sensors Mode-S transponder

A76D5A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N578NN · BOMBARDIER Regional Jet CRJ-900 · operated by AMERICAN AIRLINES INC

Hex
A76D5A
Octal
51666532
Decimal
10,972,506
Country
US
Tail
N578NN
Type
CRJ9
No current signal · last broadcast 1d ago
Flights observed
13
Distinct callsigns
5
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S A76D5A.

Country allocation

The ICAO 24-bit address A76D5A 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 5 distinct

Callsign Airline Flights Last seen
JIA5266 PSA Airlines 4 2026-04-13
JIA5224 - 3 2026-04-13
JIA5161 - 3 2026-04-13
JIA5350 - 2 2026-04-12
JIA5022 - 1 2026-04-13

Recent flights last 13

DateFlightRouteTakeoffLandingDuration
2026-04-13 JIA5224 - Apr 13, 21:58 UTCApr 13, 23:10 UTC1h 12m
2026-04-13 JIA5224 - Apr 13, 19:50 UTCApr 13, 20:50 UTC1h 0m
2026-04-13 JIA5224 - Apr 13, 19:42 UTCApr 13, 20:58 UTC1h 16m
2026-04-13 JIA5161 - Apr 13, 17:33 UTCApr 13, 18:15 UTC42m
2026-04-13 JIA5161 - Apr 13, 17:46 UTCApr 13, 18:25 UTC39m
2026-04-13 JIA5161 - Apr 13, 16:25 UTCApr 13, 17:00 UTC35m
2026-04-13 JIA5266 PHL → AVL Apr 13, 13:35 UTCApr 13, 14:31 UTC56m
2026-04-13 JIA5266 PHL → AVL Apr 13, 12:20 UTCApr 13, 12:35 UTC15m
2026-04-13 JIA5266 PHL → AVL Apr 13, 11:55 UTCApr 13, 12:35 UTC40m
2026-04-13 JIA5266 PHL → AVL Apr 13, 11:40 UTCApr 13, 12:15 UTC35m
2026-04-13 JIA5022 - Apr 13, 00:20 UTCApr 13, 01:00 UTC40m
2026-04-12 JIA5350 - Apr 12, 18:45 UTCApr 12, 20:15 UTC1h 30m
2026-04-12 JIA5350 - Apr 12, 17:15 UTCApr 12, 17:25 UTC10m

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 N578NN page for operator, model, and routing details .

Mode-S A76D5A frequently asked

What is Mode-S code A76D5A?
A76D5A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N578NN.
Where is Mode-S A76D5A registered?
Mode-S code A76D5A 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 A76D5A broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A76D5A, octal 51666532, decimal 10,972,506.
What flights does A76D5A operate?
Mode-S A76D5A has broadcast 5 distinct callsigns, including JIA5266, JIA5224, JIA5161, JIA5350, JIA5022.