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sensors Mode-S transponder

AA605B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N768MH · SIKORSKY S-76 Spirit · operated by GM LEASING CO LLC

Hex
AA605B
Octal
52460133
Decimal
11,165,787
Country
US
Tail
N768MH
Type
S76
No current signal · last broadcast Jul 25, 00:40 UTC
Flights observed
47
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 00:40 UTC

Last known position

Most recent position reported by Mode-S AA605B.

Country allocation

The ICAO 24-bit address AA605B 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
N768MH - 47 2026-07-25

Recent flights last 47

DateFlightRouteTakeoffLandingDuration
2026-07-25 N768MH - Jul 25, 00:15 UTCJul 25, 00:30 UTC15m
2026-07-24 N768MH - Jul 24, 14:20 UTCJul 24, 14:50 UTC30m
2026-07-24 N768MH - Jul 24, 00:00 UTCJul 24, 00:35 UTC35m
2026-07-23 N768MH - Jul 23, 14:15 UTCJul 23, 14:40 UTC25m
2026-07-23 N768MH - Jul 23, 00:15 UTCJul 23, 00:35 UTC20m
2026-07-22 N768MH - Jul 22, 17:45 UTCJul 22, 18:10 UTC25m
2026-07-22 N768MH SMX → SMX Jul 22, 15:45 UTCJul 22, 16:20 UTC35m
2026-07-21 N768MH - Jul 21, 23:55 UTCJul 22, 00:10 UTC15m
2026-07-21 N768MH - Jul 21, 15:20 UTCJul 21, 15:35 UTC15m
2026-07-20 N768MH - Jul 20, 22:40 UTCJul 20, 23:15 UTC35m
2026-07-10 N768MH - Jul 10, 22:35 UTCJul 10, 22:50 UTC15m
2026-07-10 N768MH - Jul 10, 20:50 UTCJul 10, 21:05 UTC15m
2026-07-09 N768MH - Jul 9, 16:50 UTCJul 9, 17:15 UTC25m
2026-07-07 N768MH - Jul 7, 22:20 UTCJul 7, 22:30 UTC10m
2026-07-07 N768MH - Jul 7, 13:50 UTCJul 7, 14:10 UTC20m
2026-07-06 N768MH - Jul 6, 23:15 UTCJul 6, 23:30 UTC15m
2026-07-06 N768MH - Jul 6, 14:00 UTCJul 6, 14:15 UTC15m
2026-07-02 N768MH - Jul 2, 23:00 UTCJul 2, 23:15 UTC15m
2026-07-02 N768MH - Jul 2, 14:10 UTCJul 2, 14:25 UTC15m
2026-07-01 N768MH - Jul 1, 14:00 UTCJul 1, 14:25 UTC25m
2026-06-30 N768MH - Jun 30, 23:50 UTCJul 1, 00:05 UTC15m
2026-06-30 N768MH - Jun 30, 16:15 UTCJun 30, 16:30 UTC15m
2026-06-19 N768MH - Jun 19, 23:00 UTCJun 19, 23:09 UTC10m
2026-06-19 N768MH - Jun 19, 13:54 UTCJun 19, 14:09 UTC15m
2026-06-17 N768MH - Jun 17, 22:05 UTCJun 17, 22:25 UTC20m
2026-06-17 N768MH - Jun 17, 14:00 UTCJun 17, 15:15 UTC1h 15m
2026-06-15 N768MH - Jun 15, 19:10 UTCJun 15, 19:20 UTC10m
2026-06-15 N768MH - Jun 15, 13:50 UTCJun 15, 14:10 UTC20m
2026-05-29 N768MH - May 29, 22:55 UTCMay 29, 23:05 UTC10m
2026-05-29 N768MH - May 29, 15:40 UTCMay 29, 15:50 UTC10m
2026-05-26 N768MH - May 26, 17:39 UTCMay 26, 17:50 UTC10m
2026-05-26 N768MH - May 26, 15:29 UTCMay 26, 15:54 UTC25m
2026-05-13 N768MH - May 13, 00:40 UTCMay 13, 01:00 UTC20m
2026-05-12 N768MH - May 12, 18:00 UTCMay 12, 18:25 UTC25m
2026-05-11 N768MH - May 11, 14:55 UTCMay 11, 15:40 UTC45m
2026-05-08 N768MH - May 8, 23:15 UTCMay 8, 23:30 UTC15m
2026-05-08 N768MH - May 8, 17:10 UTCMay 8, 17:30 UTC20m
2026-05-06 N768MH - May 6, 13:50 UTCMay 6, 14:20 UTC30m
2026-05-04 N768MH - May 4, 23:05 UTCMay 4, 23:20 UTC15m
2026-05-04 N768MH - May 4, 14:05 UTCMay 4, 14:20 UTC15m
2026-05-02 N768MH SMX → SMX May 2, 19:05 UTCMay 2, 20:15 UTC1h 10m
2026-04-30 N768MH - Apr 30, 18:55 UTCApr 30, 19:20 UTC25m
2026-04-17 N768MH - Apr 17, 00:10 UTCApr 17, 00:20 UTC10m
2026-04-16 N768MH SMX → SMX Apr 16, 23:20 UTCApr 16, 23:30 UTC10m
2026-04-16 N768MH - Apr 16, 22:40 UTCApr 16, 23:00 UTC20m
2026-04-16 N768MH - Apr 16, 21:34 UTCApr 16, 21:45 UTC10m
2026-04-16 N768MH SMX → SMX Apr 16, 00:00 UTCApr 16, 00:10 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 N768MH page for operator, model, and routing details .

Mode-S AA605B frequently asked

What is Mode-S code AA605B?
AA605B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N768MH.
Where is Mode-S AA605B registered?
Mode-S code AA605B 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 AA605B broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 00:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA605B, octal 52460133, decimal 11,165,787.
What flights does AA605B operate?
Mode-S AA605B has broadcast 1 distinct callsign, including N768MH.