Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A379CD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N323DN · AIRBUS A-321 · operated by BANK OF UTAH TRUSTEE

Hex
A379CD
Octal
50674715
Decimal
10,713,549
Country
US
Tail
N323DN
Type
A321
No current signal · last broadcast 4h ago
Flights observed
280
Distinct callsigns
20
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S A379CD.

Country allocation

The ICAO 24-bit address A379CD 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
DAL1491 Delta Air Lines 9 2026-06-11
DAL759 Delta Air Lines 7 2026-05-15
DAL1527 Delta Air Lines 7 2026-05-18
DAL1065 Delta Air Lines 7 2026-06-08
DAL1587 Delta Air Lines 6 2026-05-21
DAL1190 Delta Air Lines 6 2026-05-28
DAL664 Delta Air Lines 5 2026-06-11
DAL1341 Delta Air Lines 5 2026-05-24
DAL1266 Delta Air Lines 5 2026-05-29
DAL1167 Delta Air Lines 5 2026-06-09
DAL1148 Delta Air Lines 5 2026-06-04
DAL665 Delta Air Lines 4 2026-05-02
DAL2923 Delta Air Lines 4 2026-05-30
DAL2779 Delta Air Lines 4 2026-06-05
DAL1579 Delta Air Lines 4 2026-05-29
DAL1510 Delta Air Lines 4 2026-06-08
DAL838 Delta Air Lines 3 2026-05-26
DAL818 Delta Air Lines 3 2026-05-21
DAL401 Delta Air Lines 3 2026-05-21
DAL2871 Delta Air Lines 3 2026-05-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-13 DAL2584 ATL → ALB Jun 13, 02:05 UTCJun 13, 03:51 UTC1h 46m
2026-06-13 DAL2584 - Jun 13, 02:05 UTCJun 13, 03:50 UTC1h 45m
2026-06-12 DAL1458 ATL → PBI Jun 12, 22:40 UTCJun 13, 00:00 UTC1h 20m
2026-06-12 DAL1458 ATL → PBI Jun 12, 19:45 UTCJun 12, 21:05 UTC1h 20m
2026-06-12 DAL1384 BDL → ATL Jun 12, 16:30 UTCJun 12, 18:10 UTC1h 40m
2026-06-12 DAL1384 BDL → ATL Jun 12, 13:20 UTCJun 12, 14:55 UTC1h 35m
2026-06-12 DAL1494 MSP → FAR Jun 12, 10:40 UTCJun 12, 11:35 UTC55m
2026-06-12 DAL1562 ATL → CLT Jun 12, 03:40 UTCJun 12, 04:45 UTC1h 5m
2026-06-11 DAL1491 CHS → BOS Jun 11, 23:55 UTCJun 12, 01:40 UTC1h 45m
2026-06-11 DAL1491 CHS → BOS Jun 11, 20:25 UTCJun 11, 22:15 UTC1h 50m
2026-06-11 DAL664 SFO → JFK Jun 11, 17:29 UTCJun 11, 18:31 UTC1h 2m
2026-06-11 DAL664 SFO → JFK Jun 11, 17:30 UTCJun 11, 18:35 UTC1h 5m
2026-06-11 DAL664 SFO → JFK Jun 11, 14:45 UTCJun 11, 15:45 UTC1h 0m
2026-06-11 DAL1211 BUF → BOS Jun 11, 11:30 UTCJun 11, 12:50 UTC1h 20m
2026-06-11 DAL1589 ORD → BOS Jun 11, 03:05 UTCJun 11, 04:40 UTC1h 35m
2026-06-11 DAL1589 ORD → BOS Jun 11, 03:05 UTCJun 11, 04:30 UTC1h 25m
2026-06-11 DAL1594 ATL → TPA Jun 11, 00:10 UTCJun 11, 01:15 UTC1h 5m
2026-06-10 DAL1594 ATL → TPA Jun 10, 22:00 UTCJun 10, 23:00 UTC1h 0m
2026-06-10 DAL1332 ATL → JAX Jun 10, 18:25 UTCJun 10, 19:50 UTC1h 25m
2026-06-10 DAL1332 ATL → JAX Jun 10, 18:24 UTCJun 10, 19:45 UTC1h 21m
