Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

AA7C1B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N775FD · BOEING 757-200 · operated by FEDERAL EXPRESS CORP

Hex
AA7C1B
Octal
52476033
Decimal
11,172,891
Country
US
Tail
N775FD
Type
B752
No current signal · last broadcast 1h ago
Flights observed
71
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S AA7C1B.

Country allocation

The ICAO 24-bit address AA7C1B 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
FDX1559 FedEx Express 5 2026-05-27
FDX1487 FedEx Express 5 2026-05-01
FDX1570 FedEx Express 4 2026-04-16
FDX1347 FedEx Express 4 2026-04-17
FDX1370 FedEx Express 3 2026-05-01
FDX1254 FedEx Express 3 2026-04-18
FDX1777 FedEx Express 2 2026-05-06
FDX1540 FedEx Express 2 2026-05-19
FDX1481 FedEx Express 2 2026-05-15
FDX1454 FedEx Express 2 2026-04-17
FDX1442 - 2 2026-04-14
FDX1408 FedEx Express 2 2026-04-30
FDX1356 FedEx Express 2 2026-05-05
FDX1329 FedEx Express 2 2026-04-29
FDX1316 FedEx Express 2 2026-04-15
FDX1305 FedEx Express 2 2026-05-28
FDX1293 FedEx Express 2 2026-04-21
FDX1211 FedEx Express 2 2026-05-07
FDX1058 FedEx Express 2 2026-05-22
FDX1901 FedEx Express 1 2026-05-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 FDX1474 MEM → DAY May 30, 09:20 UTCMay 30, 10:25 UTC1h 5m
2026-05-30 FDX1231 GFK → MEM May 30, 02:55 UTCMay 30, 04:45 UTC1h 50m
2026-05-29 FDX1544 MEM → GFK May 29, 09:40 UTCMay 29, 11:25 UTC1h 45m
2026-05-29 FDX1288 BHM → MEM May 29, 03:25 UTCMay 29, 04:05 UTC40m
2026-05-28 FDX1488 CHA → BHM May 28, 10:05 UTCMay 28, 10:30 UTC25m
2026-05-28 FDX1305 ICT → MEM May 28, 03:45 UTCMay 28, 04:45 UTC1h 0m
2026-05-27 FDX1559 MEM → ICT May 27, 08:20 UTCMay 27, 08:45 UTC25m
2026-05-27 FDX1559 MEM → ICT May 27, 07:00 UTCMay 27, 07:45 UTC45m
2026-05-27 FDX1297 ATL → MEM May 27, 02:54 UTCMay 27, 03:39 UTC45m
2026-05-22 FDX1079 PHL → MEM May 22, 08:20 UTCMay 22, 09:10 UTC50m
2026-05-22 FDX1058 AFW → DFW May 22, 03:55 UTCMay 22, 05:50 UTC1h 55m
2026-05-22 FDX1058 AFW → DFW May 22, 02:05 UTCMay 22, 02:20 UTC15m
2026-05-21 FDX1123 EWR → AFW May 21, 02:45 UTCMay 21, 05:50 UTC3h 5m
2026-05-20 FDX1901 IAD → EWR May 20, 03:35 UTCMay 20, 04:15 UTC40m
2026-05-19 FDX1540 MEM → IAD May 19, 08:55 UTCMay 19, 10:25 UTC1h 30m
2026-05-19 FDX1540 MEM → IAD May 19, 08:49 UTCMay 19, 10:24 UTC1h 35m
2026-05-19 FDX1349 TLH → MEM May 19, 03:20 UTCMay 19, 04:25 UTC1h 5m
2026-05-15 FDX1481 MEM → TLH May 15, 08:20 UTCMay 15, 09:15 UTC55m
2026-05-15 FDX1481 MEM → TLH May 15, 08:17 UTCMay 15, 09:15 UTC58m
2026-05-15 FDX1324 BNA → MEM May 15, 04:05 UTCMay 15, 04:40 UTC35m
