Apparatus

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sensors Mode-S transponder

A17155

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N192TU · TECNAM P-2006T · operated by IASCO FLIGHT TRAINING INC

Hex
A17155
Octal
50270525
Decimal
10,580,309
Country
US
Tail
N192TU
Type
P06T
No current signal · last broadcast 8h ago
Flights observed
72
Distinct callsigns
1
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S A17155.

Country allocation

The ICAO 24-bit address A17155 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
N192TU - 72 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 N192TU - Jul 17, 19:15 UTCJul 17, 19:49 UTC35m
2026-07-17 N192TU - Jul 17, 17:05 UTCJul 17, 18:19 UTC1h 15m
2026-07-17 N192TU - Jul 17, 14:55 UTCJul 17, 15:55 UTC1h 0m
2026-07-16 N192TU - Jul 16, 17:25 UTCJul 16, 18:05 UTC40m
2026-07-16 N192TU - Jul 16, 16:05 UTCJul 16, 16:49 UTC45m
2026-07-16 N192TU - Jul 16, 13:45 UTCJul 16, 14:50 UTC1h 5m
2026-07-13 N192TU - Jul 13, 15:30 UTCJul 13, 16:55 UTC1h 25m
2026-07-11 N192TU RDD → RDD Jul 11, 15:45 UTCJul 11, 17:40 UTC1h 55m
2026-07-11 N192TU - Jul 11, 13:50 UTCJul 11, 14:45 UTC55m
2026-07-10 N192TU - Jul 10, 13:50 UTCJul 10, 14:35 UTC45m
2026-07-09 N192TU - Jul 9, 15:45 UTCJul 9, 16:35 UTC50m
2026-07-08 N192TU RDD → RDD Jul 8, 16:55 UTCJul 8, 17:35 UTC40m
2026-07-08 N192TU - Jul 8, 15:30 UTCJul 8, 16:25 UTC55m
2026-07-06 N192TU - Jul 6, 17:25 UTCJul 6, 18:05 UTC40m
2026-07-06 N192TU - Jul 6, 16:10 UTCJul 6, 16:50 UTC40m
2026-07-06 N192TU - Jul 6, 13:50 UTCJul 6, 14:55 UTC1h 5m
2026-07-05 N192TU RDD → RDD Jul 5, 19:45 UTCJul 5, 20:20 UTC35m
2026-07-05 N192TU - Jul 5, 18:20 UTCJul 5, 19:05 UTC45m
2026-07-04 N192TU - Jul 4, 02:50 UTCJul 4, 04:45 UTC1h 55m
2026-07-03 N192TU - Jul 3, 20:20 UTCJul 3, 20:55 UTC35m
2026-07-03 N192TU RDD → RDD Jul 3, 18:15 UTCJul 3, 19:05 UTC50m
2026-07-03 N192TU - Jul 3, 15:45 UTCJul 3, 16:40 UTC55m
2026-07-02 N192TU - Jul 2, 18:25 UTCJul 2, 20:20 UTC1h 55m
2026-07-02 N192TU - Jul 2, 15:00 UTCJul 2, 15:20 UTC20m
2026-07-01 N192TU - Jul 1, 17:45 UTCJul 1, 18:15 UTC30m
2026-07-01 N192TU RDD → RDD Jul 1, 16:20 UTCJul 1, 17:00 UTC40m
2026-07-01 N192TU - Jul 1, 02:05 UTCJul 1, 04:20 UTC2h 15m
2026-06-30 N192TU - Jun 30, 16:10 UTCJun 30, 17:00 UTC50m
2026-06-29 N192TU - Jun 29, 20:40 UTCJun 29, 21:24 UTC45m
2026-06-29 N192TU - Jun 29, 18:05 UTCJun 29, 19:05 UTC1h 0m
2026-06-29 N192TU - Jun 29, 15:04 UTCJun 29, 15:24 UTC20m
2026-06-28 N192TU - Jun 28, 17:10 UTCJun 28, 17:50 UTC40m
2026-06-28 N192TU RDD → RDD Jun 28, 15:49 UTCJun 28, 16:29 UTC40m
2026-06-28 N192TU - Jun 28, 05:15 UTCJun 28, 05:29 UTC15m
2026-06-24 N192TU - Jun 24, 16:19 UTCJun 24, 17:10 UTC50m
2026-06-23 N192TU - Jun 23, 15:50 UTCJun 23, 16:29 UTC40m
2026-06-23 N192TU - Jun 23, 14:35 UTCJun 23, 15:19 UTC45m
2026-06-22 N192TU RDD → RDD Jun 22, 18:09 UTCJun 22, 18:44 UTC35m
2026-06-18 N192TU RDD → RDD Jun 18, 15:25 UTCJun 18, 16:45 UTC1h 20m
2026-06-17 N192TU - Jun 17, 14:10 UTCJun 17, 15:20 UTC1h 10m
2026-06-15 N192TU - Jun 15, 20:00 UTCJun 15, 20:59 UTC1h 0m
2026-06-14 N192TU RDD → RDD Jun 14, 15:05 UTCJun 14, 15:35 UTC30m
2026-06-12 N192TU - Jun 12, 19:30 UTCJun 12, 20:00 UTC30m
2026-06-11 N192TU - Jun 11, 14:35 UTCJun 11, 15:40 UTC1h 5m
2026-06-09 N192TU - Jun 9, 17:30 UTCJun 9, 18:20 UTC50m
2026-06-05 N192TU - Jun 5, 13:55 UTCJun 5, 14:40 UTC45m
2026-06-04 N192TU RDD → RDD Jun 4, 21:40 UTCJun 4, 22:30 UTC50m
2026-06-04 N192TU RDD → RDD Jun 4, 14:20 UTCJun 4, 15:20 UTC1h 0m
2026-06-02 N192TU APC → RDD Jun 2, 01:15 UTCJun 2, 02:30 UTC1h 15m
2026-06-01 N192TU - Jun 1, 23:50 UTCJun 2, 00:30 UTC40m

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 N192TU page for operator, model, and routing details .

Mode-S A17155 frequently asked

What is Mode-S code A17155?
A17155 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N192TU.
Where is Mode-S A17155 registered?
Mode-S code A17155 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 A17155 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 A17155, octal 50270525, decimal 10,580,309.
What flights does A17155 operate?
Mode-S A17155 has broadcast 1 distinct callsign, including N192TU.