Apparatus

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sensors Mode-S transponder

AD823C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N97KQ · DAHER Kodiak 100 · operated by AOGLINE.COM INC DBA, AMERITECH AEROSPACE

Hex
AD823C
Octal
53301074
Decimal
11,371,068
Country
US
Tail
N97KQ
Type
K100
No current signal · last broadcast 6d ago
Flights observed
80
Distinct callsigns
1
Country
US
Last broadcast
6d ago

Last known position

Most recent position reported by Mode-S AD823C.

Country allocation

The ICAO 24-bit address AD823C 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
N97KQ - 80 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-08 N97KQ - Jul 8, 19:10 UTCJul 8, 19:55 UTC45m
2026-07-08 N97KQ - Jul 8, 01:10 UTCJul 8, 02:10 UTC1h 0m
2026-07-07 N97KQ - Jul 7, 00:50 UTCJul 7, 01:05 UTC15m
2026-07-06 N97KQ - Jul 6, 22:10 UTCJul 6, 22:25 UTC15m
2026-07-05 N97KQ - Jul 5, 01:50 UTCJul 5, 02:25 UTC35m
2026-07-05 N97KQ - Jul 5, 00:40 UTCJul 5, 01:05 UTC25m
2026-06-25 N97KQ - Jun 25, 04:45 UTCJun 25, 05:15 UTC30m
2026-06-25 N97KQ - Jun 25, 03:44 UTCJun 25, 04:10 UTC25m
2026-06-24 N97KQ - Jun 24, 20:05 UTCJun 24, 21:50 UTC1h 45m
2026-06-24 N97KQ - Jun 24, 02:15 UTCJun 24, 02:54 UTC40m
2026-06-24 N97KQ - Jun 24, 01:24 UTCJun 24, 01:34 UTC10m
2026-06-23 N97KQ - Jun 23, 22:25 UTCJun 23, 22:55 UTC30m
2026-06-23 N97KQ - Jun 23, 21:29 UTCJun 23, 21:39 UTC10m
2026-06-19 N97KQ - Jun 19, 19:09 UTCJun 19, 23:14 UTC4h 5m
2026-06-19 N97KQ - Jun 19, 16:19 UTCJun 19, 16:29 UTC10m
2026-06-18 N97KQ - Jun 18, 19:00 UTCJun 19, 00:14 UTC5h 14m
2026-06-18 N97KQ - Jun 18, 17:21 UTCJun 18, 17:35 UTC14m
2026-06-16 N97KQ - Jun 16, 23:05 UTCJun 17, 00:00 UTC55m
2026-06-16 N97KQ - Jun 16, 22:15 UTCJun 16, 22:30 UTC15m
2026-06-16 N97KQ - Jun 16, 21:30 UTCJun 16, 21:40 UTC10m
2026-06-16 N97KQ - Jun 16, 20:40 UTCJun 16, 20:50 UTC10m
2026-06-16 N97KQ - Jun 16, 13:15 UTCJun 16, 13:30 UTC15m
2026-06-16 N97KQ - Jun 16, 03:10 UTCJun 16, 03:20 UTC10m
2026-06-14 N97KQ - Jun 14, 13:35 UTCJun 14, 13:45 UTC10m
2026-06-13 N97KQ - Jun 13, 23:15 UTCJun 13, 23:45 UTC30m
2026-06-13 N97KQ - Jun 13, 15:15 UTCJun 13, 15:40 UTC25m
2026-06-13 N97KQ - Jun 13, 12:10 UTCJun 13, 12:30 UTC20m
2026-06-13 N97KQ - Jun 13, 02:40 UTCJun 13, 02:50 UTC10m
2026-06-12 N97KQ - Jun 12, 22:00 UTCJun 12, 22:20 UTC20m
2026-06-12 N97KQ - Jun 12, 17:00 UTCJun 12, 17:20 UTC20m
2026-06-12 N97KQ - Jun 12, 13:45 UTCJun 12, 14:01 UTC15m
2026-06-11 N97KQ - Jun 11, 01:55 UTCJun 11, 02:35 UTC40m
2026-06-10 N97KQ - Jun 10, 21:25 UTCJun 10, 22:00 UTC35m
2026-06-09 N97KQ - Jun 9, 23:35 UTCJun 9, 23:55 UTC20m
2026-06-09 N97KQ - Jun 9, 18:25 UTCJun 9, 18:35 UTC10m
2026-06-09 N97KQ - Jun 9, 03:05 UTCJun 9, 03:15 UTC10m
2026-06-09 N97KQ - Jun 9, 00:55 UTCJun 9, 01:10 UTC15m
2026-06-07 N97KQ - Jun 7, 19:55 UTCJun 7, 20:15 UTC20m
2026-06-07 N97KQ - Jun 7, 16:05 UTCJun 7, 17:20 UTC1h 15m
2026-06-06 N97KQ - Jun 6, 02:35 UTCJun 6, 03:20 UTC45m
2026-06-05 N97KQ - Jun 5, 18:35 UTCJun 5, 19:05 UTC30m
2026-06-04 N97KQ - Jun 4, 22:40 UTCJun 5, 00:15 UTC1h 35m
2026-06-04 N97KQ - Jun 4, 21:35 UTCJun 4, 22:05 UTC30m
2026-06-03 N97KQ - Jun 3, 02:10 UTCJun 3, 02:25 UTC15m
2026-06-02 N97KQ - Jun 2, 21:05 UTCJun 2, 21:50 UTC45m
2026-06-02 N97KQ - Jun 2, 15:05 UTCJun 2, 15:35 UTC30m
2026-06-01 N97KQ - Jun 1, 22:40 UTCJun 2, 00:55 UTC2h 15m
2026-06-01 N97KQ - Jun 1, 20:20 UTCJun 1, 22:00 UTC1h 40m
2026-06-01 N97KQ - Jun 1, 17:45 UTCJun 1, 17:55 UTC10m
2026-06-01 N97KQ - Jun 1, 16:20 UTCJun 1, 17:00 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 N97KQ page for operator, model, and routing details .

Mode-S AD823C frequently asked

What is Mode-S code AD823C?
AD823C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N97KQ.
Where is Mode-S AD823C registered?
Mode-S code AD823C 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 AD823C broadcasting right now?
No active broadcast right now. Last signal was 6d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD823C, octal 53301074, decimal 11,371,068.
What flights does AD823C operate?
Mode-S AD823C has broadcast 1 distinct callsign, including N97KQ.