Apparatus

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sensors Mode-S transponder

ACBEAB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N920FD · BOEING 757-200 · operated by FEDERAL EXPRESS CORP

Hex
ACBEAB
Octal
53137253
Decimal
11,321,003
Country
US
Tail
N920FD
Type
B752
No current signal · last broadcast Jul 25, 10:35 UTC
Flights observed
130
Distinct callsigns
20
Country
US
Last broadcast
Jul 25, 10:35 UTC

Last known position

Most recent position reported by Mode-S ACBEAB.

Country allocation

The ICAO 24-bit address ACBEAB 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
FDX1544 - 7 2026-07-15
FDX1231 - 5 2026-07-16
FDX1211 - 5 2026-07-01
FDX1757 FedEx Express 4 2026-06-05
FDX1442 FedEx Express 4 2026-06-12
FDX1316 - 4 2026-06-16
FDX1570 FedEx Express 3 2026-07-24
FDX1481 - 3 2026-06-16
FDX1349 FedEx Express 3 2026-05-12
FDX1278 FedEx Express 3 2026-05-28
FDX1106 FedEx Express 3 2026-05-07
FDX2640 FedEx Express 2 2026-06-23
FDX1901 FedEx Express 2 2026-07-22
FDX1777 - 2 2026-06-25
FDX1767 FedEx Express 2 2026-06-04
FDX1677 - 2 2026-07-02
FDX1667 FedEx Express 2 2026-06-05
FDX1578 - 2 2026-06-27
FDX1540 - 2 2026-07-21
FDX1539 FedEx Express 2 2026-05-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 FDX1474 MEM → DAY Jul 25, 09:35 UTCJul 25, 10:35 UTC1h 0m
2026-07-25 FDX1347 ALB → MEM Jul 25, 01:45 UTCJul 25, 04:00 UTC2h 15m
2026-07-24 FDX1570 MEM → ALB Jul 24, 08:30 UTCJul 24, 10:30 UTC2h 0m
2026-07-24 FDX1570 MEM → ALB Jul 24, 08:25 UTCJul 24, 10:26 UTC2h 1m
2026-07-24 FDX1297 ATL → MEM Jul 24, 02:40 UTCJul 24, 03:30 UTC50m
2026-07-23 FDX1079 PHL → MEM Jul 23, 08:05 UTCJul 23, 08:55 UTC50m
2026-07-23 FDX1040 EWR → GSO Jul 23, 03:07 UTCJul 23, 04:16 UTC1h 9m
2026-07-23 FDX1040 EWR → GSO Jul 23, 03:10 UTCJul 23, 04:15 UTC1h 5m
2026-07-22 FDX1901 IAD → EWR Jul 22, 03:20 UTCJul 22, 04:25 UTC1h 5m
2026-07-21 FDX1540 - Jul 21, 09:15 UTCJul 21, 10:55 UTC1h 40m
2026-07-21 FDX1323 DAY → MEM Jul 21, 03:00 UTCJul 21, 04:00 UTC1h 0m
2026-07-18 FDX1474 - Jul 18, 09:10 UTCJul 18, 10:15 UTC1h 5m
2026-07-18 FDX1320 - Jul 18, 03:00 UTCJul 18, 03:30 UTC30m
2026-07-17 FDX1457 MEM → SGF Jul 17, 09:30 UTCJul 17, 10:10 UTC40m
2026-07-17 FDX1333 - Jul 17, 02:59 UTCJul 17, 04:04 UTC1h 5m
2026-07-16 FDX1512 - Jul 16, 09:25 UTCJul 16, 10:15 UTC50m
2026-07-16 FDX1231 - Jul 16, 02:00 UTCJul 16, 03:50 UTC1h 50m
2026-07-15 FDX1544 - Jul 15, 09:25 UTCJul 15, 11:15 UTC1h 50m
2026-07-15 FDX1544 MEM → FAR Jul 15, 09:21 UTCJul 15, 11:11 UTC1h 50m
2026-07-15 FDX155 - Jul 15, 01:05 UTCJul 15, 03:10 UTC2h 5m
