Apparatus

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sensors Mode-S transponder

AD9D42

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N9767F · CESSNA 172R Cutlass RG · operated by MID ISLAND AIR SERVICE INC

Hex
AD9D42
Octal
53316502
Decimal
11,377,986
Country
US
Tail
N9767F
Type
C72R
No current signal · last broadcast 3d ago
Flights observed
116
Distinct callsigns
1
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S AD9D42.

Country allocation

The ICAO 24-bit address AD9D42 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
N9767F - 116 2026-05-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-27 N9767F WSH → WSH May 27, 01:29 UTCMay 27, 03:04 UTC1h 35m
2026-05-26 N9767F WSH → WSH May 26, 20:50 UTCMay 26, 22:29 UTC1h 40m
2026-05-26 N9767F - May 26, 17:50 UTCMay 26, 18:24 UTC35m
2026-05-26 N9767F - May 26, 12:14 UTCMay 26, 12:50 UTC35m
2026-05-23 N9767F WSH → WSH May 23, 16:50 UTCMay 23, 17:40 UTC50m
2026-05-23 N9767F WSH → WSH May 23, 01:05 UTCMay 23, 03:05 UTC2h 0m
2026-05-22 N9767F WSH → WSH May 22, 17:10 UTCMay 22, 17:45 UTC35m
2026-05-22 N9767F - May 22, 14:35 UTCMay 22, 15:30 UTC55m
2026-05-22 N9767F WSH → WSH May 22, 12:50 UTCMay 22, 13:45 UTC55m
2026-05-21 N9767F WSH → WSH May 21, 20:25 UTCMay 21, 21:40 UTC1h 15m
2026-05-21 N9767F - May 21, 15:15 UTCMay 21, 15:40 UTC25m
2026-05-21 N9767F WSH → WSH May 21, 12:45 UTCMay 21, 13:40 UTC55m
2026-05-20 N9767F WSH → WSH May 20, 17:00 UTCMay 20, 17:40 UTC40m
2026-05-20 N9767F WSH → WSH May 20, 14:30 UTCMay 20, 15:45 UTC1h 15m
2026-05-20 N9767F WSH → WSH May 20, 13:00 UTCMay 20, 13:40 UTC40m
2026-05-19 N9767F - May 19, 23:30 UTCMay 20, 00:25 UTC55m
2026-05-19 N9767F - May 19, 18:35 UTCMay 19, 19:15 UTC40m
2026-05-19 N9767F - May 19, 17:05 UTCMay 19, 17:45 UTC40m
2026-05-19 N9767F - May 19, 14:25 UTCMay 19, 15:35 UTC1h 10m
2026-05-19 N9767F - May 19, 13:00 UTCMay 19, 13:20 UTC20m
2026-05-19 N9767F WSH → WSH May 19, 00:45 UTCMay 19, 01:10 UTC25m
2026-05-18 N9767F - May 18, 17:15 UTCMay 18, 17:40 UTC25m
2026-05-18 N9767F - May 18, 12:50 UTCMay 18, 13:45 UTC55m
2026-05-18 N9767F WSH → WSH May 18, 00:50 UTCMay 18, 01:00 UTC10m
2026-05-17 N9767F WSH → WSH May 17, 19:20 UTCMay 17, 19:45 UTC25m
2026-05-17 N9767F - May 17, 17:25 UTCMay 17, 18:15 UTC50m
2026-05-17 N9767F - May 17, 13:35 UTCMay 17, 14:20 UTC45m
2026-05-17 N9767F - May 17, 12:15 UTCMay 17, 13:01 UTC45m
2026-05-16 N9767F WSH → WSH May 16, 19:40 UTCMay 16, 20:00 UTC20m
2026-05-16 N9767F WSH → WSH May 16, 17:25 UTCMay 16, 18:00 UTC35m
2026-05-16 N9767F - May 16, 15:20 UTCMay 16, 15:50 UTC30m
2026-05-15 N9767F - May 15, 18:35 UTCMay 15, 19:50 UTC1h 15m
2026-05-15 N9767F WSH → WSH May 15, 17:05 UTCMay 15, 17:40 UTC35m
2026-05-15 N9767F WSH → WSH May 15, 14:30 UTCMay 15, 15:15 UTC44m
2026-05-15 N9767F WSH → WSH May 15, 12:55 UTCMay 15, 13:45 UTC50m
2026-05-13 N9767F WSH → WSH May 13, 13:05 UTCMay 13, 13:40 UTC35m
2026-05-12 N9767F WSH → WSH May 12, 16:50 UTCMay 12, 17:25 UTC35m
2026-05-12 N9767F WSH → WSH May 12, 12:50 UTCMay 12, 13:40 UTC50m
2026-05-11 N9767F WSH → WSH May 11, 17:15 UTCMay 11, 17:45 UTC30m
2026-05-11 N9767F WSH → WSH May 11, 14:40 UTCMay 11, 15:40 UTC1h 0m
2026-05-11 N9767F WSH → WSH May 11, 12:55 UTCMay 11, 13:45 UTC50m
2026-05-08 N9767F WSH → WSH May 8, 20:00 UTCMay 8, 20:30 UTC30m
2026-05-08 N9767F WSH → WSH May 8, 17:10 UTCMay 8, 17:45 UTC35m
2026-05-08 N9767F CTO → WSH May 8, 14:40 UTCMay 8, 15:35 UTC55m
2026-05-08 N9767F - May 8, 12:55 UTCMay 8, 13:40 UTC45m
2026-05-07 N9767F - May 7, 18:35 UTCMay 7, 19:30 UTC55m
2026-05-07 N9767F WSH → WSH May 7, 17:10 UTCMay 7, 17:45 UTC35m
2026-05-07 N9767F WSH → WSH May 7, 14:35 UTCMay 7, 15:40 UTC1h 5m
2026-05-07 N9767F - May 7, 13:25 UTCMay 7, 13:50 UTC25m
2026-05-05 N9767F WSH → WSH May 5, 17:05 UTCMay 5, 17:40 UTC35m

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 N9767F page for operator, model, and routing details .

Mode-S AD9D42 frequently asked

What is Mode-S code AD9D42?
AD9D42 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N9767F.
Where is Mode-S AD9D42 registered?
Mode-S code AD9D42 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 AD9D42 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD9D42, octal 53316502, decimal 11,377,986.
What flights does AD9D42 operate?
Mode-S AD9D42 has broadcast 1 distinct callsign, including N9767F.