2026-06-10 DAL1332 ATL → JAX Jun 10, 15:05 UTCJun 10, 16:30 UTC1h 25m
2026-06-10 DAL1395 JFK → AUS Jun 10, 12:10 UTCJun 10, 13:30 UTC1h 20m
2026-06-10 DAL1395 JFK → AUS Jun 10, 12:08 UTCJun 10, 13:26 UTC1h 18m
2026-06-09 DAL1736 EYW → ATL Jun 9, 23:35 UTCJun 10, 00:45 UTC1h 10m
2026-06-09 DAL1167 LGA → DTW Jun 9, 20:45 UTCJun 9, 21:55 UTC1h 10m
2026-06-09 DAL1167 LGA → DTW Jun 9, 20:43 UTCJun 9, 21:52 UTC1h 9m
2026-06-09 DAL1167 LGA → DTW Jun 9, 18:30 UTCJun 9, 19:30 UTC1h 0m
2026-06-09 DAL1100 SFO → SLC Jun 9, 14:40 UTCJun 9, 15:50 UTC1h 10m
2026-06-09 DAL1100 SFO → SLC Jun 9, 11:40 UTCJun 9, 13:30 UTC1h 50m
2026-06-08 DAL973 AUS → BOS Jun 8, 23:40 UTCJun 9, 01:50 UTC2h 10m
2026-06-08 DAL2595 BOS → JAX Jun 8, 19:36 UTCJun 8, 21:48 UTC2h 12m
2026-06-08 DAL2595 BOS → JAX Jun 8, 19:40 UTCJun 8, 21:50 UTC2h 10m
2026-06-08 DAL1510 MIA → ATL Jun 8, 16:10 UTCJun 8, 17:35 UTC1h 25m
2026-06-08 DAL1510 MIA → ATL Jun 8, 13:10 UTCJun 8, 14:40 UTC1h 30m
2026-06-08 DAL1376 SEA → JFK Jun 8, 10:15 UTCJun 8, 11:35 UTC1h 20m
2026-06-08 DAL1065 DTW → PBI Jun 8, 04:05 UTCJun 8, 05:20 UTC1h 15m
2026-06-07 DAL2627 ATL → BOS Jun 7, 23:35 UTCJun 8, 00:20 UTC45m
2026-06-07 DAL2627 ATL → BOS Jun 7, 20:55 UTCJun 7, 21:40 UTC45m
2026-06-06 DAL2131 BOS → TPA Jun 6, 20:19 UTCJun 6, 21:54 UTC1h 35m
2026-06-06 DAL1186 MSP → BOS Jun 6, 17:10 UTCJun 6, 18:50 UTC1h 40m
2026-06-06 DAL1186 MSP → BOS Jun 6, 17:06 UTCJun 6, 18:34 UTC1h 28m
2026-06-06 DAL1572 FLL → BOS Jun 6, 13:44 UTCJun 6, 15:15 UTC1h 30m
2026-06-05 DAL1131 JFK → TPA Jun 5, 20:35 UTCJun 5, 22:25 UTC1h 50m
2026-06-05 DAL2779 LGA → BOS Jun 5, 16:40 UTCJun 5, 18:50 UTC2h 10m
2026-06-05 DAL2779 LGA → BOS Jun 5, 16:39 UTCJun 5, 18:48 UTC2h 9m
2026-06-05 DAL2432 LAX → SFO Jun 5, 12:50 UTCJun 5, 14:55 UTC2h 5m
2026-06-05 DAL1269 BOS → TPA Jun 5, 09:25 UTCJun 5, 11:00 UTC1h 35m
2026-06-04 DAL2065 ATL → OAJ Jun 4, 23:15 UTCJun 5, 01:00 UTC1h 45m
2026-06-04 DAL1148 SNA → SLC Jun 4, 20:20 UTCJun 4, 21:50 UTC1h 30m
2026-06-04 DAL1148 SNA → SLC Jun 4, 20:16 UTCJun 4, 21:50 UTC1h 34m

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 N323DN page for operator, model, and routing details .

Mode-S A379CD frequently asked

What is Mode-S code A379CD?
A379CD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N323DN.
Where is Mode-S A379CD registered?
Mode-S code A379CD 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 A379CD broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A379CD, octal 50674715, decimal 10,713,549.
What flights does A379CD operate?
Mode-S A379CD has broadcast 20 distinct callsigns, including DAL1491, DAL759, DAL1527, DAL1065, DAL1587.