Apparatus

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sensors Mode-S transponder

A9C158

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N728AV · AIRBUS A-320 · operated by BANK OF UTAH TRUSTEE

Hex
A9C158
Octal
52340530
Decimal
11,125,080
Country
US
Tail
N728AV
Type
A320
No current signal · last broadcast 3h ago
Flights observed
199
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A9C158.

Country allocation

The ICAO 24-bit address A9C158 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 20 distinct

Callsign Airline Flights Last seen
AVR4836 Avianca Express 8 2026-06-09
AVR4831 Avianca Express 6 2026-06-07
AVR4814 - 6 2026-06-08
AVR5216 Avianca Express 5 2026-06-09
AVR4879 Avianca Express 5 2026-06-08
AVR4878 Avianca Express 5 2026-06-08
AVR4875 Avianca Express 5 2026-06-09
AVR4847 Avianca Express 5 2026-06-07
AVR4846 Avianca Express 5 2026-06-07
AVR4823 Avianca Express 5 2026-06-08
AVR4813 Avianca Express 5 2026-06-08
AVR4804 Avianca Express 5 2026-05-31
AVA045 Avianca - Aerovias Nacionales de Colombia, S.A. 5 2026-06-05
AVR5238 - 4 2026-05-28
AVR4872 - 4 2026-06-09
AVR4837 Avianca Express 4 2026-05-30
AVR4832 Avianca Express 4 2026-06-07
AVR4822 Avianca Express 4 2026-06-08
AVR4805 Avianca Express 4 2026-06-01
AVA069 Avianca - Aerovias Nacionales de Colombia, S.A. 4 2026-06-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-09 AVR4836 PPN → BOG Jun 9, 18:10 UTCJun 9, 18:20 UTC10m
2026-06-09 AVR4872 - Jun 9, 14:35 UTCJun 9, 14:55 UTC20m
2026-06-09 AVR4875 BGA → BOG Jun 9, 12:50 UTCJun 9, 13:05 UTC15m
2026-06-09 AVR5216 BOG → BGA Jun 9, 10:40 UTCJun 9, 10:55 UTC15m
2026-06-08 AVA8472 BOG → CTG Jun 8, 23:45 UTCJun 9, 02:55 UTC3h 10m
2026-06-08 AVR5204 BOG → IPI Jun 8, 19:35 UTCJun 8, 19:55 UTC20m
2026-06-08 AVR5246 BOG → PEI Jun 8, 18:00 UTCJun 8, 18:15 UTC15m
2026-06-08 AVR4813 BGA → BOG Jun 8, 16:25 UTCJun 8, 16:35 UTC10m
2026-06-08 AVR4814 - Jun 8, 14:35 UTCJun 8, 14:50 UTC15m
2026-06-08 AVR4878 EYP → BOG Jun 8, 13:00 UTCJun 8, 13:15 UTC15m
2026-06-08 AVR4879 BOG → EYP Jun 8, 11:10 UTCJun 8, 11:20 UTC10m
2026-06-08 AVR4823 SMR → BOG Jun 8, 03:20 UTCJun 8, 03:35 UTC15m
2026-06-08 AVR4822 BOG → SMR Jun 8, 00:10 UTCJun 8, 00:25 UTC15m
2026-06-07 AVR4846 PEI → BOG Jun 7, 22:20 UTCJun 7, 22:40 UTC20m
2026-06-07 AVR4847 BOG → PEI Jun 7, 20:10 UTCJun 7, 20:20 UTC10m
2026-06-07 AVR4831 SMR → BOG Jun 7, 18:35 UTCJun 7, 18:55 UTC20m
2026-06-07 AVR4832 BOG → SMR Jun 7, 15:50 UTCJun 7, 16:05 UTC15m
2026-06-07 AVA9544 CLO → BOG Jun 7, 11:35 UTCJun 7, 11:55 UTC20m
2026-06-07 AVA8469 BOG → CLO Jun 7, 04:05 UTCJun 7, 04:20 UTC15m
