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sensors Mode-S transponder

A0953E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N137AM · AIRBUS HELICOPTERS EC-135/635 · operated by AIR METHODS LLC

Hex
A0953E
Octal
50112476
Decimal
10,523,966
Country
US
Tail
N137AM
Type
EC35
No current signal · last broadcast 1d ago
Flights observed
116
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A0953E.

Country allocation

The ICAO 24-bit address A0953E 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
N137AM - 116 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-19 N137AM - Jul 19, 00:20 UTCJul 19, 00:30 UTC10m
2026-07-18 N137AM - Jul 18, 22:10 UTCJul 18, 22:20 UTC10m
2026-07-17 N137AM - Jul 17, 18:29 UTCJul 17, 19:35 UTC1h 5m
2026-07-16 N137AM - Jul 16, 02:30 UTCJul 16, 02:45 UTC15m
2026-07-16 N137AM - Jul 16, 00:55 UTCJul 16, 01:15 UTC20m
2026-07-15 N137AM - Jul 15, 23:55 UTCJul 16, 00:20 UTC25m
2026-07-14 N137AM - Jul 14, 01:00 UTCJul 14, 01:15 UTC15m
2026-07-13 N137AM - Jul 13, 23:25 UTCJul 14, 00:20 UTC55m
2026-07-11 N137AM - Jul 11, 22:15 UTCJul 11, 22:30 UTC15m
2026-07-11 N137AM - Jul 11, 10:35 UTCJul 11, 10:45 UTC10m
2026-07-11 N137AM - Jul 11, 08:40 UTCJul 11, 09:15 UTC35m
2026-07-11 N137AM - Jul 11, 06:40 UTCJul 11, 07:20 UTC40m
2026-07-11 N137AM - Jul 11, 05:20 UTCJul 11, 05:35 UTC15m
2026-07-11 N137AM - Jul 11, 02:25 UTCJul 11, 03:55 UTC1h 30m
2026-07-10 N137AM - Jul 10, 02:15 UTCJul 10, 03:00 UTC45m
2026-07-10 N137AM - Jul 10, 01:30 UTCJul 10, 01:40 UTC10m
2026-07-10 N137AM - Jul 10, 00:00 UTCJul 10, 00:50 UTC50m
2026-07-09 N137AM - Jul 9, 22:20 UTCJul 9, 22:30 UTC10m
2026-07-09 N137AM - Jul 9, 20:30 UTCJul 9, 21:10 UTC40m
2026-07-09 N137AM - Jul 9, 18:25 UTCJul 9, 19:10 UTC45m
2026-07-09 N137AM - Jul 9, 17:35 UTCJul 9, 17:45 UTC10m
2026-07-09 N137AM - Jul 9, 02:15 UTCJul 9, 02:55 UTC40m
2026-07-07 N137AM - Jul 7, 16:05 UTCJul 7, 16:45 UTC40m
2026-07-07 N137AM - Jul 7, 12:50 UTCJul 7, 13:00 UTC10m
2026-07-07 N137AM - Jul 7, 11:15 UTCJul 7, 11:50 UTC35m
2026-07-07 N137AM - Jul 7, 02:20 UTCJul 7, 03:30 UTC1h 10m
2026-07-07 N137AM - Jul 7, 00:50 UTCJul 7, 01:30 UTC40m
2026-07-06 N137AM - Jul 6, 20:10 UTCJul 6, 20:55 UTC45m
2026-07-05 N137AM - Jul 5, 15:30 UTCJul 5, 16:10 UTC40m
2026-07-05 N137AM - Jul 5, 13:40 UTCJul 5, 14:20 UTC40m
2026-07-05 N137AM - Jul 5, 04:50 UTCJul 5, 05:05 UTC15m
2026-07-05 N137AM - Jul 5, 02:10 UTCJul 5, 02:20 UTC10m
2026-07-04 N137AM - Jul 4, 02:05 UTCJul 4, 02:45 UTC40m
2026-07-04 N137AM - Jul 4, 01:25 UTCJul 4, 01:35 UTC10m
2026-07-03 N137AM - Jul 3, 23:40 UTCJul 4, 00:30 UTC50m
2026-07-03 N137AM - Jul 3, 18:10 UTCJul 3, 19:00 UTC50m
2026-07-03 N137AM - Jul 3, 09:30 UTCJul 3, 10:25 UTC55m
2026-07-01 N137AM CNW → CNW Jul 1, 23:40 UTCJul 2, 01:05 UTC1h 25m
2026-07-01 N137AM - Jul 1, 18:20 UTCJul 1, 18:30 UTC10m
2026-07-01 N137AM - Jul 1, 16:45 UTCJul 1, 16:55 UTC10m
2026-06-30 N137AM - Jun 30, 16:45 UTCJun 30, 16:55 UTC10m
2026-06-30 N137AM - Jun 30, 15:15 UTCJun 30, 15:25 UTC10m
2026-06-28 N137AM - Jun 28, 09:05 UTCJun 28, 09:39 UTC35m
2026-06-28 N137AM - Jun 28, 07:50 UTCJun 28, 08:00 UTC10m
2026-06-28 N137AM - Jun 28, 06:40 UTCJun 28, 07:14 UTC35m
2026-06-28 N137AM - Jun 28, 05:29 UTCJun 28, 05:40 UTC10m
2026-06-27 N137AM - Jun 27, 22:09 UTCJun 27, 22:20 UTC10m
2026-06-27 N137AM - Jun 27, 18:49 UTCJun 27, 20:39 UTC1h 50m
2026-06-27 N137AM - Jun 27, 02:29 UTCJun 27, 03:15 UTC45m
2026-06-27 N137AM - Jun 27, 00:25 UTCJun 27, 01:49 UTC1h 25m

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 N137AM page for operator, model, and routing details .

Mode-S A0953E frequently asked

What is Mode-S code A0953E?
A0953E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N137AM.
Where is Mode-S A0953E registered?
Mode-S code A0953E 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 A0953E broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A0953E, octal 50112476, decimal 10,523,966.
What flights does A0953E operate?
Mode-S A0953E has broadcast 1 distinct callsign, including N137AM.