Apparatus

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sensors Mode-S transponder

AD002B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N937FD · BOEING 757-200 · operated by FEDERAL EXPRESS CORP

Hex
AD002B
Octal
53200053
Decimal
11,337,771
Country
US
Tail
N937FD
Type
B752
No current signal · last broadcast 4h ago
Flights observed
131
Distinct callsigns
20
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S AD002B.

Country allocation

The ICAO 24-bit address AD002B 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
FDX1582 - 10 2026-07-11
FDX1442 - 5 2026-07-07
FDX1500 FedEx Express 4 2026-06-05
FDX1374 FedEx Express 4 2026-04-29
FDX1295 - 4 2026-07-07
FDX839 FedEx Express 3 2026-05-10
FDX1495 - 3 2026-07-03
FDX1457 - 3 2026-06-30
FDX1441 FedEx Express 3 2026-05-29
FDX1321 FedEx Express 3 2026-06-04
FDX1316 - 3 2026-07-08
FDX1270 FedEx Express 3 2026-05-30
FDX602 FedEx Express 2 2026-05-08
FDX2393 - 2 2026-07-03
FDX2356 - 2 2026-07-14
FDX1757 - 2 2026-06-19
FDX1714 FedEx Express 2 2026-06-12
FDX1667 FedEx Express 2 2026-06-16
FDX1593 - 2 2026-07-02
FDX1570 FedEx Express 2 2026-04-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FDX1428 - Jul 14, 08:30 UTCJul 14, 10:30 UTC2h 0m
2026-07-14 FDX2356 - Jul 14, 02:25 UTCJul 14, 03:20 UTC55m
2026-07-14 FDX2356 MCI → MEM Jul 14, 02:22 UTCJul 14, 03:16 UTC54m
2026-07-11 FDX1582 - Jul 11, 11:50 UTCJul 11, 12:20 UTC30m
2026-07-11 FDX1582 - Jul 11, 09:45 UTCJul 11, 10:45 UTC1h 0m
2026-07-09 FDX1582 - Jul 9, 12:25 UTCJul 9, 13:30 UTC1h 5m
2026-07-09 FDX1582 - Jul 9, 09:40 UTCJul 9, 10:40 UTC1h 0m
2026-07-09 FDX1582 - Jul 9, 09:25 UTCJul 9, 09:35 UTC10m
2026-07-08 FDX1267 - Jul 8, 21:50 UTCJul 9, 05:20 UTC7h 30m
2026-07-08 FDX1582 - Jul 8, 11:20 UTCJul 8, 12:20 UTC1h 0m
2026-07-08 FDX1582 - Jul 8, 09:05 UTCJul 8, 10:05 UTC1h 0m
2026-07-08 FDX1316 - Jul 8, 02:35 UTCJul 8, 04:45 UTC2h 10m
2026-07-07 FDX1442 - Jul 7, 09:00 UTCJul 7, 10:40 UTC1h 40m
2026-07-07 FDX1295 - Jul 7, 03:00 UTCJul 7, 05:00 UTC2h 0m
2026-07-07 FDX1295 - Jul 7, 00:50 UTCJul 7, 01:55 UTC1h 5m
2026-07-03 FDX1495 - Jul 3, 09:35 UTCJul 3, 12:45 UTC3h 10m
2026-07-03 FDX2393 OAK → MEM Jul 3, 00:57 UTCJul 3, 04:23 UTC3h 26m
2026-07-03 FDX2393 - Jul 3, 01:00 UTCJul 3, 04:30 UTC3h 30m
2026-07-02 FDX1593 - Jul 2, 09:35 UTCJul 2, 13:25 UTC3h 50m
2026-07-02 FDX1593 MEM → OAK Jul 2, 09:34 UTCJul 2, 13:20 UTC3h 46m
2026-07-02 FDX1323 - Jul 2, 03:25 UTCJul 2, 04:40 UTC1h 15m
