sensors Mode-S transponder

AC50FA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N893FD · BOEING 777-200LR · operated by FEDERAL EXPRESS CORP

Hex
AC50FA
Octal
53050372
Decimal
11,292,922
Country
US
Tail
N893FD
Type
B77L
No current signal · last broadcast 9h ago
Flights observed
228
Distinct callsigns
20
Country
US
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S AC50FA.

Country allocation

The ICAO 24-bit address AC50FA 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
FDX6014 - 9 2026-06-25
FDX5236 FedEx Express 9 2026-05-15
FDX6092 FedEx Express 7 2026-04-28
FDX6018 - 7 2026-04-14
FDX5161 FedEx Express 6 2026-06-06
FDX9793 FedEx Express 5 2026-05-28
FDX75 FedEx Express 5 2026-06-15
FDX6030 FedEx Express 5 2026-05-06
FDX6013 - 5 2026-06-24
FDX5030 - 5 2026-07-04
FDX81 FedEx Express 4 2026-04-25
FDX77 - 4 2026-06-30
FDX5991 - 4 2026-07-13
FDX5601 - 4 2026-06-17
FDX5230 FedEx Express 4 2026-06-09
FDX6028 - 3 2026-06-30
FDX6015 - 3 2026-05-15
FDX6011 - 3 2026-06-29
FDX60 FedEx Express 3 2026-05-06
FDX5928 - 3 2026-06-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 FDX5991 - Jul 13, 19:45 UTCJul 13, 21:00 UTC1h 15m
2026-07-13 FDX14D TPE → KIX Jul 13, 15:05 UTCJul 13, 17:15 UTC2h 10m
2026-07-12 FDX5142 - Jul 12, 23:35 UTCJul 13, 01:20 UTC1h 45m
2026-07-12 FDX5152 - Jul 12, 17:35 UTCJul 12, 19:10 UTC1h 35m
2026-07-11 FDX9076 - Jul 11, 09:25 UTCJul 11, 13:30 UTC4h 5m
2026-07-10 FDX5124 - Jul 10, 09:25 UTCJul 10, 17:30 UTC8h 5m
2026-07-09 FDX5262 - Jul 9, 17:20 UTCJul 10, 05:40 UTC12h 20m
2026-07-09 FDX5282 KIX → KIX Jul 9, 08:25 UTCJul 9, 14:50 UTC6h 25m
2026-07-08 FDX9867 - Jul 8, 15:10 UTCJul 9, 05:15 UTC14h 5m
2026-07-07 FDX5210 - Jul 7, 17:35 UTCJul 8, 11:35 UTC18h 0m
2026-07-07 FDX5282 - Jul 7, 08:45 UTCJul 7, 14:30 UTC5h 45m
2026-07-06 FDX5119 ANC → KIX Jul 6, 18:00 UTCJul 7, 01:45 UTC7h 45m
2026-07-06 FDX5119 - Jul 6, 07:35 UTCJul 6, 13:50 UTC6h 15m
2026-07-05 FDX5080 KIX → MEM Jul 5, 17:00 UTCJul 5, 18:10 UTC1h 10m
2026-07-05 FDX5080 KIX → MEM Jul 5, 17:00 UTCJul 6, 04:59 UTC11h 59m
2026-07-05 FDX5080 KIX → MEM Jul 5, 05:00 UTCJul 5, 12:20 UTC7h 20m
2026-07-04 FDX9008 - Jul 4, 16:40 UTCJul 5, 02:50 UTC10h 10m
2026-07-04 FDX5030 - Jul 4, 10:55 UTCJul 4, 13:55 UTC3h 0m
2026-07-04 FDX5030 - Jul 4, 06:05 UTCJul 4, 08:15 UTC2h 10m
2026-07-03 FDX6041 - Jul 3, 04:45 UTCJul 3, 08:50 UTC4h 5m
2026-07-02 FDX5809 - Jul 2, 22:05 UTCJul 2, 22:50 UTC45m
