Apparatus

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sensors Mode-S transponder

AA8552

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N777ZL · DASSAULT Falcon 50 · operated by V1VR LLC

Hex
AA8552
Octal
52502522
Decimal
11,175,250
Country
US
Tail
N777ZL
Type
FA50
No current signal · last broadcast 4d ago
Flights observed
88
Distinct callsigns
1
Country
US
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S AA8552.

Country allocation

The ICAO 24-bit address AA8552 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
N777ZL - 88 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N777ZL - Jul 26, 17:30 UTCJul 26, 18:00 UTC30m
2026-07-26 N777ZL - Jul 26, 13:50 UTCJul 26, 16:05 UTC2h 15m
2026-07-25 N777ZL - Jul 25, 19:50 UTCJul 25, 22:15 UTC2h 25m
2026-07-24 N777ZL - Jul 24, 23:40 UTCJul 25, 03:45 UTC4h 5m
2026-07-21 N777ZL - Jul 21, 12:20 UTCJul 21, 17:00 UTC4h 40m
2026-07-20 N777ZL - Jul 20, 22:10 UTCJul 20, 23:50 UTC1h 40m
2026-07-20 N777ZL - Jul 20, 03:15 UTCJul 20, 05:55 UTC2h 40m
2026-07-20 N777ZL - Jul 20, 02:05 UTCJul 20, 02:30 UTC25m
2026-07-18 N777ZL - Jul 18, 21:20 UTCJul 19, 00:30 UTC3h 10m
2026-07-18 N777ZL - Jul 18, 06:55 UTCJul 18, 08:15 UTC1h 20m
2026-07-18 N777ZL - Jul 18, 05:00 UTCJul 18, 06:25 UTC1h 25m
2026-07-18 N777ZL - Jul 18, 00:50 UTCJul 18, 01:20 UTC30m
2026-07-12 N777ZL - Jul 12, 20:15 UTCJul 12, 23:40 UTC3h 25m
2026-07-12 N777ZL - Jul 12, 17:50 UTCJul 12, 18:01 UTC10m
2026-07-09 N777ZL - Jul 9, 22:40 UTCJul 10, 00:00 UTC1h 20m
2026-07-09 N777ZL - Jul 9, 16:15 UTCJul 9, 21:10 UTC4h 55m
2026-07-05 N777ZL - Jul 5, 15:50 UTCJul 5, 21:45 UTC5h 55m
2026-07-05 N777ZL - Jul 5, 11:25 UTCJul 5, 13:50 UTC2h 25m
2026-07-02 N777ZL - Jul 2, 08:50 UTCJul 2, 11:55 UTC3h 5m
2026-07-02 N777ZL - Jul 2, 04:50 UTCJul 2, 05:00 UTC10m
2026-07-02 N777ZL - Jul 2, 03:35 UTCJul 2, 04:20 UTC45m
2026-06-29 N777ZL - Jun 29, 17:30 UTCJun 29, 19:35 UTC2h 5m
2026-06-29 N777ZL - Jun 29, 13:44 UTCJun 29, 14:29 UTC45m
2026-06-28 N777ZL - Jun 28, 01:55 UTCJun 28, 07:50 UTC5h 55m
2026-06-18 N777ZL - Jun 18, 23:30 UTCJun 19, 01:50 UTC2h 19m
2026-06-18 N777ZL - Jun 18, 16:55 UTCJun 18, 19:15 UTC2h 20m
2026-06-16 N777ZL - Jun 16, 19:50 UTCJun 16, 20:35 UTC45m
2026-06-16 N777ZL - Jun 16, 18:09 UTCJun 16, 18:50 UTC40m
2026-06-16 N777ZL - Jun 16, 12:10 UTCJun 16, 13:09 UTC1h 0m
2026-06-16 N777ZL - Jun 16, 10:15 UTCJun 16, 11:00 UTC45m
2026-06-14 N777ZL - Jun 14, 15:10 UTCJun 14, 19:10 UTC4h 0m
2026-06-14 N777ZL - Jun 14, 12:50 UTCJun 14, 13:55 UTC1h 5m
2026-06-13 N777ZL - Jun 13, 16:30 UTCJun 13, 19:25 UTC2h 55m
2026-06-13 N777ZL - Jun 13, 02:00 UTCJun 13, 02:45 UTC45m
2026-06-12 N777ZL - Jun 12, 18:15 UTCJun 13, 00:40 UTC6h 25m
2026-06-12 N777ZL - Jun 12, 16:25 UTCJun 12, 16:45 UTC20m
2026-06-10 N777ZL - Jun 10, 20:30 UTCJun 10, 23:25 UTC2h 55m
2026-06-05 N777ZL - Jun 5, 13:55 UTCJun 5, 16:30 UTC2h 35m
2026-06-05 N777ZL - Jun 5, 13:00 UTCJun 5, 13:20 UTC20m
2026-06-05 N777ZL - Jun 5, 10:30 UTCJun 5, 11:30 UTC1h 0m
2026-06-04 N777ZL - Jun 4, 14:20 UTCJun 4, 17:40 UTC3h 20m
2026-06-04 N777ZL - Jun 4, 09:35 UTCJun 4, 11:50 UTC2h 15m
2026-06-02 N777ZL - Jun 2, 17:10 UTCJun 2, 20:50 UTC3h 40m
2026-06-02 N777ZL - Jun 2, 15:30 UTCJun 2, 15:40 UTC10m
2026-06-01 N777ZL - Jun 1, 20:15 UTCJun 1, 23:10 UTC2h 55m
2026-06-01 N777ZL - Jun 1, 18:15 UTCJun 1, 19:30 UTC1h 15m
2026-05-30 N777ZL - May 30, 16:00 UTCMay 30, 17:25 UTC1h 25m
2026-05-28 N777ZL - May 28, 20:20 UTCMay 28, 20:50 UTC30m
2026-05-28 N777ZL - May 28, 18:25 UTCMay 28, 19:40 UTC1h 15m
2026-05-28 N777ZL - May 28, 15:45 UTCMay 28, 17:00 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 N777ZL page for operator, model, and routing details .

Mode-S AA8552 frequently asked

What is Mode-S code AA8552?
AA8552 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N777ZL.
Where is Mode-S AA8552 registered?
Mode-S code AA8552 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 AA8552 broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA8552, octal 52502522, decimal 11,175,250.
What flights does AA8552 operate?
Mode-S AA8552 has broadcast 1 distinct callsign, including N777ZL.