Apparatus

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sensors Mode-S transponder

AA94BE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N781FD · BOEING 757-200 · operated by FEDERAL EXPRESS CORP

Hex
AA94BE
Octal
52512276
Decimal
11,179,198
Country
US
Tail
N781FD
Type
B752
No current signal · last broadcast 3h ago
Flights observed
70
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S AA94BE.

Country allocation

The ICAO 24-bit address AA94BE 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
FDX1374 FedEx Express 4 2026-05-09
FDX1562 FedEx Express 3 2026-05-08
FDX1544 FedEx Express 3 2026-05-09
FDX1323 FedEx Express 3 2026-04-16
FDX1582 FedEx Express 2 2026-05-23
FDX1559 FedEx Express 2 2026-05-22
FDX1540 FedEx Express 2 2026-04-17
FDX1502 FedEx Express 2 2026-05-29
FDX1491 FedEx Express 2 2026-05-19
FDX1474 FedEx Express 2 2026-04-15
FDX1457 FedEx Express 2 2026-04-25
FDX1441 FedEx Express 2 2026-04-22
FDX1408 FedEx Express 2 2026-04-24
FDX1381 FedEx Express 2 2026-05-07
FDX1370 FedEx Express 2 2026-04-25
FDX1320 FedEx Express 2 2026-04-28
FDX1305 FedEx Express 2 2026-05-23
FDX1286 FedEx Express 2 2026-05-05
FDX1254 FedEx Express 2 2026-04-24
FDX791 FedEx Express 1 2026-04-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 FDX1302 SBN → MEM May 30, 03:10 UTCMay 30, 04:20 UTC1h 10m
2026-05-29 FDX1502 MEM → FWA May 29, 10:50 UTCMay 29, 11:05 UTC15m
2026-05-29 FDX1502 MEM → FWA May 29, 09:00 UTCMay 29, 09:55 UTC55m
2026-05-29 FDX1339 SAV → CHA May 29, 02:10 UTCMay 29, 03:25 UTC1h 15m
2026-05-28 FDX1539 MEM → SAV May 28, 09:30 UTCMay 28, 10:35 UTC1h 5m
2026-05-28 FDX1288 BHM → MEM May 28, 03:20 UTCMay 28, 03:55 UTC35m
2026-05-27 FDX1488 CHA → BHM May 27, 09:45 UTCMay 27, 10:20 UTC35m
2026-05-27 FDX1356 BMI → MEM May 27, 02:22 UTCMay 27, 03:25 UTC1h 3m
2026-05-23 FDX1582 MEM → ICT May 23, 11:55 UTCMay 23, 12:25 UTC30m
2026-05-23 FDX1582 MEM → ICT May 23, 09:25 UTCMay 23, 10:35 UTC1h 10m
2026-05-23 FDX1305 ICT → MEM May 23, 03:40 UTCMay 23, 04:40 UTC1h 0m
2026-05-23 FDX1305 ICT → MEM May 23, 03:38 UTCMay 23, 04:43 UTC1h 5m
2026-05-22 FDX1559 MEM → ICT May 22, 09:20 UTCMay 22, 09:45 UTC25m
2026-05-22 FDX1559 MEM → ICT May 22, 07:25 UTCMay 22, 08:10 UTC45m
2026-05-22 FDX1316 SYR → MEM May 22, 02:10 UTCMay 22, 04:20 UTC2h 10m
2026-05-21 FDX1442 MEM → SYR May 21, 08:35 UTCMay 21, 10:20 UTC1h 45m
2026-05-21 FDX1293 RST → MEM May 21, 02:40 UTCMay 21, 04:05 UTC1h 25m
2026-05-20 FDX1493 MEM → RST May 20, 09:50 UTCMay 20, 11:10 UTC1h 20m
2026-05-20 FDX1291 PWM → MEM May 20, 01:30 UTCMay 20, 04:00 UTC2h 30m
2026-05-19 FDX1491 MEM → PWM May 19, 09:10 UTCMay 19, 11:25 UTC2h 15m
