Apparatus

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sensors Mode-S transponder

A2F9F5

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N291HW · CESSNA 172 Skyhawk · operated by MIDDLE VILLAGE ENTERPRISES LLC

Hex
A2F9F5
Octal
50574765
Decimal
10,680,821
Country
US
Tail
N291HW
Type
C172
No current signal · last broadcast 8h ago
Flights observed
147
Distinct callsigns
1
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S A2F9F5.

Country allocation

The ICAO 24-bit address A2F9F5 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
N291HW - 147 2026-06-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-17 N291HW FRG → FRG Jun 17, 14:05 UTCJun 17, 15:35 UTC1h 30m
2026-06-17 N291HW - Jun 17, 11:15 UTCJun 17, 12:15 UTC1h 0m
2026-06-16 N291HW - Jun 16, 22:15 UTCJun 16, 22:40 UTC25m
2026-06-16 N291HW FRG → HPN Jun 16, 21:05 UTCJun 16, 21:30 UTC25m
2026-06-16 N291HW FRG → FRG Jun 16, 16:10 UTCJun 16, 17:35 UTC1h 25m
2026-06-16 N291HW - Jun 16, 13:09 UTCJun 16, 14:05 UTC55m
2026-06-15 N291HW FRG → FRG Jun 15, 21:35 UTCJun 15, 23:04 UTC1h 30m
2026-06-15 N291HW - Jun 15, 20:00 UTCJun 15, 20:45 UTC45m
2026-06-15 N291HW FRG → FRG Jun 15, 13:25 UTCJun 15, 14:40 UTC1h 15m
2026-06-14 N291HW - Jun 14, 18:05 UTCJun 14, 19:10 UTC1h 5m
2026-06-14 N291HW - Jun 14, 15:30 UTCJun 14, 16:35 UTC1h 5m
2026-06-14 N291HW - Jun 14, 13:35 UTCJun 14, 14:10 UTC35m
2026-06-14 N291HW FRG → FRG Jun 14, 00:00 UTCJun 14, 01:15 UTC1h 15m
2026-06-13 N291HW FRG → FRG Jun 13, 18:00 UTCJun 13, 19:00 UTC1h 0m
2026-06-13 N291HW FRG → FRG Jun 13, 15:55 UTCJun 13, 16:55 UTC1h 0m
2026-06-13 N291HW - Jun 13, 13:40 UTCJun 13, 14:30 UTC50m
2026-06-12 N291HW FRG → FRG Jun 12, 16:40 UTCJun 12, 17:30 UTC50m
2026-06-12 N291HW FRG → FRG Jun 12, 13:40 UTCJun 12, 14:40 UTC1h 0m
2026-06-12 N291HW - Jun 12, 11:15 UTCJun 12, 12:35 UTC1h 20m
2026-06-11 N291HW FRG → FRG Jun 11, 17:35 UTCJun 11, 18:50 UTC1h 15m
2026-06-11 N291HW FRG → FRG Jun 11, 13:45 UTCJun 11, 15:50 UTC2h 5m
2026-06-10 N291HW - Jun 10, 20:05 UTCJun 10, 21:00 UTC55m
2026-06-10 N291HW - Jun 10, 17:55 UTCJun 10, 18:45 UTC50m
2026-06-10 N291HW - Jun 10, 11:25 UTCJun 10, 14:00 UTC2h 35m
2026-06-09 N291HW FRG → FRG Jun 9, 19:05 UTCJun 9, 19:50 UTC45m
2026-06-09 N291HW - Jun 9, 11:20 UTCJun 9, 12:25 UTC1h 5m
2026-06-08 N291HW - Jun 8, 23:20 UTCJun 9, 01:35 UTC2h 15m
2026-06-08 N291HW FRG → FRG Jun 8, 20:35 UTCJun 8, 22:40 UTC2h 5m
2026-06-08 N291HW FRG → FRG Jun 8, 17:45 UTCJun 8, 19:00 UTC1h 15m
2026-06-08 N291HW FRG → FRG Jun 8, 15:15 UTCJun 8, 16:55 UTC1h 40m
2026-06-08 N291HW - Jun 8, 00:10 UTCJun 8, 02:10 UTC2h 0m
2026-06-07 N291HW - Jun 7, 21:20 UTCJun 7, 23:20 UTC2h 0m
2026-06-07 N291HW - Jun 7, 18:05 UTCJun 7, 18:20 UTC15m
2026-06-07 N291HW FRG → FRG Jun 7, 15:10 UTCJun 7, 16:30 UTC1h 20m
2026-06-06 N291HW FRG → FRG Jun 6, 17:49 UTCJun 6, 18:59 UTC1h 10m
2026-06-06 N291HW FRG → FRG Jun 6, 15:34 UTCJun 6, 17:05 UTC1h 30m
2026-06-06 N291HW - Jun 6, 13:15 UTCJun 6, 14:14 UTC1h 0m
2026-06-05 N291HW - Jun 5, 23:50 UTCJun 6, 01:55 UTC2h 5m
2026-06-05 N291HW - Jun 5, 21:00 UTCJun 5, 23:00 UTC2h 0m
2026-05-31 N291HW - May 31, 19:45 UTCMay 31, 21:05 UTC1h 20m
2026-05-31 N291HW FRG → FRG May 31, 18:00 UTCMay 31, 18:55 UTC55m
2026-05-31 N291HW - May 31, 15:25 UTCMay 31, 17:00 UTC1h 35m
2026-05-31 N291HW FRG → FRG May 31, 13:20 UTCMay 31, 14:25 UTC1h 5m
2026-05-31 N291HW - May 31, 11:30 UTCMay 31, 12:35 UTC1h 5m
2026-05-29 N291HW FRG → FRG May 29, 21:40 UTCMay 29, 22:30 UTC50m
2026-05-29 N291HW - May 29, 14:05 UTCMay 29, 14:15 UTC10m
2026-05-29 N291HW - May 29, 11:10 UTCMay 29, 12:25 UTC1h 15m
2026-05-28 N291HW - May 28, 11:20 UTCMay 28, 12:30 UTC1h 10m
2026-05-27 N291HW FRG → FRG May 27, 20:30 UTCMay 27, 22:05 UTC1h 35m
2026-05-27 N291HW - May 27, 17:45 UTCMay 27, 19:05 UTC1h 20m

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 N291HW page for operator, model, and routing details .

Mode-S A2F9F5 frequently asked

What is Mode-S code A2F9F5?
A2F9F5 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N291HW.
Where is Mode-S A2F9F5 registered?
Mode-S code A2F9F5 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 A2F9F5 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2F9F5, octal 50574765, decimal 10,680,821.
What flights does A2F9F5 operate?
Mode-S A2F9F5 has broadcast 1 distinct callsign, including N291HW.