Apparatus

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sensors Mode-S transponder

AB7E9D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N84MK · CESSNA 152 · operated by NEW HORIZONS AVIATION INC

Hex
AB7E9D
Octal
52677235
Decimal
11,239,069
Country
US
Tail
N84MK
Type
C152
No current signal · last broadcast 23d ago
Flights observed
185
Distinct callsigns
1
Country
US
Last broadcast
23d ago

Last known position

Most recent position reported by Mode-S AB7E9D.

Country allocation

The ICAO 24-bit address AB7E9D 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
N84MK - 185 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N84MK - Jul 26, 15:55 UTCJul 26, 16:40 UTC45m
2026-07-25 N84MK - Jul 25, 20:10 UTCJul 25, 20:50 UTC40m
2026-07-25 N84MK - Jul 25, 17:50 UTCJul 25, 18:45 UTC55m
2026-07-25 N84MK GSH → GSH Jul 25, 15:35 UTCJul 25, 16:40 UTC1h 5m
2026-07-25 N84MK - Jul 25, 13:10 UTCJul 25, 14:00 UTC50m
2026-07-25 N84MK - Jul 25, 02:55 UTCJul 25, 03:05 UTC10m
2026-07-24 N84MK - Jul 24, 18:00 UTCJul 24, 19:45 UTC1h 45m
2026-07-24 N84MK GSH → GSH Jul 24, 15:35 UTCJul 24, 16:35 UTC1h 0m
2026-07-23 N84MK - Jul 23, 23:50 UTCJul 24, 00:05 UTC15m
2026-07-23 N84MK GSH → GSH Jul 23, 21:00 UTCJul 23, 21:30 UTC30m
2026-07-23 N84MK GSH → GSH Jul 23, 18:45 UTCJul 23, 19:40 UTC55m
2026-07-23 N84MK GSH → GSH Jul 23, 17:30 UTCJul 23, 18:00 UTC30m
2026-07-23 N84MK GSH → GSH Jul 23, 15:40 UTCJul 23, 16:45 UTC1h 5m
2026-07-23 N84MK GSH → GSH Jul 23, 13:45 UTCJul 23, 14:45 UTC1h 0m
2026-07-23 N84MK - Jul 23, 12:20 UTCJul 23, 13:00 UTC40m
2026-07-23 N84MK - Jul 23, 02:40 UTCJul 23, 04:15 UTC1h 35m
2026-07-22 N84MK GSH → GSH Jul 22, 23:10 UTCJul 23, 01:20 UTC2h 10m
2026-07-22 N84MK GSH → GSH Jul 22, 21:10 UTCJul 22, 21:50 UTC40m
2026-07-22 N84MK - Jul 22, 18:55 UTCJul 22, 20:25 UTC1h 30m
2026-07-22 N84MK GSH → GSH Jul 22, 17:15 UTCJul 22, 17:35 UTC20m
2026-07-22 N84MK GSH → GSH Jul 22, 14:30 UTCJul 22, 16:05 UTC1h 35m
2026-07-22 N84MK - Jul 22, 11:50 UTCJul 22, 13:55 UTC2h 5m
2026-07-21 N84MK - Jul 21, 19:55 UTCJul 21, 20:30 UTC35m
2026-07-21 N84MK GSH → GSH Jul 21, 17:35 UTCJul 21, 18:35 UTC1h 0m
2026-07-21 N84MK GSH → GSH Jul 21, 15:00 UTCJul 21, 15:50 UTC50m
2026-07-20 N84MK GSH → GSH Jul 20, 20:40 UTCJul 20, 21:45 UTC1h 5m
2026-07-20 N84MK - Jul 20, 17:30 UTCJul 20, 17:40 UTC10m
2026-07-20 N84MK - Jul 20, 16:45 UTCJul 20, 16:55 UTC10m
2026-07-20 N84MK - Jul 20, 15:35 UTCJul 20, 15:55 UTC20m
2026-07-20 N84MK - Jul 20, 12:40 UTCJul 20, 13:45 UTC1h 5m
2026-07-20 N84MK - Jul 20, 11:30 UTCJul 20, 12:05 UTC35m
2026-07-19 N84MK - Jul 19, 22:40 UTCJul 19, 23:20 UTC40m
2026-07-18 N84MK GSH → GSH Jul 18, 12:55 UTCJul 18, 15:20 UTC2h 25m
2026-07-18 N84MK GSH → GSH Jul 18, 01:25 UTCJul 18, 01:45 UTC20m
2026-07-15 N84MK GSH → GSH Jul 15, 20:50 UTCJul 15, 21:45 UTC55m
2026-07-15 N84MK - Jul 15, 18:45 UTCJul 15, 19:40 UTC55m
2026-07-15 N84MK GSH → GSH Jul 15, 14:10 UTCJul 15, 14:55 UTC45m
2026-07-15 N84MK - Jul 15, 12:35 UTCJul 15, 13:30 UTC55m
2026-07-15 N84MK - Jul 15, 02:20 UTCJul 15, 03:20 UTC1h 0m
2026-07-14 N84MK GSH → GSH Jul 14, 20:20 UTCJul 14, 21:45 UTC1h 25m
2026-07-14 N84MK - Jul 14, 16:40 UTCJul 14, 18:05 UTC1h 25m
2026-07-14 N84MK GSH → GSH Jul 14, 14:55 UTCJul 14, 15:50 UTC55m
2026-07-13 N84MK - Jul 13, 21:50 UTCJul 13, 22:50 UTC1h 0m
2026-07-13 N84MK - Jul 13, 20:40 UTCJul 13, 20:55 UTC15m
2026-07-13 N84MK - Jul 13, 18:50 UTCJul 13, 19:10 UTC20m
2026-07-13 N84MK - Jul 13, 16:35 UTCJul 13, 17:10 UTC35m
2026-07-13 N84MK - Jul 13, 14:25 UTCJul 13, 14:35 UTC10m
2026-07-13 N84MK GSH → GSH Jul 13, 12:40 UTCJul 13, 13:30 UTC50m
2026-07-12 N84MK GSH → GSH Jul 12, 22:00 UTCJul 12, 23:00 UTC1h 0m
2026-07-12 N84MK GSH → GSH Jul 12, 19:45 UTCJul 12, 21:10 UTC1h 25m

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 N84MK page for operator, model, and routing details .

Mode-S AB7E9D frequently asked

What is Mode-S code AB7E9D?
AB7E9D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N84MK.
Where is Mode-S AB7E9D registered?
Mode-S code AB7E9D 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 AB7E9D broadcasting right now?
No active broadcast right now. Last signal was 23d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB7E9D, octal 52677235, decimal 11,239,069.
What flights does AB7E9D operate?
Mode-S AB7E9D has broadcast 1 distinct callsign, including N84MK.