2026-07-02 FDX5809 - Jul 2, 19:20 UTCJul 2, 20:05 UTC45m
2026-07-02 FDX34 - Jul 2, 08:50 UTCJul 2, 16:05 UTC7h 15m
2026-07-01 FDX5924 - Jul 1, 17:35 UTCJul 2, 05:25 UTC11h 50m
2026-07-01 FDX5924 ICN → KIX Jul 1, 13:15 UTCJul 1, 14:35 UTC1h 20m
2026-07-01 FDX5924 - Jul 1, 10:25 UTCJul 1, 10:45 UTC20m
2026-07-01 FDX5819 - Jul 1, 04:35 UTCJul 1, 06:00 UTC1h 25m
2026-06-30 FDX6028 - Jun 30, 22:05 UTCJun 30, 22:55 UTC50m
2026-06-30 FDX77 - Jun 30, 17:05 UTCJun 30, 17:20 UTC15m
2026-06-30 FDX77 - Jun 30, 08:30 UTCJun 30, 16:10 UTC7h 40m
2026-06-29 FDX6040 CAN → SYD Jun 29, 21:34 UTCJun 30, 06:00 UTC8h 26m
2026-06-29 FDX6011 - Jun 29, 07:30 UTCJun 29, 09:10 UTC1h 40m
2026-06-29 FDX6011 - Jun 29, 07:30 UTCJun 29, 18:05 UTC10h 35m
2026-06-28 FDX6011 - Jun 28, 20:25 UTCJun 29, 02:20 UTC5h 55m
2026-06-28 FDX6034 - Jun 28, 01:10 UTCJun 28, 12:55 UTC11h 45m
2026-06-27 FDX14 - Jun 27, 13:20 UTCJun 27, 15:19 UTC2h 0m
2026-06-26 FDX49 - Jun 26, 19:14 UTCJun 27, 05:11 UTC9h 57m
2026-06-26 FDX49 - Jun 26, 19:14 UTCJun 26, 20:50 UTC1h 35m
2026-06-26 FDX195 OAK → ANC Jun 26, 10:35 UTCJun 26, 14:29 UTC3h 55m
2026-06-25 FDX3702 - Jun 25, 21:20 UTCJun 26, 01:24 UTC4h 5m
2026-06-25 FDX6014 ANC → IND Jun 25, 10:45 UTCJun 25, 16:20 UTC5h 35m
2026-06-25 FDX6014 - Jun 25, 00:29 UTCJun 25, 08:14 UTC7h 45m
2026-06-24 FDX6013 - Jun 24, 19:20 UTCJun 24, 19:55 UTC35m
2026-06-24 FDX6013 - Jun 24, 10:10 UTCJun 24, 18:29 UTC8h 20m
2026-06-23 FDX6087 OAK → SYD Jun 23, 16:06 UTCJun 24, 06:34 UTC14h 28m
2026-06-23 FDX6087 OAK → SYD Jun 23, 16:09 UTCJun 24, 06:45 UTC14h 35m
2026-06-23 FDX5044 - Jun 23, 10:15 UTCJun 23, 13:55 UTC3h 40m
2026-06-23 FDX1223 - Jun 23, 02:29 UTCJun 23, 05:39 UTC3h 10m
2026-06-21 FDX710 - Jun 21, 21:34 UTCJun 22, 01:49 UTC4h 15m
2026-06-21 FDX6034 KIX → MEM Jun 21, 00:25 UTCJun 21, 13:00 UTC12h 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 N893FD page for operator, model, and routing details .

Mode-S AC50FA frequently asked

What is Mode-S code AC50FA?
AC50FA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N893FD.
Where is Mode-S AC50FA registered?
Mode-S code AC50FA 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 AC50FA broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC50FA, octal 53050372, decimal 11,292,922.
What flights does AC50FA operate?
Mode-S AC50FA has broadcast 20 distinct callsigns, including FDX6014, FDX5236, FDX6092, FDX6018, FDX5161.