Apparatus

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sensors Mode-S transponder

ACE97C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N931BC · operated by BANK OF UTAH TRUSTEE

Hex
ACE97C
Octal
53164574
Decimal
11,331,964
Country
US
Tail
N931BC
Type
SF34
No current signal · last broadcast 4h ago
Flights observed
57
Distinct callsigns
18
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S ACE97C.

Country allocation

The ICAO 24-bit address ACE97C 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 18 distinct

Callsign Airline Flights Last seen
CSQ211 IBC Airways 9 2026-05-29
CSQ212 IBC Airways 8 2026-05-29
CSQ834 IBC Airways 5 2026-05-25
CSQ833 IBC Airways 5 2026-05-25
CSQ814 IBC Airways 3 2026-05-22
CSQ813 IBC Airways 3 2026-05-22
CSQ705 IBC Airways 3 2026-05-26
CSQ344 IBC Airways 3 2026-05-05
CSQ343 IBC Airways 3 2026-05-05
CSQ931 - 2 2026-05-21
CSQ812 IBC Airways 2 2026-05-09
CSQ811 IBC Airways 2 2026-05-09
CSQ706 IBC Airways 2 2026-05-15
CSQ104 IBC Airways 2 2026-05-22
CSQ103 IBC Airways 2 2026-05-22
CSQ7060 - 1 2026-05-26
CSQ102 IBC Airways 1 2026-05-05
CSQ101 IBC Airways 1 2026-05-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 CSQ212 GCM → MIA May 29, 23:20 UTCMay 30, 00:00 UTC40m
2026-05-29 CSQ211 MIA → GCM May 29, 15:55 UTCMay 29, 16:30 UTC35m
2026-05-27 CSQ212 GCM → MIA May 27, 23:35 UTCMay 28, 00:05 UTC30m
2026-05-27 CSQ211 MIA → GCM May 27, 15:40 UTCMay 27, 16:20 UTC40m
2026-05-26 CSQ7060 - May 26, 17:59 UTCMay 26, 18:40 UTC40m
2026-05-26 CSQ705 MIA → CYA May 26, 12:40 UTCMay 26, 13:10 UTC30m
2026-05-25 CSQ834 CFG → MIA May 25, 15:55 UTCMay 25, 16:25 UTC30m
2026-05-25 CSQ833 MIA → CFG May 25, 13:20 UTCMay 25, 14:00 UTC40m
2026-05-22 CSQ104 FPO → MIA May 22, 19:35 UTCMay 22, 20:05 UTC30m
2026-05-22 CSQ103 MIA → FPO May 22, 17:40 UTCMay 22, 17:55 UTC15m
2026-05-22 CSQ814 CMW → MIA May 22, 15:50 UTCMay 22, 16:20 UTC30m
2026-05-22 CSQ813 MIA → CMW May 22, 12:50 UTCMay 22, 13:35 UTC45m
2026-05-21 CSQ931 - May 21, 16:45 UTCMay 21, 16:55 UTC10m
2026-05-15 CSQ706 CYA → MIA May 15, 19:20 UTCMay 15, 19:55 UTC35m
2026-05-11 CSQ705 MIA → CYA May 11, 13:25 UTCMay 11, 14:10 UTC45m
2026-05-09 CSQ812 SNU → MIA May 9, 19:30 UTCMay 9, 20:00 UTC30m
2026-05-09 CSQ811 MIA → SNU May 9, 17:00 UTCMay 9, 17:35 UTC35m
2026-05-09 CSQ834 CFG → MIA May 9, 14:45 UTCMay 9, 15:15 UTC30m
2026-05-09 CSQ833 MIA → CFG May 9, 12:15 UTCMay 9, 12:55 UTC40m
2026-05-08 CSQ812 SNU → MIA May 8, 18:45 UTCMay 8, 19:10 UTC25m
