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sensors Mode-S transponder

A1848C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N1970H · PIPER PA-28-140/150/160/180 · operated by CAPE FEAR AVIATION SERVICES LLC

Hex
A1848C
Octal
50302214
Decimal
10,585,228
Country
US
Tail
N1970H
Type
P28A
No current signal · last broadcast 9d ago
Flights observed
138
Distinct callsigns
1
Country
US
Last broadcast
9d ago

Last known position

Most recent position reported by Mode-S A1848C.

Country allocation

The ICAO 24-bit address A1848C 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
N1970H - 138 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N1970H - Jul 26, 19:25 UTCJul 26, 20:30 UTC1h 5m
2026-07-26 N1970H - Jul 26, 17:35 UTCJul 26, 18:10 UTC35m
2026-07-20 N1970H - Jul 20, 17:35 UTCJul 20, 17:45 UTC10m
2026-07-20 N1970H - Jul 20, 16:35 UTCJul 20, 16:50 UTC15m
2026-07-18 N1970H - Jul 18, 19:30 UTCJul 18, 19:50 UTC20m
2026-07-18 N1970H - Jul 18, 14:35 UTCJul 18, 15:15 UTC40m
2026-07-17 N1970H - Jul 17, 15:49 UTCJul 17, 16:59 UTC1h 10m
2026-07-17 N1970H - Jul 17, 13:50 UTCJul 17, 14:44 UTC55m
2026-07-16 N1970H - Jul 16, 12:49 UTCJul 16, 13:45 UTC55m
2026-07-15 N1970H - Jul 15, 15:50 UTCJul 15, 16:05 UTC15m
2026-07-15 N1970H - Jul 15, 13:15 UTCJul 15, 14:10 UTC55m
2026-07-14 N1970H - Jul 14, 21:50 UTCJul 14, 23:15 UTC1h 24m
2026-07-14 N1970H - Jul 14, 14:55 UTCJul 14, 15:45 UTC50m
2026-07-11 N1970H - Jul 11, 16:35 UTCJul 11, 17:40 UTC1h 5m
2026-07-11 N1970H - Jul 11, 12:30 UTCJul 11, 13:20 UTC50m
2026-07-10 N1970H - Jul 10, 14:55 UTCJul 10, 15:50 UTC55m
2026-07-10 N1970H - Jul 10, 12:45 UTCJul 10, 13:40 UTC55m
2026-07-09 N1970H - Jul 9, 17:25 UTCJul 9, 17:45 UTC20m
2026-07-09 N1970H - Jul 9, 16:25 UTCJul 9, 16:50 UTC25m
2026-07-09 N1970H - Jul 9, 14:45 UTCJul 9, 15:35 UTC50m
2026-07-09 N1970H - Jul 9, 12:45 UTCJul 9, 13:35 UTC50m
2026-07-09 N1970H - Jul 9, 00:15 UTCJul 9, 00:40 UTC25m
2026-07-08 N1970H - Jul 8, 23:15 UTCJul 8, 23:30 UTC15m
2026-07-08 N1970H - Jul 8, 15:00 UTCJul 8, 15:50 UTC50m
2026-07-08 N1970H - Jul 8, 13:00 UTCJul 8, 13:50 UTC50m
2026-07-07 N1970H - Jul 7, 19:05 UTCJul 7, 19:20 UTC15m
2026-07-07 N1970H - Jul 7, 12:50 UTCJul 7, 13:00 UTC10m
2026-07-05 N1970H - Jul 5, 12:45 UTCJul 5, 13:45 UTC1h 0m
2026-07-04 N1970H - Jul 4, 15:25 UTCJul 4, 16:50 UTC1h 25m
2026-07-03 N1970H - Jul 3, 22:10 UTCJul 3, 22:50 UTC40m
2026-07-03 N1970H - Jul 3, 18:30 UTCJul 3, 18:45 UTC15m
2026-07-03 N1970H - Jul 3, 16:30 UTCJul 3, 17:25 UTC55m
2026-07-03 N1970H - Jul 3, 12:40 UTCJul 3, 13:45 UTC1h 5m
2026-07-02 N1970H - Jul 2, 21:00 UTCJul 2, 21:30 UTC30m
2026-07-02 N1970H - Jul 2, 20:05 UTCJul 2, 20:15 UTC10m
2026-07-02 N1970H - Jul 2, 16:40 UTCJul 2, 17:50 UTC1h 10m
2026-07-02 N1970H - Jul 2, 15:45 UTCJul 2, 15:55 UTC10m
2026-07-02 N1970H - Jul 2, 14:45 UTCJul 2, 15:00 UTC15m
2026-06-27 N1970H - Jun 27, 16:39 UTCJun 27, 17:25 UTC45m
2026-06-26 N1970H - Jun 26, 16:30 UTCJun 26, 18:09 UTC1h 40m
2026-06-26 N1970H - Jun 26, 14:55 UTCJun 26, 15:49 UTC55m
2026-06-25 N1970H - Jun 25, 17:30 UTCJun 25, 18:34 UTC1h 5m
2026-06-25 N1970H - Jun 25, 14:39 UTCJun 25, 15:34 UTC55m
2026-06-24 N1970H - Jun 24, 18:25 UTCJun 24, 18:34 UTC10m
2026-06-24 N1970H - Jun 24, 16:34 UTCJun 24, 16:45 UTC10m
2026-06-24 N1970H - Jun 24, 14:39 UTCJun 24, 15:35 UTC55m
2026-06-23 N1970H - Jun 23, 14:44 UTCJun 23, 15:04 UTC20m
2026-06-21 N1970H - Jun 21, 20:24 UTCJun 21, 20:45 UTC20m
2026-06-21 N1970H - Jun 21, 19:34 UTCJun 21, 19:50 UTC15m
2026-06-21 N1970H - Jun 21, 14:44 UTCJun 21, 15:30 UTC45m

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 N1970H page for operator, model, and routing details .

Mode-S A1848C frequently asked

What is Mode-S code A1848C?
A1848C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N1970H.
Where is Mode-S A1848C registered?
Mode-S code A1848C 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 A1848C broadcasting right now?
No active broadcast right now. Last signal was 9d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A1848C, octal 50302214, decimal 10,585,228.
What flights does A1848C operate?
Mode-S A1848C has broadcast 1 distinct callsign, including N1970H.