Apparatus

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sensors Mode-S transponder

A1E2F8

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N220WC · CESSNA 172 Skyhawk · operated by JEFFERY & WEISS HOLDINGS LLC

Hex
A1E2F8
Octal
50361370
Decimal
10,609,400
Country
US
Tail
N220WC
Type
C172
No current signal · last broadcast 6h ago
Flights observed
223
Distinct callsigns
1
Country
US
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S A1E2F8.

Country allocation

The ICAO 24-bit address A1E2F8 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
N220WC - 223 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 N220WC - Jul 18, 21:10 UTCJul 18, 22:05 UTC55m
2026-07-18 N220WC - Jul 18, 18:55 UTCJul 18, 19:40 UTC45m
2026-07-17 N220WC - Jul 17, 21:55 UTCJul 17, 22:45 UTC50m
2026-07-17 N220WC - Jul 17, 18:19 UTCJul 17, 19:35 UTC1h 15m
2026-07-17 N220WC - Jul 17, 15:00 UTCJul 17, 16:59 UTC2h 0m
2026-07-16 N220WC - Jul 16, 19:05 UTCJul 16, 19:45 UTC40m
2026-07-16 N220WC - Jul 16, 16:44 UTCJul 16, 17:49 UTC1h 5m
2026-07-16 N220WC LGB → LGB Jul 16, 01:35 UTCJul 16, 03:10 UTC1h 35m
2026-07-15 N220WC - Jul 15, 21:35 UTCJul 15, 22:30 UTC55m
2026-07-15 N220WC - Jul 15, 17:40 UTCJul 15, 18:45 UTC1h 5m
2026-07-15 N220WC LGB → LGB Jul 15, 01:50 UTCJul 15, 03:15 UTC1h 25m
2026-07-14 N220WC - Jul 14, 23:40 UTCJul 15, 00:50 UTC1h 10m
2026-07-14 N220WC - Jul 14, 21:45 UTCJul 14, 22:30 UTC45m
2026-07-14 N220WC - Jul 14, 20:05 UTCJul 14, 20:45 UTC40m
2026-07-14 N220WC LGB → LGB Jul 14, 15:40 UTCJul 14, 16:50 UTC1h 10m
2026-07-14 N220WC - Jul 14, 02:25 UTCJul 14, 03:15 UTC50m
2026-07-14 N220WC LGB → LGB Jul 14, 00:10 UTCJul 14, 01:05 UTC55m
2026-07-13 N220WC - Jul 13, 22:35 UTCJul 13, 23:10 UTC35m
2026-07-13 N220WC LGB → LGB Jul 13, 18:40 UTCJul 13, 19:55 UTC1h 15m
2026-07-13 N220WC LGB → LGB Jul 13, 15:10 UTCJul 13, 15:45 UTC35m
2026-07-13 N220WC - Jul 13, 03:25 UTCJul 13, 03:55 UTC30m
2026-07-12 N220WC - Jul 12, 23:45 UTCJul 13, 01:45 UTC2h 0m
2026-07-12 N220WC - Jul 12, 20:45 UTCJul 12, 22:00 UTC1h 15m
2026-07-12 N220WC - Jul 12, 18:20 UTCJul 12, 18:55 UTC35m
2026-07-11 N220WC - Jul 11, 23:05 UTCJul 11, 23:55 UTC50m
2026-07-11 N220WC - Jul 11, 21:00 UTCJul 11, 21:50 UTC50m
2026-07-11 N220WC - Jul 11, 18:50 UTCJul 11, 19:45 UTC55m
2026-07-11 N220WC - Jul 11, 16:45 UTCJul 11, 17:35 UTC50m
2026-07-11 N220WC - Jul 11, 02:40 UTCJul 11, 03:55 UTC1h 15m
2026-07-10 N220WC - Jul 10, 22:40 UTCJul 10, 23:30 UTC50m
2026-07-10 N220WC - Jul 10, 17:20 UTCJul 10, 18:25 UTC1h 5m
2026-07-10 N220WC - Jul 10, 01:30 UTCJul 10, 02:45 UTC1h 15m
2026-07-09 N220WC - Jul 9, 22:50 UTCJul 10, 00:30 UTC1h 40m
2026-07-09 N220WC - Jul 9, 20:00 UTCJul 9, 21:20 UTC1h 20m
2026-07-09 N220WC - Jul 9, 03:40 UTCJul 9, 04:25 UTC45m
2026-07-09 N220WC - Jul 9, 02:45 UTCJul 9, 03:30 UTC45m
2026-07-08 N220WC - Jul 8, 21:30 UTCJul 8, 22:35 UTC1h 5m
2026-07-08 N220WC - Jul 8, 19:45 UTCJul 8, 20:35 UTC50m
2026-07-08 N220WC - Jul 8, 18:25 UTCJul 8, 18:50 UTC25m
2026-07-08 N220WC - Jul 8, 00:40 UTCJul 8, 01:45 UTC1h 5m
2026-07-07 N220WC - Jul 7, 22:10 UTCJul 7, 23:05 UTC55m
2026-07-07 N220WC - Jul 7, 20:20 UTCJul 7, 21:05 UTC45m
2026-07-07 N220WC - Jul 7, 17:35 UTCJul 7, 18:50 UTC1h 15m
2026-07-06 N220WC LGB → LGB Jul 6, 21:45 UTCJul 6, 22:45 UTC1h 0m
2026-07-06 N220WC - Jul 6, 20:00 UTCJul 6, 20:50 UTC50m
2026-07-06 N220WC - Jul 6, 15:55 UTCJul 6, 16:50 UTC55m
2026-07-03 N220WC - Jul 3, 19:50 UTCJul 3, 20:50 UTC1h 0m
2026-07-03 N220WC - Jul 3, 00:40 UTCJul 3, 01:25 UTC45m
2026-07-02 N220WC - Jul 2, 21:00 UTCJul 2, 21:35 UTC35m
2026-07-02 N220WC - Jul 2, 03:20 UTCJul 2, 04:20 UTC1h 0m

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 N220WC page for operator, model, and routing details .

Mode-S A1E2F8 frequently asked

What is Mode-S code A1E2F8?
A1E2F8 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N220WC.
Where is Mode-S A1E2F8 registered?
Mode-S code A1E2F8 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 A1E2F8 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 A1E2F8, octal 50361370, decimal 10,609,400.
What flights does A1E2F8 operate?
Mode-S A1E2F8 has broadcast 1 distinct callsign, including N220WC.