Apparatus

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sensors Mode-S transponder

AD2F18

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N949FD · BOEING 757-200 · operated by FEDERAL EXPRESS CORP

Hex
AD2F18
Octal
53227430
Decimal
11,349,784
Country
US
Tail
N949FD
Type
B752
No current signal · last broadcast Jul 25, 10:20 UTC
Flights observed
145
Distinct callsigns
20
Country
US
Last broadcast
Jul 25, 10:20 UTC

Last known position

Most recent position reported by Mode-S AD2F18.

Country allocation

The ICAO 24-bit address AD2F18 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
FDX1767 FedEx Express 7 2026-05-29
FDX1408 - 7 2026-07-07
FDX1370 - 5 2026-07-08
FDX1040 FedEx Express 5 2026-05-22
FDX1540 - 4 2026-07-17
FDX1481 - 4 2026-07-11
FDX1441 FedEx Express 4 2026-06-10
FDX1316 FedEx Express 4 2026-05-30
FDX1288 - 4 2026-07-07
FDX1073 FedEx Express 4 2026-05-22
FDX1058 FedEx Express 4 2026-07-23
FDX2349 - 3 2026-07-17
FDX1901 FedEx Express 3 2026-07-21
FDX1667 FedEx Express 3 2026-04-16
FDX1562 FedEx Express 3 2026-07-25
FDX1488 - 3 2026-07-03
FDX1474 - 3 2026-07-09
FDX1270 FedEx Express 3 2026-06-11
FDX333 FedEx Express 2 2026-04-28
FDX1952 FedEx Express 2 2026-05-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 FDX1562 MEM → HTS Jul 25, 10:00 UTCJul 25, 10:20 UTC20m
2026-07-25 FDX1562 MEM → HTS Jul 25, 09:58 UTCJul 25, 10:30 UTC32m
2026-07-25 FDX1562 MEM → HTS Jul 25, 08:45 UTCJul 25, 09:25 UTC40m
2026-07-23 FDX1058 AFW → DFW Jul 23, 05:20 UTCJul 23, 06:15 UTC55m
2026-07-23 FDX1058 AFW → DFW Jul 23, 02:20 UTCJul 23, 02:40 UTC20m
2026-07-22 FDX1123 EWR → AFW Jul 22, 03:00 UTCJul 22, 05:25 UTC2h 25m
2026-07-21 FDX1901 IAD → EWR Jul 21, 03:45 UTCJul 21, 04:30 UTC45m
2026-07-17 FDX1540 - Jul 17, 08:40 UTCJul 17, 10:15 UTC1h 35m
2026-07-17 FDX2349 - Jul 17, 03:25 UTCJul 17, 04:29 UTC1h 5m
2026-07-11 FDX1481 - Jul 11, 09:05 UTCJul 11, 10:05 UTC1h 0m
2026-07-11 FDX155 - Jul 11, 01:00 UTCJul 11, 03:25 UTC2h 25m
2026-07-10 FDX156 - Jul 10, 09:45 UTCJul 10, 11:50 UTC2h 5m
2026-07-10 FDX156 MEM → YOW Jul 10, 09:40 UTCJul 10, 11:52 UTC2h 12m
2026-07-10 FDX1323 - Jul 10, 02:55 UTCJul 10, 04:30 UTC1h 35m
2026-07-09 FDX1474 - Jul 9, 09:25 UTCJul 9, 10:30 UTC1h 5m
2026-07-09 FDX1474 MEM → DAY Jul 9, 09:20 UTCJul 9, 10:25 UTC1h 5m
2026-07-09 FDX2349 - Jul 9, 03:05 UTCJul 9, 04:20 UTC1h 15m
2026-07-08 FDX1481 - Jul 8, 08:35 UTCJul 8, 09:35 UTC1h 0m
2026-07-08 FDX1481 MEM → TLH Jul 8, 08:30 UTCJul 8, 09:43 UTC1h 13m
