Apparatus

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sensors Mode-S transponder

AC297B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N883FD · BOEING 777-200LR · operated by FEDERAL EXPRESS CORP

Hex
AC297B
Octal
53024573
Decimal
11,282,811
Country
US
Tail
N883FD
Type
B77L
No current signal · last broadcast 3d ago
Flights observed
225
Distinct callsigns
20
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S AC297B.

Country allocation

The ICAO 24-bit address AC297B 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
FDX9128 - 10 2026-04-14
FDX90 FedEx Express 8 2026-06-03
FDX5991 FedEx Express 8 2026-05-16
FDX9127 FedEx Express 7 2026-04-13
FDX60 - 7 2026-07-01
FDX5217 - 7 2026-07-03
FDX5388 - 6 2026-07-02
FDX948 FedEx Express 5 2026-05-10
FDX6014 - 5 2026-06-23
FDX5262 - 5 2026-06-17
FDX3815 - 5 2026-06-28
FDX1875 FedEx Express 5 2026-05-15
FDX1413 - 5 2026-06-27
FDX9009 - 4 2026-06-17
FDX6092 FedEx Express 4 2026-05-29
FDX5236 - 4 2026-06-24
FDX5174 - 4 2026-07-07
FDX5155 - 4 2026-06-19
FDX9162 FedEx Express 3 2026-05-17
FDX9004 - 3 2026-06-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-10 FDX5384 - Jul 10, 05:50 UTCJul 10, 09:55 UTC4h 5m
2026-07-09 FDX5810 - Jul 9, 22:20 UTCJul 9, 22:55 UTC35m
2026-07-09 FDX5025 - Jul 9, 19:35 UTCJul 9, 20:10 UTC35m
2026-07-09 FDX5030 - Jul 9, 11:30 UTCJul 9, 14:30 UTC3h 0m
2026-07-09 FDX5030 - Jul 9, 06:45 UTCJul 9, 09:10 UTC2h 25m
2026-07-08 FDX5030 - Jul 8, 08:50 UTCJul 9, 08:45 UTC23h 55m
2026-07-08 FDX6041 - Jul 8, 06:50 UTCJul 9, 06:45 UTC23h 55m
2026-07-08 FDX6041 - Jul 8, 04:45 UTCJul 8, 08:50 UTC4h 5m
2026-07-07 FDX5809 - Jul 7, 21:20 UTCJul 7, 22:00 UTC40m
2026-07-07 FDX5809 - Jul 7, 18:50 UTCJul 7, 19:40 UTC50m
2026-07-07 FDX5174 - Jul 7, 11:00 UTCJul 7, 14:00 UTC3h 0m
2026-07-07 FDX5174 - Jul 7, 08:00 UTCJul 7, 08:25 UTC25m
2026-07-06 FDX5174 - Jul 6, 22:55 UTCJul 7, 07:20 UTC8h 25m
2026-07-06 FDX5174 - Jul 6, 06:50 UTCJul 7, 06:45 UTC23h 55m
2026-07-06 FDX5015 - Jul 6, 05:20 UTCJul 6, 23:20 UTC18h 0m
2026-07-05 FDX5077 - Jul 5, 20:50 UTCJul 5, 22:30 UTC1h 40m
2026-07-05 FDX5384 - Jul 5, 09:50 UTCJul 5, 12:30 UTC2h 40m
2026-07-04 FDX5384 CDG → DEL Jul 4, 23:30 UTCJul 5, 07:50 UTC8h 20m
2026-07-04 FDX5026 - Jul 4, 10:00 UTCJul 4, 18:00 UTC8h 0m
2026-07-03 FDX5217 - Jul 3, 19:45 UTCJul 4, 05:00 UTC9h 15m
2026-07-03 FDX5217 - Jul 3, 16:25 UTCJul 3, 17:00 UTC35m
