Apparatus

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sensors Mode-S transponder

A9B6A0

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N725FD · AIRBUS A-300-200 · operated by FEDERAL EXPRESS CORP

Hex
A9B6A0
Octal
52333240
Decimal
11,122,336
Country
US
Tail
N725FD
Type
A30B
Broadcasting now · callsign FDX1217 · 33,975 ft
Flights observed
141
Distinct callsigns
20
Country
US
Last broadcast
Jul 25, 11:45 UTC

Current position

A9B6A0 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A9B6A0 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
FDX1366 - 9 2026-06-13
FDX1571 FedEx Express 7 2026-07-25
FDX1564 FedEx Express 7 2026-06-10
FDX1709 FedEx Express 6 2026-06-12
FDX1303 FedEx Express 6 2026-07-24
FDX1526 - 5 2026-06-16
FDX1330 FedEx Express 5 2026-07-25
FDX1670 FedEx Express 4 2026-06-11
FDX1479 - 4 2026-06-26
FDX1350 - 4 2026-06-17
FDX1295 FedEx Express 4 2026-06-10
FDX1217 FedEx Express 4 2026-07-21
FDX2237 FedEx Express 3 2026-06-26
FDX1482 - 3 2026-07-17
FDX1478 FedEx Express 3 2026-07-24
FDX1473 FedEx Express 3 2026-06-05
FDX1381 - 3 2026-07-03
FDX1286 FedEx Express 3 2026-07-23
FDX881 - 2 2026-07-04
FDX2679 FedEx Express 2 2026-06-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 FDX1571 MEM → MDT Jul 25, 11:05 UTCJul 25, 11:45 UTC40m
2026-07-25 FDX1571 MEM → MDT Jul 25, 08:40 UTCJul 25, 10:00 UTC1h 20m
2026-07-25 FDX1330 MSN → MEM Jul 25, 04:05 UTCJul 25, 05:25 UTC1h 20m
2026-07-25 FDX1330 MSN → MEM Jul 25, 02:15 UTCJul 25, 02:35 UTC20m
2026-07-24 FDX1478 MEM → MSN Jul 24, 09:05 UTCJul 24, 10:20 UTC1h 15m
2026-07-24 FDX1303 MDT → MEM Jul 24, 02:20 UTCJul 24, 04:15 UTC1h 55m
2026-07-23 FDX1571 MEM → MDT Jul 23, 09:05 UTCJul 23, 10:40 UTC1h 35m
2026-07-23 FDX1286 LCK → MEM Jul 23, 02:55 UTCJul 23, 04:35 UTC1h 40m
2026-07-22 FDX1459 - Jul 22, 11:10 UTCJul 22, 11:45 UTC35m
2026-07-22 FDX121 YYC → MEM Jul 22, 00:20 UTCJul 22, 03:25 UTC3h 5m
2026-07-21 FDX120 MEM → YEG Jul 21, 10:10 UTCJul 21, 13:50 UTC3h 40m
2026-07-21 FDX1217 BWI → MEM Jul 21, 02:35 UTCJul 21, 04:25 UTC1h 50m
2026-07-21 FDX1217 BWI → MEM Jul 21, 02:30 UTCJul 21, 04:26 UTC1h 56m
2026-07-17 FDX1482 - Jul 17, 09:04 UTCJul 17, 10:44 UTC1h 40m
2026-07-17 FDX1303 - Jul 17, 02:10 UTCJul 17, 03:59 UTC1h 50m
2026-07-16 FDX1571 - Jul 16, 08:45 UTCJul 16, 10:29 UTC1h 45m
2026-07-16 FDX2266 - Jul 16, 01:05 UTCJul 16, 02:40 UTC1h 35m
2026-07-15 FDX1465 - Jul 15, 08:35 UTCJul 15, 10:10 UTC1h 35m
2026-07-15 FDX1218 - Jul 15, 02:45 UTCJul 15, 04:05 UTC1h 20m
2026-07-14 FDX1418 - Jul 14, 09:15 UTCJul 14, 10:40 UTC1h 25m