2026-05-07 FDX1498 MEM → BNA May 7, 09:45 UTCMay 7, 10:20 UTC35m
2026-05-07 FDX1211 DSM → MEM May 7, 03:30 UTCMay 7, 04:45 UTC1h 15m
2026-05-07 FDX1211 DSM → MEM May 7, 01:55 UTCMay 7, 02:20 UTC25m
2026-05-06 FDX1777 IND → CID May 6, 10:10 UTCMay 6, 10:35 UTC25m
2026-05-06 FDX1777 IND → CID May 6, 08:25 UTCMay 6, 09:15 UTC50m
2026-05-06 FDX1619 TYS → IND May 6, 03:45 UTCMay 6, 04:35 UTC50m
2026-05-05 FDX1485 MEM → TYS May 5, 09:20 UTCMay 5, 10:05 UTC45m
2026-05-05 FDX1356 BMI → MEM May 5, 02:35 UTCMay 5, 03:30 UTC55m
2026-05-01 FDX1487 MEM → COS May 1, 12:20 UTCMay 1, 13:25 UTC1h 5m
2026-05-01 FDX1487 MEM → COS May 1, 09:05 UTCMay 1, 11:10 UTC2h 5m
2026-05-01 FDX1370 COS → MEM May 1, 03:25 UTCMay 1, 05:00 UTC1h 35m
2026-05-01 FDX1370 COS → MEM May 1, 03:25 UTCMay 1, 05:01 UTC1h 36m
2026-05-01 FDX1370 COS → MEM May 1, 02:00 UTCMay 1, 02:30 UTC30m
2026-04-30 FDX1408 MEM → CPR Apr 30, 12:35 UTCApr 30, 13:10 UTC35m
2026-04-30 FDX1408 MEM → CPR Apr 30, 09:05 UTCApr 30, 11:45 UTC2h 40m
2026-04-30 FDX1305 ICT → MEM Apr 30, 03:40 UTCApr 30, 04:30 UTC50m
2026-04-29 FDX1559 MEM → ICT Apr 29, 10:15 UTCApr 29, 10:40 UTC25m
2026-04-29 FDX1559 MEM → ICT Apr 29, 08:45 UTCApr 29, 09:35 UTC51m
2026-04-29 FDX1559 MEM → ICT Apr 29, 08:40 UTCApr 29, 09:37 UTC57m
2026-04-29 FDX1329 ATW → MEM Apr 29, 04:20 UTCApr 29, 05:35 UTC1h 15m
2026-04-29 FDX1329 ATW → MEM Apr 29, 01:05 UTCApr 29, 01:59 UTC55m
2026-04-28 FDX1477 MEM → MSN Apr 28, 11:45 UTCApr 28, 13:10 UTC1h 25m
2026-04-28 FDX1356 BMI → MEM Apr 28, 03:00 UTCApr 28, 04:05 UTC1h 5m
2026-04-24 FDX1487 MEM → COS Apr 24, 12:10 UTCApr 24, 13:25 UTC1h 15m
2026-04-24 FDX1487 MEM → COS Apr 24, 09:00 UTCApr 24, 11:00 UTC2h 0m
2026-04-24 FDX1296 BUF → MEM Apr 24, 01:40 UTCApr 24, 03:30 UTC1h 50m
2026-04-23 FDX1578 MEM → BUF Apr 23, 08:50 UTCApr 23, 10:35 UTC1h 45m
2026-04-23 FDX1374 LCK → MEM Apr 23, 02:00 UTCApr 23, 03:00 UTC1h 0m
2026-04-22 FDX1562 MEM → HTS Apr 22, 08:25 UTCApr 22, 09:20 UTC55m
2026-04-22 FDX1332 COS → MEM Apr 22, 03:15 UTCApr 22, 05:10 UTC1h 55m

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 N775FD page for operator, model, and routing details .

Mode-S AA7C1B frequently asked

What is Mode-S code AA7C1B?
AA7C1B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N775FD.
Where is Mode-S AA7C1B registered?
Mode-S code AA7C1B 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 AA7C1B broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA7C1B, octal 52476033, decimal 11,172,891.
What flights does AA7C1B operate?
Mode-S AA7C1B has broadcast 20 distinct callsigns, including FDX1559, FDX1487, FDX1570, FDX1347, FDX1370.