Apparatus

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sensors Mode-S transponder

AD20E0

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N945MT · AIRBUS HELICOPTERS EC-145 · operated by MED-TRANS CORP

Hex
AD20E0
Octal
53220340
Decimal
11,346,144
Country
US
Tail
N945MT
Type
EC45
No current signal · last broadcast 5h ago
Flights observed
202
Distinct callsigns
1
Country
US
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S AD20E0.

Country allocation

The ICAO 24-bit address AD20E0 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
N945MT - 202 2026-06-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-12 N945MT - Jun 12, 07:55 UTCJun 12, 08:05 UTC10m
2026-06-12 N945MT - Jun 12, 07:00 UTCJun 12, 07:10 UTC10m
2026-06-12 N945MT - Jun 12, 06:10 UTCJun 12, 06:20 UTC10m
2026-06-12 N945MT - Jun 12, 02:10 UTCJun 12, 02:55 UTC45m
2026-06-11 N945MT - Jun 11, 22:15 UTCJun 11, 22:25 UTC10m
2026-06-11 N945MT - Jun 11, 21:25 UTCJun 11, 21:40 UTC15m
2026-06-11 N945MT - Jun 11, 20:10 UTCJun 11, 20:25 UTC15m
2026-06-11 N945MT - Jun 11, 17:50 UTCJun 11, 18:05 UTC15m
2026-06-11 N945MT - Jun 11, 01:55 UTCJun 11, 02:05 UTC10m
2026-06-10 N945MT - Jun 10, 23:40 UTCJun 11, 00:30 UTC50m
2026-06-10 N945MT - Jun 10, 22:50 UTCJun 10, 23:00 UTC10m
2026-06-10 N945MT - Jun 10, 21:50 UTCJun 10, 22:10 UTC20m
2026-06-09 N945MT - Jun 9, 14:40 UTCJun 9, 14:50 UTC10m
2026-06-08 N945MT - Jun 8, 22:00 UTCJun 8, 22:10 UTC10m
2026-06-08 N945MT - Jun 8, 20:50 UTCJun 8, 21:00 UTC10m
2026-06-08 N945MT - Jun 8, 12:25 UTCJun 8, 12:45 UTC20m
2026-06-08 N945MT - Jun 8, 11:20 UTCJun 8, 11:40 UTC20m
2026-06-07 N945MT - Jun 7, 03:40 UTCJun 7, 03:50 UTC10m
2026-06-07 N945MT - Jun 7, 01:20 UTCJun 7, 02:25 UTC1h 5m
2026-06-06 N945MT - Jun 6, 23:09 UTCJun 7, 00:00 UTC50m
2026-06-06 N945MT - Jun 6, 22:20 UTCJun 6, 22:30 UTC10m
2026-06-06 N945MT - Jun 6, 20:25 UTCJun 6, 21:20 UTC55m
2026-06-06 N945MT - Jun 6, 17:40 UTCJun 6, 18:04 UTC25m
2026-06-06 N945MT - Jun 6, 16:34 UTCJun 6, 16:50 UTC15m
2026-06-06 N945MT - Jun 6, 15:44 UTCJun 6, 15:54 UTC10m
2026-06-06 N945MT - Jun 6, 05:30 UTCJun 6, 05:40 UTC10m
2026-06-06 N945MT - Jun 6, 02:35 UTCJun 6, 03:40 UTC1h 5m
2026-06-05 N945MT - Jun 5, 06:15 UTCJun 5, 06:25 UTC10m
2026-06-05 N945MT - Jun 5, 04:35 UTCJun 5, 05:20 UTC45m
2026-06-04 N945MT - Jun 4, 23:30 UTCJun 4, 23:40 UTC10m
2026-06-04 N945MT - Jun 4, 22:20 UTCJun 4, 22:30 UTC10m
2026-06-04 N945MT - Jun 4, 06:40 UTCJun 4, 07:35 UTC55m
2026-06-04 N945MT - Jun 4, 05:00 UTCJun 4, 05:45 UTC45m
2026-06-04 N945MT - Jun 4, 03:25 UTCJun 4, 03:40 UTC15m
2026-06-04 N945MT - Jun 4, 01:55 UTCJun 4, 02:05 UTC10m
2026-06-04 N945MT - Jun 4, 00:55 UTCJun 4, 01:10 UTC15m
2026-06-03 N945MT - Jun 3, 21:50 UTCJun 3, 22:00 UTC10m
2026-06-03 N945MT - Jun 3, 20:25 UTCJun 3, 20:40 UTC15m
2026-06-03 N945MT - Jun 3, 16:05 UTCJun 3, 16:40 UTC35m
2026-06-03 N945MT - Jun 3, 03:40 UTCJun 3, 04:10 UTC30m
2026-06-03 N945MT - Jun 3, 02:45 UTCJun 3, 02:55 UTC10m
2026-06-03 N945MT - Jun 3, 01:20 UTCJun 3, 01:30 UTC10m
2026-06-03 N945MT - Jun 3, 00:10 UTCJun 3, 00:20 UTC10m
2026-06-02 N945MT - Jun 2, 22:50 UTCJun 2, 23:05 UTC15m
2026-06-02 N945MT - Jun 2, 21:20 UTCJun 2, 22:05 UTC45m
2026-06-02 N945MT - Jun 2, 17:00 UTCJun 2, 17:10 UTC10m
2026-06-02 N945MT - Jun 2, 14:35 UTCJun 2, 16:05 UTC1h 30m
2026-06-02 N945MT - Jun 2, 13:30 UTCJun 2, 13:40 UTC10m
2026-06-02 N945MT - Jun 2, 00:40 UTCJun 2, 01:25 UTC45m
2026-05-31 N945MT - May 31, 17:30 UTCMay 31, 17:40 UTC10m

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 N945MT page for operator, model, and routing details .

Mode-S AD20E0 frequently asked

What is Mode-S code AD20E0?
AD20E0 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N945MT.
Where is Mode-S AD20E0 registered?
Mode-S code AD20E0 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 AD20E0 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD20E0, octal 53220340, decimal 11,346,144.
What flights does AD20E0 operate?
Mode-S AD20E0 has broadcast 1 distinct callsign, including N945MT.