Apparatus

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sensors Mode-S transponder

ACB4FD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N918GD · SHORT 360 · operated by AIR CHARTER INC DBA, AIR FLAMENCO

Hex
ACB4FD
Octal
53132375
Decimal
11,318,525
Country
US
Tail
N918GD
Type
SH36
No current signal · last broadcast Jul 24, 21:00 UTC
Flights observed
89
Distinct callsigns
14
Country
US
Last broadcast
Jul 24, 21:00 UTC

Last known position

Most recent position reported by Mode-S ACB4FD.

Country allocation

The ICAO 24-bit address ACB4FD 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
WAF7101 Flamenco Airways 14 2026-07-24
WAF8101 Flamenco Airways 12 2026-07-24
WAF2203 Flamenco Airways 11 2026-07-21
WAF2201 Flamenco Airways 11 2026-07-21
WAF2202 Flamenco Airways 10 2026-07-21
WAF2200 Flamenco Airways 10 2026-07-21
WAF2204 Flamenco Airways 7 2026-07-22
WAF2207 - 6 2026-07-22
WAF9182 - 2 2026-07-03
WAF9181 - 2 2026-07-03
WAF408 - 1 2026-07-08
WAF407 - 1 2026-07-08
BEZ962 - 1 2026-07-22
BEZ961 - 1 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 WAF7101 SXM → SJU Jul 24, 20:40 UTCJul 24, 21:00 UTC20m
2026-07-24 WAF8101 SJU → SXM Jul 24, 15:15 UTCJul 24, 15:35 UTC20m
2026-07-23 WAF7101 SXM → SJU Jul 23, 20:45 UTCJul 23, 21:05 UTC20m
2026-07-23 WAF8101 - Jul 23, 15:05 UTCJul 23, 15:25 UTC20m
2026-07-22 BEZ962 - Jul 22, 23:15 UTCJul 22, 23:30 UTC15m
2026-07-22 BEZ961 - Jul 22, 17:35 UTCJul 22, 17:45 UTC10m
2026-07-22 WAF2204 EIS → SJU Jul 22, 15:25 UTCJul 22, 15:40 UTC15m
2026-07-22 WAF2207 - Jul 22, 13:15 UTCJul 22, 13:30 UTC15m
2026-07-21 WAF2200 STT → SJU Jul 21, 18:45 UTCJul 21, 18:55 UTC10m
2026-07-21 WAF2201 SJU → STT Jul 21, 16:55 UTCJul 21, 17:05 UTC10m
2026-07-21 WAF2202 STX → SJU Jul 21, 15:00 UTCJul 21, 15:15 UTC15m
2026-07-21 WAF2203 SJU → STX Jul 21, 13:20 UTCJul 21, 13:30 UTC10m
2026-07-20 WAF7101 - Jul 20, 20:40 UTCJul 20, 21:00 UTC20m
2026-07-20 WAF8101 - Jul 20, 15:05 UTCJul 20, 15:20 UTC15m
2026-07-17 WAF7101 - Jul 17, 20:44 UTCJul 17, 21:05 UTC20m
2026-07-17 WAF8101 - Jul 17, 15:20 UTCJul 17, 15:40 UTC20m
2026-07-09 WAF2200 - Jul 9, 20:00 UTCJul 9, 20:15 UTC15m
2026-07-09 WAF2201 - Jul 9, 18:40 UTCJul 9, 18:55 UTC15m
2026-07-09 WAF2202 - Jul 9, 16:30 UTCJul 9, 16:40 UTC10m
2026-07-09 WAF2203 - Jul 9, 14:15 UTCJul 9, 14:30 UTC15m
2026-07-08 WAF408 - Jul 8, 23:15 UTCJul 8, 23:40 UTC25m
2026-07-08 WAF407 - Jul 8, 17:50 UTCJul 8, 18:05 UTC15m
2026-07-07 WAF7101 - Jul 7, 20:50 UTCJul 7, 21:25 UTC35m
2026-07-07 WAF8101 - Jul 7, 15:10 UTCJul 7, 15:30 UTC20m
2026-07-06 WAF7101 - Jul 6, 21:15 UTCJul 6, 21:35 UTC20m
2026-07-06 WAF8101 - Jul 6, 15:10 UTCJul 6, 15:30 UTC20m
2026-07-03 WAF9182 - Jul 3, 16:15 UTCJul 3, 16:45 UTC30m
2026-07-03 WAF9181 - Jul 3, 13:15 UTCJul 3, 13:35 UTC20m
2026-07-02 WAF2200 - Jul 2, 19:20 UTCJul 2, 19:40 UTC20m
2026-07-02 WAF2201 - Jul 2, 17:25 UTCJul 2, 17:35 UTC10m
2026-07-02 WAF2202 - Jul 2, 14:05 UTCJul 2, 14:20 UTC15m
2026-07-02 WAF2203 - Jul 2, 12:40 UTCJul 2, 12:50 UTC10m
2026-07-01 WAF2204 EIS → SJU Jul 1, 14:50 UTCJul 1, 15:00 UTC10m
2026-07-01 WAF2207 - Jul 1, 13:10 UTCJul 1, 13:25 UTC15m
2026-06-25 WAF7101 - Jun 25, 20:39 UTCJun 25, 20:49 UTC10m
2026-06-25 WAF8101 - Jun 25, 15:15 UTCJun 25, 15:40 UTC25m
2026-06-24 WAF7101 - Jun 24, 20:35 UTCJun 24, 21:04 UTC30m
2026-06-24 WAF7101 - Jun 24, 15:00 UTCJun 24, 15:14 UTC15m
2026-06-23 WAF2202 STX → SJU Jun 23, 19:55 UTCJun 23, 20:15 UTC20m
2026-06-23 WAF2203 SJU → STX Jun 23, 18:14 UTCJun 23, 18:29 UTC15m
2026-06-23 WAF2201 SJU → STT Jun 23, 16:05 UTCJun 23, 16:20 UTC15m
2026-06-23 WAF2201 SJU → STT Jun 23, 13:59 UTCJun 23, 14:10 UTC10m
2026-06-17 WAF9182 - Jun 17, 22:25 UTCJun 17, 22:40 UTC15m
2026-06-17 WAF9181 - Jun 17, 17:45 UTCJun 17, 18:00 UTC15m
2026-06-16 WAF2200 STT → SJU Jun 16, 18:20 UTCJun 16, 18:50 UTC30m
2026-06-16 WAF2201 SJU → STT Jun 16, 16:39 UTCJun 16, 16:50 UTC10m
2026-06-16 WAF2202 STX → SJU Jun 16, 14:50 UTCJun 16, 15:05 UTC15m
2026-06-16 WAF2203 SJU → STX Jun 16, 13:30 UTCJun 16, 13:40 UTC10m
2026-06-03 WAF2204 EIS → SJU Jun 3, 14:30 UTCJun 3, 14:50 UTC20m
2026-06-03 WAF2207 SJU → EIS Jun 3, 12:50 UTCJun 3, 13:10 UTC20m

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 N918GD page for operator, model, and routing details .

Mode-S ACB4FD frequently asked

What is Mode-S code ACB4FD?
ACB4FD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N918GD.
Where is Mode-S ACB4FD registered?
Mode-S code ACB4FD 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 ACB4FD broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 21:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACB4FD, octal 53132375, decimal 11,318,525.
What flights does ACB4FD operate?
Mode-S ACB4FD has broadcast 14 distinct callsigns, including WAF7101, WAF8101, WAF2203, WAF2201, WAF2202.