Apparatus

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sensors Mode-S transponder

ACAB54

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N915XJ · BOMBARDIER Regional Jet CRJ-900 · operated by DELTA AIR LINES INC

Hex
ACAB54
Octal
53125524
Decimal
11,316,052
Country
US
Tail
N915XJ
Type
CRJ9
No current signal · last broadcast Jul 26, 23:00 UTC
Flights observed
672
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 23:00 UTC

Last known position

Most recent position reported by Mode-S ACAB54.

Country allocation

The ICAO 24-bit address ACAB54 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
EDV5399 - 14 2026-07-14
EDV5370 Endeavor Air 12 2026-07-26
EDV4919 - 12 2026-07-09
EDV5460 Endeavor Air 11 2026-07-04
EDV5328 - 11 2026-07-10
EDV5221 - 11 2026-07-16
EDV5119 - 11 2026-06-17
EDV5018 - 11 2026-07-11
EDV4983 Endeavor Air 11 2026-05-06
EDV5301 - 10 2026-07-11
EDV5250 - 10 2026-07-15
EDV5134 - 10 2026-07-17
EDV5052 - 10 2026-07-14
EDV5015 Endeavor Air 10 2026-07-25
EDV5371 - 9 2026-07-08
EDV5049 Endeavor Air 9 2026-07-23
EDV4921 Endeavor Air 9 2026-07-23
EDV5363 - 8 2026-07-11
EDV5032 - 8 2026-07-22
EDV4985 - 8 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EDV5083 CVG → EWR Jul 26, 21:40 UTCJul 26, 23:00 UTC1h 20m
2026-07-26 EDV5012 MSN → LGA Jul 26, 18:35 UTCJul 26, 19:00 UTC25m
2026-07-26 EDV5012 MSN → LGA Jul 26, 18:33 UTCJul 26, 20:02 UTC1h 29m
2026-07-26 EDV5370 PIT → LGA Jul 26, 16:20 UTCJul 26, 17:05 UTC45m
2026-07-26 EDV5370 PIT → LGA Jul 26, 14:20 UTCJul 26, 15:10 UTC50m
2026-07-26 EDV5239 CLE → LGA Jul 26, 11:30 UTCJul 26, 12:35 UTC1h 5m
2026-07-25 EDV5150 JFK → RDU Jul 25, 21:15 UTCJul 25, 22:25 UTC1h 10m
2026-07-25 EDV5150 JFK → RDU Jul 25, 21:12 UTCJul 25, 22:22 UTC1h 10m
2026-07-25 EDV5015 LGA → BGR Jul 25, 17:05 UTCJul 25, 18:30 UTC1h 25m
2026-07-25 EDV5015 LGA → BGR Jul 25, 16:59 UTCJul 25, 18:32 UTC1h 33m
2026-07-25 EDV5015 LGA → BGR Jul 25, 14:15 UTCJul 25, 15:55 UTC1h 40m
2026-07-25 EDV5176 SYR → DTW Jul 25, 10:50 UTCJul 25, 11:50 UTC1h 0m
2026-07-25 EDV5393 LGA → BTV Jul 25, 01:55 UTCJul 25, 02:45 UTC50m
2026-07-25 EDV5393 LGA → BTV Jul 25, 01:54 UTCJul 25, 02:40 UTC46m
2026-07-24 EDV5174 LGA → CHS Jul 24, 23:40 UTCJul 25, 00:50 UTC1h 10m
2026-07-24 EDV4954 LGA → BGR Jul 24, 21:55 UTCJul 24, 22:15 UTC20m
2026-07-24 EDV5041 JFK → IND Jul 24, 19:25 UTCJul 24, 20:45 UTC1h 20m
2026-07-24 EDV4762 IND → DTW Jul 24, 17:35 UTCJul 24, 18:05 UTC30m
2026-07-23 EDV4921 ATL → TYS Jul 23, 18:10 UTCJul 23, 19:05 UTC55m
2026-07-23 EDV4921 ATL → TYS Jul 23, 16:10 UTCJul 23, 17:05 UTC55m
2026-07-23 EDV4921 ATL → TYS Jul 23, 12:20 UTCJul 23, 14:55 UTC2h 35m
