Apparatus

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sensors Mode-S transponder

A8690E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N641BC · SAAB 340 · operated by IBC AIRWAYS INC

Hex
A8690E
Octal
52064416
Decimal
11,036,942
Country
US
Tail
N641BC
Type
SF34
No current signal · last broadcast 13h ago
Flights observed
53
Distinct callsigns
14
Country
US
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S A8690E.

Country allocation

The ICAO 24-bit address A8690E 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 14 distinct

Callsign Airline Flights Last seen
CSQ344 IBC Airways 10 2026-05-19
CSQ343 IBC Airways 9 2026-05-15
CSQ102 IBC Airways 5 2026-05-29
CSQ345 IBC Airways 4 2026-05-21
CSQ212 IBC Airways 4 2026-05-22
CSQ211 IBC Airways 4 2026-05-22
CSQ101 IBC Airways 4 2026-05-28
CSQ346 IBC Airways 3 2026-05-21
CSQ104 IBC Airways 3 2026-05-29
CSQ103 IBC Airways 3 2026-05-29
CSQ112 IBC Airways 1 2026-05-05
CSQ111 IBC Airways 1 2026-05-05
CSQ108 IBC Airways 1 2026-04-23
CSQ107 IBC Airways 1 2026-04-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 CSQ104 FPO → MIA May 29, 18:10 UTCMay 29, 18:50 UTC40m
2026-05-29 CSQ103 MIA → FPO May 29, 15:25 UTCMay 29, 15:50 UTC25m
2026-05-29 CSQ102 NAS → MIA May 29, 00:00 UTCMay 29, 00:25 UTC25m
2026-05-28 CSQ101 MIA → NAS May 28, 16:05 UTCMay 28, 16:35 UTC30m
2026-05-27 CSQ104 FPO → MIA May 27, 19:15 UTCMay 27, 19:40 UTC25m
2026-05-27 CSQ103 MIA → FPO May 27, 16:30 UTCMay 27, 16:50 UTC20m
2026-05-26 CSQ102 NAS → MIA May 26, 23:19 UTCMay 26, 23:49 UTC30m
2026-05-26 CSQ101 MIA → NAS May 26, 15:24 UTCMay 26, 15:54 UTC30m
2026-05-22 CSQ212 GCM → MIA May 22, 23:05 UTCMay 22, 23:30 UTC25m
2026-05-22 CSQ211 MIA → GCM May 22, 15:40 UTCMay 22, 16:20 UTC40m
2026-05-21 CSQ346 PLS → MIA May 21, 21:55 UTCMay 21, 22:20 UTC25m
2026-05-21 CSQ345 MIA → PLS May 21, 15:45 UTCMay 21, 16:10 UTC25m
2026-05-20 CSQ212 GCM → MIA May 20, 23:55 UTCMay 21, 00:30 UTC35m
2026-05-20 CSQ211 MIA → GCM May 20, 15:40 UTCMay 20, 16:20 UTC40m
2026-05-19 CSQ344 PLS → MIA May 19, 21:45 UTCMay 19, 22:15 UTC30m
2026-05-19 CSQ345 MIA → PLS May 19, 15:55 UTCMay 19, 16:25 UTC30m
2026-05-18 CSQ104 FPO → MIA May 18, 18:40 UTCMay 18, 19:10 UTC30m
2026-05-18 CSQ103 MIA → FPO May 18, 14:15 UTCMay 18, 14:35 UTC20m
2026-05-15 CSQ344 PLS → MIA May 15, 20:50 UTCMay 15, 21:10 UTC20m
2026-05-15 CSQ343 MIA → PLS May 15, 14:40 UTCMay 15, 15:15 UTC34m
2026-05-13 CSQ344 PLS → MIA May 13, 21:35 UTCMay 13, 21:50 UTC15m
