Apparatus

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sensors Mode-S transponder

A288FE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N2621Z · CESSNA 172R Cutlass RG · operated by WIFA (WASHINGTON INTERNATIONAL FLIGHT ACADEMY) LLC

Hex
A288FE
Octal
50504376
Decimal
10,651,902
Country
US
Tail
N2621Z
Type
C72R
No current signal · last broadcast 5h ago
Flights observed
218
Distinct callsigns
1
Country
US
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S A288FE.

Country allocation

The ICAO 24-bit address A288FE 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
N2621Z - 218 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 N2621Z GAI → GAI Jul 24, 23:40 UTCJul 25, 00:15 UTC35m
2026-07-24 N2621Z - Jul 24, 19:50 UTCJul 24, 21:10 UTC1h 20m
2026-07-24 N2621Z GAI → GAI Jul 24, 15:50 UTCJul 24, 16:45 UTC55m
2026-07-24 N2621Z GAI → GAI Jul 24, 12:40 UTCJul 24, 13:25 UTC45m
2026-07-24 N2621Z - Jul 24, 01:40 UTCJul 24, 02:40 UTC1h 0m
2026-07-23 N2621Z - Jul 23, 23:15 UTCJul 24, 00:05 UTC50m
2026-07-23 N2621Z - Jul 23, 19:15 UTCJul 23, 20:30 UTC1h 15m
2026-07-23 N2621Z - Jul 23, 13:30 UTCJul 23, 14:35 UTC1h 5m
2026-07-22 N2621Z - Jul 22, 20:40 UTCJul 22, 20:55 UTC15m
2026-07-22 N2621Z - Jul 22, 18:45 UTCJul 22, 19:30 UTC45m
2026-07-22 N2621Z GAI → GAI Jul 22, 15:55 UTCJul 22, 18:00 UTC2h 5m
2026-07-20 N2621Z - Jul 20, 22:10 UTCJul 20, 23:30 UTC1h 20m
2026-07-20 N2621Z - Jul 20, 20:55 UTCJul 20, 21:15 UTC20m
2026-07-20 N2621Z - Jul 20, 18:20 UTCJul 20, 19:55 UTC1h 35m
2026-07-20 N2621Z - Jul 20, 16:25 UTCJul 20, 16:45 UTC20m
2026-07-20 N2621Z - Jul 20, 15:00 UTCJul 20, 15:20 UTC20m
2026-07-20 N2621Z GAI → GAI Jul 20, 02:05 UTCJul 20, 04:25 UTC2h 20m
2026-07-19 N2621Z - Jul 19, 23:40 UTCJul 20, 00:45 UTC1h 5m
2026-07-19 N2621Z - Jul 19, 21:05 UTCJul 19, 21:25 UTC20m
2026-07-19 N2621Z GAI → GAI Jul 19, 17:00 UTCJul 19, 18:15 UTC1h 15m
2026-07-19 N2621Z - Jul 19, 13:30 UTCJul 19, 13:55 UTC25m
2026-07-17 N2621Z - Jul 17, 00:35 UTCJul 17, 00:45 UTC10m
2026-07-16 N2621Z GAI → GAI Jul 16, 14:45 UTCJul 16, 15:35 UTC50m
2026-07-15 N2621Z - Jul 15, 20:15 UTCJul 15, 21:00 UTC45m
2026-07-15 N2621Z - Jul 15, 18:10 UTCJul 15, 18:30 UTC20m
2026-07-15 N2621Z GAI → GAI Jul 15, 15:15 UTCJul 15, 15:50 UTC35m
2026-07-15 N2621Z - Jul 15, 13:00 UTCJul 15, 14:05 UTC1h 5m
2026-07-14 N2621Z - Jul 14, 18:10 UTCJul 14, 19:15 UTC1h 5m
2026-07-14 N2621Z - Jul 14, 15:20 UTCJul 14, 16:20 UTC1h 0m
2026-07-14 N2621Z - Jul 14, 00:50 UTCJul 14, 01:50 UTC1h 0m
2026-07-13 N2621Z GAI → GAI Jul 13, 20:30 UTCJul 13, 21:45 UTC1h 15m
2026-07-13 N2621Z GAI → GAI Jul 13, 18:25 UTCJul 13, 19:00 UTC35m
2026-07-13 N2621Z GAI → GAI Jul 13, 15:05 UTCJul 13, 16:20 UTC1h 15m
2026-07-13 N2621Z - Jul 13, 13:05 UTCJul 13, 13:35 UTC30m
2026-07-13 N2621Z - Jul 13, 04:35 UTCJul 13, 05:20 UTC45m
2026-07-13 N2621Z - Jul 13, 02:10 UTCJul 13, 03:01 UTC50m
2026-07-12 N2621Z - Jul 12, 17:35 UTCJul 12, 19:05 UTC1h 30m
2026-07-12 N2621Z - Jul 12, 16:05 UTCJul 12, 16:25 UTC20m
2026-07-11 N2621Z - Jul 11, 19:30 UTCJul 11, 19:45 UTC15m
2026-07-11 N2621Z - Jul 11, 17:45 UTCJul 11, 18:10 UTC25m
2026-07-11 N2621Z - Jul 11, 16:00 UTCJul 11, 16:25 UTC25m
2026-07-11 N2621Z - Jul 11, 14:50 UTCJul 11, 15:10 UTC20m
2026-07-10 N2621Z - Jul 10, 21:30 UTCJul 10, 23:10 UTC1h 40m
2026-07-10 N2621Z - Jul 10, 12:30 UTCJul 10, 13:35 UTC1h 5m
2026-07-05 N2621Z - Jul 5, 17:45 UTCJul 5, 18:30 UTC45m
2026-07-05 N2621Z - Jul 5, 16:20 UTCJul 5, 17:00 UTC40m
2026-07-04 N2621Z GAI → GAI Jul 4, 18:30 UTCJul 4, 18:55 UTC25m
2026-07-04 N2621Z - Jul 4, 17:25 UTCJul 4, 17:45 UTC20m
2026-07-04 N2621Z - Jul 4, 16:05 UTCJul 4, 16:25 UTC20m
2026-07-04 N2621Z - Jul 4, 15:00 UTCJul 4, 15:25 UTC25m

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 N2621Z page for operator, model, and routing details .

Mode-S A288FE frequently asked

What is Mode-S code A288FE?
A288FE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N2621Z.
Where is Mode-S A288FE registered?
Mode-S code A288FE 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 A288FE broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A288FE, octal 50504376, decimal 10,651,902.
What flights does A288FE operate?
Mode-S A288FE has broadcast 1 distinct callsign, including N2621Z.