Apparatus

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sensors Mode-S transponder

ACB89B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N919FD · BOEING 757-200 · operated by FEDERAL EXPRESS CORP

Hex
ACB89B
Octal
53134233
Decimal
11,319,451
Country
US
Tail
N919FD
Type
B752
No current signal · last broadcast Jul 25, 00:30 UTC
Flights observed
218
Distinct callsigns
9
Country
US
Last broadcast
Jul 25, 00:30 UTC

Last known position

Most recent position reported by Mode-S ACB89B.

Country allocation

The ICAO 24-bit address ACB89B 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 9 distinct

Callsign Airline Flights Last seen
FDX1005 - 46 2026-07-23
FDX1007 FedEx Express 45 2026-07-23
FDX1008 FedEx Express 41 2026-07-23
FDX1006 - 41 2026-07-23
FDX1004 FedEx Express 12 2026-07-25
FDX1003 FedEx Express 11 2026-07-24
FDX1001 - 10 2026-07-24
FDX1002 FedEx Express 9 2026-07-24
FDX9075 FedEx Express 3 2026-04-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 FDX1004 DFW → EWR Jul 25, 00:10 UTCJul 25, 00:30 UTC20m
2026-07-24 FDX1003 HNL → OGG Jul 24, 21:40 UTCJul 24, 21:55 UTC15m
2026-07-24 FDX1002 OGG → HNL Jul 24, 16:40 UTCJul 24, 17:00 UTC20m
2026-07-24 FDX1001 - Jul 24, 14:30 UTCJul 24, 14:50 UTC20m
2026-07-23 FDX1008 ITO → HNL Jul 23, 23:45 UTCJul 24, 00:10 UTC25m
2026-07-23 FDX1007 ATL → EWR Jul 23, 21:50 UTCJul 23, 22:10 UTC20m
2026-07-23 FDX1006 - Jul 23, 16:00 UTCJul 23, 16:30 UTC30m
2026-07-23 FDX1005 - Jul 23, 13:45 UTCJul 23, 14:05 UTC20m
2026-07-21 FDX1008 ITO → HNL Jul 21, 23:35 UTCJul 22, 00:05 UTC30m
2026-07-21 FDX1007 ATL → EWR Jul 21, 21:30 UTCJul 21, 21:50 UTC20m
2026-07-21 FDX1006 - Jul 21, 15:50 UTCJul 21, 16:15 UTC25m
2026-07-21 FDX1005 - Jul 21, 13:35 UTCJul 21, 13:55 UTC20m
2026-07-21 FDX1005 HNL → ITO Jul 21, 13:33 UTCJul 21, 14:10 UTC37m
2026-07-17 FDX1008 - Jul 17, 23:50 UTCJul 18, 00:19 UTC30m
2026-07-17 FDX1007 ATL → EWR Jul 17, 21:10 UTCJul 17, 21:30 UTC20m
2026-07-17 FDX1006 - Jul 17, 15:55 UTCJul 17, 16:24 UTC30m
2026-07-17 FDX1005 - Jul 17, 13:45 UTCJul 17, 14:04 UTC20m
2026-07-17 FDX1005 HNL → ITO Jul 17, 13:40 UTCJul 17, 14:20 UTC40m
2026-07-15 FDX1008 ITO → HNL Jul 15, 23:45 UTCJul 16, 00:28 UTC43m
2026-07-15 FDX1007 - Jul 15, 21:30 UTCJul 15, 21:50 UTC20m
2026-07-15 FDX1006 - Jul 15, 16:00 UTCJul 15, 16:30 UTC30m
2026-07-15 FDX1005 - Jul 15, 13:35 UTCJul 15, 13:55 UTC20m
2026-07-13 FDX1008 - Jul 13, 23:45 UTCJul 14, 00:15 UTC30m
2026-07-13 FDX1007 - Jul 13, 21:05 UTCJul 13, 21:25 UTC20m
2026-07-13 FDX1006 - Jul 13, 16:50 UTCJul 13, 17:15 UTC25m
2026-07-13 FDX1005 - Jul 13, 14:20 UTCJul 13, 14:40 UTC20m
2026-07-09 FDX1008 - Jul 9, 23:35 UTCJul 10, 00:05 UTC30m
2026-07-09 FDX1007 - Jul 9, 21:05 UTCJul 9, 21:25 UTC20m
2026-07-09 FDX1006 - Jul 9, 15:50 UTCJul 9, 16:15 UTC25m
2026-07-09 FDX1005 - Jul 9, 13:35 UTCJul 9, 13:55 UTC20m
2026-07-07 FDX1008 - Jul 7, 23:30 UTCJul 8, 00:00 UTC30m
2026-07-07 FDX1007 - Jul 7, 21:40 UTCJul 7, 22:00 UTC20m
2026-07-07 FDX1007 HNL → ITO Jul 7, 21:35 UTCJul 7, 22:10 UTC35m
2026-07-07 FDX1006 - Jul 7, 16:40 UTCJul 7, 17:10 UTC30m
2026-07-07 FDX1006 ITO → HNL Jul 7, 16:29 UTCJul 7, 17:07 UTC38m
2026-07-07 FDX1005 HNL → ITO Jul 7, 14:31 UTCJul 7, 15:10 UTC39m
2026-07-06 FDX1004 - Jul 6, 23:40 UTCJul 7, 00:00 UTC20m
2026-07-06 FDX1004 OGG → HNL Jul 6, 23:35 UTCJul 7, 00:03 UTC28m
2026-07-06 FDX1003 - Jul 6, 21:45 UTCJul 6, 22:05 UTC20m
2026-07-06 FDX1003 HNL → OGG Jul 6, 21:42 UTCJul 6, 22:05 UTC23m
2026-07-03 FDX1008 - Jul 3, 23:40 UTCJul 4, 00:10 UTC30m
2026-07-03 FDX1007 - Jul 3, 21:05 UTCJul 3, 21:25 UTC20m
2026-07-03 FDX1006 - Jul 3, 15:35 UTCJul 3, 16:05 UTC30m
2026-07-03 FDX1005 - Jul 3, 13:30 UTCJul 3, 13:50 UTC20m
2026-07-01 FDX1008 - Jul 1, 23:40 UTCJul 2, 00:05 UTC25m
2026-07-01 FDX1007 - Jul 1, 21:45 UTCJul 1, 22:05 UTC20m
2026-07-01 FDX1006 - Jul 1, 16:10 UTCJul 1, 16:35 UTC25m
2026-07-01 FDX1005 - Jul 1, 13:40 UTCJul 1, 14:00 UTC20m
2026-06-30 FDX1008 - Jun 30, 23:35 UTCJul 1, 00:00 UTC25m
2026-06-30 FDX1007 - Jun 30, 21:50 UTCJun 30, 22:10 UTC20m

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 N919FD page for operator, model, and routing details .

Mode-S ACB89B frequently asked

What is Mode-S code ACB89B?
ACB89B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N919FD.
Where is Mode-S ACB89B registered?
Mode-S code ACB89B 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 ACB89B broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 00:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACB89B, octal 53134233, decimal 11,319,451.
What flights does ACB89B operate?
Mode-S ACB89B has broadcast 9 distinct callsigns, including FDX1005, FDX1007, FDX1008, FDX1006, FDX1004.