sensors Mode-S transponder

A6649D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N5106D · operated by OUT OF THE BLUE SKYDIVING LLC

Hex
A6649D
Octal
51462235
Decimal
10,904,733
Country
US
Tail
N5106D
Type
C182
No current signal · last broadcast 21d ago
Flights observed
156
Distinct callsigns
1
Country
US
Last broadcast
21d ago

Last known position

Most recent position reported by Mode-S A6649D.

Country allocation

The ICAO 24-bit address A6649D 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
N5106D - 156 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N5106D - Jul 26, 19:40 UTCJul 26, 20:55 UTC1h 15m
2026-07-26 N5106D - Jul 26, 18:25 UTCJul 26, 18:45 UTC20m
2026-07-26 N5106D - Jul 26, 17:35 UTCJul 26, 17:50 UTC15m
2026-07-26 N5106D - Jul 26, 16:35 UTCJul 26, 16:55 UTC20m
2026-07-25 N5106D - Jul 25, 20:55 UTCJul 25, 23:05 UTC2h 10m
2026-07-25 N5106D - Jul 25, 20:05 UTCJul 25, 20:20 UTC15m
2026-07-25 N5106D - Jul 25, 15:40 UTCJul 25, 19:30 UTC3h 50m
2026-07-19 N5106D - Jul 19, 20:05 UTCJul 19, 21:05 UTC1h 0m
2026-07-19 N5106D - Jul 19, 19:00 UTCJul 19, 19:20 UTC20m
2026-07-19 N5106D - Jul 19, 16:15 UTCJul 19, 18:25 UTC2h 10m
2026-07-18 N5106D LIC → LIC Jul 18, 23:25 UTCJul 18, 23:45 UTC20m
2026-07-18 N5106D - Jul 18, 21:45 UTCJul 18, 22:40 UTC55m
2026-07-18 N5106D - Jul 18, 20:55 UTCJul 18, 21:05 UTC10m
2026-07-18 N5106D - Jul 18, 19:20 UTCJul 18, 20:25 UTC1h 5m
2026-07-18 N5106D - Jul 18, 18:15 UTCJul 18, 18:30 UTC15m
2026-07-18 N5106D LIC → LIC Jul 18, 16:05 UTCJul 18, 16:50 UTC45m
2026-07-16 N5106D - Jul 16, 21:19 UTCJul 16, 21:40 UTC20m
2026-07-16 N5106D - Jul 16, 17:49 UTCJul 16, 18:00 UTC10m
2026-07-16 N5106D - Jul 16, 16:00 UTCJul 16, 17:00 UTC1h 0m
2026-07-12 N5106D - Jul 12, 21:20 UTCJul 12, 22:25 UTC1h 5m
2026-07-12 N5106D - Jul 12, 18:35 UTCJul 12, 20:20 UTC1h 45m
2026-07-12 N5106D - Jul 12, 17:45 UTCJul 12, 18:01 UTC15m
2026-07-12 N5106D - Jul 12, 16:30 UTCJul 12, 16:50 UTC20m
2026-07-12 N5106D - Jul 12, 15:20 UTCJul 12, 15:40 UTC20m
2026-07-11 N5106D - Jul 11, 20:05 UTCJul 11, 20:20 UTC15m
2026-07-11 N5106D - Jul 11, 18:00 UTCJul 11, 18:25 UTC25m
2026-07-11 N5106D - Jul 11, 16:20 UTCJul 11, 16:35 UTC15m
2026-07-05 N5106D - Jul 5, 21:25 UTCJul 5, 21:40 UTC15m
2026-07-05 N5106D - Jul 5, 20:35 UTCJul 5, 20:50 UTC15m
2026-07-05 N5106D - Jul 5, 19:00 UTCJul 5, 19:50 UTC50m
2026-07-05 N5106D - Jul 5, 18:10 UTCJul 5, 18:20 UTC10m
2026-07-05 N5106D - Jul 5, 16:30 UTCJul 5, 16:45 UTC15m
2026-07-04 N5106D - Jul 4, 21:25 UTCJul 4, 21:35 UTC10m
2026-07-04 N5106D - Jul 4, 19:05 UTCJul 4, 20:05 UTC1h 0m
2026-07-04 N5106D - Jul 4, 17:25 UTCJul 4, 18:20 UTC55m
2026-06-28 N5106D - Jun 28, 22:24 UTCJun 28, 22:45 UTC20m
2026-06-28 N5106D - Jun 28, 21:14 UTCJun 28, 21:34 UTC20m
2026-06-28 N5106D - Jun 28, 20:04 UTCJun 28, 20:19 UTC15m
2026-06-28 N5106D - Jun 28, 15:34 UTCJun 28, 18:49 UTC3h 15m
2026-06-27 N5106D - Jun 27, 19:34 UTCJun 27, 20:04 UTC30m
2026-06-27 N5106D LIC → LIC Jun 27, 17:49 UTCJun 27, 18:04 UTC15m
2026-06-27 N5106D - Jun 27, 16:49 UTCJun 27, 17:09 UTC20m
2026-06-27 N5106D - Jun 27, 15:55 UTCJun 27, 16:14 UTC20m
2026-06-26 N5106D - Jun 26, 17:35 UTCJun 26, 18:20 UTC45m
2026-06-25 N5106D - Jun 25, 01:35 UTCJun 25, 02:45 UTC1h 10m
2026-06-24 N5106D - Jun 24, 22:04 UTCJun 24, 22:25 UTC20m
2026-06-22 N5106D - Jun 22, 03:30 UTCJun 22, 03:45 UTC15m
2026-06-21 N5106D - Jun 21, 21:54 UTCJun 21, 22:10 UTC15m
2026-06-21 N5106D - Jun 21, 21:14 UTCJun 21, 21:24 UTC10m
2026-06-21 N5106D - Jun 21, 16:49 UTCJun 21, 19:24 UTC2h 35m

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 N5106D page for operator, model, and routing details .

Mode-S A6649D frequently asked

What is Mode-S code A6649D?
A6649D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N5106D.
Where is Mode-S A6649D registered?
Mode-S code A6649D 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 A6649D broadcasting right now?
No active broadcast right now. Last signal was 21d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6649D, octal 51462235, decimal 10,904,733.
What flights does A6649D operate?
Mode-S A6649D has broadcast 1 distinct callsign, including N5106D.