Apparatus

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sensors Mode-S transponder

AD18CE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N943FD · BOEING 757-200 · operated by FEDERAL EXPRESS CORP, ATTN: MICHAEL WILSON

Hex
AD18CE
Octal
53214316
Decimal
11,344,078
Country
US
Tail
N943FD
Type
B752
Broadcasting now · callsign FDX1409 · 35,000 ft
Flights observed
121
Distinct callsigns
20
Country
US
Last broadcast
4h ago

Current position

AD18CE is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AD18CE 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
FDX1558 - 6 2026-06-30
FDX1770 FedEx Express 3 2026-04-14
FDX1767 FedEx Express 3 2026-05-01
FDX1757 FedEx Express 3 2026-04-16
FDX1640 FedEx Express 3 2026-04-28
FDX1500 - 3 2026-06-27
FDX1362 - 3 2026-07-11
FDX1316 - 3 2026-06-19
FDX1211 - 3 2026-06-30
FDX380 FedEx Express 2 2026-06-09
FDX2374 - 2 2026-07-14
FDX2349 FedEx Express 2 2026-06-18
FDX1777 FedEx Express 2 2026-05-08
FDX1727 FedEx Express 2 2026-04-15
FDX1714 FedEx Express 2 2026-04-28
FDX1677 FedEx Express 2 2026-05-08
FDX1662 FedEx Express 2 2026-04-16
FDX1661 FedEx Express 2 2026-04-15
FDX1643 FedEx Express 2 2026-05-01
FDX1591 - 2 2026-07-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FDX2374 - Jul 14, 03:25 UTCJul 14, 04:40 UTC1h 15m
2026-07-14 FDX2374 - Jul 14, 02:00 UTCJul 14, 02:20 UTC20m
2026-07-11 FDX1562 - Jul 11, 10:15 UTCJul 11, 10:40 UTC25m
2026-07-11 FDX1562 - Jul 11, 08:55 UTCJul 11, 09:40 UTC45m
2026-07-11 FDX1362 - Jul 11, 03:25 UTCJul 11, 04:20 UTC55m
2026-07-11 FDX1362 - Jul 11, 02:00 UTCJul 11, 02:40 UTC40m
2026-07-10 FDX1451 - Jul 10, 09:30 UTCJul 10, 10:50 UTC1h 20m
2026-07-10 FDX1321 - Jul 10, 02:50 UTCJul 10, 04:15 UTC1h 25m
2026-07-09 FDX1521 - Jul 9, 09:05 UTCJul 9, 10:40 UTC1h 35m
2026-07-09 FDX1270 - Jul 9, 03:45 UTCJul 9, 05:00 UTC1h 15m
2026-07-09 FDX1270 LFT → MEM Jul 9, 03:41 UTCJul 9, 04:57 UTC1h 16m
2026-07-08 FDX1441 - Jul 8, 08:40 UTCJul 8, 09:25 UTC45m
2026-07-08 FDX155 - Jul 8, 01:15 UTCJul 8, 03:30 UTC2h 15m
2026-07-07 FDX156 - Jul 7, 09:55 UTCJul 7, 11:55 UTC2h 0m
2026-07-07 FDX1254 - Jul 7, 01:00 UTCJul 7, 03:25 UTC2h 25m
2026-07-03 FDX1454 - Jul 3, 08:35 UTCJul 3, 10:55 UTC2h 20m
2026-07-03 FDX2392 - Jul 3, 02:05 UTCJul 3, 04:40 UTC2h 35m
2026-07-02 FDX1592 - Jul 2, 09:20 UTCJul 2, 12:10 UTC2h 50m
2026-07-02 FDX2391 - Jul 2, 01:25 UTCJul 2, 04:00 UTC2h 35m
2026-07-01 FDX1591 - Jul 1, 09:10 UTCJul 1, 10:40 UTC1h 30m
2026-07-01 FDX1591 MEM → MCO Jul 1, 09:05 UTCJul 1, 10:37 UTC1h 32m
