Apparatus

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sensors Mode-S transponder

AC97CE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N910MR · PIPER PA-28-140/150/160/180 · operated by ECHO DYNAMICS

Hex
AC97CE
Octal
53113716
Decimal
11,311,054
Country
US
Tail
N910MR
Type
P28A
No current signal · last broadcast 11h ago
Flights observed
135
Distinct callsigns
1
Country
US
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S AC97CE.

Country allocation

The ICAO 24-bit address AC97CE 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
N910MR - 135 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N910MR - Jul 14, 05:05 UTCJul 14, 05:40 UTC35m
2026-07-14 N910MR - Jul 14, 03:50 UTCJul 14, 04:30 UTC40m
2026-07-14 N910MR - Jul 14, 00:00 UTCJul 14, 01:25 UTC1h 25m
2026-07-12 N910MR - Jul 12, 18:20 UTCJul 12, 19:30 UTC1h 10m
2026-07-12 N910MR - Jul 12, 16:30 UTCJul 12, 17:10 UTC40m
2026-07-12 N910MR - Jul 12, 15:45 UTCJul 12, 16:20 UTC35m
2026-07-11 N910MR - Jul 11, 22:10 UTCJul 11, 23:35 UTC1h 25m
2026-07-11 N910MR - Jul 11, 19:10 UTCJul 11, 20:25 UTC1h 15m
2026-07-11 N910MR - Jul 11, 17:35 UTCJul 11, 18:00 UTC25m
2026-07-11 N910MR - Jul 11, 01:05 UTCJul 11, 02:30 UTC1h 25m
2026-07-10 N910MR - Jul 10, 22:45 UTCJul 11, 00:20 UTC1h 35m
2026-07-10 N910MR - Jul 10, 19:20 UTCJul 10, 20:10 UTC50m
2026-07-10 N910MR - Jul 10, 17:05 UTCJul 10, 17:50 UTC45m
2026-07-10 N910MR - Jul 10, 02:10 UTCJul 10, 03:05 UTC55m
2026-07-10 N910MR SEE → SBD Jul 10, 00:10 UTCJul 10, 01:20 UTC1h 10m
2026-07-09 N910MR SEE → SEE Jul 9, 21:15 UTCJul 9, 22:55 UTC1h 40m
2026-07-08 N910MR - Jul 8, 23:55 UTCJul 9, 01:20 UTC1h 25m
2026-07-08 N910MR SEE → SEE Jul 8, 17:30 UTCJul 8, 18:10 UTC40m
2026-07-08 N910MR SEE → SEE Jul 8, 00:25 UTCJul 8, 00:50 UTC25m
2026-07-07 N910MR SEE → SEE Jul 7, 20:30 UTCJul 7, 23:35 UTC3h 5m
2026-07-07 N910MR SEE → SEE Jul 7, 00:20 UTCJul 7, 01:20 UTC1h 0m
2026-07-06 N910MR SEE → SEE Jul 6, 21:30 UTCJul 6, 23:05 UTC1h 35m
2026-07-06 N910MR SEE → SEE Jul 6, 17:45 UTCJul 6, 18:00 UTC15m
2026-07-03 N910MR SEE → SEE Jul 3, 19:00 UTCJul 3, 19:45 UTC45m
2026-07-03 N910MR SEE → SEE Jul 3, 15:55 UTCJul 3, 17:10 UTC1h 15m
2026-07-03 N910MR SEE → SEE Jul 3, 03:15 UTCJul 3, 04:20 UTC1h 5m
2026-07-01 N910MR SEE → SEE Jul 1, 23:45 UTCJul 2, 00:25 UTC40m
2026-06-30 N910MR - Jun 30, 23:55 UTCJul 1, 00:50 UTC55m
2026-06-29 N910MR SEE → SEE Jun 29, 21:09 UTCJun 29, 21:50 UTC40m
2026-06-28 N910MR - Jun 28, 21:24 UTCJun 28, 22:20 UTC55m
2026-06-27 N910MR - Jun 27, 18:29 UTCJun 27, 19:24 UTC55m
2026-06-27 N910MR - Jun 27, 16:00 UTCJun 27, 17:04 UTC1h 5m
2026-06-27 N910MR SEE → SEE Jun 27, 00:20 UTCJun 27, 01:19 UTC1h 0m
2026-06-25 N910MR - Jun 25, 22:59 UTCJun 25, 23:14 UTC15m
2026-06-25 N910MR - Jun 25, 00:09 UTCJun 25, 02:10 UTC2h 0m
2026-06-24 N910MR - Jun 24, 21:24 UTCJun 24, 22:29 UTC1h 5m
2026-06-24 N910MR - Jun 24, 17:34 UTCJun 24, 20:14 UTC2h 40m
2026-06-24 N910MR - Jun 24, 14:00 UTCJun 24, 14:39 UTC40m
2026-06-23 N910MR - Jun 23, 18:34 UTCJun 23, 19:15 UTC40m
2026-06-23 N910MR - Jun 23, 15:19 UTCJun 23, 16:35 UTC1h 15m
2026-06-23 N910MR - Jun 23, 13:55 UTCJun 23, 14:29 UTC35m
2026-06-23 N910MR SEE → SEE Jun 23, 01:10 UTCJun 23, 01:40 UTC30m
2026-06-22 N910MR SEE → SEE Jun 22, 21:59 UTCJun 22, 23:29 UTC1h 30m
2026-06-22 N910MR SEE → SEE Jun 22, 19:44 UTCJun 22, 20:55 UTC1h 10m
2026-06-22 N910MR - Jun 22, 16:54 UTCJun 22, 17:20 UTC25m
2026-06-22 N910MR SEE → RBK Jun 22, 15:29 UTCJun 22, 15:59 UTC30m
2026-06-22 N910MR - Jun 22, 03:40 UTCJun 22, 06:05 UTC2h 25m
2026-06-21 N910MR - Jun 21, 23:44 UTCJun 22, 02:00 UTC2h 15m
2026-06-21 N910MR - Jun 21, 20:34 UTCJun 21, 20:54 UTC20m
2026-06-21 N910MR - Jun 21, 19:20 UTCJun 21, 19:55 UTC35m

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 N910MR page for operator, model, and routing details .

Mode-S AC97CE frequently asked

What is Mode-S code AC97CE?
AC97CE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N910MR.
Where is Mode-S AC97CE registered?
Mode-S code AC97CE 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 AC97CE broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC97CE, octal 53113716, decimal 11,311,054.
What flights does AC97CE operate?
Mode-S AC97CE has broadcast 1 distinct callsign, including N910MR.