Apparatus

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sensors Mode-S transponder

A63A94

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N500GP · CESSNA 172R Cutlass RG · operated by EHG FLIGHT LLC

Hex
A63A94
Octal
51435224
Decimal
10,893,972
Country
US
Tail
N500GP
Type
C72R
No current signal · last broadcast 1d ago
Flights observed
164
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A63A94.

Country allocation

The ICAO 24-bit address A63A94 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
N500GP - 164 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-20 N500GP - Jul 20, 21:05 UTCJul 20, 21:35 UTC30m
2026-07-20 N500GP - Jul 20, 16:00 UTCJul 20, 16:40 UTC40m
2026-07-20 N500GP - Jul 20, 14:25 UTCJul 20, 14:50 UTC25m
2026-07-20 N500GP - Jul 20, 12:55 UTCJul 20, 13:35 UTC40m
2026-07-20 N500GP - Jul 20, 12:30 UTCJul 20, 12:50 UTC20m
2026-07-20 N500GP - Jul 20, 11:25 UTCJul 20, 12:00 UTC35m
2026-07-19 N500GP LNS → DYL Jul 19, 19:00 UTCJul 19, 19:40 UTC40m
2026-07-19 N500GP - Jul 19, 17:05 UTCJul 19, 18:10 UTC1h 5m
2026-07-19 N500GP - Jul 19, 15:20 UTCJul 19, 16:00 UTC40m
2026-07-17 N500GP - Jul 17, 21:15 UTCJul 17, 22:10 UTC55m
2026-07-17 N500GP - Jul 17, 20:20 UTCJul 17, 20:44 UTC25m
2026-07-17 N500GP - Jul 17, 19:09 UTCJul 17, 19:45 UTC35m
2026-07-17 N500GP - Jul 17, 16:59 UTCJul 17, 18:00 UTC1h 0m
2026-07-17 N500GP - Jul 17, 15:05 UTCJul 17, 15:55 UTC50m
2026-07-17 N500GP - Jul 17, 12:19 UTCJul 17, 13:15 UTC55m
2026-07-16 N500GP - Jul 16, 20:15 UTCJul 16, 22:25 UTC2h 10m
2026-07-16 N500GP - Jul 16, 17:20 UTCJul 16, 18:00 UTC40m
2026-07-16 N500GP DYL → LNS Jul 16, 13:49 UTCJul 16, 14:35 UTC45m
2026-07-16 N500GP DYL → DYL Jul 16, 11:30 UTCJul 16, 12:40 UTC1h 10m
2026-07-15 N500GP - Jul 15, 19:25 UTCJul 15, 20:45 UTC1h 20m
2026-07-15 N500GP - Jul 15, 12:40 UTCJul 15, 13:30 UTC50m
2026-07-15 N500GP - Jul 15, 01:45 UTCJul 15, 03:00 UTC1h 15m
2026-07-14 N500GP DYL → DYL Jul 14, 21:25 UTCJul 14, 21:35 UTC10m
2026-07-14 N500GP - Jul 14, 16:25 UTCJul 14, 17:30 UTC1h 5m
2026-07-14 N500GP - Jul 14, 14:55 UTCJul 14, 15:45 UTC50m
2026-07-13 N500GP DYL → DYL Jul 13, 21:30 UTCJul 13, 23:20 UTC1h 50m
2026-07-13 N500GP - Jul 13, 19:00 UTCJul 13, 20:55 UTC1h 55m
2026-07-13 N500GP DYL → DYL Jul 13, 18:00 UTCJul 13, 18:10 UTC10m
2026-07-13 N500GP - Jul 13, 17:05 UTCJul 13, 17:50 UTC45m
2026-07-13 N500GP - Jul 13, 15:00 UTCJul 13, 15:40 UTC40m
2026-07-12 N500GP - Jul 12, 18:25 UTCJul 12, 19:05 UTC40m
2026-07-12 N500GP - Jul 12, 16:40 UTCJul 12, 17:35 UTC55m
2026-07-12 N500GP - Jul 12, 15:35 UTCJul 12, 16:01 UTC25m
2026-07-11 N500GP - Jul 11, 16:15 UTCJul 11, 16:45 UTC30m
2026-07-11 N500GP - Jul 11, 13:35 UTCJul 11, 15:15 UTC1h 40m
2026-07-10 N500GP - Jul 10, 18:50 UTCJul 10, 19:10 UTC20m
2026-07-10 N500GP - Jul 10, 12:30 UTCJul 10, 13:05 UTC35m
2026-07-09 N500GP - Jul 9, 01:30 UTCJul 9, 02:50 UTC1h 20m
2026-07-08 N500GP - Jul 8, 21:15 UTCJul 8, 21:55 UTC40m
2026-07-08 N500GP - Jul 8, 18:45 UTCJul 8, 20:00 UTC1h 15m
2026-07-08 N500GP DYL → DYL Jul 8, 17:05 UTCJul 8, 17:50 UTC45m
2026-07-08 N500GP - Jul 8, 12:35 UTCJul 8, 13:00 UTC25m
2026-07-03 N500GP - Jul 3, 20:45 UTCJul 3, 21:10 UTC25m
2026-07-03 N500GP DYL → DYL Jul 3, 17:20 UTCJul 3, 17:40 UTC20m
2026-07-03 N500GP - Jul 3, 15:00 UTCJul 3, 15:25 UTC25m
2026-07-03 N500GP - Jul 3, 13:20 UTCJul 3, 13:50 UTC30m
2026-07-03 N500GP - Jul 3, 11:30 UTCJul 3, 11:40 UTC10m
2026-07-02 N500GP - Jul 2, 13:20 UTCJul 2, 14:20 UTC1h 0m
2026-07-01 N500GP - Jul 1, 21:15 UTCJul 1, 21:40 UTC25m
2026-07-01 N500GP - Jul 1, 20:30 UTCJul 1, 21:10 UTC40m

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 N500GP page for operator, model, and routing details .

Mode-S A63A94 frequently asked

What is Mode-S code A63A94?
A63A94 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N500GP.
Where is Mode-S A63A94 registered?
Mode-S code A63A94 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 A63A94 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A63A94, octal 51435224, decimal 10,893,972.
What flights does A63A94 operate?
Mode-S A63A94 has broadcast 1 distinct callsign, including N500GP.