Apparatus

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sensors Mode-S transponder

A2ECCB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N288ME · CESSNA 172 Skyhawk · operated by SOUTH DAKOTA STATE UNIVERSITY

Hex
A2ECCB
Octal
50566313
Decimal
10,677,451
Country
US
Tail
N288ME
Type
C172
No current signal · last broadcast 6h ago
Flights observed
41
Distinct callsigns
1
Country
US
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S A2ECCB.

Country allocation

The ICAO 24-bit address A2ECCB 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
N288ME - 41 2026-06-22

Recent flights last 41

DateFlightRouteTakeoffLandingDuration
2026-06-22 N288ME BKX → BKX Jun 22, 21:45 UTCJun 22, 22:49 UTC1h 5m
2026-06-22 N288ME BKX → BKX Jun 22, 15:35 UTCJun 22, 16:24 UTC50m
2026-06-18 N288ME BKX → BKX Jun 18, 18:00 UTCJun 18, 19:00 UTC1h 0m
2026-06-18 N288ME BKX → BKX Jun 18, 16:25 UTCJun 18, 16:35 UTC10m
2026-06-18 N288ME BKX → BKX Jun 18, 15:30 UTCJun 18, 16:15 UTC45m
2026-06-18 N288ME - Jun 18, 14:30 UTCJun 18, 14:45 UTC15m
2026-06-18 N288ME - Jun 18, 13:20 UTCJun 18, 13:35 UTC15m
2026-06-17 N288ME BKX → BKX Jun 17, 13:20 UTCJun 17, 14:00 UTC40m
2026-06-16 N288ME - Jun 16, 21:30 UTCJun 16, 21:40 UTC10m
2026-06-16 N288ME - Jun 16, 20:25 UTCJun 16, 20:35 UTC10m
2026-06-16 N288ME BKX → BKX Jun 16, 18:29 UTCJun 16, 19:35 UTC1h 5m
2026-06-16 N288ME BKX → BKX Jun 16, 16:20 UTCJun 16, 17:30 UTC1h 10m
2026-06-16 N288ME BKX → BKX Jun 16, 14:25 UTCJun 16, 15:20 UTC55m
2026-06-15 N288ME BKX → BKX Jun 15, 18:25 UTCJun 15, 19:05 UTC40m
2026-06-15 N288ME BKX → BKX Jun 15, 16:19 UTCJun 15, 17:20 UTC1h 0m
2026-06-12 N288ME BKX → BKX Jun 12, 19:35 UTCJun 12, 21:45 UTC2h 10m
2026-06-12 N288ME BKX → BKX Jun 12, 17:25 UTCJun 12, 18:25 UTC1h 0m
2026-06-12 N288ME BKX → BKX Jun 12, 14:35 UTCJun 12, 15:35 UTC1h 0m
2026-06-11 N288ME BKX → BKX Jun 11, 14:55 UTCJun 11, 15:45 UTC50m
2026-06-11 N288ME BKX → BKX Jun 11, 01:45 UTCJun 11, 02:30 UTC45m
2026-06-10 N288ME BKX → BKX Jun 10, 16:20 UTCJun 10, 17:20 UTC1h 0m
2026-06-10 N288ME BKX → BKX Jun 10, 14:25 UTCJun 10, 15:30 UTC1h 5m
2026-06-09 N288ME - Jun 9, 13:55 UTCJun 9, 14:10 UTC15m
2026-06-09 N288ME - Jun 9, 13:00 UTCJun 9, 13:15 UTC15m
2026-06-08 N288ME MHE → BKX Jun 8, 20:55 UTCJun 8, 21:35 UTC40m
2026-05-29 N288ME BKX → MHE May 29, 15:30 UTCMay 29, 16:10 UTC40m
2026-04-30 N288ME BKX → BKX Apr 30, 15:35 UTCApr 30, 15:55 UTC20m
2026-04-30 N288ME BKX → BKX Apr 30, 15:20 UTCApr 30, 15:25 UTC5m
2026-04-29 N288ME - Apr 29, 20:35 UTCApr 29, 21:45 UTC1h 10m
2026-04-29 N288ME BKX → BKX Apr 29, 18:50 UTCApr 29, 19:55 UTC1h 5m
2026-04-29 N288ME BKX → BKX Apr 29, 14:40 UTCApr 29, 15:40 UTC1h 0m
2026-04-29 N288ME BKX → BKX Apr 29, 13:20 UTCApr 29, 13:25 UTC5m
2026-04-29 N288ME BKX → BKX Apr 29, 12:40 UTCApr 29, 12:45 UTC5m
2026-04-21 N288ME BKX → BKX Apr 21, 23:40 UTCApr 22, 00:30 UTC50m
2026-04-21 N288ME BKX → BKX Apr 21, 21:00 UTCApr 21, 22:10 UTC1h 10m
2026-04-21 N288ME BKX → BKX Apr 21, 18:45 UTCApr 21, 20:05 UTC1h 20m
2026-04-21 N288ME BKX → BKX Apr 21, 16:35 UTCApr 21, 17:20 UTC45m
2026-04-21 N288ME BKX → BKX Apr 21, 12:35 UTCApr 21, 13:40 UTC1h 5m
2026-04-19 N288ME BKX → BKX Apr 19, 21:30 UTCApr 19, 22:25 UTC55m
2026-04-13 N288ME BKX → BKX Apr 13, 21:15 UTCApr 13, 21:25 UTC10m
2026-04-13 N288ME BKX → BKX Apr 13, 20:50 UTCApr 13, 21:10 UTC20m

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 N288ME page for operator, model, and routing details .

Mode-S A2ECCB frequently asked

What is Mode-S code A2ECCB?
A2ECCB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N288ME.
Where is Mode-S A2ECCB registered?
Mode-S code A2ECCB 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 A2ECCB broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2ECCB, octal 50566313, decimal 10,677,451.
What flights does A2ECCB operate?
Mode-S A2ECCB has broadcast 1 distinct callsign, including N288ME.