Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

AD52C2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N958DZ · operated by DELTA AIR LINES INC

Hex
AD52C2
Octal
53251302
Decimal
11,358,914
Country
US
Tail
N958DZ
Type
B739
No current signal · last broadcast 7h ago
Flights observed
324
Distinct callsigns
20
Country
US
Last broadcast
7h ago

Last known position

Most recent position reported by Mode-S AD52C2.

Country allocation

The ICAO 24-bit address AD52C2 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
DAL2329 Delta Air Lines 13 2026-04-26
DAL2071 Delta Air Lines 12 2026-05-05
DAL1363 Delta Air Lines 10 2026-04-26
DAL2152 Delta Air Lines 9 2026-05-16
DAL3134 Delta Air Lines 8 2026-05-05
DAL2545 Delta Air Lines 7 2026-05-11
DAL2052 Delta Air Lines 7 2026-05-07
DAL1699 Delta Air Lines 7 2026-04-29
DAL3125 Delta Air Lines 6 2026-04-30
DAL3013 - 6 2026-07-13
DAL3112 Delta Air Lines 5 2026-05-04
DAL2952 Delta Air Lines 5 2026-05-17
DAL2484 - 5 2026-07-12
DAL1383 Delta Air Lines 5 2026-05-03
DAL1146 Delta Air Lines 5 2026-05-05
DAL532 - 4 2026-07-10
DAL409 Delta Air Lines 4 2026-04-30
DAL3122 Delta Air Lines 4 2026-05-07
DAL3059 Delta Air Lines 4 2026-05-11
DAL2501 Delta Air Lines 4 2026-05-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DAL1097 - Jul 14, 00:50 UTCJul 14, 01:50 UTC1h 0m
2026-07-13 DAL1097 ATL → RDU Jul 13, 22:25 UTCJul 13, 23:35 UTC1h 10m
2026-07-13 DAL3013 - Jul 13, 17:50 UTCJul 13, 19:10 UTC1h 20m
2026-07-13 DAL3013 - Jul 13, 15:25 UTCJul 13, 16:30 UTC1h 5m
2026-07-13 DAL690 SFO → ATL Jul 13, 09:35 UTCJul 13, 13:50 UTC4h 15m
2026-07-13 DAL545 ATL → SFO Jul 13, 03:33 UTCJul 13, 07:47 UTC4h 14m
2026-07-13 DAL545 ATL → SFO Jul 13, 03:40 UTCJul 13, 07:50 UTC4h 10m
2026-07-12 DAL2484 - Jul 12, 23:00 UTCJul 12, 23:40 UTC40m
2026-07-12 DAL2484 BHM → ATL Jul 12, 22:57 UTCJul 12, 23:37 UTC40m
2026-07-12 DAL2484 - Jul 12, 20:55 UTCJul 12, 21:20 UTC25m
2026-07-12 DAL3013 - Jul 12, 19:30 UTCJul 12, 19:40 UTC10m
2026-07-12 DAL3013 - Jul 12, 17:45 UTCJul 12, 19:40 UTC1h 55m
2026-07-12 DAL3013 IND → ATL Jul 12, 17:44 UTCJul 12, 19:14 UTC1h 30m
2026-07-12 DAL3013 ATL → IND Jul 12, 15:15 UTCJul 12, 16:20 UTC1h 5m
2026-07-12 DAL1536 STL → ATL Jul 12, 12:15 UTCJul 12, 13:20 UTC1h 5m
2026-07-12 DAL2833 ATL → STL Jul 12, 01:36 UTCJul 12, 02:54 UTC1h 18m
2026-07-12 DAL2833 ATL → STL Jul 12, 01:40 UTCJul 12, 02:50 UTC1h 10m
2026-07-11 DAL3149 - Jul 11, 22:10 UTCJul 11, 22:40 UTC30m
2026-07-11 DAL3149 - Jul 11, 18:05 UTCJul 11, 19:55 UTC1h 50m
2026-07-11 DAL3149 ATL → CVG Jul 11, 15:30 UTCJul 11, 16:40 UTC1h 10m
