Apparatus

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sensors Mode-S transponder

A05C8F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N122QS · BOMBARDIER BD-700 Global 5000/5500 · operated by NETJETS SALES INC, AIR CHINCOTEAGUE LLC, AJS ORIOLE LLC, FROGCOW LLC, WHITE JAMES, ROMOFF JEFFREY A TRUSTEE

Hex
A05C8F
Octal
50056217
Decimal
10,509,455
Country
US
Tail
N122QS
Type
GL5T
No current signal · last broadcast 5d ago
Flights observed
50
Distinct callsigns
2
Country
US
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S A05C8F.

Country allocation

The ICAO 24-bit address A05C8F 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
EJA122 NetJets 47 2026-06-13
N122QS - 3 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-13 EJA122 BED → BQH Jun 13, 14:35 UTCJun 13, 15:20 UTC45m
2026-06-09 EJA122 BED → BQH Jun 9, 15:30 UTCJun 9, 18:35 UTC3h 5m
2026-06-07 EJA122 BED → BQH Jun 7, 23:35 UTCJun 8, 01:35 UTC2h 0m
2026-06-07 EJA122 BED → BQH Jun 7, 13:10 UTCJun 7, 13:55 UTC45m
2026-06-06 EJA122 BED → BQH Jun 6, 19:10 UTCJun 6, 20:49 UTC1h 40m
2026-06-04 EJA122 BED → BQH Jun 4, 19:50 UTCJun 4, 20:15 UTC25m
2026-06-04 EJA122 BED → BQH Jun 4, 16:10 UTCJun 4, 18:45 UTC2h 35m
2026-06-04 EJA122 BED → BQH Jun 4, 03:30 UTCJun 4, 07:50 UTC4h 20m
2026-06-01 EJA122 BED → BQH Jun 1, 22:15 UTCJun 1, 22:40 UTC25m
2026-06-01 EJA122 BED → BQH Jun 1, 14:45 UTCJun 1, 19:55 UTC5h 10m
2026-05-31 EJA122 BED → BQH May 31, 20:05 UTCMay 31, 20:30 UTC25m
2026-05-31 EJA122 BED → BQH May 31, 14:15 UTCMay 31, 16:45 UTC2h 30m
2026-05-27 EJA122 BED → BQH May 27, 00:59 UTCMay 27, 01:14 UTC15m
2026-05-23 EJA122 BED → BQH May 23, 13:40 UTCMay 23, 15:45 UTC2h 5m
2026-05-21 EJA122 BED → BQH May 21, 20:10 UTCMay 21, 22:25 UTC2h 15m
2026-05-21 EJA122 BED → BQH May 21, 17:05 UTCMay 21, 18:40 UTC1h 35m
2026-05-20 EJA122 BED → BQH May 20, 18:45 UTCMay 20, 19:50 UTC1h 5m
2026-05-20 EJA122 BED → BQH May 20, 14:40 UTCMay 20, 17:00 UTC2h 20m
2026-05-19 EJA122 BED → BQH May 19, 22:25 UTCMay 19, 22:40 UTC15m
2026-05-19 EJA122 BED → BQH May 19, 19:20 UTCMay 19, 21:20 UTC2h 0m
2026-05-19 EJA122 BED → BQH May 19, 16:40 UTCMay 19, 17:50 UTC1h 10m
2026-05-18 EJA122 BED → BQH May 18, 16:25 UTCMay 18, 19:10 UTC2h 44m
2026-05-18 EJA122 BED → BQH May 18, 12:15 UTCMay 18, 13:50 UTC1h 35m
2026-05-17 EJA122 BED → BQH May 17, 19:55 UTCMay 17, 21:50 UTC1h 55m
2026-05-17 EJA122 BED → BQH May 17, 15:50 UTCMay 17, 18:20 UTC2h 30m
2026-05-17 EJA122 BED → BQH May 17, 12:35 UTCMay 17, 14:40 UTC2h 5m
2026-05-14 EJA122 BED → BQH May 14, 21:10 UTCMay 14, 23:05 UTC1h 55m
2026-05-14 EJA122 BED → BQH May 14, 18:15 UTCMay 14, 19:00 UTC45m
2026-05-14 EJA122 BED → BQH May 14, 15:15 UTCMay 14, 17:15 UTC2h 0m
2026-05-14 EJA122 BED → BQH May 14, 13:40 UTCMay 14, 13:55 UTC15m
2026-05-12 EJA122 BED → BQH May 12, 20:15 UTCMay 12, 20:50 UTC35m
2026-05-12 EJA122 BED → BQH May 12, 17:40 UTCMay 12, 19:25 UTC1h 45m
2026-05-12 EJA122 BED → BQH May 12, 16:00 UTCMay 12, 16:50 UTC50m
2026-05-12 EJA122 BED → BQH May 12, 14:35 UTCMay 12, 15:25 UTC50m
2026-05-10 EJA122 BED → BQH May 10, 20:14 UTCMay 10, 21:54 UTC1h 40m
2026-05-10 EJA122 BED → BQH May 10, 17:49 UTCMay 10, 17:59 UTC10m
2026-05-10 EJA122 BED → BQH May 10, 13:40 UTCMay 10, 16:20 UTC2h 40m
2026-05-10 EJA122 BED → BQH May 10, 12:40 UTCMay 10, 12:59 UTC20m
2026-05-09 EJA122 BED → BQH May 9, 15:25 UTCMay 9, 17:30 UTC2h 5m
2026-05-09 EJA122 BED → BQH May 9, 13:30 UTCMay 9, 13:40 UTC10m
2026-05-08 EJA122 BED → BQH May 8, 00:44 UTCMay 8, 03:04 UTC2h 20m
2026-05-07 EJA122 BED → BQH May 7, 19:30 UTCMay 7, 23:24 UTC3h 55m
2026-05-07 EJA122 BED → BQH May 7, 00:25 UTCMay 7, 01:15 UTC50m
2026-05-06 N122QS - May 6, 03:25 UTCMay 6, 07:55 UTC4h 30m
2026-05-05 N122QS - May 5, 05:10 UTCMay 5, 05:25 UTC15m
2026-05-05 N122QS - May 5, 00:40 UTCMay 5, 01:05 UTC25m
2026-05-04 EJA122 BED → BQH May 4, 01:50 UTCMay 4, 02:45 UTC55m
2026-05-03 EJA122 BED → BQH May 3, 16:50 UTCMay 3, 22:30 UTC5h 40m
2026-05-03 EJA122 BED → BQH May 3, 02:00 UTCMay 3, 03:30 UTC1h 29m
2026-05-02 EJA122 BED → BQH May 2, 22:45 UTCMay 3, 00:01 UTC1h 15m

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 N122QS page for operator, model, and routing details .

Mode-S A05C8F frequently asked

What is Mode-S code A05C8F?
A05C8F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N122QS.
Where is Mode-S A05C8F registered?
Mode-S code A05C8F 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 A05C8F broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A05C8F, octal 50056217, decimal 10,509,455.
What flights does A05C8F operate?
Mode-S A05C8F has broadcast 2 distinct callsigns, including EJA122, N122QS.