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sensors Mode-S transponder

A29A19

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N267MH · AIRBUS HELICOPTERS EC-145 · operated by METRO AVIATION INC

Hex
A29A19
Octal
50515031
Decimal
10,656,281
Country
US
Tail
N267MH
Type
EC45
No current signal · last broadcast 4h ago
Flights observed
214
Distinct callsigns
1
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S A29A19.

Country allocation

The ICAO 24-bit address A29A19 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
N267MH - 214 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N267MH - Jul 14, 09:00 UTCJul 14, 09:10 UTC10m
2026-07-14 N267MH - Jul 14, 08:05 UTCJul 14, 08:25 UTC20m
2026-07-14 N267MH - Jul 14, 07:05 UTCJul 14, 07:20 UTC15m
2026-07-13 N267MH - Jul 13, 23:05 UTCJul 13, 23:20 UTC15m
2026-07-13 N267MH - Jul 13, 22:10 UTCJul 13, 22:20 UTC10m
2026-07-13 N267MH - Jul 13, 03:25 UTCJul 13, 04:35 UTC1h 10m
2026-07-11 N267MH - Jul 11, 18:40 UTCJul 11, 19:00 UTC20m
2026-07-11 N267MH - Jul 11, 17:10 UTCJul 11, 18:05 UTC55m
2026-07-11 N267MH - Jul 11, 09:00 UTCJul 11, 10:25 UTC1h 25m
2026-07-10 N267MH - Jul 10, 00:15 UTCJul 10, 00:35 UTC20m
2026-07-09 N267MH - Jul 9, 22:00 UTCJul 9, 23:25 UTC1h 25m
2026-07-09 N267MH - Jul 9, 20:00 UTCJul 9, 20:10 UTC10m
2026-07-09 N267MH - Jul 9, 19:05 UTCJul 9, 19:15 UTC10m
2026-07-09 N267MH - Jul 9, 08:20 UTCJul 9, 08:40 UTC20m
2026-07-09 N267MH - Jul 9, 07:15 UTCJul 9, 07:35 UTC20m
2026-07-09 N267MH - Jul 9, 03:05 UTCJul 9, 04:05 UTC1h 0m
2026-07-08 N267MH - Jul 8, 04:15 UTCJul 8, 05:50 UTC1h 35m
2026-07-07 N267MH - Jul 7, 21:00 UTCJul 7, 21:10 UTC10m
2026-07-07 N267MH - Jul 7, 20:25 UTCJul 7, 20:40 UTC15m
2026-07-07 N267MH - Jul 7, 08:05 UTCJul 7, 09:00 UTC55m
2026-07-07 N267MH - Jul 7, 02:15 UTCJul 7, 02:55 UTC40m
2026-07-05 N267MH - Jul 5, 17:10 UTCJul 5, 18:20 UTC1h 10m
2026-07-05 N267MH - Jul 5, 16:15 UTCJul 5, 16:35 UTC20m
2026-07-04 N267MH - Jul 4, 19:55 UTCJul 4, 21:45 UTC1h 50m
2026-07-04 N267MH - Jul 4, 19:05 UTCJul 4, 19:25 UTC20m
2026-07-04 N267MH - Jul 4, 12:00 UTCJul 4, 14:15 UTC2h 15m
2026-07-03 N267MH - Jul 3, 09:00 UTCJul 3, 09:15 UTC15m
2026-07-03 N267MH - Jul 3, 08:10 UTCJul 3, 08:30 UTC20m
2026-07-03 N267MH - Jul 3, 07:20 UTCJul 3, 07:35 UTC15m
2026-07-03 N267MH - Jul 3, 01:20 UTCJul 3, 01:45 UTC25m
2026-07-03 N267MH - Jul 3, 00:15 UTCJul 3, 00:35 UTC20m
2026-07-02 N267MH - Jul 2, 19:40 UTCJul 2, 20:00 UTC20m
2026-07-02 N267MH - Jul 2, 18:45 UTCJul 2, 19:00 UTC15m
2026-07-02 N267MH - Jul 2, 03:40 UTCJul 2, 03:55 UTC15m
2026-07-02 N267MH - Jul 2, 02:20 UTCJul 2, 03:05 UTC45m
2026-07-01 N267MH - Jul 1, 20:40 UTCJul 1, 20:55 UTC15m
2026-07-01 N267MH - Jul 1, 18:40 UTCJul 1, 19:00 UTC20m
2026-07-01 N267MH - Jul 1, 14:10 UTCJul 1, 14:55 UTC45m
2026-07-01 N267MH - Jul 1, 12:25 UTCJul 1, 12:45 UTC20m
2026-07-01 N267MH - Jul 1, 02:00 UTCJul 1, 02:10 UTC10m
2026-07-01 N267MH - Jul 1, 01:05 UTCJul 1, 01:20 UTC15m
2026-06-30 N267MH - Jun 30, 22:15 UTCJun 30, 23:05 UTC50m
2026-06-30 N267MH - Jun 30, 19:50 UTCJun 30, 20:05 UTC15m
2026-06-30 N267MH - Jun 30, 14:30 UTCJun 30, 14:45 UTC15m
2026-06-30 N267MH - Jun 30, 02:30 UTCJun 30, 03:05 UTC35m
2026-06-29 N267MH - Jun 29, 23:54 UTCJun 30, 00:35 UTC40m
2026-06-29 N267MH - Jun 29, 19:20 UTCJun 29, 19:39 UTC20m
2026-06-29 N267MH - Jun 29, 18:10 UTCJun 29, 18:25 UTC15m
2026-06-29 N267MH - Jun 29, 10:24 UTCJun 29, 12:00 UTC1h 35m
2026-06-28 N267MH - Jun 28, 07:50 UTCJun 28, 08:50 UTC1h 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 N267MH page for operator, model, and routing details .

Mode-S A29A19 frequently asked

What is Mode-S code A29A19?
A29A19 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N267MH.
Where is Mode-S A29A19 registered?
Mode-S code A29A19 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 A29A19 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A29A19, octal 50515031, decimal 10,656,281.
What flights does A29A19 operate?
Mode-S A29A19 has broadcast 1 distinct callsign, including N267MH.