Apparatus

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sensors Mode-S transponder

AD774B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N967MS · operated by MT SAN ANTONIO COLLEGE

Hex
AD774B
Octal
53273513
Decimal
11,368,267
Country
US
Tail
N967MS
Type
P28A
No current signal · last broadcast 3h ago
Flights observed
140
Distinct callsigns
1
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S AD774B.

Country allocation

The ICAO 24-bit address AD774B 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
N967MS - 140 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-24 N967MS - Jun 24, 22:35 UTCJun 24, 23:29 UTC55m
2026-06-23 N967MS - Jun 23, 18:50 UTCJun 23, 19:34 UTC45m
2026-06-23 N967MS - Jun 23, 16:59 UTCJun 23, 17:44 UTC45m
2026-06-23 N967MS - Jun 23, 00:15 UTCJun 23, 01:15 UTC1h 0m
2026-06-22 N967MS - Jun 22, 17:04 UTCJun 22, 17:50 UTC45m
2026-06-22 N967MS - Jun 22, 15:05 UTCJun 22, 15:45 UTC40m
2026-06-20 N967MS - Jun 20, 23:04 UTCJun 21, 00:04 UTC1h 0m
2026-06-20 N967MS - Jun 20, 14:54 UTCJun 20, 15:39 UTC45m
2026-06-18 N967MS - Jun 18, 21:10 UTCJun 18, 21:45 UTC35m
2026-06-18 N967MS - Jun 18, 17:15 UTCJun 18, 17:50 UTC35m
2026-06-17 N967MS - Jun 17, 21:00 UTCJun 17, 21:50 UTC50m
2026-06-17 N967MS - Jun 17, 18:35 UTCJun 17, 19:25 UTC50m
2026-06-17 N967MS - Jun 17, 01:10 UTCJun 17, 01:50 UTC40m
2026-06-16 N967MS - Jun 16, 20:40 UTCJun 16, 21:35 UTC55m
2026-06-16 N967MS POC → POC Jun 16, 19:05 UTCJun 16, 19:30 UTC25m
2026-06-16 N967MS - Jun 16, 17:35 UTCJun 16, 17:59 UTC25m
2026-06-15 N967MS - Jun 15, 23:09 UTCJun 16, 00:20 UTC1h 10m
2026-06-15 N967MS - Jun 15, 21:09 UTCJun 15, 21:35 UTC25m
2026-06-15 N967MS - Jun 15, 18:40 UTCJun 15, 19:30 UTC50m
2026-06-15 N967MS - Jun 15, 17:20 UTCJun 15, 17:45 UTC25m
2026-06-13 N967MS - Jun 13, 19:00 UTCJun 13, 19:45 UTC45m
2026-06-13 N967MS - Jun 13, 17:10 UTCJun 13, 17:55 UTC45m
2026-06-13 N967MS - Jun 13, 01:20 UTCJun 13, 01:30 UTC10m
2026-06-12 N967MS - Jun 12, 16:40 UTCJun 12, 17:30 UTC50m
2026-06-11 N967MS - Jun 11, 23:35 UTCJun 12, 00:40 UTC1h 6m
2026-06-10 N967MS - Jun 10, 22:25 UTCJun 10, 23:15 UTC50m
2026-06-10 N967MS - Jun 10, 18:45 UTCJun 10, 19:55 UTC1h 10m
2026-06-10 N967MS - Jun 10, 16:10 UTCJun 10, 17:50 UTC1h 40m
2026-06-09 N967MS - Jun 9, 22:45 UTCJun 9, 23:45 UTC1h 0m
2026-06-09 N967MS - Jun 9, 21:10 UTCJun 9, 21:55 UTC45m
2026-06-09 N967MS - Jun 9, 19:35 UTCJun 9, 20:25 UTC50m
2026-06-09 N967MS - Jun 9, 00:20 UTCJun 9, 01:50 UTC1h 30m
2026-06-08 N967MS - Jun 8, 22:50 UTCJun 8, 23:30 UTC40m
2026-06-08 N967MS - Jun 8, 20:35 UTCJun 8, 20:45 UTC10m
2026-06-08 N967MS - Jun 8, 18:05 UTCJun 8, 19:25 UTC1h 20m
2026-06-07 N967MS - Jun 7, 19:00 UTCJun 7, 19:45 UTC45m
2026-06-06 N967MS - Jun 6, 18:55 UTCJun 6, 20:00 UTC1h 5m
2026-06-06 N967MS - Jun 6, 00:40 UTCJun 6, 01:40 UTC1h 0m
2026-06-05 N967MS - Jun 5, 22:45 UTCJun 5, 23:35 UTC50m
2026-06-05 N967MS - Jun 5, 19:10 UTCJun 5, 21:05 UTC1h 55m
2026-06-05 N967MS - Jun 5, 17:10 UTCJun 5, 17:50 UTC40m
2026-06-05 N967MS - Jun 5, 07:00 UTCJun 5, 07:15 UTC15m
2026-06-05 N967MS - Jun 5, 04:55 UTCJun 5, 05:35 UTC40m
2026-06-04 N967MS CCB → POC Jun 4, 23:10 UTCJun 4, 23:45 UTC35m
2026-06-02 N967MS - Jun 2, 22:25 UTCJun 2, 22:35 UTC10m
2026-06-01 N967MS - Jun 1, 22:50 UTCJun 2, 00:00 UTC1h 10m
2026-06-01 N967MS - Jun 1, 21:15 UTCJun 1, 21:50 UTC35m
2026-06-01 N967MS - Jun 1, 18:55 UTCJun 1, 19:45 UTC50m
2026-06-01 N967MS - Jun 1, 16:45 UTCJun 1, 17:45 UTC1h 0m
2026-05-30 N967MS - May 30, 21:15 UTCMay 30, 22:30 UTC1h 15m

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 N967MS page for operator, model, and routing details .

Mode-S AD774B frequently asked

What is Mode-S code AD774B?
AD774B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N967MS.
Where is Mode-S AD774B registered?
Mode-S code AD774B 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 AD774B broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD774B, octal 53273513, decimal 11,368,267.
What flights does AD774B operate?
Mode-S AD774B has broadcast 1 distinct callsign, including N967MS.