2026-06-07 AVA9272 MTR → BOG Jun 7, 02:25 UTCJun 7, 02:45 UTC20m
2026-06-06 AVA8508 BOG → MTR Jun 6, 23:55 UTCJun 7, 00:14 UTC20m
2026-06-06 AVA9529 BAQ → BOG Jun 6, 22:00 UTCJun 6, 22:20 UTC20m
2026-06-06 AVA9512 BOG → BAQ Jun 6, 18:50 UTCJun 6, 19:10 UTC20m
2026-06-06 AVA9797 CTG → BOG Jun 6, 16:55 UTCJun 6, 17:19 UTC25m
2026-06-06 AVA9530 BOG → CTG Jun 6, 13:39 UTCJun 6, 13:54 UTC15m
2026-06-06 AVA8447 BGA → BOG Jun 6, 12:14 UTCJun 6, 12:30 UTC15m
2026-06-06 AVA9480 BOG → BGA Jun 6, 03:00 UTCJun 6, 03:10 UTC10m
2026-06-06 AVA069 CUN → BOG Jun 6, 00:35 UTCJun 6, 00:50 UTC15m
2026-06-05 AVA069 CUN → BOG Jun 5, 22:05 UTCJun 5, 23:30 UTC1h 25m
2026-06-05 AVA068 BOG → CUN Jun 5, 17:35 UTCJun 5, 20:35 UTC3h 0m
2026-06-05 AVA045 MEX → BOG Jun 5, 14:50 UTCJun 5, 15:00 UTC10m
2026-06-05 AVA045 MEX → BOG Jun 5, 11:05 UTCJun 5, 13:30 UTC2h 25m
2026-06-05 AVA044 BOG → MEX Jun 5, 07:30 UTCJun 5, 09:15 UTC1h 45m
2026-06-05 AVA9237 CTG → MDE Jun 5, 02:25 UTCJun 5, 02:45 UTC20m
2026-06-04 AVA059 PTY → BOG Jun 4, 16:05 UTCJun 4, 16:30 UTC25m
2026-06-04 AVA058 BOG → PTY Jun 4, 12:40 UTCJun 4, 13:00 UTC20m
2026-06-04 AVA075 BOG → LIM Jun 4, 06:10 UTCJun 4, 06:25 UTC15m
2026-06-04 AVA075 BOG → LIM Jun 4, 04:15 UTCJun 4, 04:20 UTC5m
2026-06-04 AVA057 PTY → BOG Jun 4, 00:15 UTCJun 4, 00:25 UTC10m
2026-06-03 AVA060 BOG → PTY Jun 3, 20:40 UTCJun 3, 20:50 UTC10m
2026-06-03 AVR4814 - Jun 3, 16:20 UTCJun 3, 16:35 UTC15m
2026-06-03 AVR4878 EYP → BOG Jun 3, 13:00 UTCJun 3, 13:25 UTC25m
2026-06-03 AVR4879 BOG → EYP Jun 3, 11:20 UTCJun 3, 11:30 UTC10m
2026-06-03 AVR4823 SMR → BOG Jun 3, 03:10 UTCJun 3, 03:25 UTC15m
2026-06-03 AVR4822 BOG → SMR Jun 3, 00:10 UTCJun 3, 00:35 UTC25m
2026-06-02 AVR4846 PEI → BOG Jun 2, 22:25 UTCJun 2, 22:40 UTC15m
2026-06-02 AVR4831 SMR → BOG Jun 2, 18:05 UTCJun 2, 18:25 UTC20m
2026-06-02 AVR5233 CUC → BOG Jun 2, 01:50 UTCJun 2, 04:20 UTC2h 30m
2026-06-01 AVR4836 PPN → BOG Jun 1, 18:05 UTCJun 1, 21:15 UTC3h 10m
2026-06-01 AVR4871 - Jun 1, 14:15 UTCJun 1, 16:50 UTC2h 35m

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 N728AV page for operator, model, and routing details .

Mode-S A9C158 frequently asked

What is Mode-S code A9C158?
A9C158 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N728AV.
Where is Mode-S A9C158 registered?
Mode-S code A9C158 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 A9C158 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9C158, octal 52340530, decimal 11,125,080.
What flights does A9C158 operate?
Mode-S A9C158 has broadcast 20 distinct callsigns, including AVR4836, AVR4831, AVR4814, AVR5216, AVR4879.