Apparatus

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sensors Mode-S transponder

A091FD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N136FE · BOEING 767-300 · operated by FEDERAL EXPRESS CORP

Hex
A091FD
Octal
50110775
Decimal
10,523,133
Country
US
Tail
N136FE
Type
B763
No current signal · last broadcast 8h ago
Flights observed
82
Distinct callsigns
20
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S A091FD.

Country allocation

The ICAO 24-bit address A091FD 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
FDX697 FedEx Express 3 2026-04-16
FDX397 FedEx Express 3 2026-04-15
FDX1268 FedEx Express 3 2026-06-02
FDX915 FedEx Express 2 2026-06-01
FDX9111 FedEx Express 2 2026-05-18
FDX844 FedEx Express 2 2026-04-15
FDX789 FedEx Express 2 2026-05-24
FDX57 FedEx Express 2 2026-05-29
FDX446 FedEx Express 2 2026-05-17
FDX3884 FedEx Express 2 2026-04-14
FDX311 FedEx Express 2 2026-05-30
FDX1876 FedEx Express 2 2026-04-15
FDX1865 FedEx Express 2 2026-05-23
FDX1838 FedEx Express 2 2026-04-15
FDX1801 FedEx Express 2 2026-05-23
FDX1573 FedEx Express 2 2026-05-13
FDX1497 FedEx Express 2 2026-05-28
FDX148 FedEx Express 2 2026-05-15
FDX1359 FedEx Express 2 2026-05-14
FDX1253 FedEx Express 2 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 FDX1467 MEM → SDF Jun 2, 10:00 UTCJun 2, 10:55 UTC55m
2026-06-02 FDX1268 OAK → MEM Jun 2, 01:52 UTCJun 2, 05:28 UTC3h 36m
2026-06-02 FDX1268 OAK → MEM Jun 2, 01:55 UTCJun 2, 05:30 UTC3h 35m
2026-06-01 FDX915 MEM → GEG Jun 1, 01:40 UTCJun 1, 03:15 UTC1h 35m
2026-05-31 FDX915 MEM → GEG May 31, 21:00 UTCJun 1, 00:20 UTC3h 20m
2026-05-31 FDX882 LAX → IND May 31, 11:50 UTCMay 31, 15:10 UTC3h 20m
2026-05-30 FDX311 MEM → OAK May 30, 21:55 UTCMay 31, 00:50 UTC2h 55m
2026-05-30 FDX311 MEM → OAK May 30, 21:53 UTCMay 31, 01:50 UTC3h 57m
2026-05-30 FDX258 SDQ → MEM May 30, 13:35 UTCMay 30, 16:50 UTC3h 15m
2026-05-29 FDX57 MEM → BQN May 29, 09:15 UTCMay 29, 11:00 UTC1h 45m
2026-05-29 FDX57 MEM → BQN May 29, 09:10 UTCMay 29, 12:38 UTC3h 28m
2026-05-29 FDX1253 ABE → MEM May 29, 01:40 UTCMay 29, 03:35 UTC1h 55m
2026-05-28 FDX1497 MEM → ABE May 28, 08:50 UTCMay 28, 10:30 UTC1h 40m
2026-05-28 FDX1243 CLT → MEM May 28, 02:30 UTCMay 28, 03:40 UTC1h 10m
2026-05-27 FDX1729 IND → CLT May 27, 08:50 UTCMay 27, 09:50 UTC1h 0m
2026-05-27 FDX1684 FLL → IND May 27, 02:04 UTCMay 27, 04:09 UTC2h 5m
2026-05-24 FDX789 MEM → FLL May 24, 21:00 UTCMay 24, 21:45 UTC45m
2026-05-24 FDX789 MEM → FLL May 24, 20:57 UTCMay 24, 22:53 UTC1h 56m
2026-05-24 FDX428 PHX → MEM May 24, 13:40 UTCMay 24, 16:15 UTC2h 35m
2026-05-23 FDX1865 OAK → PHX May 23, 09:33 UTCMay 23, 10:59 UTC1h 26m