2026-07-01 FDX1474 - Jul 1, 09:45 UTCJul 1, 10:50 UTC1h 5m
2026-07-01 FDX1320 - Jul 1, 03:15 UTCJul 1, 03:55 UTC40m
2026-06-30 FDX1457 - Jun 30, 10:30 UTCJun 30, 11:10 UTC40m
2026-06-30 FDX1297 - Jun 30, 03:15 UTCJun 30, 04:10 UTC55m
2026-06-26 FDX1079 - Jun 26, 08:05 UTCJun 26, 08:50 UTC45m
2026-06-23 FDX1040 - Jun 23, 03:54 UTCJun 23, 04:55 UTC1h 0m
2026-06-21 FDX325 MEM → LAX Jun 21, 19:45 UTCJun 21, 21:49 UTC2h 5m
2026-06-20 FDX2324 BNA → MEM Jun 20, 04:20 UTCJun 20, 04:44 UTC25m
2026-06-19 FDX1757 - Jun 19, 11:04 UTCJun 19, 12:09 UTC1h 5m
2026-06-19 FDX1757 - Jun 19, 08:14 UTCJun 19, 09:49 UTC1h 35m
2026-06-18 FDX1662 - Jun 18, 02:15 UTCJun 18, 04:05 UTC1h 50m
2026-06-17 FDX1727 IND → ORD Jun 17, 08:25 UTCJun 17, 09:50 UTC1h 25m
2026-06-16 FDX1667 SYR → IND Jun 16, 02:34 UTCJun 16, 04:05 UTC1h 30m
2026-06-16 FDX1667 SYR → IND Jun 16, 00:15 UTCJun 16, 00:40 UTC25m
2026-06-13 FDX1442 MEM → SYR Jun 13, 11:40 UTCJun 13, 12:05 UTC25m
2026-06-13 FDX1442 MEM → SYR Jun 13, 09:00 UTCJun 13, 10:40 UTC1h 40m
2026-06-13 FDX1269 - Jun 13, 02:05 UTCJun 13, 03:35 UTC1h 30m
2026-06-12 FDX1714 IND → ORF Jun 12, 09:45 UTCJun 12, 10:25 UTC40m
2026-06-12 FDX1714 IND → ORF Jun 12, 09:43 UTCJun 12, 10:25 UTC42m
2026-06-11 FDX1606 ORD → IND Jun 11, 02:30 UTCJun 11, 03:10 UTC40m
2026-06-10 FDX1469 MEM → FNT Jun 10, 09:05 UTCJun 10, 10:20 UTC1h 15m
2026-06-10 FDX1296 BUF → MEM Jun 10, 02:55 UTCJun 10, 04:45 UTC1h 50m
2026-06-10 FDX1296 BUF → MEM Jun 10, 02:54 UTCJun 10, 04:45 UTC1h 51m
2026-06-09 FDX1578 MEM → BUF Jun 9, 09:20 UTCJun 9, 11:00 UTC1h 40m
2026-06-09 FDX1317 LRD → MEM Jun 9, 01:40 UTCJun 9, 02:50 UTC1h 10m
2026-06-05 FDX1500 CID → DSM Jun 5, 14:20 UTCJun 5, 15:20 UTC1h 0m
2026-06-05 FDX1500 CID → DSM Jun 5, 11:10 UTCJun 5, 12:20 UTC1h 10m
2026-06-05 FDX1317 LRD → MEM Jun 5, 02:40 UTCJun 5, 03:55 UTC1h 15m
2026-06-04 FDX1500 CID → DSM Jun 4, 12:00 UTCJun 4, 12:55 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 N937FD page for operator, model, and routing details .

Mode-S AD002B frequently asked

What is Mode-S code AD002B?
AD002B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N937FD.
Where is Mode-S AD002B registered?
Mode-S code AD002B 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 AD002B broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD002B, octal 53200053, decimal 11,337,771.
What flights does AD002B operate?
Mode-S AD002B has broadcast 20 distinct callsigns, including FDX1582, FDX1442, FDX1500, FDX1374, FDX1295.