Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

AA1455

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N749DS · DIAMOND DA-40 Club Star · operated by UTAH VALLEY UNIVERSITY

Hex
AA1455
Octal
52412125
Decimal
11,146,325
Country
US
Tail
N749DS
Type
DA40
No current signal · last broadcast 56m ago
Flights observed
177
Distinct callsigns
1
Country
US
Last broadcast
56m ago

Last known position

Most recent position reported by Mode-S AA1455.

Country allocation

The ICAO 24-bit address AA1455 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
N749DS - 177 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N749DS - Jul 14, 18:50 UTCJul 14, 19:10 UTC20m
2026-07-14 N749DS PVU → PVU Jul 14, 16:05 UTCJul 14, 16:45 UTC40m
2026-07-14 N749DS - Jul 14, 14:25 UTCJul 14, 14:35 UTC10m
2026-07-14 N749DS - Jul 14, 13:05 UTCJul 14, 13:20 UTC15m
2026-07-14 N749DS PVU → PVU Jul 14, 03:50 UTCJul 14, 05:25 UTC1h 35m
2026-07-13 N749DS - Jul 13, 17:45 UTCJul 13, 17:55 UTC10m
2026-07-10 N749DS - Jul 10, 13:20 UTCJul 10, 13:55 UTC35m
2026-07-09 N749DS - Jul 9, 18:20 UTCJul 9, 18:40 UTC20m
2026-07-09 N749DS - Jul 9, 16:25 UTCJul 9, 16:35 UTC10m
2026-07-09 N749DS - Jul 9, 13:55 UTCJul 9, 15:00 UTC1h 5m
2026-07-08 N749DS PVU → PVU Jul 8, 17:50 UTCJul 8, 18:50 UTC1h 0m
2026-07-08 N749DS - Jul 8, 15:20 UTCJul 8, 15:40 UTC20m
2026-07-08 N749DS - Jul 8, 13:55 UTCJul 8, 14:10 UTC15m
2026-07-07 N749DS PVU → PVU Jul 7, 18:55 UTCJul 7, 20:20 UTC1h 25m
2026-07-07 N749DS PVU → PVU Jul 7, 15:45 UTCJul 7, 16:05 UTC20m
2026-07-07 N749DS - Jul 7, 12:35 UTCJul 7, 13:15 UTC40m
2026-07-06 N749DS - Jul 6, 17:05 UTCJul 6, 17:30 UTC25m
2026-07-06 N749DS - Jul 6, 16:15 UTCJul 6, 16:25 UTC10m
2026-07-06 N749DS - Jul 6, 15:00 UTCJul 6, 15:10 UTC10m
2026-07-06 N749DS - Jul 6, 13:55 UTCJul 6, 14:05 UTC10m
2026-07-02 N749DS - Jul 2, 18:35 UTCJul 2, 19:20 UTC45m
2026-07-02 N749DS - Jul 2, 14:40 UTCJul 2, 17:00 UTC2h 20m
2026-07-02 N749DS - Jul 2, 13:20 UTCJul 2, 13:40 UTC20m
2026-07-01 N749DS - Jul 1, 13:20 UTCJul 1, 14:20 UTC1h 0m
2026-07-01 N749DS PVU → PVU Jul 1, 04:00 UTCJul 1, 06:45 UTC2h 45m
2026-06-30 N749DS - Jun 30, 19:35 UTCJun 30, 19:45 UTC10m
2026-06-30 N749DS - Jun 30, 18:40 UTCJun 30, 18:50 UTC10m
2026-06-30 N749DS - Jun 30, 17:00 UTCJun 30, 17:10 UTC10m
2026-06-30 N749DS - Jun 30, 16:05 UTCJun 30, 16:15 UTC10m
2026-06-30 N749DS PVU → PVU Jun 30, 13:45 UTCJun 30, 14:55 UTC1h 10m
2026-06-29 N749DS - Jun 29, 20:44 UTCJun 29, 21:05 UTC20m
2026-06-29 N749DS - Jun 29, 19:05 UTCJun 29, 19:24 UTC20m
2026-06-29 N749DS - Jun 29, 17:45 UTCJun 29, 18:05 UTC20m
2026-06-29 N749DS - Jun 29, 16:29 UTCJun 29, 16:50 UTC20m
2026-06-27 N749DS PVU → PVU Jun 27, 16:35 UTCJun 27, 18:04 UTC1h 30m
2026-06-27 N749DS - Jun 27, 15:10 UTCJun 27, 15:30 UTC20m
2026-06-27 N749DS - Jun 27, 14:20 UTCJun 27, 14:29 UTC10m
2026-06-26 N749DS - Jun 26, 13:15 UTCJun 26, 14:09 UTC55m
2026-06-26 N749DS PVU → PVU Jun 26, 04:14 UTCJun 26, 07:10 UTC2h 55m
2026-06-25 N749DS PVU → PVU Jun 25, 17:54 UTCJun 25, 18:00 UTC5m
2026-06-25 N749DS - Jun 25, 16:29 UTCJun 25, 16:39 UTC10m
2026-06-25 N749DS PVU → PVU Jun 25, 13:09 UTCJun 25, 15:34 UTC2h 25m
2026-06-24 N749DS PVU → PVU Jun 24, 18:29 UTCJun 24, 19:24 UTC55m
2026-06-24 N749DS - Jun 24, 17:05 UTCJun 24, 17:29 UTC25m
2026-06-24 N749DS - Jun 24, 15:05 UTCJun 24, 15:24 UTC20m
2026-06-24 N749DS PVU → PVU Jun 24, 03:44 UTCJun 24, 06:15 UTC2h 30m
2026-06-24 N749DS PVU → PVU Jun 24, 02:00 UTCJun 24, 02:49 UTC50m
2026-06-23 N749DS - Jun 23, 19:04 UTCJun 23, 19:50 UTC45m
2026-06-23 N749DS - Jun 23, 17:44 UTCJun 23, 18:04 UTC20m
2026-06-23 N749DS - Jun 23, 16:35 UTCJun 23, 17:04 UTC30m

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 N749DS page for operator, model, and routing details .

Mode-S AA1455 frequently asked

What is Mode-S code AA1455?
AA1455 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N749DS.
Where is Mode-S AA1455 registered?
Mode-S code AA1455 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 AA1455 broadcasting right now?
No active broadcast right now. Last signal was 56m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AA1455, octal 52412125, decimal 11,146,325.
What flights does AA1455 operate?
Mode-S AA1455 has broadcast 1 distinct callsign, including N749DS.