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sensors Mode-S transponder

A9E656

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N737PE · operated by PHOENIX EAST AVIATION LLC

Hex
A9E656
Octal
52363126
Decimal
11,134,550
Country
US
Tail
N737PE
Type
PA34
No current signal · last broadcast Jul 26, 18:20 UTC
Flights observed
113
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 18:20 UTC

Last known position

Most recent position reported by Mode-S A9E656.

Country allocation

The ICAO 24-bit address A9E656 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
BPX737 - 113 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 BPX737 - Jul 26, 17:00 UTCJul 26, 18:20 UTC1h 20m
2026-07-24 BPX737 - Jul 24, 13:45 UTCJul 24, 15:00 UTC1h 15m
2026-07-24 BPX737 - Jul 24, 00:10 UTCJul 24, 01:05 UTC55m
2026-07-23 BPX737 - Jul 23, 11:00 UTCJul 23, 13:45 UTC2h 45m
2026-07-23 BPX737 - Jul 23, 01:05 UTCJul 23, 02:55 UTC1h 50m
2026-07-22 BPX737 - Jul 22, 22:55 UTCJul 22, 23:40 UTC45m
2026-07-22 BPX737 - Jul 22, 14:45 UTCJul 22, 15:50 UTC1h 5m
2026-07-22 BPX737 - Jul 22, 12:30 UTCJul 22, 13:50 UTC1h 20m
2026-07-21 BPX737 - Jul 21, 22:35 UTCJul 21, 23:05 UTC30m
2026-07-21 BPX737 - Jul 21, 20:10 UTCJul 21, 21:30 UTC1h 20m
2026-07-21 BPX737 - Jul 21, 17:00 UTCJul 21, 18:15 UTC1h 15m
2026-07-21 BPX737 - Jul 21, 15:00 UTCJul 21, 15:40 UTC40m
2026-07-21 BPX737 - Jul 21, 00:35 UTCJul 21, 01:25 UTC50m
2026-07-20 BPX737 - Jul 20, 22:30 UTCJul 20, 23:20 UTC50m
2026-07-20 BPX737 - Jul 20, 14:30 UTCJul 20, 15:50 UTC1h 20m
2026-07-19 BPX737 - Jul 19, 12:50 UTCJul 19, 14:00 UTC1h 10m
2026-07-18 BPX737 - Jul 18, 01:15 UTCJul 18, 02:25 UTC1h 10m
2026-07-17 BPX737 - Jul 17, 14:44 UTCJul 17, 15:44 UTC1h 0m
2026-07-17 BPX737 - Jul 17, 12:30 UTCJul 17, 13:55 UTC1h 25m
2026-07-16 BPX737 - Jul 16, 19:45 UTCJul 16, 20:09 UTC25m
2026-07-16 BPX737 - Jul 16, 16:49 UTCJul 16, 17:35 UTC45m
2026-07-16 BPX737 - Jul 16, 14:45 UTCJul 16, 15:40 UTC55m
2026-07-16 BPX737 - Jul 16, 13:05 UTCJul 16, 13:30 UTC25m
2026-07-16 BPX737 - Jul 16, 11:40 UTCJul 16, 12:25 UTC45m
2026-07-15 BPX737 - Jul 15, 20:40 UTCJul 15, 21:25 UTC45m
2026-07-15 BPX737 - Jul 15, 16:50 UTCJul 15, 18:00 UTC1h 10m
2026-07-15 BPX737 - Jul 15, 14:25 UTCJul 15, 15:40 UTC1h 15m
2026-07-15 BPX737 - Jul 15, 10:40 UTCJul 15, 11:55 UTC1h 15m
2026-07-15 BPX737 - Jul 15, 02:15 UTCJul 15, 02:25 UTC10m
2026-07-15 BPX737 - Jul 15, 01:10 UTCJul 15, 01:30 UTC20m
2026-07-14 BPX737 - Jul 14, 16:25 UTCJul 14, 17:40 UTC1h 15m
2026-07-14 BPX737 - Jul 14, 13:25 UTCJul 14, 13:50 UTC25m
2026-07-14 BPX737 - Jul 14, 12:35 UTCJul 14, 12:50 UTC15m
2026-07-13 BPX737 - Jul 13, 18:35 UTCJul 13, 19:20 UTC45m
2026-07-13 BPX737 - Jul 13, 14:50 UTCJul 13, 16:05 UTC1h 15m
2026-07-13 BPX737 - Jul 13, 12:40 UTCJul 13, 13:50 UTC1h 10m
2026-07-12 BPX737 - Jul 12, 02:10 UTCJul 12, 02:50 UTC40m
2026-07-12 BPX737 - Jul 12, 01:20 UTCJul 12, 01:30 UTC10m
2026-07-10 BPX737 - Jul 10, 20:45 UTCJul 10, 21:40 UTC55m
2026-06-15 BPX737 - Jun 15, 12:05 UTCJun 15, 13:00 UTC55m
2026-06-13 BPX737 - Jun 13, 19:45 UTCJun 13, 20:40 UTC55m
2026-06-13 BPX737 - Jun 13, 14:15 UTCJun 13, 15:15 UTC1h 0m
2026-06-13 BPX737 - Jun 13, 12:30 UTCJun 13, 13:15 UTC45m
2026-06-12 BPX737 - Jun 12, 18:55 UTCJun 12, 19:25 UTC30m
2026-06-12 BPX737 - Jun 12, 15:25 UTCJun 12, 16:55 UTC1h 30m
2026-06-11 BPX737 - Jun 11, 20:00 UTCJun 11, 20:10 UTC10m
2026-06-11 BPX737 HWO → HWO Jun 11, 11:50 UTCJun 11, 12:50 UTC1h 0m
2026-06-11 BPX737 HWO → HWO Jun 11, 00:25 UTCJun 11, 01:40 UTC1h 15m
2026-06-10 BPX737 - Jun 10, 16:30 UTCJun 10, 17:40 UTC1h 10m
2026-06-10 BPX737 HWO → HWO Jun 10, 13:25 UTCJun 10, 14:55 UTC1h 30m

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 N737PE page for operator, model, and routing details .

Mode-S A9E656 frequently asked

What is Mode-S code A9E656?
A9E656 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N737PE.
Where is Mode-S A9E656 registered?
Mode-S code A9E656 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 A9E656 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9E656, octal 52363126, decimal 11,134,550.
What flights does A9E656 operate?
Mode-S A9E656 has broadcast 1 distinct callsign, including BPX737.