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sensors Mode-S transponder

A0CAB1

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N150FE · BOEING 767-300 · operated by FEDERAL EXPRESS CORP

Hex
A0CAB1
Octal
50145261
Decimal
10,537,649
Country
US
Tail
N150FE
Type
B763
No current signal · last broadcast Jul 25, 10:30 UTC
Flights observed
229
Distinct callsigns
20
Country
US
Last broadcast
Jul 25, 10:30 UTC

Last known position

Most recent position reported by Mode-S A0CAB1.

Country allocation

The ICAO 24-bit address A0CAB1 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
FDX82 - 6 2026-07-13
FDX89 - 5 2026-06-26
FDX762 - 5 2026-07-07
FDX436 FedEx Express 4 2026-04-29
FDX242 FedEx Express 4 2026-06-15
FDX1874 - 4 2026-07-17
FDX1400 - 4 2026-07-15
FDX764 FedEx Express 3 2026-04-27
FDX546 - 3 2026-07-15
FDX51 FedEx Express 3 2026-06-05
FDX358 - 3 2026-06-24
FDX1701 - 3 2026-07-01
FDX1684 FedEx Express 3 2026-05-07
FDX1492 FedEx Express 3 2026-07-25
FDX1404 - 3 2026-07-03
FDX1373 FedEx Express 3 2026-04-22
FDX979 FedEx Express 2 2026-05-07
FDX915 FedEx Express 2 2026-05-18
FDX876 - 2 2026-07-16
FDX825 FedEx Express 2 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 FDX1492 MEM → CLT Jul 25, 09:15 UTCJul 25, 10:30 UTC1h 15m
2026-07-24 FDX1203 PHX → MEM Jul 24, 01:25 UTCJul 24, 02:50 UTC1h 25m
2026-07-23 FDX1722 IND → PIT Jul 23, 08:55 UTCJul 23, 09:40 UTC45m
2026-07-23 FDX1618 MSP → IND Jul 23, 02:45 UTCJul 23, 03:50 UTC1h 5m
2026-07-22 FDX1622 PIT → IND Jul 22, 04:50 UTCJul 22, 10:25 UTC5h 35m
2026-07-22 FDX1622 PIT → IND Jul 22, 02:15 UTCJul 22, 03:10 UTC55m
2026-07-21 FDX1446 MEM → PIT Jul 21, 08:40 UTCJul 21, 10:00 UTC1h 20m
2026-07-21 FDX2361 SDF → MEM Jul 21, 04:35 UTCJul 21, 05:25 UTC50m
2026-07-20 FDX722 - Jul 20, 23:05 UTCJul 21, 00:00 UTC54m
2026-07-18 FDX1290 - Jul 18, 02:05 UTCJul 18, 05:20 UTC3h 16m
2026-07-17 FDX1874 - Jul 17, 11:30 UTCJul 17, 12:15 UTC45m
2026-07-17 FDX1874 OAK → LAS Jul 17, 09:30 UTCJul 17, 10:30 UTC1h 0m
2026-07-16 FDX568 - Jul 16, 20:35 UTCJul 17, 00:10 UTC3h 35m
2026-07-16 FDX876 - Jul 16, 13:10 UTCJul 16, 15:45 UTC2h 35m
2026-07-16 FDX876 SLC → MEM Jul 16, 13:10 UTCJul 16, 15:51 UTC2h 41m
2026-07-16 FDX1879 OAK → SLC Jul 16, 09:40 UTCJul 16, 10:59 UTC1h 20m
2026-07-16 FDX1801 - Jul 16, 04:35 UTCJul 16, 05:25 UTC50m
2026-07-15 FDX546 - Jul 15, 20:15 UTCJul 15, 23:20 UTC3h 5m
2026-07-15 FDX546 MEM → LAX Jul 15, 20:10 UTCJul 15, 23:17 UTC3h 7m
2026-07-15 FDX601 - Jul 15, 12:00 UTCJul 15, 13:40 UTC1h 40m
