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sensors Mode-S transponder

A87913

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N645P · operated by AZUL SERVICES LLC

Hex
A87913
Octal
52074423
Decimal
11,041,043
Country
US
Tail
N645P
Type
C172
Broadcasting now · callsign N645P · 2,300 ft
Flights observed
266
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 22:00 UTC

Current position

A87913 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A87913 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 1 distinct

Callsign Airline Flights Last seen
N645P - 266 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N645P OJC → OJC Jul 26, 20:50 UTCJul 26, 22:00 UTC1h 10m
2026-07-26 N645P - Jul 26, 18:40 UTCJul 26, 19:55 UTC1h 15m
2026-07-26 N645P - Jul 26, 16:45 UTCJul 26, 17:55 UTC1h 10m
2026-07-26 N645P - Jul 26, 14:55 UTCJul 26, 16:00 UTC1h 5m
2026-07-25 N645P OJC → OJC Jul 25, 22:35 UTCJul 25, 23:10 UTC35m
2026-07-25 N645P - Jul 25, 18:40 UTCJul 25, 20:30 UTC1h 50m
2026-07-25 N645P OJC → OJC Jul 25, 16:40 UTCJul 25, 17:40 UTC1h 0m
2026-07-25 N645P - Jul 25, 14:50 UTCJul 25, 15:50 UTC1h 0m
2026-07-24 N645P - Jul 24, 00:35 UTCJul 24, 01:45 UTC1h 10m
2026-07-23 N645P - Jul 23, 22:35 UTCJul 23, 23:35 UTC1h 0m
2026-07-23 N645P - Jul 23, 20:50 UTCJul 23, 22:00 UTC1h 10m
2026-07-23 N645P - Jul 23, 19:00 UTCJul 23, 19:50 UTC50m
2026-07-23 N645P - Jul 23, 16:20 UTCJul 23, 16:40 UTC20m
2026-07-23 N645P - Jul 23, 14:10 UTCJul 23, 14:30 UTC20m
2026-07-22 N645P - Jul 22, 21:00 UTCJul 22, 22:15 UTC1h 15m
2026-07-22 N645P - Jul 22, 18:35 UTCJul 22, 18:55 UTC20m
2026-07-22 N645P - Jul 22, 16:25 UTCJul 22, 17:10 UTC45m
2026-07-22 N645P - Jul 22, 12:25 UTCJul 22, 12:45 UTC20m
2026-07-21 N645P OJC → OJC Jul 21, 20:55 UTCJul 21, 22:15 UTC1h 20m
2026-07-19 N645P OJC → OJC Jul 19, 16:05 UTCJul 19, 18:00 UTC1h 55m
2026-07-19 N645P OJC → OJC Jul 19, 15:50 UTCJul 19, 16:00 UTC10m
2026-07-18 N645P - Jul 18, 16:25 UTCJul 18, 16:30 UTC5m
2026-07-18 N645P OJC → OJC Jul 18, 15:00 UTCJul 18, 16:10 UTC1h 10m
2026-07-17 N645P - Jul 17, 14:50 UTCJul 17, 17:40 UTC2h 50m
2026-07-16 N645P OJC → OJC Jul 16, 14:00 UTCJul 16, 15:45 UTC1h 45m
2026-07-16 N645P OJC → OJC Jul 16, 13:45 UTCJul 16, 13:54 UTC10m
2026-07-16 N645P - Jul 16, 13:20 UTCJul 16, 13:30 UTC10m
2026-07-16 N645P OJC → OJC Jul 16, 00:10 UTCJul 16, 00:40 UTC30m
2026-07-15 N645P - Jul 15, 22:25 UTCJul 15, 23:30 UTC1h 5m
2026-07-15 N645P OJC → OJC Jul 15, 18:40 UTCJul 15, 19:55 UTC1h 15m
2026-07-15 N645P OJC → OJC Jul 15, 17:20 UTCJul 15, 17:55 UTC35m
2026-07-15 N645P - Jul 15, 15:05 UTCJul 15, 16:00 UTC55m
2026-07-13 N645P OJC → OJC Jul 13, 22:30 UTCJul 13, 23:30 UTC1h 0m
2026-07-13 N645P OJC → OJC Jul 13, 20:35 UTCJul 13, 21:45 UTC1h 10m
2026-07-13 N645P - Jul 13, 19:00 UTCJul 13, 19:50 UTC50m
2026-07-13 N645P - Jul 13, 16:55 UTCJul 13, 17:50 UTC55m
2026-07-13 N645P - Jul 13, 14:30 UTCJul 13, 14:55 UTC25m
2026-07-13 N645P - Jul 13, 13:15 UTCJul 13, 13:40 UTC25m
2026-07-12 N645P - Jul 12, 16:40 UTCJul 12, 17:50 UTC1h 10m
2026-07-12 N645P OJC → OJC Jul 12, 14:10 UTCJul 12, 15:35 UTC1h 25m
2026-07-11 N645P - Jul 11, 18:35 UTCJul 11, 19:10 UTC35m
2026-07-11 N645P - Jul 11, 16:55 UTCJul 11, 17:25 UTC30m
2026-07-11 N645P OJC → OJC Jul 11, 13:45 UTCJul 11, 14:10 UTC25m
2026-07-10 N645P OJC → OJC Jul 10, 18:30 UTCJul 10, 19:40 UTC1h 10m
2026-07-10 N645P OJC → OJC Jul 10, 15:05 UTCJul 10, 15:55 UTC50m
2026-07-09 N645P - Jul 9, 22:25 UTCJul 9, 23:35 UTC1h 10m
2026-07-09 N645P - Jul 9, 18:40 UTCJul 9, 20:00 UTC1h 20m
2026-07-09 N645P - Jul 9, 17:10 UTCJul 9, 18:05 UTC55m
2026-07-09 N645P OJC → OJC Jul 9, 15:00 UTCJul 9, 16:00 UTC1h 0m
2026-07-09 N645P - Jul 9, 02:40 UTCJul 9, 04:40 UTC2h 0m

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 N645P page for operator, model, and routing details .

Mode-S A87913 frequently asked

What is Mode-S code A87913?
A87913 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N645P.
Where is Mode-S A87913 registered?
Mode-S code A87913 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 A87913 broadcasting right now?
Yes. Mode-S A87913 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A87913, octal 52074423, decimal 11,041,043.
What flights does A87913 operate?
Mode-S A87913 has broadcast 1 distinct callsign, including N645P.