sensors Mode-S transponder

A785FD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N584NN · BOMBARDIER Regional Jet CRJ-900 · operated by AMERICAN AIRLINES INC

Hex
A785FD
Octal
51702775
Decimal
10,978,813
Country
US
Tail
N584NN
Type
CRJ9
No current signal · last broadcast 18h ago
Flights observed
15
Distinct callsigns
9
Country
US
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S A785FD.

Country allocation

The ICAO 24-bit address A785FD 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 9 distinct

Callsign Airline Flights Last seen
JIA5083 - 4 2026-04-13
JIA5572 - 3 2026-04-13
JIA5036 - 2 2026-04-13
JIA5662 - 1 2026-04-13
JIA5661 - 1 2026-04-12
JIA5550 - 1 2026-04-13
JIA5374 - 1 2026-04-13
JIA5298 - 1 2026-04-14
JIA5061 PSA Airlines 1 2026-04-12

Recent flights last 15

DateFlightRouteTakeoffLandingDuration
2026-04-14 JIA5298 - Apr 14, 10:24 UTCApr 14, 11:45 UTC1h 21m
2026-04-13 JIA5550 - Apr 13, 22:50 UTCApr 13, 23:45 UTC55m
2026-04-13 JIA5374 - Apr 13, 21:18 UTCApr 13, 21:57 UTC39m
2026-04-13 JIA5083 - Apr 13, 19:50 UTCApr 13, 20:05 UTC15m
2026-04-13 JIA5083 - Apr 13, 19:11 UTCApr 13, 19:54 UTC43m
2026-04-13 JIA5083 - Apr 13, 19:34 UTCApr 13, 19:54 UTC20m
2026-04-13 JIA5083 - Apr 13, 17:40 UTCApr 13, 18:20 UTC40m
2026-04-13 JIA5572 - Apr 13, 16:15 UTCApr 13, 16:40 UTC25m
2026-04-13 JIA5572 - Apr 13, 15:55 UTCApr 13, 16:15 UTC20m
2026-04-13 JIA5572 - Apr 13, 14:20 UTCApr 13, 15:05 UTC45m
2026-04-13 JIA5036 - Apr 13, 11:55 UTCApr 13, 12:05 UTC10m
2026-04-13 JIA5036 - Apr 13, 11:30 UTCApr 13, 12:22 UTC52m
2026-04-13 JIA5662 - Apr 13, 01:18 UTCApr 13, 01:48 UTC30m
2026-04-12 JIA5061 CMH → PHL Apr 12, 18:55 UTCApr 12, 19:50 UTC55m
2026-04-12 JIA5661 DCA → DCA Apr 12, 16:21 UTCApr 12, 17:15 UTC54m

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 N584NN page for operator, model, and routing details .

Mode-S A785FD frequently asked

What is Mode-S code A785FD?
A785FD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N584NN.
Where is Mode-S A785FD registered?
Mode-S code A785FD 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 A785FD broadcasting right now?
No active broadcast right now. Last signal was 18h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A785FD, octal 51702775, decimal 10,978,813.
What flights does A785FD operate?
Mode-S A785FD has broadcast 9 distinct callsigns, including JIA5083, JIA5572, JIA5036, JIA5662, JIA5661.