2026-05-19 FDX1376 LCK → MEM May 19, 02:35 UTCMay 19, 03:20 UTC45m
2026-05-15 FDX1576 MEM → CHA May 15, 09:25 UTCMay 15, 10:05 UTC40m
2026-05-14 FDX380 MEM → PHX May 14, 21:15 UTCMay 15, 05:10 UTC7h 55m
2026-05-12 FDX1231 GFK → MEM May 12, 02:45 UTCMay 12, 03:45 UTC1h 0m
2026-05-09 FDX1544 MEM → GFK May 9, 11:45 UTCMay 9, 12:25 UTC40m
2026-05-09 FDX1544 MEM → GFK May 9, 11:45 UTCMay 9, 12:24 UTC39m
2026-05-09 FDX1544 MEM → GFK May 9, 09:10 UTCMay 9, 10:50 UTC1h 40m
2026-05-09 FDX1374 LCK → MEM May 9, 03:40 UTCMay 9, 04:45 UTC1h 5m
2026-05-09 FDX1374 LCK → MEM May 9, 02:00 UTCMay 9, 02:55 UTC55m
2026-05-08 FDX1562 MEM → HTS May 8, 08:29 UTCMay 8, 09:14 UTC45m
2026-05-08 FDX1333 BMI → MEM May 8, 03:04 UTCMay 8, 04:00 UTC55m
2026-05-07 FDX1512 MEM → BMI May 7, 09:30 UTCMay 7, 10:20 UTC50m
2026-05-07 FDX1381 TPA → MEM May 7, 05:55 UTCMay 7, 06:35 UTC40m
2026-05-07 FDX1381 TPA → MEM May 7, 01:45 UTCMay 7, 04:50 UTC3h 5m
2026-05-05 FDX1491 MEM → PWM May 5, 08:50 UTCMay 5, 11:05 UTC2h 15m
2026-05-05 FDX1286 LCK → MEM May 5, 02:45 UTCMay 5, 04:10 UTC1h 25m
2026-05-03 FDX756 MEM → LBB May 3, 22:34 UTCMay 4, 00:05 UTC1h 30m
2026-05-02 FDX1310 SWF → MEM May 2, 01:50 UTCMay 2, 04:25 UTC2h 35m
2026-05-01 FDX1780 SWF → MDT May 1, 08:40 UTCMay 1, 09:55 UTC1h 15m
2026-05-01 FDX1619 TYS → IND May 1, 03:15 UTCMay 1, 04:05 UTC50m
2026-04-30 FDX1485 MEM → TYS Apr 30, 09:15 UTCApr 30, 10:00 UTC45m
2026-04-30 FDX1374 LCK → MEM Apr 30, 02:00 UTCApr 30, 03:15 UTC1h 15m
2026-04-30 FDX1374 LCK → MEM Apr 30, 01:55 UTCApr 30, 03:18 UTC1h 23m
2026-04-29 FDX1562 MEM → HTS Apr 29, 09:10 UTCApr 29, 09:55 UTC45m
2026-04-29 FDX1562 MEM → HTS Apr 29, 09:07 UTCApr 29, 10:05 UTC58m
2026-04-29 FDX1286 LCK → MEM Apr 29, 04:55 UTCApr 29, 06:15 UTC1h 20m
2026-04-28 FDX791 MEM → MSY Apr 28, 23:05 UTCApr 29, 00:50 UTC1h 45m
2026-04-28 FDX1320 SGF → MEM Apr 28, 03:45 UTCApr 28, 04:30 UTC45m
2026-04-25 FDX1457 MEM → SGF Apr 25, 09:10 UTCApr 25, 09:50 UTC40m
2026-04-25 FDX1370 COS → MEM Apr 25, 03:50 UTCApr 25, 05:25 UTC1h 35m

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 N781FD page for operator, model, and routing details .

Mode-S AA94BE frequently asked

What is Mode-S code AA94BE?
AA94BE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N781FD.
Where is Mode-S AA94BE registered?
Mode-S code AA94BE 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 AA94BE broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA94BE, octal 52512276, decimal 11,179,198.
What flights does AA94BE operate?
Mode-S AA94BE has broadcast 20 distinct callsigns, including FDX1374, FDX1562, FDX1544, FDX1323, FDX1582.