sensors Mode-S transponder

AB97C1

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N846SP · CESSNA 172 Skyhawk · operated by SKY CAG LLC

Hex
AB97C1
Octal
52713701
Decimal
11,245,505
Country
US
Tail
N846SP
Type
C172
No current signal · last broadcast Jul 26, 18:45 UTC
Flights observed
188
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 18:45 UTC

Last known position

Most recent position reported by Mode-S AB97C1.

Country allocation

The ICAO 24-bit address AB97C1 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
N846SP - 188 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N846SP SPQ → TOA Jul 26, 18:05 UTCJul 26, 18:45 UTC40m
2026-07-25 N846SP TOA → TOA Jul 25, 23:05 UTCJul 26, 00:35 UTC1h 30m
2026-07-25 N846SP TOA → TOA Jul 25, 15:15 UTCJul 25, 17:15 UTC2h 0m
2026-07-25 N846SP - Jul 25, 01:40 UTCJul 25, 02:45 UTC1h 5m
2026-07-24 N846SP TOA → TOA Jul 24, 23:45 UTCJul 25, 00:45 UTC1h 0m
2026-07-24 N846SP TOA → TOA Jul 24, 21:30 UTCJul 24, 22:35 UTC1h 5m
2026-07-24 N846SP - Jul 24, 17:40 UTCJul 24, 18:45 UTC1h 5m
2026-07-23 N846SP TOA → TOA Jul 23, 23:10 UTCJul 23, 23:50 UTC40m
2026-07-23 N846SP - Jul 23, 19:15 UTCJul 23, 20:30 UTC1h 15m
2026-07-22 N846SP - Jul 22, 21:35 UTCJul 22, 22:15 UTC40m
2026-07-22 N846SP SPQ → TOA Jul 22, 19:55 UTCJul 22, 20:45 UTC50m
2026-07-22 N846SP SBA → TOA Jul 22, 02:35 UTCJul 22, 03:30 UTC55m
2026-07-22 N846SP TOA → SBA Jul 22, 01:10 UTCJul 22, 02:25 UTC1h 15m
2026-07-21 N846SP - Jul 21, 21:40 UTCJul 21, 22:45 UTC1h 5m
2026-07-21 N846SP - Jul 21, 19:55 UTCJul 21, 20:50 UTC55m
2026-07-21 N846SP - Jul 21, 18:00 UTCJul 21, 18:50 UTC50m
2026-07-20 N846SP - Jul 20, 21:35 UTCJul 20, 22:40 UTC1h 5m
2026-07-18 N846SP - Jul 18, 18:50 UTCJul 18, 19:10 UTC20m
2026-07-18 N846SP - Jul 18, 16:40 UTCJul 18, 17:10 UTC30m
2026-07-17 N846SP SPQ → TOA Jul 17, 21:50 UTCJul 17, 22:45 UTC55m
2026-07-16 N846SP - Jul 16, 21:55 UTCJul 16, 22:35 UTC40m
2026-07-16 N846SP - Jul 16, 19:55 UTCJul 16, 20:39 UTC45m
2026-07-15 N846SP TOA → TOA Jul 15, 19:20 UTCJul 15, 20:35 UTC1h 15m
2026-07-15 N846SP TOA → TOA Jul 15, 18:00 UTCJul 15, 18:40 UTC40m
2026-07-14 N846SP TOA → TOA Jul 14, 19:30 UTCJul 14, 20:35 UTC1h 5m
2026-07-11 N846SP - Jul 11, 21:35 UTCJul 11, 22:55 UTC1h 20m
2026-07-11 N846SP - Jul 11, 19:45 UTCJul 11, 20:40 UTC55m
2026-07-10 N846SP TOA → TOA Jul 10, 20:10 UTCJul 10, 21:05 UTC55m
2026-07-09 N846SP - Jul 9, 17:45 UTCJul 9, 18:35 UTC50m
2026-07-08 N846SP - Jul 8, 21:55 UTCJul 8, 22:35 UTC40m
2026-07-08 N846SP - Jul 8, 19:40 UTCJul 8, 20:20 UTC40m
2026-07-07 N846SP - Jul 7, 20:55 UTCJul 7, 21:35 UTC40m
2026-07-07 N846SP TOA → TOA Jul 7, 17:25 UTCJul 7, 18:25 UTC1h 0m
2026-07-05 N846SP - Jul 5, 19:55 UTCJul 5, 20:50 UTC55m
2026-07-03 N846SP TOA → TOA Jul 3, 21:20 UTCJul 3, 22:35 UTC1h 15m
2026-07-03 N846SP - Jul 3, 19:35 UTCJul 3, 20:20 UTC45m
2026-07-03 N846SP - Jul 3, 17:45 UTCJul 3, 18:40 UTC55m
2026-07-03 N846SP - Jul 3, 01:25 UTCJul 3, 02:25 UTC1h 0m
2026-07-02 N846SP - Jul 2, 20:45 UTCJul 2, 21:40 UTC55m
2026-07-02 N846SP TOA → TOA Jul 2, 18:35 UTCJul 2, 19:35 UTC1h 0m
2026-06-30 N846SP TOA → TOA Jun 30, 23:40 UTCJul 1, 00:50 UTC1h 10m
2026-06-28 N846SP TOA → TOA Jun 28, 21:55 UTCJun 28, 22:55 UTC1h 0m
2026-06-28 N846SP - Jun 28, 19:55 UTCJun 28, 20:59 UTC1h 5m
2026-06-28 N846SP - Jun 28, 17:34 UTCJun 28, 18:40 UTC1h 5m
2026-06-27 N846SP SPQ → TOA Jun 27, 18:49 UTCJun 27, 19:45 UTC55m
2026-06-26 N846SP TOA → TOA Jun 26, 19:39 UTCJun 26, 20:40 UTC1h 0m
2026-06-25 N846SP - Jun 25, 21:25 UTCJun 25, 22:29 UTC1h 5m
2026-06-25 N846SP - Jun 25, 19:54 UTCJun 25, 20:45 UTC50m
2026-06-24 N846SP - Jun 24, 21:50 UTCJun 24, 22:55 UTC1h 5m
2026-06-24 N846SP - Jun 24, 19:29 UTCJun 24, 20:40 UTC1h 10m

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 N846SP page for operator, model, and routing details .

Mode-S AB97C1 frequently asked

What is Mode-S code AB97C1?
AB97C1 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N846SP.
Where is Mode-S AB97C1 registered?
Mode-S code AB97C1 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 AB97C1 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB97C1, octal 52713701, decimal 11,245,505.
What flights does AB97C1 operate?
Mode-S AB97C1 has broadcast 1 distinct callsign, including N846SP.