Apparatus

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sensors Mode-S transponder

A5C74E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N4711B · CESSNA 152 · operated by PINNACLE AVIATION SERVICES INC

Hex
A5C74E
Octal
51343516
Decimal
10,864,462
Country
US
Tail
N4711B
Type
C152
No current signal · last broadcast 1d ago
Flights observed
182
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A5C74E.

Country allocation

The ICAO 24-bit address A5C74E 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
N4711B - 182 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 N4711B CLD → CLD Jul 12, 22:45 UTCJul 12, 23:45 UTC1h 0m
2026-07-12 N4711B CLD → CLD Jul 12, 21:15 UTCJul 12, 21:45 UTC30m
2026-07-12 N4711B - Jul 12, 19:15 UTCJul 12, 19:50 UTC35m
2026-07-11 N4711B OCN → CLD Jul 11, 23:45 UTCJul 12, 00:01 UTC15m
2026-07-11 N4711B - Jul 11, 23:25 UTCJul 11, 23:40 UTC15m
2026-07-11 N4711B - Jul 11, 23:10 UTCJul 11, 23:20 UTC10m
2026-07-11 N4711B CLD → CLD Jul 11, 18:40 UTCJul 11, 19:35 UTC55m
2026-07-10 N4711B CLD → CLD Jul 10, 21:40 UTCJul 10, 22:35 UTC55m
2026-07-10 N4711B - Jul 10, 17:35 UTCJul 10, 18:55 UTC1h 20m
2026-07-09 N4711B CLD → CLD Jul 9, 23:50 UTCJul 10, 00:50 UTC1h 0m
2026-07-09 N4711B - Jul 9, 22:05 UTCJul 9, 23:05 UTC1h 0m
2026-07-09 N4711B SBD → CLD Jul 9, 20:15 UTCJul 9, 21:10 UTC55m
2026-07-09 N4711B - Jul 9, 19:05 UTCJul 9, 20:05 UTC1h 0m
2026-07-09 N4711B CLD → CLD Jul 9, 00:05 UTCJul 9, 01:00 UTC55m
2026-07-08 N4711B - Jul 8, 21:50 UTCJul 8, 22:25 UTC35m
2026-07-08 N4711B CLD → CLD Jul 8, 17:40 UTCJul 8, 18:30 UTC50m
2026-07-06 N4711B - Jul 6, 17:50 UTCJul 6, 18:45 UTC55m
2026-07-05 N4711B CLD → CLD Jul 5, 22:45 UTCJul 5, 23:45 UTC1h 0m
2026-07-05 N4711B CLD → CLD Jul 5, 21:15 UTCJul 5, 21:40 UTC25m
2026-07-05 N4711B - Jul 5, 19:15 UTCJul 5, 20:00 UTC45m
2026-07-05 N4711B CLD → SBD Jul 5, 18:10 UTCJul 5, 19:10 UTC1h 0m
2026-07-03 N4711B CLD → CLD Jul 3, 23:45 UTCJul 4, 00:40 UTC55m
2026-07-03 N4711B CLD → CLD Jul 3, 22:15 UTCJul 3, 23:00 UTC45m
2026-07-03 N4711B - Jul 3, 18:40 UTCJul 3, 20:00 UTC1h 20m
2026-07-02 N4711B - Jul 2, 20:05 UTCJul 2, 20:50 UTC45m
2026-07-01 N4711B - Jul 1, 21:45 UTCJul 1, 22:45 UTC1h 0m
2026-07-01 N4711B - Jul 1, 16:50 UTCJul 1, 17:30 UTC40m
2026-06-30 N4711B CLD → CLD Jun 30, 16:40 UTCJun 30, 17:55 UTC1h 15m
2026-06-30 N4711B CLD → CLD Jun 30, 01:50 UTCJun 30, 03:25 UTC1h 35m
2026-06-29 N4711B CLD → CLD Jun 29, 22:49 UTCJun 29, 23:54 UTC1h 5m
2026-06-29 N4711B - Jun 29, 18:49 UTCJun 29, 20:40 UTC1h 50m
2026-06-29 N4711B CLD → CLD Jun 29, 16:39 UTCJun 29, 17:14 UTC35m
2026-06-28 N4711B - Jun 28, 21:34 UTCJun 28, 21:55 UTC20m
2026-06-27 N4711B CLD → CLD Jun 27, 22:09 UTCJun 27, 23:10 UTC1h 0m
2026-06-27 N4711B CLD → CLD Jun 27, 19:45 UTCJun 27, 20:44 UTC1h 0m
2026-06-27 N4711B - Jun 27, 17:59 UTCJun 27, 18:35 UTC35m
2026-06-27 N4711B CLD → CLD Jun 27, 00:25 UTCJun 27, 01:24 UTC1h 0m
2026-06-26 N4711B - Jun 26, 22:05 UTCJun 26, 22:49 UTC45m
2026-06-26 N4711B - Jun 26, 17:50 UTCJun 26, 18:44 UTC55m
2026-06-26 N4711B CLD → CLD Jun 26, 00:39 UTCJun 26, 01:29 UTC50m
2026-06-25 N4711B - Jun 25, 19:34 UTCJun 25, 20:49 UTC1h 15m
2026-06-25 N4711B CLD → CLD Jun 25, 16:45 UTCJun 25, 18:04 UTC1h 20m
2026-06-23 N4711B CLD → CLD Jun 23, 19:50 UTCJun 23, 20:44 UTC55m
2026-06-23 N4711B CLD → CLD Jun 23, 17:39 UTCJun 23, 18:25 UTC45m
2026-06-22 N4711B CLD → CLD Jun 22, 20:55 UTCJun 22, 21:35 UTC40m
2026-06-22 N4711B - Jun 22, 18:54 UTCJun 22, 19:44 UTC50m
2026-06-22 N4711B CLD → CLD Jun 22, 04:24 UTCJun 22, 04:44 UTC20m
2026-06-21 N4711B - Jun 21, 23:30 UTCJun 22, 00:34 UTC1h 5m
2026-06-21 N4711B - Jun 21, 16:49 UTCJun 21, 17:50 UTC1h 0m
2026-06-20 N4711B CLD → CLD Jun 20, 22:10 UTCJun 20, 22:59 UTC50m

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 N4711B page for operator, model, and routing details .

Mode-S A5C74E frequently asked

What is Mode-S code A5C74E?
A5C74E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N4711B.
Where is Mode-S A5C74E registered?
Mode-S code A5C74E 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 A5C74E broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A5C74E, octal 51343516, decimal 10,864,462.
What flights does A5C74E operate?
Mode-S A5C74E has broadcast 1 distinct callsign, including N4711B.