Apparatus

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sensors Mode-S transponder

AB805A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N840FD · BOEING 777-200LR · operated by FEDERAL EXPRESS CORP

Hex
AB805A
Octal
52700132
Decimal
11,239,514
Country
US
Tail
N840FD
Type
B77L
No current signal · last broadcast Jul 26, 10:50 UTC
Flights observed
278
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 10:50 UTC

Last known position

Most recent position reported by Mode-S AB805A.

Country allocation

The ICAO 24-bit address AB805A 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
FDX6092 FedEx Express 12 2026-07-21
FDX5230 FedEx Express 12 2026-05-27
FDX5601 - 11 2026-07-10
FDX19 - 11 2026-07-15
FDX22 FedEx Express 9 2026-06-24
FDX6030 FedEx Express 7 2026-07-23
FDX5928 - 7 2026-07-16
FDX77 - 6 2026-07-18
FDX5991 FedEx Express 6 2026-05-11
FDX29 FedEx Express 6 2026-05-28
FDX87 FedEx Express 5 2026-05-03
FDX1413 - 5 2026-07-01
FDX6856 - 4 2026-07-25
FDX6127 - 4 2026-07-26
FDX6126 - 4 2026-07-26
FDX6031 FedEx Express 4 2026-07-25
FDX5960 - 4 2026-07-20
FDX5419 - 4 2026-06-22
FDX5140 FedEx Express 4 2026-07-26
FDX1875 FedEx Express 4 2026-05-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 FDX6126 - Jul 26, 08:35 UTCJul 26, 10:45 UTC2h 10m
2026-07-26 FDX6127 - Jul 26, 04:45 UTCJul 26, 06:45 UTC2h 1m
2026-07-26 FDX5140 ANC → IND Jul 26, 00:50 UTCJul 26, 02:20 UTC1h 30m
2026-07-25 FDX6856 - Jul 25, 21:00 UTCJul 25, 22:45 UTC1h 45m
2026-07-25 FDX6031 ANC → CAN Jul 25, 07:15 UTCJul 25, 17:39 UTC10h 24m
2026-07-25 FDX6031 ANC → CAN Jul 25, 07:15 UTCJul 25, 09:10 UTC1h 55m
2026-07-24 FDX9162 MEM → ANC Jul 24, 20:40 UTCJul 25, 03:15 UTC6h 35m
2026-07-24 FDX649 EWR → MEM Jul 24, 11:50 UTCJul 24, 13:50 UTC2h 0m
2026-07-24 FDX1402 MEM → EWR Jul 24, 08:05 UTCJul 24, 10:00 UTC1h 55m
2026-07-23 FDX6030 ANC → EWR Jul 23, 14:50 UTCJul 23, 20:15 UTC5h 25m
2026-07-23 FDX6030 ANC → EWR Jul 23, 06:45 UTCJul 23, 12:55 UTC6h 10m
2026-07-22 FDX6030 ANC → EWR Jul 22, 22:30 UTCJul 23, 00:15 UTC1h 45m
2026-07-22 FDX6041 - Jul 22, 04:55 UTCJul 22, 22:30 UTC17h 35m
2026-07-21 FDX5217 CDG → MEM Jul 21, 19:30 UTCJul 21, 20:05 UTC35m
2026-07-21 FDX6092 DWC → BLR Jul 21, 15:50 UTCJul 21, 16:40 UTC50m
2026-07-21 FDX6092 DWC → BLR Jul 21, 07:30 UTCJul 21, 13:40 UTC6h 10m
2026-07-21 FDX6092 DWC → BLR Jul 21, 04:15 UTCJul 21, 04:25 UTC10m
2026-07-20 FDX6092 DWC → BLR Jul 20, 21:20 UTCJul 21, 02:00 UTC4h 39m
2026-07-20 FDX5960 - Jul 20, 18:00 UTCJul 20, 18:35 UTC35m
2026-07-20 FDX5960 - Jul 20, 16:45 UTCJul 20, 17:15 UTC30m
