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sensors Mode-S transponder

A67B51

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N5169E · CESSNA 172 Skyhawk · operated by VENBRO HOLDINGS LLC

Hex
A67B51
Octal
51475521
Decimal
10,910,545
Country
US
Tail
N5169E
Type
C172
No current signal · last broadcast 16h ago
Flights observed
185
Distinct callsigns
1
Country
US
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S A67B51.

Country allocation

The ICAO 24-bit address A67B51 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
N5169E - 185 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N5169E - Jul 13, 16:55 UTCJul 13, 17:25 UTC30m
2026-07-13 N5169E - Jul 13, 14:40 UTCJul 13, 15:35 UTC55m
2026-07-12 N5169E - Jul 12, 15:25 UTCJul 12, 15:45 UTC20m
2026-07-12 N5169E - Jul 12, 14:25 UTCJul 12, 14:50 UTC25m
2026-07-12 N5169E - Jul 12, 12:30 UTCJul 12, 13:25 UTC55m
2026-07-11 N5169E - Jul 11, 19:55 UTCJul 11, 20:40 UTC45m
2026-07-11 N5169E CDW → CDW Jul 11, 16:35 UTCJul 11, 18:00 UTC1h 25m
2026-07-11 N5169E - Jul 11, 14:45 UTCJul 11, 15:20 UTC35m
2026-07-10 N5169E - Jul 10, 19:20 UTCJul 10, 20:15 UTC55m
2026-07-10 N5169E - Jul 10, 14:45 UTCJul 10, 16:20 UTC1h 35m
2026-07-09 N5169E - Jul 9, 14:25 UTCJul 9, 15:55 UTC1h 30m
2026-07-09 N5169E - Jul 9, 12:25 UTCJul 9, 13:25 UTC1h 0m
2026-07-08 N5169E - Jul 8, 21:55 UTCJul 8, 23:20 UTC1h 25m
2026-07-08 N5169E - Jul 8, 20:45 UTCJul 8, 21:00 UTC15m
2026-07-08 N5169E - Jul 8, 19:45 UTCJul 8, 20:05 UTC20m
2026-07-08 N5169E - Jul 8, 16:35 UTCJul 8, 18:00 UTC1h 25m
2026-07-08 N5169E - Jul 8, 12:40 UTCJul 8, 13:30 UTC50m
2026-07-05 N5169E CDW → CDW Jul 5, 14:25 UTCJul 5, 15:30 UTC1h 5m
2026-07-04 N5169E - Jul 4, 13:35 UTCJul 4, 13:50 UTC15m
2026-07-03 N5169E - Jul 3, 18:45 UTCJul 3, 18:55 UTC10m
2026-06-30 N5169E - Jun 30, 18:20 UTCJun 30, 19:00 UTC40m
2026-06-30 N5169E - Jun 30, 17:25 UTCJun 30, 17:45 UTC20m
2026-06-30 N5169E - Jun 30, 14:40 UTCJun 30, 15:55 UTC1h 15m
2026-06-30 N5169E - Jun 30, 12:10 UTCJun 30, 13:10 UTC1h 0m
2026-06-29 N5169E CDW → CDW Jun 29, 17:05 UTCJun 29, 17:59 UTC55m
2026-06-29 N5169E - Jun 29, 14:39 UTCJun 29, 15:54 UTC1h 15m
2026-06-29 N5169E CDW → CDW Jun 29, 12:34 UTCJun 29, 12:49 UTC15m
2026-06-29 N5169E CDW → CDW Jun 29, 11:45 UTCJun 29, 12:29 UTC45m
2026-06-28 N5169E - Jun 28, 23:34 UTCJun 28, 23:50 UTC15m
2026-06-28 N5169E - Jun 28, 22:39 UTCJun 28, 22:59 UTC20m
2026-06-28 N5169E - Jun 28, 17:04 UTCJun 28, 17:34 UTC30m
2026-06-27 N5169E CDW → CDW Jun 27, 14:39 UTCJun 27, 15:10 UTC30m
2026-06-26 N5169E CDW → CDW Jun 26, 17:25 UTCJun 26, 18:09 UTC45m
2026-06-26 N5169E - Jun 26, 01:45 UTCJun 26, 02:24 UTC40m
2026-06-25 N5169E - Jun 25, 22:49 UTCJun 25, 23:44 UTC55m
2026-06-25 N5169E - Jun 25, 21:40 UTCJun 25, 22:14 UTC35m
2026-06-25 N5169E - Jun 25, 19:15 UTCJun 25, 20:45 UTC1h 30m
2026-06-25 N5169E - Jun 25, 16:50 UTCJun 25, 17:09 UTC20m
2026-06-25 N5169E - Jun 25, 15:29 UTCJun 25, 16:14 UTC45m
2026-06-24 N5169E - Jun 24, 19:44 UTCJun 24, 20:44 UTC1h 0m
2026-06-24 N5169E - Jun 24, 16:59 UTCJun 24, 18:44 UTC1h 45m
2026-06-24 N5169E - Jun 24, 15:35 UTCJun 24, 15:59 UTC25m
2026-06-24 N5169E - Jun 24, 14:29 UTCJun 24, 14:55 UTC25m
2026-06-23 N5169E - Jun 23, 23:39 UTCJun 24, 00:34 UTC55m
2026-06-23 N5169E - Jun 23, 22:29 UTCJun 23, 23:00 UTC30m
2026-06-22 N5169E - Jun 22, 13:54 UTCJun 22, 14:45 UTC50m
2026-06-21 N5169E - Jun 21, 19:34 UTCJun 21, 20:29 UTC55m
2026-06-21 N5169E - Jun 21, 14:44 UTCJun 21, 15:40 UTC55m
2026-06-21 N5169E - Jun 21, 12:55 UTCJun 21, 13:29 UTC35m
2026-06-21 N5169E - Jun 21, 11:30 UTCJun 21, 12:19 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 N5169E page for operator, model, and routing details .

Mode-S A67B51 frequently asked

What is Mode-S code A67B51?
A67B51 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N5169E.
Where is Mode-S A67B51 registered?
Mode-S code A67B51 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 A67B51 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A67B51, octal 51475521, decimal 10,910,545.
What flights does A67B51 operate?
Mode-S A67B51 has broadcast 1 distinct callsign, including N5169E.