Apparatus

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sensors Mode-S transponder

A8D0D5

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N66717 · CESSNA 172 Skyhawk · operated by SHERMAN AVIATION LLC

Hex
A8D0D5
Octal
52150325
Decimal
11,063,509
Country
US
Tail
N66717
Type
C172
No current signal · last broadcast 1h ago
Flights observed
125
Distinct callsigns
1
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A8D0D5.

Country allocation

The ICAO 24-bit address A8D0D5 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
N66717 - 125 2026-06-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 N66717 - Jun 2, 22:35 UTCJun 2, 23:15 UTC40m
2026-06-02 N66717 - Jun 2, 20:45 UTCJun 2, 21:50 UTC1h 5m
2026-06-02 N66717 - Jun 2, 18:40 UTCJun 2, 19:50 UTC1h 10m
2026-06-02 N66717 - Jun 2, 16:50 UTCJun 2, 18:00 UTC1h 10m
2026-06-02 N66717 - Jun 2, 14:40 UTCJun 2, 15:50 UTC1h 10m
2026-06-02 N66717 - Jun 2, 13:00 UTCJun 2, 13:45 UTC45m
2026-06-01 N66717 CDW → CDW Jun 1, 18:35 UTCJun 1, 19:50 UTC1h 15m
2026-06-01 N66717 CDW → CDW Jun 1, 16:40 UTCJun 1, 17:55 UTC1h 15m
2026-06-01 N66717 - Jun 1, 14:40 UTCJun 1, 16:00 UTC1h 20m
2026-06-01 N66717 - Jun 1, 12:45 UTCJun 1, 13:50 UTC1h 5m
2026-06-01 N66717 - Jun 1, 02:20 UTCJun 1, 02:55 UTC35m
2026-06-01 N66717 - Jun 1, 01:05 UTCJun 1, 01:50 UTC45m
2026-05-31 N66717 - May 31, 22:10 UTCMay 31, 23:05 UTC55m
2026-05-31 N66717 - May 31, 17:40 UTCMay 31, 18:45 UTC1h 5m
2026-05-31 N66717 - May 31, 15:45 UTCMay 31, 16:45 UTC1h 0m
2026-05-31 N66717 - May 31, 13:40 UTCMay 31, 14:50 UTC1h 10m
2026-05-29 N66717 CDW → CDW May 29, 16:10 UTCMay 29, 17:45 UTC1h 35m
2026-05-29 N66717 - May 29, 14:00 UTCMay 29, 14:45 UTC45m
2026-05-28 N66717 - May 28, 15:35 UTCMay 28, 16:05 UTC30m
2026-05-27 N66717 - May 27, 22:40 UTCMay 27, 22:50 UTC10m
2026-05-27 N66717 - May 27, 20:55 UTCMay 27, 22:35 UTC1h 40m
2026-05-27 N66717 - May 27, 17:25 UTCMay 27, 18:40 UTC1h 15m
2026-05-27 N66717 - May 27, 15:35 UTCMay 27, 15:55 UTC20m
2026-05-27 N66717 MMU → CDW May 27, 13:35 UTCMay 27, 14:40 UTC1h 5m
2026-05-26 N66717 - May 26, 20:40 UTCMay 26, 21:59 UTC1h 20m
2026-05-26 N66717 - May 26, 17:55 UTCMay 26, 19:10 UTC1h 15m
2026-05-26 N66717 CDW → CDW May 26, 15:45 UTCMay 26, 16:45 UTC1h 0m
2026-05-26 N66717 - May 26, 13:40 UTCMay 26, 14:50 UTC1h 10m
2026-05-25 N66717 CDW → CDW May 25, 23:19 UTCMay 26, 00:19 UTC1h 0m
2026-05-22 N66717 CDW → CDW May 22, 11:40 UTCMay 22, 12:40 UTC1h 0m
2026-05-20 N66717 - May 20, 16:45 UTCMay 20, 17:50 UTC1h 5m
2026-05-19 N66717 - May 19, 15:35 UTCMay 19, 17:05 UTC1h 30m
2026-05-19 N66717 - May 19, 13:45 UTCMay 19, 14:50 UTC1h 5m
2026-05-19 N66717 CDW → CDW May 19, 01:05 UTCMay 19, 03:25 UTC2h 20m
2026-05-18 N66717 - May 18, 19:30 UTCMay 18, 19:55 UTC25m
2026-05-18 N66717 - May 18, 17:55 UTCMay 18, 18:20 UTC25m
2026-05-18 N66717 - May 18, 14:35 UTCMay 18, 15:35 UTC1h 0m
2026-05-17 N66717 - May 17, 20:20 UTCMay 17, 21:10 UTC50m
2026-05-17 N66717 - May 17, 18:45 UTCMay 17, 19:30 UTC45m
2026-05-17 N66717 - May 17, 17:05 UTCMay 17, 17:25 UTC20m
2026-05-17 N66717 - May 17, 14:40 UTCMay 17, 15:20 UTC40m
2026-05-17 N66717 - May 17, 12:55 UTCMay 17, 13:25 UTC30m
2026-05-16 N66717 - May 16, 18:50 UTCMay 16, 20:00 UTC1h 10m
2026-05-16 N66717 - May 16, 16:50 UTCMay 16, 18:00 UTC1h 10m
2026-05-16 N66717 - May 16, 14:46 UTCMay 16, 15:40 UTC55m
2026-05-16 N66717 CDW → CDW May 16, 11:41 UTCMay 16, 13:31 UTC1h 50m
2026-05-15 N66717 CDW → CDW May 15, 12:45 UTCMay 15, 14:05 UTC1h 20m
2026-05-14 N66717 - May 14, 22:10 UTCMay 14, 23:10 UTC1h 0m
2026-05-12 N66717 - May 12, 21:50 UTCMay 12, 22:55 UTC1h 5m
2026-05-12 N66717 CDW → CDW May 12, 16:55 UTCMay 12, 18:00 UTC1h 5m

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 N66717 page for operator, model, and routing details .

Mode-S A8D0D5 frequently asked

What is Mode-S code A8D0D5?
A8D0D5 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N66717.
Where is Mode-S A8D0D5 registered?
Mode-S code A8D0D5 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 A8D0D5 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8D0D5, octal 52150325, decimal 11,063,509.
What flights does A8D0D5 operate?
Mode-S A8D0D5 has broadcast 1 distinct callsign, including N66717.