2026-07-03 FDX5217 - Jul 3, 11:30 UTCJul 3, 14:20 UTC2h 50m
2026-07-03 FDX5217 - Jul 3, 07:25 UTCJul 3, 09:50 UTC2h 25m
2026-07-02 FDX5217 - Jul 2, 22:55 UTCJul 2, 23:15 UTC20m
2026-07-02 FDX5217 KIX → HKG Jul 2, 16:25 UTCJul 2, 19:40 UTC3h 15m
2026-07-02 FDX5388 - Jul 2, 05:20 UTCJul 2, 13:05 UTC7h 45m
2026-07-01 FDX5388 OAK → ANC Jul 1, 21:40 UTCJul 2, 01:55 UTC4h 15m
2026-07-01 FDX60 ANC → OAK Jul 1, 11:20 UTCJul 1, 15:00 UTC3h 40m
2026-07-01 FDX6030 - Jul 1, 02:20 UTCJul 1, 08:35 UTC6h 15m
2026-06-30 FDX6093 - Jun 30, 05:55 UTCJul 1, 00:20 UTC18h 25m
2026-06-30 FDX5237 - Jun 30, 00:35 UTCJun 30, 01:19 UTC45m
2026-06-29 FDX5184 - Jun 29, 01:10 UTCJun 29, 11:20 UTC10h 10m
2026-06-28 FDX3815 - Jun 28, 06:20 UTCJun 28, 11:04 UTC4h 45m
2026-06-28 FDX3815 HNL → OAK Jun 28, 06:15 UTCJun 28, 11:03 UTC4h 48m
2026-06-27 FDX1413 - Jun 27, 17:25 UTCJun 27, 17:49 UTC25m
2026-06-27 FDX1413 - Jun 27, 09:44 UTCJun 27, 13:20 UTC3h 35m
2026-06-27 FDX1315 - Jun 27, 01:54 UTCJun 27, 03:49 UTC1h 55m
2026-06-27 FDX1315 ELP → MEM Jun 27, 01:52 UTCJun 27, 03:51 UTC1h 59m
2026-06-26 FDX1499 - Jun 26, 09:59 UTCJun 26, 11:55 UTC1h 55m
2026-06-25 FDX3 - Jun 25, 18:45 UTCJun 26, 04:20 UTC9h 35m
2026-06-25 FDX3 - Jun 25, 16:14 UTCJun 25, 16:55 UTC40m
2026-06-25 FDX6174 - Jun 25, 10:59 UTCJun 25, 13:55 UTC2h 55m
2026-06-24 FDX6174 - Jun 24, 16:19 UTCJun 25, 08:50 UTC16h 30m
2026-06-24 FDX5236 ANC → ICN Jun 24, 05:34 UTCJun 24, 14:04 UTC8h 30m
2026-06-23 FDX5236 IND → ANC Jun 23, 20:10 UTCJun 24, 02:20 UTC6h 10m
2026-06-23 FDX6014 ANC → IND Jun 23, 10:45 UTCJun 23, 16:15 UTC5h 30m
2026-06-23 FDX6014 - Jun 23, 10:49 UTCJun 23, 16:20 UTC5h 30m
2026-06-23 FDX6014 - Jun 23, 00:04 UTCJun 23, 07:35 UTC7h 30m
2026-06-22 FDX6229 ANC → CAN Jun 22, 09:04 UTCJun 22, 19:50 UTC10h 46m
2026-06-22 FDX6229 - Jun 22, 09:04 UTCJun 22, 09:49 UTC45m

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 N883FD page for operator, model, and routing details .

Mode-S AC297B frequently asked

What is Mode-S code AC297B?
AC297B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N883FD.
Where is Mode-S AC297B registered?
Mode-S code AC297B 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 AC297B broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC297B, octal 53024573, decimal 11,282,811.
What flights does AC297B operate?
Mode-S AC297B has broadcast 20 distinct callsigns, including FDX9128, FDX90, FDX5991, FDX9127, FDX60.