2026-05-23 FDX1865 OAK → PHX May 23, 09:35 UTCMay 23, 11:00 UTC1h 25m
2026-05-23 FDX1801 LAX → OAK May 23, 05:20 UTCMay 23, 06:15 UTC55m
2026-05-23 FDX1801 LAX → OAK May 23, 05:19 UTCMay 23, 06:11 UTC52m
2026-05-22 FDX1742 IND → LAX May 22, 07:40 UTCMay 22, 11:40 UTC4h 0m
2026-05-22 FDX1603 ATL → IND May 22, 03:40 UTCMay 22, 04:40 UTC1h 0m
2026-05-21 FDX1774 IND → ATL May 21, 08:35 UTCMay 21, 09:35 UTC1h 0m
2026-05-21 FDX1625 ELP → IND May 21, 01:50 UTCMay 21, 04:10 UTC2h 20m
2026-05-20 FDX1188 SAT → ELP May 20, 10:20 UTCMay 20, 11:25 UTC1h 5m
2026-05-20 FDX1188 SAT → ELP May 20, 08:25 UTCMay 20, 09:10 UTC45m
2026-05-20 FDX1124 ATL → AFW May 20, 03:52 UTCMay 20, 05:35 UTC1h 43m
2026-05-20 FDX1124 ATL → AFW May 20, 03:55 UTCMay 20, 05:35 UTC1h 41m
2026-05-19 FDX1421 MEM → ATL May 19, 07:45 UTCMay 19, 08:30 UTC45m
2026-05-18 FDX9111 YEG → MEM May 18, 15:30 UTCMay 18, 19:00 UTC3h 29m
2026-05-18 FDX9111 YEG → MEM May 18, 15:25 UTCMay 18, 19:09 UTC3h 44m
2026-05-18 FDX234 MEM → YEG May 18, 09:15 UTCMay 18, 12:40 UTC3h 25m
2026-05-17 FDX446 LAX → MEM May 17, 12:01 UTCMay 17, 15:01 UTC3h 0m
2026-05-17 FDX446 LAX → MEM May 17, 11:56 UTCMay 17, 15:05 UTC3h 9m
2026-05-16 FDX3745 IND → LAX May 16, 20:35 UTCMay 17, 00:30 UTC3h 55m
2026-05-16 FDX9151 CDG → MEM May 16, 00:15 UTCMay 16, 01:15 UTC1h 0m
2026-05-15 FDX148 MEM → YYZ May 15, 08:40 UTCMay 15, 10:30 UTC1h 50m
2026-05-15 FDX148 MEM → YYZ May 15, 08:38 UTCMay 15, 10:26 UTC1h 48m
2026-05-15 FDX1216 PDX → MEM May 15, 02:10 UTCMay 15, 05:35 UTC3h 25m
2026-05-14 FDX382 PDX → OAK May 14, 19:35 UTCMay 14, 23:50 UTC4h 15m
2026-05-14 FDX1359 FAT → SBD May 14, 02:10 UTCMay 14, 05:05 UTC2h 55m
2026-05-14 FDX1359 FAT → SBD May 14, 00:15 UTCMay 14, 00:55 UTC40m
2026-05-13 FDX1573 ICT → FAT May 13, 13:20 UTCMay 13, 13:45 UTC25m
2026-05-13 FDX1573 ICT → FAT May 13, 08:40 UTCMay 13, 11:40 UTC3h 0m
2026-05-13 FDX139 YVR → MEM May 13, 01:20 UTCMay 13, 04:55 UTC3h 35m
2026-05-12 FDX142 MEM → YVR May 12, 09:40 UTCMay 12, 13:51 UTC4h 10m
2026-05-07 FDX1226 JAX → MEM May 7, 01:50 UTCMay 7, 03:55 UTC2h 5m

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 N136FE page for operator, model, and routing details .

Mode-S A091FD frequently asked

What is Mode-S code A091FD?
A091FD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N136FE.
Where is Mode-S A091FD registered?
Mode-S code A091FD 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 A091FD broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A091FD, octal 50110775, decimal 10,523,133.
What flights does A091FD operate?
Mode-S A091FD has broadcast 20 distinct callsigns, including FDX697, FDX397, FDX1268, FDX915, FDX9111.