Apparatus

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sensors Mode-S transponder

A17B40

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N195FE · BOEING 767-300 · operated by FEDERAL EXPRESS CORP

Hex
A17B40
Octal
50275500
Decimal
10,582,848
Country
US
Tail
N195FE
Type
B763
No current signal · last broadcast 15h ago
Flights observed
163
Distinct callsigns
20
Country
US
Last broadcast
15h ago

Last known position

Most recent position reported by Mode-S A17B40.

Country allocation

The ICAO 24-bit address A17B40 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
FDX1705 FedEx Express 7 2026-06-10
FDX1378 FedEx Express 5 2026-06-12
FDX590 - 3 2026-07-06
FDX1874 FedEx Express 3 2026-05-13
FDX1853 - 3 2026-07-07
FDX1840 FedEx Express 3 2026-04-22
FDX1731 - 3 2026-07-14
FDX1377 - 3 2026-07-01
FDX864 FedEx Express 2 2026-05-06
FDX785 FedEx Express 2 2026-07-08
FDX764 FedEx Express 2 2026-05-06
FDX755 FedEx Express 2 2026-05-05
FDX698 - 2 2026-07-07
FDX58 - 2 2026-06-27
FDX568 - 2 2026-07-14
FDX468 - 2 2026-07-14
FDX451 - 2 2026-07-11
FDX1876 - 2 2026-06-26
FDX1838 - 2 2026-07-07
FDX1803 - 2 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 FDX1523 - Jul 17, 09:30 UTCJul 17, 10:10 UTC40m
2026-07-17 FDX1523 MEM → STL Jul 17, 09:25 UTCJul 17, 10:05 UTC40m
2026-07-17 FDX2209 MCO → MEM Jul 17, 01:55 UTCJul 17, 03:30 UTC1h 35m
2026-07-16 FDX358 - Jul 16, 21:25 UTCJul 16, 22:59 UTC1h 35m
2026-07-16 FDX612 - Jul 16, 12:05 UTCJul 16, 13:40 UTC1h 35m
2026-07-16 FDX1410 - Jul 16, 08:15 UTCJul 16, 09:40 UTC1h 25m
2026-07-16 FDX131 - Jul 16, 01:45 UTCJul 16, 04:00 UTC2h 15m
2026-07-15 FDX130 - Jul 15, 08:50 UTCJul 15, 11:05 UTC2h 15m
2026-07-15 FDX1268 - Jul 15, 02:10 UTCJul 15, 05:45 UTC3h 35m
2026-07-14 FDX568 - Jul 14, 19:55 UTCJul 14, 23:25 UTC3h 29m
2026-07-14 FDX468 - Jul 14, 11:50 UTCJul 14, 13:05 UTC1h 15m
2026-07-14 FDX1731 - Jul 14, 09:25 UTCJul 14, 10:10 UTC45m
2026-07-14 FDX1618 MSP → IND Jul 14, 03:00 UTCJul 14, 04:10 UTC1h 10m
2026-07-12 FDX798 - Jul 12, 21:45 UTCJul 12, 23:20 UTC1h 35m
2026-07-11 FDX451 - Jul 11, 12:40 UTCJul 11, 15:50 UTC3h 10m
2026-07-10 FDX1151 - Jul 10, 08:35 UTCJul 10, 11:05 UTC2h 30m
2026-07-10 FDX1107 ORD → AFW Jul 10, 04:35 UTCJul 10, 06:20 UTC1h 45m
2026-07-10 FDX1107 ORD → AFW Jul 10, 04:30 UTCJul 10, 06:20 UTC1h 50m
2026-07-09 FDX304 - Jul 9, 22:50 UTCJul 10, 00:30 UTC1h 40m
2026-07-09 FDX468 - Jul 9, 12:20 UTCJul 9, 13:40 UTC1h 20m
2026-07-09 FDX1731 - Jul 9, 08:55 UTCJul 9, 09:35 UTC40m
