Apparatus

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sensors Mode-S transponder

AC7E1C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N904AV · operated by UMB BANK NA TRUSTEE

Hex
AC7E1C
Octal
53077034
Decimal
11,304,476
Country
US
Tail
N904AV
Type
A20N
No current signal · last broadcast 8h ago
Flights observed
298
Distinct callsigns
20
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S AC7E1C.

Country allocation

The ICAO 24-bit address AC7E1C 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
TAI568 - 12 2026-07-17
LRC641 LACSA 12 2026-06-17
TAI562 - 11 2026-07-15
LRC640 LACSA 11 2026-06-16
TAI563 - 10 2026-07-15
TAI561 - 10 2026-07-14
TAI560 - 10 2026-07-13
TAI552 - 10 2026-07-16
LRC651 - 10 2026-07-04
TAI553 - 9 2026-07-16
TAI569 - 8 2026-07-17
LRC650 - 8 2026-07-04
LRC605 LACSA 6 2026-05-29
LRC604 LACSA 6 2026-05-23
TAI431 Avianca El Salvador 5 2026-06-05
TAI368 - 5 2026-07-06
TAI591 Avianca El Salvador 4 2026-06-06
TAI523 Avianca El Salvador 4 2026-06-17
TAI522 - 4 2026-06-17
TAI521 - 4 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 TAI569 - Jul 17, 11:04 UTCJul 17, 15:05 UTC4h 0m
2026-07-17 TAI568 - Jul 17, 05:35 UTCJul 17, 09:20 UTC3h 45m
2026-07-17 TAI568 - Jul 17, 02:05 UTCJul 17, 05:30 UTC3h 25m
2026-07-17 TAI313 - Jul 17, 00:25 UTCJul 17, 00:55 UTC30m
2026-07-16 TAI553 - Jul 16, 21:30 UTCJul 16, 21:45 UTC15m
2026-07-16 TAI553 SFO → GUA Jul 16, 15:00 UTCJul 16, 20:09 UTC5h 10m
2026-07-16 TAI552 - Jul 16, 08:00 UTCJul 16, 12:30 UTC4h 30m
2026-07-16 TAI552 - Jul 16, 07:20 UTCJul 16, 07:30 UTC10m
2026-07-16 TAI552 - Jul 16, 05:30 UTCJul 16, 05:50 UTC20m
2026-07-15 TAI563 - Jul 15, 22:05 UTCJul 16, 03:10 UTC5h 5m
2026-07-15 TAI562 - Jul 15, 14:05 UTCJul 15, 19:25 UTC5h 20m
2026-07-15 TAI579 - Jul 15, 11:25 UTCJul 15, 11:40 UTC15m
2026-07-15 TAI556 - Jul 15, 05:30 UTCJul 15, 05:55 UTC25m
2026-07-14 TAI585 - Jul 14, 23:45 UTCJul 15, 03:20 UTC3h 35m
2026-07-14 TAI584 - Jul 14, 18:00 UTCJul 14, 21:55 UTC3h 55m
2026-07-14 TAI561 - Jul 14, 07:20 UTCJul 14, 12:30 UTC5h 10m
2026-07-13 TAI560 - Jul 13, 23:55 UTCJul 14, 05:20 UTC5h 25m
2026-07-13 TAI561 - Jul 13, 07:30 UTCJul 13, 12:45 UTC5h 15m
2026-07-13 TAI560 - Jul 13, 00:01 UTCJul 13, 05:05 UTC5h 5m
2026-07-12 TAI397 - Jul 12, 18:15 UTCJul 12, 20:05 UTC1h 50m
2026-07-12 TAI310 - Jul 12, 14:35 UTCJul 12, 16:25 UTC1h 50m
2026-07-12 TAI561 - Jul 12, 07:25 UTCJul 12, 12:40 UTC5h 15m
2026-07-11 TAI560 - Jul 11, 23:45 UTCJul 12, 04:55 UTC5h 10m
2026-07-11 TAI553 - Jul 11, 21:35 UTCJul 11, 21:50 UTC15m
2026-07-11 TAI553 SFO → GUA Jul 11, 15:00 UTCJul 11, 20:15 UTC5h 15m
2026-07-11 TAI552 - Jul 11, 07:20 UTCJul 11, 12:30 UTC5h 10m
2026-07-11 TAI552 - Jul 11, 05:31 UTCJul 11, 05:50 UTC20m
2026-07-10 TAI583 - Jul 10, 21:35 UTCJul 11, 01:15 UTC3h 40m
2026-07-10 TAI582 - Jul 10, 15:50 UTCJul 10, 19:45 UTC3h 55m
2026-07-10 TAI327 - Jul 10, 06:05 UTCJul 10, 10:05 UTC4h 0m
2026-07-09 TAI326 - Jul 9, 23:40 UTCJul 10, 04:00 UTC4h 20m
2026-07-09 TAI451 - Jul 9, 10:35 UTCJul 9, 11:05 UTC30m
2026-07-09 TAI450 - Jul 9, 01:50 UTCJul 9, 03:45 UTC1h 55m
2026-07-08 TAI311 - Jul 8, 20:05 UTCJul 8, 22:05 UTC2h 0m
2026-07-08 TAI396 - Jul 8, 15:50 UTCJul 8, 17:40 UTC1h 50m
2026-07-07 TAI527 - Jul 7, 22:05 UTCJul 8, 02:30 UTC4h 25m
2026-07-07 TAI526 - Jul 7, 15:25 UTCJul 7, 20:00 UTC4h 35m
2026-07-07 TAI327 - Jul 7, 06:05 UTCJul 7, 10:30 UTC4h 25m
2026-07-06 TAI326 - Jul 6, 23:50 UTCJul 7, 04:05 UTC4h 15m
2026-07-06 TAI367 - Jul 6, 19:10 UTCJul 6, 21:30 UTC2h 20m
2026-07-06 TAI368 - Jul 6, 14:20 UTCJul 6, 16:50 UTC2h 30m
2026-07-06 TAI561 - Jul 6, 07:35 UTCJul 6, 12:30 UTC4h 55m
2026-07-05 TAI560 - Jul 5, 23:55 UTCJul 6, 05:20 UTC5h 25m
2026-07-05 TAI367 - Jul 5, 18:55 UTCJul 5, 21:05 UTC2h 10m
2026-07-05 TAI368 - Jul 5, 14:20 UTCJul 5, 16:50 UTC2h 30m
2026-07-05 LRC661 - Jul 5, 07:10 UTCJul 5, 11:10 UTC4h 0m
2026-07-05 LRC660 - Jul 5, 00:45 UTCJul 5, 05:20 UTC4h 35m
2026-07-04 LRC651 - Jul 4, 21:00 UTCJul 4, 22:00 UTC1h 0m
2026-07-04 LRC650 - Jul 4, 18:10 UTCJul 4, 19:35 UTC1h 25m
2026-07-03 LRC655 - Jul 3, 13:00 UTCJul 3, 13:30 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 N904AV page for operator, model, and routing details .

Mode-S AC7E1C frequently asked

What is Mode-S code AC7E1C?
AC7E1C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N904AV.
Where is Mode-S AC7E1C registered?
Mode-S code AC7E1C 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 AC7E1C broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC7E1C, octal 53077034, decimal 11,304,476.
What flights does AC7E1C operate?
Mode-S AC7E1C has broadcast 20 distinct callsigns, including TAI568, LRC641, TAI562, LRC640, TAI563.