2026-07-14 FDX156 - Jul 14, 10:05 UTCJul 14, 12:20 UTC2h 15m
2026-07-14 FDX1302 - Jul 14, 03:10 UTCJul 14, 04:15 UTC1h 5m
2026-07-11 FDX1502 - Jul 11, 11:10 UTCJul 11, 11:30 UTC20m
2026-07-11 FDX1502 - Jul 11, 09:20 UTCJul 11, 10:20 UTC1h 0m
2026-07-11 FDX1269 - Jul 11, 02:05 UTCJul 11, 03:40 UTC1h 35m
2026-07-11 FDX1269 FNT → MEM Jul 11, 02:02 UTCJul 11, 03:40 UTC1h 38m
2026-07-10 FDX1714 - Jul 10, 08:50 UTCJul 10, 09:30 UTC40m
2026-07-10 FDX1643 - Jul 10, 03:10 UTCJul 10, 03:50 UTC40m
2026-07-09 FDX1702 - Jul 9, 08:50 UTCJul 9, 09:25 UTC35m
2026-07-02 FDX1677 - Jul 2, 03:45 UTCJul 2, 04:35 UTC50m
2026-07-01 FDX1464 - Jul 1, 09:25 UTCJul 1, 10:30 UTC1h 5m
2026-07-01 FDX1211 - Jul 1, 03:20 UTCJul 1, 04:35 UTC1h 15m
2026-07-01 FDX1211 - Jul 1, 02:00 UTCJul 1, 02:25 UTC25m
2026-06-30 FDX1500 - Jun 30, 10:20 UTCJun 30, 11:25 UTC1h 5m
2026-06-30 FDX1296 - Jun 30, 01:50 UTCJun 30, 03:35 UTC1h 45m
2026-06-27 FDX1578 - Jun 27, 09:09 UTCJun 27, 10:50 UTC1h 40m
2026-06-27 FDX1578 MEM → BUF Jun 27, 09:04 UTCJun 27, 10:45 UTC1h 41m
2026-06-27 FDX1254 - Jun 27, 02:09 UTCJun 27, 04:39 UTC2h 30m
2026-06-27 FDX1254 - Jun 27, 00:55 UTCJun 27, 01:15 UTC20m
2026-06-26 FDX1454 - Jun 26, 08:40 UTCJun 26, 11:00 UTC2h 20m
2026-06-26 FDX1211 - Jun 26, 03:34 UTCJun 26, 04:55 UTC1h 20m
2026-06-26 FDX1211 CID → MEM Jun 26, 03:33 UTCJun 26, 04:55 UTC1h 22m
2026-06-26 FDX1211 - Jun 26, 01:54 UTCJun 26, 02:14 UTC20m
2026-06-25 FDX1777 - Jun 25, 10:20 UTCJun 25, 10:45 UTC25m
2026-06-25 FDX1777 IND → CID Jun 25, 08:40 UTCJun 25, 09:29 UTC50m
2026-06-23 FDX2640 BNA → IND Jun 23, 03:04 UTCJun 23, 03:45 UTC40m
2026-06-18 FDX1498 - Jun 18, 09:55 UTCJun 18, 10:30 UTC35m
2026-06-18 FDX1270 - Jun 18, 04:55 UTCJun 18, 05:55 UTC1h 0m
2026-06-18 FDX1270 LFT → MEM Jun 18, 04:54 UTCJun 18, 05:54 UTC1h 0m
2026-06-17 FDX1441 - Jun 17, 09:15 UTCJun 17, 09:55 UTC40m

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 N920FD page for operator, model, and routing details .

Mode-S ACBEAB frequently asked

What is Mode-S code ACBEAB?
ACBEAB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N920FD.
Where is Mode-S ACBEAB registered?
Mode-S code ACBEAB 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 ACBEAB broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 10:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACBEAB, octal 53137253, decimal 11,321,003.
What flights does ACBEAB operate?
Mode-S ACBEAB has broadcast 20 distinct callsigns, including FDX1544, FDX1231, FDX1211, FDX1757, FDX1442.