2026-07-14 FDX1245 - Jul 14, 03:15 UTCJul 14, 04:25 UTC1h 10m
2026-07-10 FDX1445 - Jul 10, 09:15 UTCJul 10, 10:20 UTC1h 5m
2026-07-09 FDX1334 - Jul 9, 03:30 UTCJul 9, 05:35 UTC2h 5m
2026-07-09 FDX1334 ABQ → MEM Jul 9, 03:27 UTCJul 9, 05:26 UTC1h 59m
2026-07-08 FDX1583 - Jul 8, 09:40 UTCJul 8, 11:35 UTC1h 55m
2026-07-08 FDX1322 - Jul 8, 03:10 UTCJul 8, 04:30 UTC1h 20m
2026-07-07 FDX1536 - Jul 7, 08:40 UTCJul 7, 09:55 UTC1h 15m
2026-07-07 FDX1322 - Jul 7, 03:10 UTCJul 7, 04:30 UTC1h 20m
2026-07-05 FDX313 - Jul 5, 21:50 UTCJul 5, 23:10 UTC1h 20m
2026-07-04 FDX881 OAK → MEM Jul 4, 12:19 UTCJul 4, 15:47 UTC3h 28m
2026-07-04 FDX881 - Jul 4, 12:20 UTCJul 4, 15:50 UTC3h 30m
2026-07-03 FDX1381 DEN → OAK Jul 3, 04:58 UTCJul 3, 07:09 UTC2h 11m
2026-07-03 FDX1381 DEN → OAK Jul 3, 05:00 UTCJul 3, 07:10 UTC2h 10m
2026-07-03 FDX1381 OAK → DEN Jul 3, 00:45 UTCJul 3, 02:50 UTC2h 5m
2026-07-02 FDX1841 - Jul 2, 03:20 UTCJul 2, 06:30 UTC3h 10m
2026-07-02 FDX1841 - Jul 2, 00:45 UTCJul 2, 01:55 UTC1h 10m
2026-07-01 FDX1286 - Jul 1, 05:45 UTCJul 1, 07:05 UTC1h 20m
2026-07-01 FDX1286 LBB → MEM Jul 1, 05:34 UTCJul 1, 07:05 UTC1h 31m
2026-06-30 FDX1459 - Jun 30, 09:50 UTCJun 30, 11:15 UTC1h 25m
2026-06-30 FDX1257 - Jun 30, 03:15 UTCJun 30, 03:50 UTC35m
2026-06-26 FDX1479 - Jun 26, 09:39 UTCJun 26, 10:20 UTC40m
2026-06-26 FDX1479 MEM → SHV Jun 26, 09:36 UTCJun 26, 10:18 UTC42m
2026-06-26 FDX2237 LCK → MEM Jun 26, 03:34 UTCJun 26, 04:50 UTC1h 15m
2026-06-25 FDX1486 - Jun 25, 09:20 UTCJun 25, 10:30 UTC1h 10m
2026-06-25 FDX1303 - Jun 25, 02:10 UTCJun 25, 04:04 UTC1h 55m
2026-06-24 FDX1571 - Jun 24, 09:15 UTCJun 24, 10:49 UTC1h 35m
2026-06-24 FDX1257 - Jun 24, 04:15 UTCJun 24, 04:55 UTC40m
2026-06-23 FDX1479 - Jun 23, 12:40 UTCJun 23, 13:05 UTC25m
2026-06-23 FDX1479 - Jun 23, 09:34 UTCJun 23, 10:59 UTC1h 25m
2026-06-23 FDX2237 LCK → MEM Jun 23, 02:29 UTCJun 23, 03:45 UTC1h 15m

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 N725FD page for operator, model, and routing details .

Mode-S A9B6A0 frequently asked

What is Mode-S code A9B6A0?
A9B6A0 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N725FD.
Where is Mode-S A9B6A0 registered?
Mode-S code A9B6A0 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 A9B6A0 broadcasting right now?
Yes. Mode-S A9B6A0 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9B6A0, octal 52333240, decimal 11,122,336.
What flights does A9B6A0 operate?
Mode-S A9B6A0 has broadcast 20 distinct callsigns, including FDX1366, FDX1571, FDX1564, FDX1709, FDX1303.