Apparatus

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sensors Mode-S transponder

A8DBB0

ICAO 24-bit transponder address · allocated to United States

Hex
A8DBB0
Octal
52155660
Decimal
11,066,288
Country
US
No current signal · last broadcast 2h ago
Flights observed
69
Distinct callsigns
1
Country
US
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S A8DBB0.

Country allocation

The ICAO 24-bit address A8DBB0 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
N67ZT - 69 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 N67ZT - Jul 14, 17:15 UTCJul 14, 17:20 UTC5m
2026-07-14 N67ZT HII → HII Jul 14, 15:20 UTCJul 14, 16:50 UTC1h 30m
2026-07-13 N67ZT - Jul 13, 17:55 UTCJul 13, 18:10 UTC15m
2026-07-13 N67ZT - Jul 13, 16:40 UTCJul 13, 16:45 UTC5m
2026-07-13 N67ZT HII → HII Jul 13, 16:25 UTCJul 13, 16:35 UTC10m
2026-07-13 N67ZT HII → HII Jul 13, 15:55 UTCJul 13, 16:00 UTC5m
2026-07-13 N67ZT - Jul 13, 00:45 UTCJul 13, 00:50 UTC5m
2026-07-13 N67ZT - Jul 13, 00:30 UTCJul 13, 00:35 UTC5m
2026-07-12 N67ZT - Jul 12, 23:55 UTCJul 13, 00:15 UTC20m
2026-07-12 N67ZT HII → HII Jul 12, 23:25 UTCJul 12, 23:50 UTC25m
2026-07-12 N67ZT - Jul 12, 15:50 UTCJul 12, 16:01 UTC10m
2026-07-12 N67ZT HII → HII Jul 12, 15:25 UTCJul 12, 15:35 UTC10m
2026-07-12 N67ZT - Jul 12, 14:40 UTCJul 12, 15:01 UTC20m
2026-07-11 N67ZT - Jul 11, 18:30 UTCJul 11, 18:55 UTC25m
2026-07-11 N67ZT - Jul 11, 18:10 UTCJul 11, 18:15 UTC5m
2026-07-11 N67ZT - Jul 11, 17:55 UTCJul 11, 18:00 UTC5m
2026-07-11 N67ZT HII → HII Jul 11, 17:25 UTCJul 11, 17:40 UTC15m
2026-07-11 N67ZT - Jul 11, 17:10 UTCJul 11, 17:15 UTC5m
2026-07-09 N67ZT - Jul 9, 16:35 UTCJul 9, 16:50 UTC15m
2026-07-09 N67ZT - Jul 9, 14:50 UTCJul 9, 15:00 UTC10m
2026-07-08 N67ZT HSH → HII Jul 8, 18:40 UTCJul 8, 19:30 UTC50m
2026-07-08 N67ZT HII → HSH Jul 8, 15:20 UTCJul 8, 16:00 UTC40m
2026-07-07 N67ZT - Jul 7, 15:25 UTCJul 7, 15:50 UTC25m
2026-07-07 N67ZT - Jul 7, 14:05 UTCJul 7, 14:35 UTC30m
2026-07-06 N67ZT HSH → HII Jul 6, 19:35 UTCJul 6, 20:20 UTC45m
2026-07-06 N67ZT HII → HSH Jul 6, 16:40 UTCJul 6, 17:20 UTC40m
2026-07-03 N67ZT - Jul 3, 03:35 UTCJul 3, 04:15 UTC40m
2026-07-03 N67ZT HII → HSH Jul 3, 02:25 UTCJul 3, 03:05 UTC40m
2026-07-02 N67ZT HII → HII Jul 2, 15:00 UTCJul 2, 15:05 UTC5m
2026-07-02 N67ZT HII → HII Jul 2, 14:45 UTCJul 2, 14:55 UTC10m
2026-07-02 N67ZT - Jul 2, 14:30 UTCJul 2, 14:35 UTC5m
2026-07-02 N67ZT HII → HII Jul 2, 14:15 UTCJul 2, 14:25 UTC10m
2026-07-02 N67ZT HII → HII Jul 2, 13:50 UTCJul 2, 14:00 UTC10m
2026-07-01 N67ZT HII → HII Jul 1, 16:15 UTCJul 1, 17:10 UTC55m
2026-07-01 N67ZT - Jul 1, 15:55 UTCJul 1, 16:00 UTC5m
2026-07-01 N67ZT HII → HII Jul 1, 15:40 UTCJul 1, 15:45 UTC5m
2026-07-01 N67ZT HII → HII Jul 1, 15:25 UTCJul 1, 15:30 UTC5m
2026-07-01 N67ZT HII → HII Jul 1, 15:00 UTCJul 1, 15:20 UTC20m
2026-06-30 N67ZT - Jun 30, 22:20 UTCJun 30, 23:20 UTC1h 0m
2026-06-30 N67ZT - Jun 30, 14:40 UTCJun 30, 15:35 UTC55m
2026-06-28 N67ZT - Jun 28, 19:49 UTCJun 28, 20:25 UTC35m
2026-06-28 N67ZT - Jun 28, 18:55 UTCJun 28, 19:20 UTC25m
2026-06-28 N67ZT - Jun 28, 18:10 UTCJun 28, 18:25 UTC15m
2026-06-27 N67ZT - Jun 27, 17:25 UTCJun 27, 17:59 UTC35m
2026-06-27 N67ZT - Jun 27, 15:05 UTCJun 27, 15:14 UTC10m
2026-06-26 N67ZT - Jun 26, 16:35 UTCJun 26, 17:25 UTC50m
2026-06-26 N67ZT - Jun 26, 15:29 UTCJun 26, 15:54 UTC25m
2026-06-26 N67ZT - Jun 26, 01:05 UTCJun 26, 01:20 UTC15m
2026-06-25 N67ZT - Jun 25, 19:29 UTCJun 25, 21:10 UTC1h 40m
2026-06-24 N67ZT BJC → BJC Jun 24, 21:09 UTCJun 24, 23:10 UTC2h 0m

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.

Mode-S A8DBB0 frequently asked

What is Mode-S code A8DBB0?
A8DBB0 is an ICAO 24-bit transponder address. Allocated to United States.
Where is Mode-S A8DBB0 registered?
Mode-S code A8DBB0 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 A8DBB0 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8DBB0, octal 52155660, decimal 11,066,288.
What flights does A8DBB0 operate?
Mode-S A8DBB0 has broadcast 1 distinct callsign, including N67ZT.