2026-07-09 FDX1731 IND → CLE Jul 9, 08:52 UTCJul 9, 09:35 UTC43m
2026-07-09 FDX1685 RDU → IND Jul 9, 02:45 UTCJul 9, 04:00 UTC1h 15m
2026-07-08 FDX785 MEM → RDU Jul 8, 12:50 UTCJul 8, 13:10 UTC20m
2026-07-07 FDX785 MEM → RDU Jul 7, 21:45 UTCJul 8, 00:10 UTC2h 25m
2026-07-07 FDX698 - Jul 7, 13:40 UTCJul 7, 16:45 UTC3h 5m
2026-07-07 FDX1853 OAK → ONT Jul 7, 09:47 UTCJul 7, 10:39 UTC52m
2026-07-07 FDX1853 OAK → ONT Jul 7, 09:50 UTCJul 7, 10:45 UTC55m
2026-07-07 FDX1838 SEA → OAK Jul 7, 03:59 UTCJul 7, 05:37 UTC1h 38m
2026-07-07 FDX1838 SEA → OAK Jul 7, 04:00 UTCJul 7, 05:40 UTC1h 40m
2026-07-06 FDX590 PDX → SEA Jul 6, 02:13 UTCJul 6, 02:40 UTC27m
2026-07-06 FDX590 PDX → SEA Jul 6, 02:15 UTCJul 6, 02:40 UTC25m
2026-07-05 FDX590 - Jul 5, 21:00 UTCJul 6, 00:45 UTC3h 45m
2026-07-04 FDX141 - Jul 4, 01:45 UTCJul 4, 05:05 UTC3h 20m
2026-07-03 FDX140 - Jul 3, 09:10 UTCJul 3, 12:35 UTC3h 25m
2026-07-03 FDX1221 - Jul 3, 02:10 UTCJul 3, 03:10 UTC1h 0m
2026-07-02 FDX1421 - Jul 2, 07:50 UTCJul 2, 08:40 UTC50m
2026-07-01 FDX1377 - Jul 1, 02:25 UTCJul 1, 04:10 UTC1h 45m
2026-06-30 FDX3700 - Jun 30, 22:05 UTCJun 30, 23:25 UTC1h 20m
2026-06-30 FDX3617 - Jun 30, 14:20 UTCJun 30, 17:55 UTC3h 35m
2026-06-30 FDX1750 - Jun 30, 08:45 UTCJun 30, 12:40 UTC3h 55m
2026-06-30 FDX1602 ORD → IND Jun 30, 03:20 UTCJun 30, 03:55 UTC35m
2026-06-27 FDX1405 - Jun 27, 09:15 UTCJun 27, 10:25 UTC1h 10m
2026-06-27 FDX58 BQN → MEM Jun 27, 02:19 UTCJun 27, 05:55 UTC3h 36m
2026-06-26 FDX58 - Jun 26, 20:04 UTCJun 27, 05:55 UTC9h 50m
2026-06-26 FDX855 LAX → MEM Jun 26, 12:55 UTCJun 26, 16:00 UTC3h 5m
2026-06-26 FDX1876 OAK → LAX Jun 26, 09:14 UTCJun 26, 10:05 UTC50m
2026-06-26 FDX1803 ONT → OAK Jun 26, 04:39 UTCJun 26, 05:35 UTC55m
2026-06-25 FDX1701 - Jun 25, 08:14 UTCJun 25, 11:54 UTC3h 40m
2026-06-25 FDX1622 - Jun 25, 02:35 UTCJun 25, 03:24 UTC50m

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 N195FE page for operator, model, and routing details .

Mode-S A17B40 frequently asked

What is Mode-S code A17B40?
A17B40 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N195FE.
Where is Mode-S A17B40 registered?
Mode-S code A17B40 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 A17B40 broadcasting right now?
No active broadcast right now. Last signal was 15h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A17B40, octal 50275500, decimal 10,582,848.
What flights does A17B40 operate?
Mode-S A17B40 has broadcast 20 distinct callsigns, including FDX1705, FDX1378, FDX590, FDX1874, FDX1853.