Apparatus

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sensors Mode-S transponder

A893B3

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N6516Z · PIPER PA-25 Pawnee · operated by AKIMA LOGISTICS SERVICES LLC

Hex
A893B3
Octal
52111663
Decimal
11,047,859
Country
US
Tail
N6516Z
Type
PA25
No current signal · last broadcast 9h ago
Flights observed
65
Distinct callsigns
1
Country
US
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S A893B3.

Country allocation

The ICAO 24-bit address A893B3 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
N6516Z - 65 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 N6516Z AFF → AFF Jul 17, 20:00 UTCJul 17, 22:29 UTC2h 30m
2026-07-17 N6516Z - Jul 17, 17:35 UTCJul 17, 18:55 UTC1h 20m
2026-07-17 N6516Z - Jul 17, 12:30 UTCJul 17, 16:34 UTC4h 5m
2026-07-16 N6516Z AFF → AFF Jul 16, 17:25 UTCJul 16, 18:05 UTC40m
2026-07-16 N6516Z - Jul 16, 12:34 UTCJul 16, 16:49 UTC4h 15m
2026-07-14 N6516Z - Jul 14, 16:50 UTCJul 14, 17:50 UTC1h 0m
2026-07-14 N6516Z AFF → AFF Jul 14, 12:30 UTCJul 14, 16:15 UTC3h 45m
2026-07-13 N6516Z - Jul 13, 16:15 UTCJul 13, 18:25 UTC2h 10m
2026-07-13 N6516Z AFF → AFF Jul 13, 14:45 UTCJul 13, 15:45 UTC1h 0m
2026-07-13 N6516Z - Jul 13, 12:40 UTCJul 13, 14:10 UTC1h 30m
2026-07-10 N6516Z - Jul 10, 12:35 UTCJul 10, 19:45 UTC7h 10m
2026-07-09 N6516Z AFF → AFF Jul 9, 15:15 UTCJul 9, 18:10 UTC2h 55m
2026-07-09 N6516Z AFF → AFF Jul 9, 12:20 UTCJul 9, 13:45 UTC1h 25m
2026-07-08 N6516Z AFF → AFF Jul 8, 23:25 UTCJul 8, 23:45 UTC20m
2026-07-08 N6516Z AFF → AFF Jul 8, 16:20 UTCJul 8, 18:05 UTC1h 45m
2026-07-08 N6516Z - Jul 8, 12:25 UTCJul 8, 13:00 UTC35m
2026-07-06 N6516Z AFF → AFF Jul 6, 23:05 UTCJul 7, 00:25 UTC1h 20m
2026-07-06 N6516Z AFF → AFF Jul 6, 12:30 UTCJul 6, 22:00 UTC9h 30m
2026-07-02 N6516Z - Jul 2, 16:15 UTCJul 2, 18:15 UTC2h 0m
2026-07-02 N6516Z AFF → AFF Jul 2, 14:40 UTCJul 2, 15:45 UTC1h 5m
2026-07-02 N6516Z AFF → AFF Jul 2, 12:25 UTCJul 2, 13:50 UTC1h 25m
2026-07-01 N6516Z AFF → AFF Jul 1, 20:45 UTCJul 1, 20:55 UTC10m
2026-07-01 N6516Z - Jul 1, 19:50 UTCJul 1, 20:10 UTC20m
2026-07-01 N6516Z - Jul 1, 18:45 UTCJul 1, 18:55 UTC10m
2026-07-01 N6516Z AFF → AFF Jul 1, 14:25 UTCJul 1, 18:15 UTC3h 50m
2026-07-01 N6516Z AFF → AFF Jul 1, 12:25 UTCJul 1, 13:25 UTC1h 0m
2026-06-30 N6516Z AFF → AFF Jun 30, 14:05 UTCJun 30, 18:10 UTC4h 5m
2026-06-30 N6516Z - Jun 30, 12:25 UTCJun 30, 13:35 UTC1h 10m
2026-06-25 N6516Z AFF → AFF Jun 25, 13:59 UTCJun 25, 16:39 UTC2h 40m
2026-06-23 N6516Z AFF → AFF Jun 23, 13:45 UTCJun 23, 18:14 UTC4h 30m
2026-06-22 N6516Z AFF → AFF Jun 22, 22:40 UTCJun 23, 00:30 UTC1h 50m
2026-06-22 N6516Z AFF → AFF Jun 22, 17:10 UTCJun 22, 18:30 UTC1h 20m
2026-06-22 N6516Z AFF → AFF Jun 22, 14:49 UTCJun 22, 16:24 UTC1h 35m
2026-06-22 N6516Z - Jun 22, 13:10 UTCJun 22, 14:19 UTC1h 10m
2026-06-22 N6516Z - Jun 22, 12:19 UTCJun 22, 12:40 UTC20m
2026-06-18 N6516Z - Jun 18, 16:25 UTCJun 19, 00:55 UTC8h 29m
2026-06-18 N6516Z AFF → AFF Jun 18, 12:20 UTCJun 18, 14:30 UTC2h 10m
2026-06-16 N6516Z AFF → AFF Jun 16, 23:45 UTCJun 17, 00:55 UTC1h 10m
2026-06-16 N6516Z AFF → AFF Jun 16, 21:50 UTCJun 16, 23:10 UTC1h 20m
2026-06-16 N6516Z - Jun 16, 18:55 UTCJun 16, 19:40 UTC45m
2026-06-16 N6516Z AFF → AFF Jun 16, 12:20 UTCJun 16, 17:24 UTC5h 5m
2026-06-15 N6516Z AFF → AFF Jun 15, 15:55 UTCJun 15, 18:40 UTC2h 45m
2026-06-15 N6516Z AFF → AFF Jun 15, 13:45 UTCJun 15, 15:10 UTC1h 25m
2026-06-15 N6516Z AFF → AFF Jun 15, 12:30 UTCJun 15, 12:45 UTC15m
2026-06-11 N6516Z AFF → AFF Jun 11, 12:25 UTCJun 11, 18:00 UTC5h 35m
2026-06-10 N6516Z AFF → AFF Jun 10, 15:30 UTCJun 10, 16:20 UTC50m
2026-06-10 N6516Z - Jun 10, 12:30 UTCJun 10, 14:45 UTC2h 15m
2026-06-08 N6516Z - Jun 8, 12:20 UTCJun 8, 20:35 UTC8h 15m
2026-06-06 N6516Z AFF → AFF Jun 6, 14:04 UTCJun 6, 18:09 UTC4h 5m
2026-06-04 N6516Z - Jun 4, 17:30 UTCJun 4, 18:25 UTC55m

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 N6516Z page for operator, model, and routing details .

Mode-S A893B3 frequently asked

What is Mode-S code A893B3?
A893B3 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N6516Z.
Where is Mode-S A893B3 registered?
Mode-S code A893B3 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 A893B3 broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A893B3, octal 52111663, decimal 11,047,859.
What flights does A893B3 operate?
Mode-S A893B3 has broadcast 1 distinct callsign, including N6516Z.