Apparatus

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sensors Mode-S transponder

AC1E49

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N880ER · CESSNA 172 Skyhawk · operated by EMBRY-RIDDLE AERONAUTICAL UNIVERSITY INC

Hex
AC1E49
Octal
53017111
Decimal
11,279,945
Country
US
Tail
N880ER
Type
C172
No current signal · last broadcast 22d ago
Flights observed
308
Distinct callsigns
1
Country
US
Last broadcast
22d ago

Last known position

Most recent position reported by Mode-S AC1E49.

Country allocation

The ICAO 24-bit address AC1E49 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
ERU880 - 308 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 ERU880 - Jul 24, 17:25 UTCJul 24, 19:15 UTC1h 50m
2026-07-24 ERU880 - Jul 24, 14:55 UTCJul 24, 15:55 UTC1h 0m
2026-07-24 ERU880 - Jul 24, 14:10 UTCJul 24, 14:25 UTC15m
2026-07-24 ERU880 - Jul 24, 10:30 UTCJul 24, 12:00 UTC1h 30m
2026-07-23 ERU880 - Jul 23, 23:10 UTCJul 24, 00:30 UTC1h 20m
2026-07-23 ERU880 - Jul 23, 18:25 UTCJul 23, 21:15 UTC2h 50m
2026-07-23 ERU880 - Jul 23, 14:45 UTCJul 23, 17:10 UTC2h 25m
2026-07-22 ERU880 - Jul 22, 22:35 UTCJul 22, 23:55 UTC1h 20m
2026-07-22 ERU880 - Jul 22, 18:40 UTCJul 22, 20:25 UTC1h 45m
2026-07-22 ERU880 - Jul 22, 13:00 UTCJul 22, 16:50 UTC3h 50m
2026-07-19 ERU880 - Jul 19, 20:20 UTCJul 19, 21:00 UTC40m
2026-07-19 ERU880 - Jul 19, 12:45 UTCJul 19, 13:15 UTC30m
2026-07-19 ERU880 - Jul 19, 10:10 UTCJul 19, 11:00 UTC50m
2026-07-19 ERU880 - Jul 19, 02:05 UTCJul 19, 03:15 UTC1h 10m
2026-07-18 ERU880 - Jul 18, 20:15 UTCJul 18, 21:05 UTC50m
2026-07-18 ERU880 - Jul 18, 16:40 UTCJul 18, 17:10 UTC30m
2026-07-18 ERU880 - Jul 18, 15:00 UTCJul 18, 15:40 UTC40m
2026-07-18 ERU880 - Jul 18, 00:39 UTCJul 18, 02:00 UTC1h 20m
2026-07-17 ERU880 - Jul 17, 20:00 UTCJul 17, 20:15 UTC15m
2026-07-17 ERU880 - Jul 17, 15:15 UTCJul 17, 16:00 UTC45m
2026-07-17 ERU880 - Jul 17, 10:50 UTCJul 17, 12:10 UTC1h 20m
2026-07-16 ERU880 - Jul 16, 23:25 UTCJul 16, 23:35 UTC10m
2026-07-16 ERU880 - Jul 16, 19:35 UTCJul 16, 21:35 UTC2h 0m
2026-07-16 ERU880 - Jul 16, 15:25 UTCJul 16, 16:55 UTC1h 30m
2026-07-15 ERU880 - Jul 15, 20:05 UTCJul 15, 20:55 UTC50m
2026-07-15 ERU880 - Jul 15, 16:50 UTCJul 15, 18:45 UTC1h 55m
2026-07-15 ERU880 - Jul 15, 13:30 UTCJul 15, 14:15 UTC45m
2026-07-15 ERU880 - Jul 15, 01:35 UTCJul 15, 02:50 UTC1h 15m
2026-07-14 ERU880 - Jul 14, 16:10 UTCJul 14, 17:25 UTC1h 15m
2026-07-14 ERU880 - Jul 14, 13:20 UTCJul 14, 14:20 UTC1h 0m
2026-07-10 ERU880 - Jul 10, 12:40 UTCJul 10, 14:10 UTC1h 30m
2026-07-10 ERU880 - Jul 10, 10:30 UTCJul 10, 11:30 UTC1h 0m
2026-07-09 ERU880 - Jul 9, 21:20 UTCJul 9, 21:40 UTC20m
2026-07-09 ERU880 - Jul 9, 19:50 UTCJul 9, 20:05 UTC15m
2026-07-09 ERU880 - Jul 9, 18:20 UTCJul 9, 18:30 UTC10m
2026-07-09 ERU880 - Jul 9, 16:50 UTCJul 9, 17:50 UTC1h 0m
2026-07-09 ERU880 - Jul 9, 13:20 UTCJul 9, 14:20 UTC1h 0m
2026-07-08 ERU880 - Jul 8, 14:40 UTCJul 8, 15:10 UTC30m
2026-07-08 ERU880 - Jul 8, 13:55 UTCJul 8, 14:10 UTC15m
2026-07-08 ERU880 - Jul 8, 10:40 UTCJul 8, 12:10 UTC1h 30m
2026-07-08 ERU880 - Jul 8, 01:40 UTCJul 8, 03:20 UTC1h 40m
2026-07-07 ERU880 - Jul 7, 22:45 UTCJul 7, 23:30 UTC45m
2026-07-07 ERU880 - Jul 7, 18:35 UTCJul 7, 19:10 UTC35m
2026-07-07 ERU880 - Jul 7, 17:25 UTCJul 7, 18:00 UTC35m
2026-07-07 ERU880 - Jul 7, 13:15 UTCJul 7, 14:20 UTC1h 5m
2026-07-07 ERU880 - Jul 7, 10:30 UTCJul 7, 11:30 UTC1h 0m
2026-07-06 ERU880 - Jul 6, 21:35 UTCJul 6, 22:35 UTC1h 0m
2026-07-06 ERU880 - Jul 6, 15:45 UTCJul 6, 17:05 UTC1h 20m
2026-07-06 ERU880 - Jul 6, 13:15 UTCJul 6, 14:30 UTC1h 15m
2026-07-06 ERU880 - Jul 6, 11:20 UTCJul 6, 11:50 UTC30m

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 N880ER page for operator, model, and routing details .

Mode-S AC1E49 frequently asked

What is Mode-S code AC1E49?
AC1E49 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N880ER.
Where is Mode-S AC1E49 registered?
Mode-S code AC1E49 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 AC1E49 broadcasting right now?
No active broadcast right now. Last signal was 22d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC1E49, octal 53017111, decimal 11,279,945.
What flights does AC1E49 operate?
Mode-S AC1E49 has broadcast 1 distinct callsign, including ERU880.