Apparatus

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sensors Mode-S transponder

AC7AEB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N903GD · BRITTEN-NORMAN BN-2 Islander · operated by AIR CHARTER INC DBA, AIR FLAMENCO

Hex
AC7AEB
Octal
53075353
Decimal
11,303,659
Country
US
Tail
N903GD
Type
BN2P
No current signal · last broadcast Jul 25, 10:30 UTC
Flights observed
116
Distinct callsigns
1
Country
US
Last broadcast
Jul 25, 10:30 UTC

Last known position

Most recent position reported by Mode-S AC7AEB.

Country allocation

The ICAO 24-bit address AC7AEB 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
WAF903 - 116 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 WAF903 - Jul 25, 10:15 UTCJul 25, 10:30 UTC15m
2026-07-24 WAF903 - Jul 24, 10:15 UTCJul 24, 10:25 UTC10m
2026-07-23 WAF903 - Jul 23, 21:20 UTCJul 23, 21:30 UTC10m
2026-07-23 WAF903 - Jul 23, 18:00 UTCJul 23, 18:15 UTC15m
2026-07-23 WAF903 - Jul 23, 16:25 UTCJul 23, 16:35 UTC10m
2026-07-23 WAF903 - Jul 23, 10:15 UTCJul 23, 10:30 UTC15m
2026-07-22 WAF903 - Jul 22, 21:20 UTCJul 22, 21:30 UTC10m
2026-07-21 WAF903 - Jul 21, 21:35 UTCJul 21, 21:45 UTC10m
2026-07-21 WAF903 - Jul 21, 10:15 UTCJul 21, 10:25 UTC10m
2026-07-20 WAF903 - Jul 20, 16:35 UTCJul 20, 16:45 UTC10m
2026-07-20 WAF903 - Jul 20, 14:35 UTCJul 20, 14:55 UTC20m
2026-07-15 WAF903 - Jul 15, 21:10 UTCJul 15, 21:20 UTC10m
2026-07-09 WAF903 - Jul 9, 11:55 UTCJul 9, 12:20 UTC25m
2026-07-09 WAF903 - Jul 9, 10:25 UTCJul 9, 10:40 UTC15m
2026-07-08 WAF903 - Jul 8, 21:30 UTCJul 8, 21:40 UTC10m
2026-07-08 WAF903 - Jul 8, 10:20 UTCJul 8, 10:30 UTC10m
2026-07-07 WAF903 - Jul 7, 21:35 UTCJul 7, 21:45 UTC10m
2026-07-07 WAF903 - Jul 7, 16:15 UTCJul 7, 16:50 UTC35m
2026-07-07 WAF903 - Jul 7, 11:15 UTCJul 7, 11:25 UTC10m
2026-07-06 WAF903 - Jul 6, 20:20 UTCJul 6, 20:30 UTC10m
2026-07-06 WAF903 - Jul 6, 12:50 UTCJul 6, 13:00 UTC10m
2026-07-06 WAF903 - Jul 6, 10:25 UTCJul 6, 10:35 UTC10m
2026-07-03 WAF903 - Jul 3, 21:25 UTCJul 3, 21:35 UTC10m
2026-07-03 WAF903 - Jul 3, 10:45 UTCJul 3, 10:55 UTC10m
2026-07-02 WAF903 - Jul 2, 10:10 UTCJul 2, 10:20 UTC10m
2026-07-01 WAF903 - Jul 1, 21:25 UTCJul 1, 21:35 UTC10m
2026-07-01 WAF903 - Jul 1, 10:15 UTCJul 1, 10:25 UTC10m
2026-06-29 WAF903 - Jun 29, 21:34 UTCJun 29, 21:44 UTC10m
2026-06-25 WAF903 - Jun 25, 15:44 UTCJun 25, 15:59 UTC15m
2026-06-25 WAF903 - Jun 25, 13:55 UTCJun 25, 14:14 UTC20m
2026-06-24 WAF903 - Jun 24, 16:40 UTCJun 24, 16:50 UTC10m
2026-06-24 WAF903 - Jun 24, 14:34 UTCJun 24, 14:45 UTC10m
2026-06-11 WAF903 - Jun 11, 15:35 UTCJun 11, 15:45 UTC10m
2026-06-11 WAF903 - Jun 11, 13:15 UTCJun 11, 13:30 UTC15m
2026-06-10 WAF903 - Jun 10, 17:05 UTCJun 10, 17:35 UTC30m
2026-06-09 WAF903 - Jun 9, 14:50 UTCJun 9, 15:00 UTC10m
2026-06-09 WAF903 - Jun 9, 13:15 UTCJun 9, 13:35 UTC20m
2026-05-30 WAF903 - May 30, 17:10 UTCMay 30, 17:25 UTC15m
2026-05-30 WAF903 - May 30, 10:20 UTCMay 30, 10:30 UTC10m
2026-05-29 WAF903 - May 29, 21:15 UTCMay 29, 21:25 UTC10m
2026-05-29 WAF903 - May 29, 10:10 UTCMay 29, 10:20 UTC10m
2026-05-28 WAF903 - May 28, 21:05 UTCMay 28, 21:15 UTC10m
2026-05-27 WAF903 - May 27, 21:15 UTCMay 27, 21:25 UTC10m
2026-05-26 WAF903 - May 26, 17:25 UTCMay 26, 17:35 UTC10m
2026-05-26 WAF903 - May 26, 16:35 UTCMay 26, 16:45 UTC10m
2026-05-26 WAF903 - May 26, 14:45 UTCMay 26, 15:00 UTC15m
2026-05-26 WAF903 - May 26, 13:15 UTCMay 26, 13:29 UTC15m
2026-05-22 WAF903 - May 22, 17:15 UTCMay 22, 17:30 UTC15m
2026-05-22 WAF903 - May 22, 14:25 UTCMay 22, 14:45 UTC20m
2026-05-22 WAF903 - May 22, 12:50 UTCMay 22, 13:00 UTC10m

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 N903GD page for operator, model, and routing details .

Mode-S AC7AEB frequently asked

What is Mode-S code AC7AEB?
AC7AEB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N903GD.
Where is Mode-S AC7AEB registered?
Mode-S code AC7AEB 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 AC7AEB broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 10:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC7AEB, octal 53075353, decimal 11,303,659.
What flights does AC7AEB operate?
Mode-S AC7AEB has broadcast 1 distinct callsign, including WAF903.