Apparatus

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sensors Mode-S transponder

ACE4BA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N93QM · operated by AIRPLANE FACTORY INC

Hex
ACE4BA
Octal
53162272
Decimal
11,330,746
Country
US
Tail
N93QM
Type
SLG4
No current signal · last broadcast 25d ago
Flights observed
140
Distinct callsigns
1
Country
US
Last broadcast
25d ago

Last known position

Most recent position reported by Mode-S ACE4BA.

Country allocation

The ICAO 24-bit address ACE4BA 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
N93QM - 140 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-23 N93QM TOA → SMO Jun 23, 02:24 UTCJun 23, 02:40 UTC15m
2026-06-22 N93QM - Jun 22, 23:39 UTCJun 23, 00:24 UTC45m
2026-06-22 N93QM TOA → TOA Jun 22, 20:39 UTCJun 22, 22:44 UTC2h 5m
2026-06-22 N93QM TOA → TOA Jun 22, 16:10 UTCJun 22, 16:20 UTC10m
2026-06-19 N93QM TOA → TOA Jun 19, 18:49 UTCJun 19, 19:45 UTC55m
2026-06-18 N93QM TOA → TOA Jun 18, 22:50 UTCJun 18, 23:30 UTC40m
2026-06-18 N93QM TOA → TOA Jun 18, 20:55 UTCJun 18, 21:50 UTC55m
2026-06-18 N93QM TOA → TOA Jun 18, 18:25 UTCJun 18, 19:40 UTC1h 15m
2026-06-17 N93QM TOA → TOA Jun 17, 22:40 UTCJun 17, 23:50 UTC1h 10m
2026-06-17 N93QM - Jun 17, 20:45 UTCJun 17, 21:50 UTC1h 5m
2026-06-17 N93QM TOA → TOA Jun 17, 18:50 UTCJun 17, 19:35 UTC45m
2026-06-16 N93QM SMO → TOA Jun 16, 01:25 UTCJun 16, 01:45 UTC20m
2026-06-10 N93QM SMO → SMO Jun 10, 18:05 UTCJun 10, 18:40 UTC35m
2026-06-09 N93QM - Jun 9, 19:15 UTCJun 9, 20:20 UTC1h 5m
2026-06-09 N93QM - Jun 9, 17:25 UTCJun 9, 18:35 UTC1h 10m
2026-06-09 N93QM - Jun 9, 14:40 UTCJun 9, 15:50 UTC1h 10m
2026-06-09 N93QM - Jun 9, 00:15 UTCJun 9, 00:50 UTC35m
2026-06-08 N93QM - Jun 8, 23:55 UTCJun 9, 00:10 UTC15m
2026-06-08 N93QM SMO → SMO Jun 8, 20:45 UTCJun 8, 22:30 UTC1h 45m
2026-06-08 N93QM SMO → SMO Jun 8, 18:40 UTCJun 8, 19:55 UTC1h 15m
2026-06-07 N93QM SMO → SMO Jun 7, 00:55 UTCJun 7, 01:04 UTC10m
2026-06-06 N93QM SMO → SMO Jun 6, 22:55 UTCJun 7, 00:49 UTC1h 55m
2026-06-04 N93QM SMO → SMO Jun 4, 22:40 UTCJun 4, 23:55 UTC1h 15m
2026-06-04 N93QM SMO → SMO Jun 4, 21:30 UTCJun 4, 21:40 UTC10m
2026-06-04 N93QM SMO → SMO Jun 4, 21:00 UTCJun 4, 21:25 UTC25m
2026-06-04 N93QM SMO → SMO Jun 4, 20:40 UTCJun 4, 20:50 UTC10m
2026-06-03 N93QM SMO → SMO Jun 3, 22:45 UTCJun 4, 00:25 UTC1h 40m
2026-06-03 N93QM SMO → SMO Jun 3, 19:25 UTCJun 3, 21:40 UTC2h 15m
2026-06-03 N93QM TOA → SMO Jun 3, 00:35 UTCJun 3, 00:55 UTC20m
2026-06-02 N93QM - Jun 2, 23:15 UTCJun 2, 23:30 UTC15m
2026-06-01 N93QM SMO → SMO Jun 1, 21:35 UTCJun 1, 22:40 UTC1h 5m
2026-06-01 N93QM SMO → SMO Jun 1, 19:35 UTCJun 1, 20:40 UTC1h 5m
2026-06-01 N93QM SMO → SMO Jun 1, 17:40 UTCJun 1, 18:25 UTC45m
2026-05-30 N93QM SCK → SBP May 30, 23:05 UTCMay 31, 00:55 UTC1h 50m
2026-05-30 N93QM SMO → SCK May 30, 16:45 UTCMay 30, 20:25 UTC3h 40m
2026-05-30 N93QM - May 30, 04:45 UTCMay 30, 05:35 UTC50m
2026-05-30 N93QM - May 30, 03:40 UTCMay 30, 04:35 UTC55m
2026-05-29 N93QM SMO → SMO May 29, 22:40 UTCMay 30, 00:25 UTC1h 45m
2026-05-29 N93QM - May 29, 16:55 UTCMay 29, 17:50 UTC55m
2026-05-29 N93QM SMO → SMO May 29, 04:25 UTCMay 29, 04:30 UTC5m
2026-05-29 N93QM SMO → SMO May 29, 03:55 UTCMay 29, 04:00 UTC5m
2026-05-28 N93QM SMO → SMO May 28, 23:30 UTCMay 29, 00:45 UTC1h 15m
2026-05-28 N93QM SMO → SMO May 28, 21:10 UTCMay 28, 22:30 UTC1h 20m
2026-05-28 N93QM SMO → SMO May 28, 18:50 UTCMay 28, 19:45 UTC55m
2026-05-28 N93QM SMO → SMO May 28, 17:45 UTCMay 28, 17:55 UTC10m
2026-05-28 N93QM SMO → SMO May 28, 17:30 UTCMay 28, 17:35 UTC5m
2026-05-28 N93QM SMO → SMO May 28, 17:15 UTCMay 28, 17:20 UTC5m
2026-05-27 N93QM SMO → SMO May 27, 21:20 UTCMay 27, 22:35 UTC1h 15m
2026-05-27 N93QM SMO → SMO May 27, 18:55 UTCMay 27, 20:20 UTC1h 25m
2026-05-27 N93QM SMO → SMO May 27, 17:05 UTCMay 27, 17:55 UTC50m

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 N93QM page for operator, model, and routing details .

Mode-S ACE4BA frequently asked

What is Mode-S code ACE4BA?
ACE4BA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N93QM.
Where is Mode-S ACE4BA registered?
Mode-S code ACE4BA 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 ACE4BA broadcasting right now?
No active broadcast right now. Last signal was 25d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACE4BA, octal 53162272, decimal 11,330,746.
What flights does ACE4BA operate?
Mode-S ACE4BA has broadcast 1 distinct callsign, including N93QM.