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sensors Mode-S transponder

ADA2CC

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N978QS · CESSNA 680 Citation Latitude · operated by FLY BECKYS AIR LLC, MACK CHRISTY, HAWKINS FRED JR, HEALTHPEAK OP LLC, J&W VOYAGER LLC, RHODES JEFFREY

Hex
ADA2CC
Octal
53321314
Decimal
11,379,404
Country
US
Tail
N978QS
Type
C68A
Broadcasting now · callsign EJA978 · 40,250 ft
Flights observed
166
Distinct callsigns
2
Country
US
Last broadcast
44m ago

Current position

ADA2CC is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address ADA2CC 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 2 distinct

Callsign Airline Flights Last seen
EJA978 - 157 2026-07-14
N978QS - 9 2026-06-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EJA978 - Jul 14, 18:35 UTCJul 14, 19:00 UTC25m
2026-07-14 EJA978 - Jul 14, 13:05 UTCJul 14, 15:10 UTC2h 5m
2026-07-13 EJA978 - Jul 13, 21:00 UTCJul 13, 21:25 UTC25m
2026-07-13 EJA978 - Jul 13, 18:30 UTCJul 13, 19:55 UTC1h 25m
2026-07-13 EJA978 - Jul 13, 16:10 UTCJul 13, 17:15 UTC1h 5m
2026-07-13 EJA978 - Jul 13, 13:55 UTCJul 13, 14:35 UTC40m
2026-07-12 EJA978 - Jul 12, 20:45 UTCJul 12, 21:20 UTC35m
2026-07-12 EJA978 - Jul 12, 17:45 UTCJul 12, 19:25 UTC1h 40m
2026-07-12 EJA978 - Jul 12, 15:50 UTCJul 12, 16:25 UTC35m
2026-07-12 EJA978 - Jul 12, 14:15 UTCJul 12, 14:50 UTC35m
2026-07-11 EJA978 - Jul 11, 17:35 UTCJul 11, 22:45 UTC5h 10m
2026-07-11 EJA978 - Jul 11, 15:45 UTCJul 11, 16:30 UTC45m
2026-07-10 EJA978 - Jul 10, 22:15 UTCJul 10, 22:55 UTC40m
2026-07-10 EJA978 - Jul 10, 20:45 UTCJul 10, 21:35 UTC50m
2026-07-10 EJA978 - Jul 10, 14:30 UTCJul 10, 18:45 UTC4h 15m
2026-07-09 EJA978 - Jul 9, 21:00 UTCJul 9, 21:10 UTC10m
2026-07-08 EJA978 - Jul 8, 17:55 UTCJul 8, 18:35 UTC40m
2026-07-08 EJA978 - Jul 8, 16:20 UTCJul 8, 16:50 UTC30m
2026-07-06 EJA978 RIL → HPN Jul 6, 22:55 UTCJul 6, 23:30 UTC35m
2026-07-06 EJA978 RIL → HPN Jul 6, 17:40 UTCJul 6, 20:00 UTC2h 20m
2026-07-06 EJA978 RIL → HPN Jul 6, 13:35 UTCJul 6, 15:45 UTC2h 10m
2026-07-05 EJA978 RIL → HPN Jul 5, 21:25 UTCJul 5, 23:25 UTC2h 0m
2026-06-25 EJA978 RIL → HPN Jun 25, 14:50 UTCJun 25, 16:59 UTC2h 10m
2026-06-24 EJA978 RIL → HPN Jun 24, 22:55 UTCJun 24, 23:34 UTC40m
2026-06-24 EJA978 RIL → HPN Jun 24, 21:29 UTCJun 24, 22:04 UTC35m
2026-06-24 EJA978 RIL → HPN Jun 24, 18:20 UTCJun 24, 20:14 UTC1h 55m
2026-06-24 EJA978 RIL → HPN Jun 24, 14:55 UTCJun 24, 17:05 UTC2h 10m
2026-06-24 EJA978 RIL → HPN Jun 24, 11:59 UTCJun 24, 12:30 UTC30m
2026-06-23 EJA978 RIL → HPN Jun 23, 21:45 UTCJun 23, 22:25 UTC40m
2026-06-23 EJA978 RIL → HPN Jun 23, 20:19 UTCJun 23, 21:14 UTC55m
2026-06-23 EJA978 RIL → HPN Jun 23, 16:50 UTCJun 23, 18:04 UTC1h 15m
2026-06-23 EJA978 RIL → HPN Jun 23, 14:29 UTCJun 23, 15:44 UTC1h 15m
2026-06-23 EJA978 RIL → HPN Jun 23, 11:29 UTCJun 23, 13:39 UTC2h 10m
2026-06-22 EJA978 RIL → HPN Jun 22, 21:49 UTCJun 22, 23:45 UTC1h 55m
2026-06-22 EJA978 RIL → HPN Jun 22, 20:04 UTCJun 22, 20:24 UTC20m
2026-06-22 EJA978 RIL → HPN Jun 22, 14:34 UTCJun 22, 19:00 UTC4h 25m
2026-06-21 EJA978 RIL → HPN Jun 21, 19:09 UTCJun 21, 22:54 UTC3h 45m
2026-06-21 EJA978 RIL → HPN Jun 21, 16:34 UTCJun 21, 16:59 UTC25m
2026-06-21 EJA978 RIL → HPN Jun 21, 13:59 UTCJun 21, 14:54 UTC55m
2026-06-20 EJA978 RIL → HPN Jun 20, 17:34 UTCJun 20, 21:10 UTC3h 35m
2026-06-20 EJA978 RIL → HPN Jun 20, 13:14 UTCJun 20, 14:54 UTC1h 40m
2026-06-20 EJA978 RIL → HPN Jun 20, 11:30 UTCJun 20, 12:04 UTC35m
2026-06-19 EJA978 RIL → HPN Jun 19, 20:29 UTCJun 19, 20:44 UTC15m
2026-06-19 EJA978 RIL → HPN Jun 19, 19:54 UTCJun 19, 19:59 UTC5m
2026-06-19 EJA978 RIL → HPN Jun 19, 16:39 UTCJun 19, 19:19 UTC2h 40m
2026-06-19 EJA978 RIL → HPN Jun 19, 14:34 UTCJun 19, 15:09 UTC35m
2026-06-18 EJA978 RIL → HPN Jun 18, 16:05 UTCJun 18, 17:15 UTC1h 10m
2026-06-18 EJA978 RIL → HPN Jun 18, 13:45 UTCJun 18, 15:05 UTC1h 20m
2026-06-18 EJA978 RIL → HPN Jun 18, 00:35 UTCJun 18, 01:05 UTC30m
2026-06-17 EJA978 RIL → HPN Jun 17, 22:05 UTCJun 17, 22:20 UTC15m

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 N978QS page for operator, model, and routing details .

Mode-S ADA2CC frequently asked

What is Mode-S code ADA2CC?
ADA2CC is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N978QS.
Where is Mode-S ADA2CC registered?
Mode-S code ADA2CC 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 ADA2CC broadcasting right now?
Yes. Mode-S ADA2CC is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ADA2CC, octal 53321314, decimal 11,379,404.
What flights does ADA2CC operate?
Mode-S ADA2CC has broadcast 2 distinct callsigns, including EJA978, N978QS.