Apparatus

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sensors Mode-S transponder

A7F3E4

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N611QS · CESSNA 560XL Citation XLS · operated by NETJETS SALES INC

Hex
A7F3E4
Octal
51771744
Decimal
11,006,948
Country
US
Tail
N611QS
Type
C56X
No current signal · last broadcast 14d ago
Flights observed
66
Distinct callsigns
1
Country
US
Last broadcast
14d ago

Last known position

Most recent position reported by Mode-S A7F3E4.

Country allocation

The ICAO 24-bit address A7F3E4 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
EJA611 NetJets 66 2026-05-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-15 EJA611 PTK → BOS May 15, 18:20 UTCMay 15, 19:30 UTC1h 10m
2026-05-13 EJA611 PTK → BOS May 13, 19:30 UTCMay 13, 20:20 UTC50m
2026-05-12 EJA611 PTK → BOS May 12, 22:01 UTCMay 12, 22:45 UTC45m
2026-05-09 EJA611 PTK → BOS May 9, 20:05 UTCMay 9, 21:09 UTC1h 5m
2026-05-09 EJA611 PTK → BOS May 9, 14:45 UTCMay 9, 15:55 UTC1h 10m
2026-05-08 EJA611 PTK → BOS May 8, 21:55 UTCMay 8, 23:10 UTC1h 15m
2026-05-08 EJA611 PTK → BOS May 8, 19:55 UTCMay 8, 20:30 UTC35m
2026-05-08 EJA611 PTK → BOS May 8, 17:15 UTCMay 8, 18:40 UTC1h 25m
2026-05-08 EJA611 PTK → BOS May 8, 15:20 UTCMay 8, 16:00 UTC40m
2026-05-08 EJA611 PTK → BOS May 8, 14:25 UTCMay 8, 14:35 UTC10m
2026-05-07 EJA611 PTK → BOS May 7, 22:00 UTCMay 7, 23:09 UTC1h 10m
2026-05-07 EJA611 PTK → BOS May 7, 17:10 UTCMay 7, 21:00 UTC3h 50m
2026-05-07 EJA611 PTK → BOS May 7, 14:45 UTCMay 7, 14:55 UTC10m
2026-05-06 EJA611 PTK → BOS May 6, 19:25 UTCMay 6, 20:30 UTC1h 5m
2026-05-06 EJA611 PTK → BOS May 6, 16:00 UTCMay 6, 18:35 UTC2h 34m
2026-05-06 EJA611 PTK → BOS May 6, 12:55 UTCMay 6, 14:35 UTC1h 40m
2026-05-06 EJA611 PTK → BOS May 6, 11:40 UTCMay 6, 12:15 UTC35m
2026-05-05 EJA611 PTK → BOS May 5, 20:45 UTCMay 5, 21:45 UTC1h 0m
2026-05-05 EJA611 PTK → BOS May 5, 18:20 UTCMay 5, 19:55 UTC1h 35m
2026-05-05 EJA611 PTK → BOS May 5, 15:40 UTCMay 5, 16:00 UTC20m
2026-05-05 EJA611 PTK → BOS May 5, 12:00 UTCMay 5, 14:30 UTC2h 30m
2026-05-04 EJA611 PTK → BOS May 4, 22:00 UTCMay 4, 22:55 UTC55m
2026-05-04 EJA611 PTK → BOS May 4, 17:55 UTCMay 4, 20:50 UTC2h 56m
2026-05-04 EJA611 PTK → BOS May 4, 15:55 UTCMay 4, 16:40 UTC45m
2026-05-04 EJA611 PTK → BOS May 4, 12:50 UTCMay 4, 13:30 UTC40m
2026-05-03 EJA611 PTK → BOS May 3, 22:54 UTCMay 3, 23:39 UTC45m
2026-05-03 EJA611 PTK → BOS May 3, 21:14 UTCMay 3, 22:20 UTC1h 5m
2026-05-03 EJA611 PTK → BOS May 3, 19:15 UTCMay 3, 20:15 UTC1h 0m
2026-05-03 EJA611 PTK → BOS May 3, 16:45 UTCMay 3, 18:30 UTC1h 45m
2026-05-03 EJA611 PTK → BOS May 3, 00:50 UTCMay 3, 01:40 UTC50m
2026-05-02 EJA611 PTK → BOS May 2, 11:15 UTCMay 2, 11:55 UTC40m
2026-05-01 EJA611 PTK → BOS May 1, 18:55 UTCMay 1, 19:35 UTC40m
2026-05-01 EJA611 PTK → BOS May 1, 17:30 UTCMay 1, 18:20 UTC50m
2026-05-01 EJA611 PTK → BOS May 1, 14:15 UTCMay 1, 15:25 UTC1h 10m
2026-04-29 EJA611 PTK → BOS Apr 29, 14:55 UTCApr 29, 16:30 UTC1h 35m
2026-04-29 EJA611 PTK → BOS Apr 29, 12:50 UTCApr 29, 13:35 UTC45m
2026-04-27 EJA611 PTK → BOS Apr 27, 22:05 UTCApr 27, 23:00 UTC55m
2026-04-27 EJA611 PTK → BOS Apr 27, 19:20 UTCApr 27, 21:25 UTC2h 5m
2026-04-27 EJA611 PTK → BOS Apr 27, 15:45 UTCApr 27, 16:50 UTC1h 5m
2026-04-24 EJA611 PTK → BOS Apr 24, 17:35 UTCApr 24, 20:05 UTC2h 30m
2026-04-24 EJA611 PTK → BOS Apr 24, 15:40 UTCApr 24, 16:50 UTC1h 10m
2026-04-23 EJA611 PTK → BOS Apr 23, 21:55 UTCApr 23, 23:10 UTC1h 15m
2026-04-23 EJA611 PTK → BOS Apr 23, 20:05 UTCApr 23, 20:40 UTC35m
2026-04-23 EJA611 PTK → BOS Apr 23, 16:40 UTCApr 23, 19:10 UTC2h 29m
2026-04-22 EJA611 PTK → BOS Apr 22, 21:00 UTCApr 22, 22:30 UTC1h 30m
2026-04-22 EJA611 PTK → BOS Apr 22, 18:15 UTCApr 22, 19:25 UTC1h 10m
2026-04-22 EJA611 PTK → BOS Apr 22, 15:10 UTCApr 22, 16:40 UTC1h 30m
2026-04-22 EJA611 PTK → BOS Apr 22, 11:15 UTCApr 22, 13:25 UTC2h 10m
2026-04-21 EJA611 PTK → BOS Apr 21, 17:35 UTCApr 21, 19:50 UTC2h 15m
2026-04-21 EJA611 PTK → BOS Apr 21, 13:05 UTCApr 21, 13:35 UTC30m

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 N611QS page for operator, model, and routing details .

Mode-S A7F3E4 frequently asked

What is Mode-S code A7F3E4?
A7F3E4 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N611QS.
Where is Mode-S A7F3E4 registered?
Mode-S code A7F3E4 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 A7F3E4 broadcasting right now?
No active broadcast right now. Last signal was 14d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7F3E4, octal 51771744, decimal 11,006,948.
What flights does A7F3E4 operate?
Mode-S A7F3E4 has broadcast 1 distinct callsign, including EJA611.