:10 UTC30m
2026-07-15 FDX5501 - Jul 15, 14:45 UTCJul 15, 23:05 UTC8h 20m
2026-07-15 FDX204 - Jul 15, 10:45 UTCJul 15, 11:25 UTC40m
2026-07-14 FDX205 - Jul 14, 20:25 UTCJul 14, 20:40 UTC15m
2026-07-14 FDX205 - Jul 14, 17:40 UTCJul 14, 18:00 UTC20m
2026-07-14 FDX5502 - Jul 14, 13:15 UTCJul 14, 15:15 UTC2h 0m
2026-07-14 FDX5501 - Jul 14, 01:40 UTCJul 14, 02:10 UTC30m
2026-07-13 FDX5501 - Jul 13, 15:10 UTCJul 13, 23:30 UTC8h 20m
2026-07-13 FDX5501 MIA → EZE Jul 13, 15:06 UTCJul 13, 23:28 UTC8h 22m
2026-07-12 FDX114 - Jul 12, 22:50 UTCJul 13, 01:01 UTC2h 10m
2026-07-11 FDX66 - Jul 11, 10:00 UTCJul 12, 03:20 UTC17h 20m
2026-07-10 FDX58 - Jul 10, 20:15 UTCJul 11, 05:20 UTC9h 5m
2026-07-10 FDX5047 - Jul 10, 14:40 UTCJul 10, 17:00 UTC2h 20m
2026-07-10 FDX5047 - Jul 10, 01:50 UTCJul 10, 09:25 UTC7h 35m
2026-07-09 FDX5238 MXP → CDG Jul 9, 21:45 UTCJul 9, 22:45 UTC1h 0m
2026-07-09 FDX5041 - Jul 9, 18:45 UTCJul 9, 19:45 UTC1h 0m
2026-07-09 FDX5046 EWR → CDG Jul 9, 08:30 UTCJul 9, 15:20 UTC6h 50m
2026-07-08 FDX5046 - Jul 8, 22:40 UTCJul 9, 00:45 UTC2h 5m
2026-07-08 FDX5047 - Jul 8, 14:45 UTCJul 8, 16:50 UTC2h 5m
2026-07-08 FDX5047 CDG → EWR Jul 8, 14:45 UTCJul 8, 16:50 UTC2h 5m
2026-07-08 FDX5047 - Jul 8, 02:15 UTCJul 8, 09:45 UTC7h 30m
2026-07-07 FDX36 - Jul 7, 20:40 UTCJul 7, 21:30 UTC50m
2026-07-07 FDX5034 - Jul 7, 17:55 UTCJul 7, 18:50 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 N129FE page for operator, model, and routing details .

Mode-S A075A3 frequently asked

What is Mode-S code A075A3?
A075A3 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N129FE.
Where is Mode-S A075A3 registered?
Mode-S code A075A3 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 A075A3 broadcasting right now?
Yes. Mode-S A075A3 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A075A3, octal 50072643, decimal 10,515,875.
What flights does A075A3 operate?
Mode-S A075A3 has broadcast 20 distinct callsigns, including FDX5501, FDX205, FDX204, FDX5502, FDX5047.