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sensors Mode-S transponder

AD535A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N958LA · AEROSPATIALE AS-350 Ecureuil · operated by COUNTY OF LOS ANGELES, C/O SHERIFFS DEPT

Hex
AD535A
Octal
53251532
Decimal
11,359,066
Country
US
Tail
N958LA
Type
AS50
No current signal · last broadcast 14h ago
Flights observed
67
Distinct callsigns
1
Country
US
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S AD535A.

Country allocation

The ICAO 24-bit address AD535A 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
N958LA - 67 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 N958LA - Jul 17, 08:00 UTCJul 17, 09:15 UTC1h 15m
2026-07-17 N958LA - Jul 17, 02:59 UTCJul 17, 05:35 UTC2h 35m
2026-07-17 N958LA - Jul 17, 01:55 UTCJul 17, 02:10 UTC15m
2026-07-16 N958LA - Jul 16, 21:15 UTCJul 16, 23:49 UTC2h 35m
2026-07-16 N958LA - Jul 16, 16:19 UTCJul 16, 18:59 UTC2h 40m
2026-07-16 N958LA - Jul 16, 15:25 UTCJul 16, 15:40 UTC15m
2026-07-15 N958LA LGB → LGB Jul 15, 05:00 UTCJul 15, 08:00 UTC3h 0m
2026-07-15 N958LA - Jul 15, 00:00 UTCJul 15, 02:55 UTC2h 55m
2026-07-14 N958LA - Jul 14, 17:25 UTCJul 14, 20:20 UTC2h 55m
2026-07-14 N958LA - Jul 14, 16:45 UTCJul 14, 17:20 UTC35m
2026-07-12 N958LA - Jul 12, 05:05 UTCJul 12, 08:10 UTC3h 5m
2026-07-12 N958LA LGB → LGB Jul 12, 00:45 UTCJul 12, 03:05 UTC2h 20m
2026-07-11 N958LA LGB → LGB Jul 11, 05:05 UTCJul 11, 07:50 UTC2h 45m
2026-07-11 N958LA - Jul 11, 01:55 UTCJul 11, 03:05 UTC1h 10m
2026-07-11 N958LA - Jul 11, 00:10 UTCJul 11, 01:50 UTC1h 40m
2026-07-10 N958LA - Jul 10, 16:45 UTCJul 10, 22:30 UTC5h 46m
2026-07-10 N958LA - Jul 10, 05:05 UTCJul 10, 08:05 UTC3h 0m
2026-07-10 N958LA LGB → LGB Jul 10, 00:10 UTCJul 10, 03:35 UTC3h 25m
2026-07-09 N958LA - Jul 9, 05:20 UTCJul 9, 05:50 UTC30m
2026-07-08 N958LA - Jul 8, 23:35 UTCJul 9, 00:10 UTC35m
2026-07-08 N958LA LGB → LGB Jul 8, 20:35 UTCJul 8, 21:05 UTC30m
2026-07-08 N958LA - Jul 8, 04:55 UTCJul 8, 05:50 UTC55m
2026-07-07 N958LA - Jul 7, 23:35 UTCJul 8, 00:10 UTC35m
2026-07-07 N958LA - Jul 7, 22:25 UTCJul 7, 22:50 UTC25m
2026-07-02 N958LA - Jul 2, 06:55 UTCJul 2, 10:05 UTC3h 10m
2026-07-02 N958LA LGB → LGB Jul 2, 02:45 UTCJul 2, 05:00 UTC2h 15m
2026-07-01 N958LA - Jul 1, 08:10 UTCJul 1, 10:05 UTC1h 55m
2026-07-01 N958LA - Jul 1, 03:05 UTCJul 1, 06:15 UTC3h 10m
2026-06-30 N958LA - Jun 30, 08:10 UTCJun 30, 11:05 UTC2h 55m
2026-06-30 N958LA - Jun 30, 03:40 UTCJun 30, 06:45 UTC3h 5m
2026-06-29 N958LA LGB → LGB Jun 29, 05:20 UTCJun 29, 08:24 UTC3h 5m
2026-06-29 N958LA - Jun 29, 02:39 UTCJun 29, 04:00 UTC1h 20m
2026-06-29 N958LA - Jun 29, 00:05 UTCJun 29, 02:35 UTC2h 30m
2026-06-27 N958LA - Jun 27, 22:29 UTCJun 27, 23:04 UTC35m
2026-06-27 N958LA - Jun 27, 20:59 UTCJun 27, 21:10 UTC10m
2026-06-27 N958LA - Jun 27, 19:00 UTCJun 27, 19:24 UTC25m
2026-06-27 N958LA - Jun 27, 17:14 UTCJun 27, 17:44 UTC30m
2026-06-27 N958LA - Jun 27, 04:24 UTCJun 27, 05:55 UTC1h 30m
2026-06-27 N958LA - Jun 27, 02:39 UTCJun 27, 02:59 UTC20m
2026-06-27 N958LA - Jun 27, 00:55 UTCJun 27, 02:09 UTC1h 15m
2026-06-26 N958LA - Jun 26, 22:29 UTCJun 26, 22:55 UTC25m
2026-06-26 N958LA - Jun 26, 04:39 UTCJun 26, 05:50 UTC1h 10m
2026-06-25 N958LA - Jun 25, 22:20 UTCJun 25, 23:05 UTC45m
2026-06-25 N958LA LGB → LGB Jun 25, 07:54 UTCJun 25, 10:59 UTC3h 5m
2026-06-25 N958LA LGB → LGB Jun 25, 04:25 UTCJun 25, 06:09 UTC1h 45m
2026-06-24 N958LA - Jun 24, 08:04 UTCJun 24, 09:55 UTC1h 50m
2026-06-24 N958LA - Jun 24, 03:04 UTCJun 24, 05:44 UTC2h 40m
2026-06-23 N958LA - Jun 23, 03:04 UTCJun 23, 06:04 UTC3h 0m
2026-06-22 N958LA - Jun 22, 08:04 UTCJun 22, 10:55 UTC2h 50m
2026-06-22 N958LA - Jun 22, 03:30 UTCJun 22, 05:49 UTC2h 20m

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 N958LA page for operator, model, and routing details .

Mode-S AD535A frequently asked

What is Mode-S code AD535A?
AD535A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N958LA.
Where is Mode-S AD535A registered?
Mode-S code AD535A 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 AD535A broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD535A, octal 53251532, decimal 11,359,066.
What flights does AD535A operate?
Mode-S AD535A has broadcast 1 distinct callsign, including N958LA.