2026-06-30 FDX1558 - Jun 30, 13:15 UTCJun 30, 14:35 UTC1h 20m
2026-06-30 FDX1558 - Jun 30, 10:00 UTCJun 30, 11:20 UTC1h 20m
2026-06-30 FDX1211 - Jun 30, 03:35 UTCJun 30, 04:45 UTC1h 10m
2026-06-30 FDX1211 CID → MEM Jun 30, 03:32 UTCJun 30, 04:47 UTC1h 15m
2026-06-30 FDX1211 - Jun 30, 02:00 UTCJun 30, 02:15 UTC15m
2026-06-27 FDX1500 - Jun 27, 11:30 UTCJun 27, 11:55 UTC25m
2026-06-27 FDX1500 CID → DSM Jun 27, 11:28 UTCJun 27, 11:52 UTC24m
2026-06-27 FDX1500 - Jun 27, 09:19 UTCJun 27, 10:29 UTC1h 10m
2026-06-26 FDX1302 - Jun 26, 03:54 UTCJun 26, 05:10 UTC1h 15m
2026-06-26 FDX1302 SBN → MEM Jun 26, 03:49 UTCJun 26, 05:00 UTC1h 11m
2026-06-25 FDX1502 - Jun 25, 11:30 UTCJun 25, 11:44 UTC15m
2026-06-25 FDX1502 - Jun 25, 09:40 UTCJun 25, 10:39 UTC1h 0m
2026-06-25 FDX1323 - Jun 25, 03:50 UTCJun 25, 04:54 UTC1h 5m
2026-06-24 FDX1474 - Jun 24, 09:45 UTCJun 24, 10:45 UTC1h 0m
2026-06-24 FDX1474 MEM → DAY Jun 24, 09:41 UTCJun 24, 10:45 UTC1h 4m
2026-06-24 FDX1333 - Jun 24, 04:15 UTCJun 24, 05:15 UTC1h 0m
2026-06-24 FDX1333 - Jun 24, 02:54 UTCJun 24, 03:19 UTC25m
2026-06-23 FDX1512 - Jun 23, 09:54 UTCJun 23, 10:49 UTC55m
2026-06-21 FDX375 - Jun 21, 14:34 UTCJun 21, 15:25 UTC50m
2026-06-20 FDX1558 - Jun 20, 12:50 UTCJun 20, 14:05 UTC1h 15m
2026-06-20 FDX1558 - Jun 20, 09:59 UTCJun 20, 11:25 UTC1h 25m
2026-06-19 FDX1316 - Jun 19, 02:09 UTCJun 19, 04:25 UTC2h 15m
2026-06-18 FDX1442 - Jun 18, 08:40 UTCJun 18, 10:25 UTC1h 45m
2026-06-18 FDX2349 TLH → MEM Jun 18, 03:10 UTCJun 18, 04:15 UTC1h 5m
2026-06-17 FDX1481 - Jun 17, 08:30 UTCJun 17, 09:25 UTC55m
2026-06-17 FDX1362 - Jun 17, 01:45 UTCJun 17, 03:20 UTC1h 35m
2026-06-16 FDX1451 - Jun 16, 09:30 UTCJun 16, 10:40 UTC1h 10m
2026-06-16 FDX2278 MCO → MEM Jun 16, 00:55 UTCJun 16, 02:29 UTC1h 35m
2026-06-12 FDX1409 MEM → MCO Jun 12, 08:15 UTCJun 12, 09:40 UTC1h 25m

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 N943FD page for operator, model, and routing details .

Mode-S AD18CE frequently asked

What is Mode-S code AD18CE?
AD18CE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N943FD.
Where is Mode-S AD18CE registered?
Mode-S code AD18CE 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 AD18CE broadcasting right now?
Yes. Mode-S AD18CE is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD18CE, octal 53214316, decimal 11,344,078.
What flights does AD18CE operate?
Mode-S AD18CE has broadcast 20 distinct callsigns, including FDX1558, FDX1770, FDX1767, FDX1757, FDX1640.