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sensors Mode-S transponder

A87F41

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N647AE · EMBRAER ERJ-145 · operated by AMERICAN AIRLINES INC

Hex
A87F41
Octal
52077501
Decimal
11,042,625
Country
US
Tail
N647AE
Type
E145
No current signal · last broadcast 1h ago
Flights observed
803
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A87F41.

Country allocation

The ICAO 24-bit address A87F41 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
PDT6098 - 17 2026-06-28
PDT6128 - 12 2026-07-10
PDT6001 - 11 2026-06-30
PDT6114 - 10 2026-07-14
PDT6048 - 10 2026-07-12
PDT6118 - 9 2026-06-26
PDT6046 Piedmont Airlines 9 2026-06-09
PDT5974 - 9 2026-07-07
PDT5884 Piedmont Airlines 9 2026-05-20
PDT6125 - 8 2026-07-04
PDT6119 - 8 2026-07-09
PDT5997 - 8 2026-06-17
PDT5976 - 8 2026-07-04
PDT5953 Piedmont Airlines 8 2026-06-08
PDT5916 - 8 2026-07-10
PDT5845 - 8 2026-06-26
PDT6126 - 7 2026-06-23
PDT6117 - 7 2026-07-13
PDT6058 Piedmont Airlines 7 2026-05-14
PDT6016 - 7 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 PDT5806 - Jul 14, 19:45 UTCJul 14, 20:15 UTC30m
2026-07-14 PDT5806 - Jul 14, 17:45 UTCJul 14, 18:35 UTC50m
2026-07-14 PDT5869 - Jul 14, 15:30 UTCJul 14, 16:15 UTC45m
2026-07-14 PDT5869 PHF → CLT Jul 14, 15:26 UTCJul 14, 16:21 UTC55m
2026-07-14 PDT5869 - Jul 14, 13:50 UTCJul 14, 14:35 UTC45m
2026-07-14 PDT6010 - Jul 14, 10:15 UTCJul 14, 11:20 UTC1h 5m
2026-07-14 PDT5945 - Jul 14, 02:00 UTCJul 14, 02:20 UTC20m
2026-07-14 PDT6114 - Jul 14, 00:00 UTCJul 14, 00:55 UTC55m
2026-07-13 PDT6114 - Jul 13, 21:45 UTCJul 13, 22:40 UTC55m
2026-07-13 PDT6132 - Jul 13, 18:50 UTCJul 13, 20:15 UTC1h 25m
2026-07-13 PDT6132 PHL → GSP Jul 13, 16:30 UTCJul 13, 17:55 UTC1h 25m
2026-07-13 PDT6117 - Jul 13, 14:20 UTCJul 13, 14:40 UTC20m
2026-07-13 PDT6117 MDT → PHL Jul 13, 14:18 UTCJul 13, 14:39 UTC21m
2026-07-13 PDT5836 - Jul 13, 12:15 UTCJul 13, 13:20 UTC1h 5m
2026-07-13 PDT5836 CLT → MDT Jul 13, 12:14 UTCJul 13, 13:16 UTC1h 2m
2026-07-13 PDT5984 - Jul 13, 09:25 UTCJul 13, 10:05 UTC40m
2026-07-13 PDT5984 TRI → CLT Jul 13, 09:20 UTCJul 13, 10:05 UTC45m
2026-07-13 PDT5912 - Jul 13, 01:20 UTCJul 13, 01:40 UTC20m
2026-07-12 PDT6051 CHA → CLT Jul 12, 22:35 UTCJul 12, 23:23 UTC48m
2026-07-12 PDT6051 - Jul 12, 19:05 UTCJul 12, 19:50 UTC45m
2026-07-12 PDT6075 - Jul 12, 17:05 UTCJul 12, 17:35 UTC30m
2026-07-12 PDT6075 FAY → CLT Jul 12, 17:01 UTCJul 12, 17:32 UTC31m
2026-07-12 PDT6075 - Jul 12, 15:45 UTCJul 12, 16:05 UTC20m
2026-07-12 PDT6048 - Jul 12, 12:55 UTCJul 12, 13:15 UTC20m
2026-07-12 PDT6048 - Jul 12, 11:45 UTCJul 12, 12:10 UTC25m
2026-07-12 PDT5842 - Jul 12, 09:15 UTCJul 12, 09:50 UTC35m
2026-07-12 PDT5913 - Jul 12, 03:35 UTCJul 12, 04:05 UTC30m
2026-07-12 PDT5811 - Jul 12, 00:25 UTCJul 12, 01:20 UTC55m
2026-07-11 PDT5811 - Jul 11, 22:15 UTCJul 11, 23:10 UTC55m
2026-07-11 PDT5868 - Jul 11, 19:35 UTCJul 11, 20:25 UTC50m
2026-07-11 PDT5868 - Jul 11, 17:40 UTCJul 11, 18:35 UTC55m
2026-07-11 PDT6042 - Jul 11, 15:35 UTCJul 11, 15:55 UTC20m
2026-07-11 PDT6042 - Jul 11, 14:10 UTCJul 11, 14:30 UTC20m
2026-07-11 PDT5981 - Jul 11, 11:45 UTCJul 11, 12:10 UTC25m
2026-07-11 PDT5991 - Jul 11, 03:25 UTCJul 11, 03:55 UTC30m
2026-07-11 PDT5991 CLT → AGS Jul 11, 03:24 UTCJul 11, 03:58 UTC34m
2026-07-11 PDT5811 - Jul 11, 00:50 UTCJul 11, 01:50 UTC1h 0m
2026-07-10 PDT5811 - Jul 10, 23:00 UTCJul 10, 23:55 UTC55m
2026-07-10 PDT6128 - Jul 10, 20:35 UTCJul 10, 21:30 UTC55m
2026-07-10 PDT6128 - Jul 10, 18:10 UTCJul 10, 18:45 UTC35m
2026-07-10 PDT5916 - Jul 10, 15:35 UTCJul 10, 16:35 UTC1h 0m
2026-07-10 PDT5916 SBY → CLT Jul 10, 15:32 UTCJul 10, 16:33 UTC1h 1m
2026-07-10 PDT5916 - Jul 10, 13:25 UTCJul 10, 14:25 UTC1h 0m
2026-07-10 PDT5808 - Jul 10, 10:40 UTCJul 10, 11:40 UTC1h 0m
2026-07-10 PDT5818 - Jul 10, 01:40 UTCJul 10, 02:45 UTC1h 5m
2026-07-09 PDT6119 - Jul 9, 22:25 UTCJul 9, 23:40 UTC1h 15m
2026-07-09 PDT6119 JAN → CLT Jul 9, 22:12 UTCJul 9, 23:44 UTC1h 32m
2026-07-09 PDT6119 - Jul 9, 19:55 UTCJul 9, 21:05 UTC1h 10m
2026-07-09 PDT9983 - Jul 9, 15:15 UTCJul 9, 16:20 UTC1h 5m
2026-07-09 PDT9981 - Jul 9, 13:30 UTCJul 9, 14:15 UTC45m

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 N647AE page for operator, model, and routing details .

Mode-S A87F41 frequently asked

What is Mode-S code A87F41?
A87F41 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N647AE.
Where is Mode-S A87F41 registered?
Mode-S code A87F41 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 A87F41 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A87F41, octal 52077501, decimal 11,042,625.
What flights does A87F41 operate?
Mode-S A87F41 has broadcast 20 distinct callsigns, including PDT6098, PDT6128, PDT6001, PDT6114, PDT6048.