2026-07-15 FDX1400 - Jul 15, 08:25 UTCJul 15, 10:15 UTC1h 50m
2026-07-15 FDX141 - Jul 15, 02:05 UTCJul 15, 05:15 UTC3h 10m
2026-07-14 FDX140 - Jul 14, 09:20 UTCJul 14, 12:15 UTC2h 55m
2026-07-14 FDX140 MEM → YYC Jul 14, 09:15 UTCJul 14, 12:31 UTC3h 16m
2026-07-13 FDX82 - Jul 13, 08:20 UTCJul 14, 03:55 UTC19h 35m
2026-07-13 FDX82 - Jul 13, 08:10 UTCJul 14, 03:55 UTC19h 45m
2026-07-11 FDX1299 - Jul 11, 03:15 UTCJul 11, 04:15 UTC1h 0m
2026-07-10 FDX1425 - Jul 10, 08:15 UTCJul 10, 09:15 UTC1h 0m
2026-07-10 FDX1261 - Jul 10, 00:50 UTCJul 10, 02:40 UTC1h 50m
2026-07-09 FDX1707 - Jul 9, 08:10 UTCJul 9, 10:25 UTC2h 15m
2026-07-09 FDX1635 - Jul 9, 02:55 UTCJul 9, 04:00 UTC1h 5m
2026-07-08 FDX1492 - Jul 8, 09:00 UTCJul 8, 10:10 UTC1h 10m
2026-07-08 FDX2210 - Jul 8, 02:30 UTCJul 8, 03:45 UTC1h 15m
2026-07-07 FDX762 - Jul 7, 21:45 UTCJul 7, 23:10 UTC1h 25m
2026-07-07 FDX762 MEM → TPA Jul 7, 21:43 UTCJul 7, 23:08 UTC1h 25m
2026-07-07 FDX811 PHL → MEM Jul 7, 12:55 UTCJul 7, 14:30 UTC1h 35m
2026-07-07 FDX1542 - Jul 7, 09:45 UTCJul 7, 11:10 UTC1h 25m
2026-07-06 FDX66 - Jul 6, 20:40 UTCJul 7, 04:10 UTC7h 30m
2026-07-06 FDX9122 - Jul 6, 10:35 UTCJul 6, 17:25 UTC6h 50m
2026-07-04 FDX815 - Jul 4, 12:35 UTCJul 4, 15:40 UTC3h 5m
2026-07-03 FDX1404 - Jul 3, 08:00 UTCJul 3, 11:25 UTC3h 25m
2026-07-03 FDX1404 MEM → LAX Jul 3, 08:00 UTCJul 3, 11:25 UTC3h 25m
2026-07-03 FDX1263 - Jul 3, 03:40 UTCJul 3, 04:40 UTC1h 0m
2026-07-02 FDX762 TPA → ATL Jul 2, 23:30 UTCJul 3, 00:35 UTC1h 5m
2026-07-02 FDX762 TPA → ATL Jul 2, 23:27 UTCJul 3, 00:27 UTC1h 0m
2026-07-02 FDX762 - Jul 2, 20:50 UTCJul 2, 22:15 UTC1h 25m
2026-07-02 FDX404 - Jul 2, 11:40 UTCJul 2, 12:15 UTC35m
2026-07-02 FDX404 DTW → MEM Jul 2, 11:35 UTCJul 2, 13:03 UTC1h 28m
2026-07-02 FDX1711 - Jul 2, 08:25 UTCJul 2, 09:05 UTC40m
2026-07-02 FDX1711 IND → DTW Jul 2, 08:22 UTCJul 2, 09:02 UTC40m

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 N150FE page for operator, model, and routing details .

Mode-S A0CAB1 frequently asked

What is Mode-S code A0CAB1?
A0CAB1 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N150FE.
Where is Mode-S A0CAB1 registered?
Mode-S code A0CAB1 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 A0CAB1 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 10:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A0CAB1, octal 50145261, decimal 10,537,649.
What flights does A0CAB1 operate?
Mode-S A0CAB1 has broadcast 20 distinct callsigns, including FDX82, FDX89, FDX762, FDX436, FDX242.