2026-05-13 CSQ343 MIA → PLS May 13, 15:00 UTCMay 13, 15:30 UTC30m
2026-05-11 CSQ346 PLS → MIA May 11, 21:30 UTCMay 11, 21:55 UTC25m
2026-05-11 CSQ345 MIA → PLS May 11, 15:35 UTCMay 11, 16:05 UTC30m
2026-05-08 CSQ344 PLS → MIA May 8, 21:10 UTCMay 8, 21:40 UTC30m
2026-05-08 CSQ343 MIA → PLS May 8, 15:25 UTCMay 8, 16:00 UTC35m
2026-05-05 CSQ112 NAS → MIA May 5, 19:35 UTCMay 5, 20:01 UTC25m
2026-05-05 CSQ111 MIA → NAS May 5, 15:50 UTCMay 5, 16:15 UTC25m
2026-05-04 CSQ346 PLS → MIA May 4, 21:40 UTCMay 4, 22:15 UTC35m
2026-05-04 CSQ345 MIA → PLS May 4, 15:15 UTCMay 4, 15:45 UTC30m
2026-04-29 CSQ102 NAS → MIA Apr 29, 23:45 UTCApr 30, 00:10 UTC25m
2026-04-29 CSQ101 MIA → NAS Apr 29, 15:35 UTCApr 29, 16:00 UTC25m
2026-04-28 CSQ212 GCM → MIA Apr 28, 00:10 UTCApr 28, 00:45 UTC35m
2026-04-27 CSQ211 MIA → GCM Apr 27, 14:40 UTCApr 27, 15:20 UTC40m
2026-04-24 CSQ212 GCM → MIA Apr 24, 23:55 UTCApr 25, 00:25 UTC30m
2026-04-24 CSQ211 MIA → GCM Apr 24, 15:50 UTCApr 24, 16:30 UTC40m
2026-04-23 CSQ108 FPO → MIA Apr 23, 20:35 UTCApr 23, 21:05 UTC30m
2026-04-23 CSQ107 MIA → FPO Apr 23, 18:35 UTCApr 23, 18:50 UTC15m
2026-04-23 CSQ344 PLS → MIA Apr 23, 16:45 UTCApr 23, 17:05 UTC20m
2026-04-22 CSQ343 MIA → PLS Apr 22, 14:50 UTCApr 22, 15:20 UTC30m
2026-04-21 CSQ344 PLS → MIA Apr 21, 21:10 UTCApr 21, 21:25 UTC15m
2026-04-21 CSQ343 MIA → PLS Apr 21, 14:50 UTCApr 21, 15:15 UTC25m
2026-04-20 CSQ344 PLS → MIA Apr 20, 20:40 UTCApr 20, 21:15 UTC35m
2026-04-20 CSQ343 MIA → PLS Apr 20, 14:55 UTCApr 20, 15:20 UTC25m
2026-04-18 CSQ102 NAS → MIA Apr 18, 00:15 UTCApr 18, 00:40 UTC25m
2026-04-17 CSQ101 MIA → NAS Apr 17, 16:10 UTCApr 17, 16:40 UTC30m
2026-04-16 CSQ344 PLS → MIA Apr 16, 21:34 UTCApr 16, 22:05 UTC30m
2026-04-16 CSQ343 MIA → PLS Apr 16, 15:45 UTCApr 16, 16:10 UTC25m
2026-04-15 CSQ102 NAS → MIA Apr 15, 23:25 UTCApr 15, 23:45 UTC20m
2026-04-14 CSQ344 PLS → MIA Apr 14, 21:50 UTCApr 14, 22:25 UTC35m

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 N641BC page for operator, model, and routing details .

Mode-S A8690E frequently asked

What is Mode-S code A8690E?
A8690E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N641BC.
Where is Mode-S A8690E registered?
Mode-S code A8690E 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 A8690E broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8690E, octal 52064416, decimal 11,036,942.
What flights does A8690E operate?
Mode-S A8690E has broadcast 14 distinct callsigns, including CSQ344, CSQ343, CSQ102, CSQ345, CSQ212.