Apparatus

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sensors Mode-S transponder

A2BD48

ICAO 24-bit transponder address · allocated to United States

Hex
A2BD48
Octal
50536510
Decimal
10,665,288
Country
US
No current signal · last broadcast Jul 24, 04:15 UTC
Flights observed
0
Distinct callsigns
0
Country
US
Last broadcast
Jul 24, 04:15 UTC

Last known position

Most recent position reported by Mode-S A2BD48.

Country allocation

The ICAO 24-bit address A2BD48 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.

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 FDX1610 BOS → IND Jul 24, 02:15 UTCJul 24, 04:15 UTC2h 0m
2026-07-23 FDX3714 IND → BOS Jul 23, 21:25 UTCJul 23, 23:15 UTC1h 50m
2026-07-23 FDX3605 BOS → IND Jul 23, 11:30 UTCJul 23, 13:45 UTC2h 15m
2026-07-23 FDX1444 MEM → MIA Jul 23, 07:50 UTCJul 23, 09:40 UTC1h 50m
2026-07-23 FDX2345 SDF → MEM Jul 23, 02:55 UTCJul 23, 03:50 UTC55m
2026-07-22 FDX1203 PHX → MEM Jul 22, 01:35 UTCJul 22, 03:10 UTC1h 35m
2026-07-21 FDX1722 - Jul 21, 09:25 UTCJul 21, 10:15 UTC50m
2026-07-21 FDX1612 JFK → IND Jul 21, 03:25 UTCJul 21, 05:00 UTC1h 35m
2026-07-20 FDX764 MEM → JFK Jul 20, 01:05 UTCJul 20, 01:35 UTC30m
2026-07-19 FDX764 MEM → JFK Jul 19, 21:35 UTCJul 19, 23:50 UTC2h 15m
2026-07-19 FDX241 YYC → MEM Jul 19, 12:45 UTCJul 19, 15:55 UTC3h 10m
2026-07-18 FDX140 MEM → YYC Jul 18, 09:05 UTCJul 18, 12:25 UTC3h 20m
2026-07-17 FDX1213 BUR → MEM Jul 17, 01:59 UTCJul 17, 05:20 UTC3h 20m
2026-07-16 FDX1417 - Jul 16, 08:15 UTCJul 16, 11:25 UTC3h 10m
2026-07-16 FDX1301 - Jul 16, 01:50 UTCJul 16, 05:20 UTC3h 30m
2026-07-15 FDX1545 - Jul 15, 08:20 UTCJul 15, 11:55 UTC3h 35m
2026-07-15 FDX1205 - Jul 15, 02:45 UTCJul 15, 03:50 UTC1h 5m
2026-07-15 FDX1205 ORD → MEM Jul 15, 02:42 UTCJul 15, 03:50 UTC1h 8m
2026-07-14 FDX1447 - Jul 14, 08:30 UTCJul 14, 09:45 UTC1h 15m
2026-07-14 FDX1208 GEG → MEM Jul 14, 01:45 UTCJul 14, 05:05 UTC3h 20m
2026-07-11 FDX1476 - Jul 11, 09:00 UTCJul 11, 12:30 UTC3h 30m
2026-07-11 FDX1213 - Jul 11, 02:15 UTCJul 11, 05:35 UTC3h 20m
2026-07-10 FDX1417 - Jul 10, 08:50 UTCJul 10, 12:05 UTC3h 15m
2026-07-10 FDX1385 - Jul 10, 03:50 UTCJul 10, 04:55 UTC1h 5m
2026-07-09 FDX1585 - Jul 9, 09:15 UTCJul 9, 10:15 UTC1h 0m
2026-07-09 FDX1585 MEM → IAH Jul 9, 09:10 UTCJul 9, 10:15 UTC1h 5m
2026-07-09 FDX1201 DFW → MEM Jul 9, 02:10 UTCJul 9, 03:10 UTC1h 0m
2026-07-09 FDX1201 DFW → MEM Jul 9, 02:06 UTCJul 9, 03:10 UTC1h 4m
2026-07-08 FDX1735 IND → DFW Jul 8, 07:50 UTCJul 8, 09:27 UTC1h 37m
2026-07-08 FDX1735 IND → DFW Jul 8, 07:50 UTCJul 8, 09:30 UTC1h 40m
2026-07-08 FDX1608 STL → IND Jul 8, 04:00 UTCJul 8, 04:50 UTC50m
2026-07-07 FDX1523 - Jul 7, 10:00 UTCJul 7, 10:40 UTC40m
2026-07-07 FDX1273 - Jul 7, 02:20 UTCJul 7, 04:55 UTC2h 35m
2026-07-05 FDX733 - Jul 5, 22:15 UTCJul 6, 00:35 UTC2h 20m
2026-07-05 FDX733 MEM → BOS Jul 5, 22:10 UTCJul 6, 00:37 UTC2h 27m
2026-07-04 FDX606 - Jul 4, 12:05 UTCJul 4, 13:10 UTC1h 5m
2026-07-03 FDX1425 - Jul 3, 08:15 UTCJul 3, 09:20 UTC1h 5m
2026-07-02 FDX644 - Jul 2, 12:15 UTCJul 2, 14:15 UTC2h 0m
2026-07-02 FDX1431 - Jul 2, 08:10 UTCJul 2, 10:15 UTC2h 5m
2026-07-02 FDX1346 - Jul 2, 02:05 UTCJul 2, 03:20 UTC1h 15m
2026-07-01 FDX1552 - Jul 1, 09:05 UTCJul 1, 10:30 UTC1h 25m
2026-07-01 FDX139 - Jul 1, 01:25 UTCJul 1, 05:20 UTC3h 55m
2026-06-30 FDX142 - Jun 30, 10:15 UTCJun 30, 14:10 UTC3h 55m
2026-06-30 FDX1346 - Jun 30, 02:25 UTCJun 30, 03:45 UTC1h 20m
2026-06-26 FDX1552 - Jun 26, 09:10 UTCJun 26, 10:39 UTC1h 30m
2026-06-26 FDX1292 - Jun 26, 03:24 UTCJun 26, 05:39 UTC2h 15m
2026-06-25 FDX1483 - Jun 25, 08:55 UTCJun 25, 10:55 UTC2h 0m
2026-06-25 FDX1222 - Jun 25, 02:19 UTCJun 25, 05:25 UTC3h 5m
2026-06-24 FDX1754 IND → SAN Jun 24, 08:30 UTCJun 24, 12:14 UTC3h 45m
2026-06-24 FDX2629 GSO → IND Jun 24, 02:00 UTCJun 24, 03:50 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.

Mode-S A2BD48 frequently asked

What is Mode-S code A2BD48?
A2BD48 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A2BD48 registered?
Mode-S code A2BD48 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 A2BD48 broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 04:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2BD48, octal 50536510, decimal 10,665,288.