2026-05-08 CSQ811 MIA → SNU May 8, 16:10 UTCMay 8, 16:50 UTC40m
2026-05-08 CSQ834 CFG → MIA May 8, 14:00 UTCMay 8, 14:40 UTC40m
2026-05-08 CSQ833 MIA → CFG May 8, 11:30 UTCMay 8, 12:04 UTC35m
2026-05-07 CSQ212 GCM → MIA May 7, 23:39 UTCMay 8, 00:09 UTC30m
2026-05-07 CSQ211 MIA → GCM May 7, 15:25 UTCMay 7, 16:10 UTC45m
2026-05-06 CSQ834 CFG → MIA May 6, 13:55 UTCMay 6, 14:30 UTC35m
2026-05-06 CSQ833 MIA → CFG May 6, 11:15 UTCMay 6, 12:01 UTC45m
2026-05-05 CSQ344 PLS → MIA May 5, 21:30 UTCMay 5, 22:01 UTC30m
2026-05-05 CSQ343 MIA → PLS May 5, 15:40 UTCMay 5, 16:10 UTC30m
2026-05-05 CSQ102 NAS → MIA May 5, 00:05 UTCMay 5, 00:40 UTC35m
2026-05-04 CSQ101 MIA → NAS May 4, 14:45 UTCMay 4, 15:10 UTC25m
2026-05-02 CSQ814 CMW → MIA May 2, 18:25 UTCMay 2, 18:40 UTC15m
2026-05-02 CSQ813 MIA → CMW May 2, 15:20 UTCMay 2, 15:50 UTC30m
2026-05-01 CSQ706 CYA → MIA May 1, 21:50 UTCMay 1, 22:10 UTC20m
2026-04-27 CSQ705 MIA → CYA Apr 27, 14:00 UTCApr 27, 14:25 UTC25m
2026-04-25 CSQ834 CFG → MIA Apr 25, 14:25 UTCApr 25, 15:00 UTC35m
2026-04-25 CSQ833 MIA → CFG Apr 25, 12:00 UTCApr 25, 12:25 UTC25m
2026-04-24 CSQ344 PLS → MIA Apr 24, 21:40 UTCApr 24, 22:00 UTC20m
2026-04-24 CSQ343 MIA → PLS Apr 24, 15:15 UTCApr 24, 15:40 UTC25m
2026-04-24 CSQ212 GCM → MIA Apr 24, 00:05 UTCApr 24, 00:30 UTC25m
2026-04-23 CSQ211 MIA → GCM Apr 23, 16:05 UTCApr 23, 16:30 UTC25m
2026-04-23 CSQ212 GCM → MIA Apr 23, 00:05 UTCApr 23, 00:35 UTC30m
2026-04-22 CSQ211 MIA → GCM Apr 22, 15:40 UTCApr 22, 16:10 UTC30m
2026-04-21 CSQ212 GCM → MIA Apr 21, 23:40 UTCApr 22, 00:20 UTC40m
2026-04-21 CSQ211 MIA → GCM Apr 21, 15:40 UTCApr 21, 16:20 UTC40m
2026-04-20 CSQ104 FPO → MIA Apr 20, 20:30 UTCApr 20, 21:20 UTC50m
2026-04-20 CSQ103 MIA → FPO Apr 20, 19:10 UTCApr 20, 19:30 UTC20m
2026-04-20 CSQ931 - Apr 20, 12:35 UTCApr 20, 13:15 UTC40m
2026-04-17 CSQ814 - Apr 17, 15:35 UTCApr 17, 16:10 UTC35m
2026-04-17 CSQ813 - Apr 17, 12:30 UTCApr 17, 13:10 UTC40m

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 N931BC page for operator, model, and routing details .

Mode-S ACE97C frequently asked

What is Mode-S code ACE97C?
ACE97C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N931BC.
Where is Mode-S ACE97C registered?
Mode-S code ACE97C 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 ACE97C broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACE97C, octal 53164574, decimal 11,331,964.
What flights does ACE97C operate?
Mode-S ACE97C has broadcast 18 distinct callsigns, including CSQ211, CSQ212, CSQ834, CSQ833, CSQ814.