2026-07-23 EDV5103 DTW → CVG Jul 23, 03:35 UTCJul 23, 04:55 UTC1h 20m
2026-07-23 EDV5049 JAX → LGA Jul 23, 00:25 UTCJul 23, 02:10 UTC1h 45m
2026-07-23 EDV5049 JAX → LGA Jul 23, 00:24 UTCJul 23, 02:05 UTC1h 41m
2026-07-22 EDV5049 JAX → LGA Jul 22, 15:44 UTCJul 22, 17:21 UTC1h 37m
2026-07-22 EDV5049 JAX → LGA Jul 22, 15:45 UTCJul 22, 17:00 UTC1h 15m
2026-07-22 EDV5032 SAV → JFK Jul 22, 12:05 UTCJul 22, 13:45 UTC1h 40m
2026-07-21 EDV5207 IND → DTW Jul 21, 14:20 UTCJul 21, 16:25 UTC2h 5m
2026-07-21 EDV5207 IND → DTW Jul 21, 14:19 UTCJul 21, 16:19 UTC2h 0m
2026-07-21 EDV5277 - Jul 21, 10:25 UTCJul 21, 11:15 UTC50m
2026-07-21 EDV5277 PWM → JFK Jul 21, 10:23 UTCJul 21, 11:16 UTC53m
2026-07-21 EDV5411 - Jul 21, 04:10 UTCJul 21, 05:00 UTC50m
2026-07-21 EDV4909 BNA → JFK Jul 21, 00:40 UTCJul 21, 02:35 UTC1h 55m
2026-07-20 EDV4909 - Jul 20, 20:50 UTCJul 20, 22:30 UTC1h 40m
2026-07-20 EDV5015 LGA → BGR Jul 20, 17:20 UTCJul 20, 18:45 UTC1h 25m
2026-07-20 EDV5015 LGA → BGR Jul 20, 14:10 UTCJul 20, 15:40 UTC1h 30m
2026-07-20 EDV5044 CVG → JFK Jul 20, 11:20 UTCJul 20, 12:50 UTC1h 30m
2026-07-20 EDV5023 JFK → CVG Jul 20, 00:40 UTCJul 20, 02:10 UTC1h 30m
2026-07-19 EDV4662 - Jul 19, 19:40 UTCJul 19, 21:40 UTC2h 0m
2026-07-19 EDV4662 JFK → BNA Jul 19, 16:40 UTCJul 19, 18:30 UTC1h 50m
2026-07-19 EDV4916 YYZ → MSP Jul 19, 13:35 UTCJul 19, 15:30 UTC1h 55m
2026-07-19 EDV4916 YYZ → MSP Jul 19, 13:35 UTCJul 19, 15:33 UTC1h 58m
2026-07-18 EDV4908 JFK → BNA Jul 18, 01:54 UTCJul 18, 03:50 UTC1h 56m
2026-07-17 EDV4975 - Jul 17, 21:30 UTCJul 17, 22:45 UTC1h 15m
2026-07-17 EDV4975 JFK → CLE Jul 17, 18:55 UTCJul 17, 20:04 UTC1h 10m
2026-07-17 EDV5096 DTW → DSM Jul 17, 15:40 UTCJul 17, 17:30 UTC1h 50m
2026-07-17 EDV5229 DCA → CVG Jul 17, 13:40 UTCJul 17, 14:44 UTC1h 5m
2026-07-17 EDV5229 CVG → DCA Jul 17, 11:15 UTCJul 17, 12:19 UTC1h 5m
2026-07-17 EDV5134 - Jul 17, 01:59 UTCJul 17, 02:59 UTC1h 0m
2026-07-16 EDV5134 - Jul 16, 23:44 UTCJul 17, 00:45 UTC1h 0m

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 N915XJ page for operator, model, and routing details .

Mode-S ACAB54 frequently asked

What is Mode-S code ACAB54?
ACAB54 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N915XJ.
Where is Mode-S ACAB54 registered?
Mode-S code ACAB54 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 ACAB54 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 23:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACAB54, octal 53125524, decimal 11,316,052.
What flights does ACAB54 operate?
Mode-S ACAB54 has broadcast 20 distinct callsigns, including EDV5399, EDV5370, EDV4919, EDV5460, EDV5328.