2026-07-11 DAL1445 - Jul 11, 11:10 UTCJul 11, 12:20 UTC1h 10m
2026-07-11 DAL2997 ATL → SRQ Jul 11, 03:54 UTCJul 11, 04:58 UTC1h 4m
2026-07-11 DAL2997 ATL → SRQ Jul 11, 03:55 UTCJul 11, 05:01 UTC1h 5m
2026-07-10 DAL2206 - Jul 10, 21:15 UTCJul 11, 01:35 UTC4h 20m
2026-07-10 DAL2206 ATL → PDX Jul 10, 15:40 UTCJul 10, 20:05 UTC4h 25m
2026-07-10 DAL1396 - Jul 10, 13:05 UTCJul 10, 14:10 UTC1h 5m
2026-07-10 DAL2083 - Jul 10, 07:55 UTCJul 10, 08:50 UTC55m
2026-07-10 DAL2293 JFK → ATL Jul 10, 05:05 UTCJul 10, 06:45 UTC1h 40m
2026-07-10 DAL2293 JFK → ATL Jul 10, 05:03 UTCJul 10, 06:43 UTC1h 40m
2026-07-10 DAL532 - Jul 10, 02:05 UTCJul 10, 03:30 UTC1h 25m
2026-07-10 DAL532 DEN → JFK Jul 10, 02:03 UTCJul 10, 03:21 UTC1h 18m
2026-07-09 DAL532 DEN → DTW Jul 9, 18:50 UTCJul 9, 22:05 UTC3h 15m
2026-07-09 DAL532 JFK → DEN Jul 9, 12:55 UTCJul 9, 16:40 UTC3h 45m
2026-07-09 DAL2095 TPA → JFK Jul 9, 00:00 UTCJul 9, 02:15 UTC2h 15m
2026-07-08 DAL2404 LGA → TPA Jul 8, 20:00 UTCJul 8, 22:40 UTC2h 40m
2026-07-08 DAL2346 - Jul 8, 15:55 UTCJul 8, 18:15 UTC2h 20m
2026-07-08 DAL1528 JFK → MIA Jul 8, 11:20 UTCJul 8, 13:45 UTC2h 25m
2026-07-07 DAL1643 AUS → JFK Jul 7, 23:50 UTCJul 8, 03:35 UTC3h 45m
2026-07-07 DAL1643 JFK → AUS Jul 7, 19:05 UTCJul 7, 22:25 UTC3h 20m
2026-07-07 DAL2165 - Jul 7, 14:40 UTCJul 7, 17:00 UTC2h 20m
2026-07-07 DAL2165 FLL → JFK Jul 7, 14:36 UTCJul 7, 16:58 UTC2h 22m
2026-07-07 DAL1414 JFK → FLL Jul 7, 03:20 UTCJul 7, 05:45 UTC2h 25m
2026-07-06 DAL1411 AUS → JFK Jul 6, 17:30 UTCJul 6, 20:52 UTC3h 22m
2026-07-06 DAL1411 AUS → JFK Jul 6, 17:30 UTCJul 6, 20:55 UTC3h 25m
2026-07-05 DAL1233 JFK → AUS Jul 5, 23:15 UTCJul 6, 02:50 UTC3h 35m
2026-07-05 DAL1575 ATL → JFK Jul 5, 18:50 UTCJul 5, 20:40 UTC1h 50m
2026-07-05 DAL3164 - Jul 5, 16:20 UTCJul 5, 17:00 UTC40m
2026-07-05 DAL3164 - Jul 5, 13:55 UTCJul 5, 14:15 UTC20m
2026-07-05 DAL3001 - Jul 5, 11:25 UTCJul 5, 12:05 UTC40m
2026-07-05 DAL1144 MSP → BNA Jul 5, 02:44 UTCJul 5, 04:41 UTC1h 57m

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 N958DZ page for operator, model, and routing details .

Mode-S AD52C2 frequently asked

What is Mode-S code AD52C2?
AD52C2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N958DZ.
Where is Mode-S AD52C2 registered?
Mode-S code AD52C2 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 AD52C2 broadcasting right now?
No active broadcast right now. Last signal was 7h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD52C2, octal 53251302, decimal 11,358,914.
What flights does AD52C2 operate?
Mode-S AD52C2 has broadcast 20 distinct callsigns, including DAL2329, DAL2071, DAL1363, DAL2152, DAL3134.