2026-07-08 FDX1370 - Jul 8, 02:50 UTCJul 8, 05:05 UTC2h 15m
2026-07-07 FDX1408 - Jul 7, 12:20 UTCJul 7, 13:00 UTC40m
2026-07-07 FDX1408 - Jul 7, 09:05 UTCJul 7, 11:25 UTC2h 20m
2026-07-07 FDX1288 - Jul 7, 03:30 UTCJul 7, 04:05 UTC35m
2026-07-07 FDX1288 BHM → MEM Jul 7, 03:29 UTCJul 7, 04:10 UTC41m
2026-07-03 FDX1488 - Jul 3, 09:30 UTCJul 3, 10:05 UTC35m
2026-07-03 FDX1211 - Jul 3, 03:20 UTCJul 3, 04:40 UTC1h 20m
2026-07-03 FDX1211 - Jul 3, 01:55 UTCJul 3, 02:25 UTC30m
2026-07-02 FDX1500 - Jul 2, 09:40 UTCJul 2, 10:50 UTC1h 10m
2026-07-02 FDX1320 - Jul 2, 03:20 UTCJul 2, 04:00 UTC40m
2026-07-02 FDX1320 SGF → MEM Jul 2, 03:15 UTCJul 2, 04:00 UTC45m
2026-07-01 FDX1457 - Jul 1, 10:00 UTCJul 1, 10:40 UTC40m
2026-07-01 FDX1347 - Jul 1, 01:50 UTCJul 1, 03:55 UTC2h 5m
2026-06-30 FDX1570 - Jun 30, 09:20 UTCJun 30, 11:25 UTC2h 5m
2026-06-30 FDX1362 - Jun 30, 04:00 UTCJun 30, 05:10 UTC1h 10m
2026-06-30 FDX1362 - Jun 30, 02:00 UTCJun 30, 02:50 UTC50m
2026-06-27 FDX1451 - Jun 27, 10:54 UTCJun 27, 11:39 UTC45m
2026-06-27 FDX1451 - Jun 27, 09:09 UTCJun 27, 10:05 UTC55m
2026-06-27 FDX1370 - Jun 27, 03:34 UTCJun 27, 05:25 UTC1h 50m
2026-06-27 FDX1370 - Jun 27, 01:59 UTCJun 27, 02:35 UTC35m
2026-06-26 FDX1408 - Jun 26, 12:19 UTCJun 26, 13:04 UTC45m
2026-06-26 FDX1408 CPR → GJT Jun 26, 12:19 UTCJun 26, 13:02 UTC43m
2026-06-26 FDX1408 - Jun 26, 09:10 UTCJun 26, 11:30 UTC2h 20m
2026-06-26 FDX1291 - Jun 26, 01:20 UTCJun 26, 04:04 UTC2h 45m
2026-06-26 FDX1291 PWM → MEM Jun 26, 01:15 UTCJun 26, 04:05 UTC2h 50m
2026-06-25 FDX1491 - Jun 25, 08:40 UTCJun 25, 10:50 UTC2h 10m
2026-06-25 FDX1357 - Jun 25, 03:40 UTCJun 25, 04:45 UTC1h 5m
2026-06-25 FDX1357 - Jun 25, 01:19 UTCJun 25, 02:25 UTC1h 5m
2026-06-24 FDX1500 - Jun 24, 09:34 UTCJun 24, 10:39 UTC1h 5m
2026-06-24 FDX2349 TLH → MEM Jun 24, 03:19 UTCJun 24, 04:20 UTC1h 0m
2026-06-23 FDX1481 - Jun 23, 08:50 UTCJun 23, 09:45 UTC55m

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 N949FD page for operator, model, and routing details .

Mode-S AD2F18 frequently asked

What is Mode-S code AD2F18?
AD2F18 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N949FD.
Where is Mode-S AD2F18 registered?
Mode-S code AD2F18 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 AD2F18 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 10:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD2F18, octal 53227430, decimal 11,349,784.
What flights does AD2F18 operate?
Mode-S AD2F18 has broadcast 20 distinct callsigns, including FDX1767, FDX1408, FDX1370, FDX1040, FDX1540.