sensors Mode-S transponder

A770D4

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N579LB · operated by COLLIER MOSQUITO CONTROL DISTRICT

Hex
A770D4
Octal
51670324
Decimal
10,973,396
Country
US
Tail
N579LB
Type
B407
No current signal · last broadcast 4h ago
Flights observed
33
Distinct callsigns
1
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S A770D4.

Country allocation

The ICAO 24-bit address A770D4 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
N579LB - 33 2026-07-14

Recent flights last 33

DateFlightRouteTakeoffLandingDuration
2026-07-14 N579LB APF → APF Jul 14, 09:55 UTCJul 14, 11:00 UTC1h 5m
2026-07-10 N579LB - Jul 10, 09:55 UTCJul 10, 10:50 UTC55m
2026-07-09 N579LB - Jul 9, 09:55 UTCJul 9, 10:25 UTC30m
2026-07-08 N579LB - Jul 8, 10:35 UTCJul 8, 11:00 UTC25m
2026-07-08 N579LB - Jul 8, 09:50 UTCJul 8, 10:00 UTC10m
2026-07-03 N579LB - Jul 3, 10:45 UTCJul 3, 10:55 UTC10m
2026-07-03 N579LB - Jul 3, 09:55 UTCJul 3, 10:05 UTC10m
2026-07-01 N579LB - Jul 1, 10:00 UTCJul 1, 10:35 UTC35m
2026-06-30 N579LB - Jun 30, 09:50 UTCJun 30, 10:55 UTC1h 5m
2026-06-26 N579LB - Jun 26, 10:50 UTCJun 26, 11:24 UTC35m
2026-06-25 N579LB - Jun 25, 10:04 UTCJun 25, 11:15 UTC1h 10m
2026-06-17 N579LB - Jun 17, 10:15 UTCJun 17, 10:40 UTC25m
2026-06-16 N579LB - Jun 16, 11:05 UTCJun 16, 11:25 UTC20m
2026-06-16 N579LB - Jun 16, 10:09 UTCJun 16, 10:25 UTC15m
2026-06-12 N579LB - Jun 12, 10:05 UTCJun 12, 10:55 UTC50m
2026-06-11 N579LB - Jun 11, 10:05 UTCJun 11, 10:45 UTC40m
2026-06-10 N579LB - Jun 10, 10:10 UTCJun 10, 11:30 UTC1h 20m
2026-06-05 N579LB - Jun 5, 10:20 UTCJun 5, 11:30 UTC1h 10m
2026-06-03 N579LB - Jun 3, 10:40 UTCJun 3, 12:00 UTC1h 20m
2026-05-29 N579LB - May 29, 14:25 UTCMay 29, 14:35 UTC10m
2026-05-29 N579LB - May 29, 11:30 UTCMay 29, 12:20 UTC50m
2026-05-28 N579LB - May 28, 23:50 UTCMay 29, 01:05 UTC1h 15m
2026-05-19 N579LB - May 19, 23:50 UTCMay 20, 01:10 UTC1h 20m
2026-05-15 N579LB - May 15, 12:10 UTCMay 15, 12:50 UTC40m
2026-05-12 N579LB - May 12, 23:45 UTCMay 13, 00:55 UTC1h 10m
2026-05-06 N579LB - May 6, 12:30 UTCMay 6, 13:15 UTC45m
2026-04-29 N579LB - Apr 29, 23:05 UTCApr 30, 00:25 UTC1h 20m
2026-04-22 N579LB - Apr 22, 23:10 UTCApr 23, 00:30 UTC1h 20m
2026-04-15 N579LB - Apr 15, 23:15 UTCApr 16, 00:30 UTC1h 15m
2026-04-14 N579LB - Apr 14, 23:20 UTCApr 14, 23:55 UTC35m
2026-04-14 N579LB - Apr 14, 13:35 UTCApr 14, 14:05 UTC30m
2026-04-13 N579LB - Apr 13, 15:10 UTCApr 13, 15:20 UTC10m
2026-04-13 N579LB - Apr 13, 13:00 UTCApr 13, 13:50 UTC50m

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 N579LB page for operator, model, and routing details .

Mode-S A770D4 frequently asked

What is Mode-S code A770D4?
A770D4 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N579LB.
Where is Mode-S A770D4 registered?
Mode-S code A770D4 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 A770D4 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A770D4, octal 51670324, decimal 10,973,396.
What flights does A770D4 operate?
Mode-S A770D4 has broadcast 1 distinct callsign, including N579LB.