2026-07-20 FDX5196 - Jul 20, 13:05 UTCJul 20, 15:00 UTC1h 55m
2026-07-19 FDX6126 ICN → TPE Jul 19, 09:10 UTCJul 19, 11:15 UTC2h 5m
2026-07-19 FDX6127 TPE → ICN Jul 19, 04:45 UTCJul 19, 06:50 UTC2h 5m
2026-07-19 FDX5140 ANC → IND Jul 19, 00:25 UTCJul 19, 02:00 UTC1h 35m
2026-07-18 FDX6856 - Jul 18, 21:00 UTCJul 18, 22:30 UTC1h 30m
2026-07-18 FDX77 - Jul 18, 09:40 UTCJul 18, 18:25 UTC8h 45m
2026-07-17 FDX6040 CAN → SYD Jul 17, 21:15 UTCJul 18, 05:40 UTC8h 26m
2026-07-17 FDX5153 - Jul 17, 12:55 UTCJul 17, 14:20 UTC1h 25m
2026-07-16 FDX60 - Jul 16, 16:19 UTCJul 16, 22:45 UTC6h 25m
2026-07-16 FDX5928 - Jul 16, 13:25 UTCJul 16, 14:35 UTC1h 10m
2026-07-16 FDX5928 - Jul 16, 10:15 UTCJul 16, 10:40 UTC25m
2026-07-16 FDX5928 - Jul 16, 09:25 UTCJul 16, 09:35 UTC10m
2026-07-16 FDX5819 - Jul 16, 05:10 UTCJul 16, 06:40 UTC1h 30m
2026-07-15 FDX19 - Jul 15, 19:10 UTCJul 16, 02:25 UTC7h 15m
2026-07-15 FDX19 - Jul 15, 08:50 UTCJul 15, 14:55 UTC6h 5m
2026-07-14 FDX6030 - Jul 14, 21:10 UTCJul 14, 23:10 UTC1h 59m
2026-07-14 FDX6030 ANC → EWR Jul 14, 13:15 UTCJul 14, 19:10 UTC5h 55m
2026-07-14 FDX6030 - Jul 14, 04:40 UTCJul 14, 11:00 UTC6h 20m
2026-07-14 FDX6030 - Jul 14, 00:55 UTCJul 14, 02:40 UTC1h 45m
2026-07-13 FDX5199 - Jul 13, 14:25 UTCJul 13, 15:15 UTC50m
2026-07-12 FDX6076 KIX → KIX Jul 12, 15:45 UTCJul 13, 01:10 UTC9h 25m
2026-07-12 FDX5286 - Jul 12, 05:30 UTCJul 12, 13:10 UTC7h 40m
2026-07-10 FDX5601 - Jul 10, 22:40 UTCJul 10, 23:00 UTC20m
2026-07-10 FDX5601 - Jul 10, 09:40 UTCJul 10, 10:05 UTC25m
2026-07-10 FDX5601 SIN → ANC Jul 10, 09:35 UTCJul 10, 22:24 UTC12h 49m
2026-07-10 FDX5313 - Jul 10, 05:20 UTCJul 10, 05:45 UTC25m
2026-07-09 FDX5313 - Jul 9, 17:15 UTCJul 10, 02:30 UTC9h 15m
2026-07-09 FDX5313 - Jul 9, 09:00 UTCJul 9, 15:15 UTC6h 15m
2026-07-08 FDX7 MXP → MEM Jul 8, 18:20 UTCJul 9, 04:10 UTC9h 50m
2026-07-08 FDX7 MXP → MEM Jul 8, 07:30 UTCJul 8, 15:50 UTC8h 20m

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 N840FD page for operator, model, and routing details .

Mode-S AB805A frequently asked

What is Mode-S code AB805A?
AB805A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N840FD.
Where is Mode-S AB805A registered?
Mode-S code AB805A 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 AB805A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 10:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB805A, octal 52700132, decimal 11,239,514.
What flights does AB805A operate?
Mode-S AB805A has broadcast 20 distinct callsigns, including FDX6092, FDX5230, FDX5601, FDX19, FDX22.