Apparatus

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sensors Mode-S transponder

AD201E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N945DZ · operated by DELTA AIR LINES INC

Hex
AD201E
Octal
53220036
Decimal
11,345,950
Country
US
Tail
N945DZ
Type
B739
Broadcasting now · callsign DAL3110 · 27,000 ft
Flights observed
700
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 19:20 UTC

Current position

AD201E is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AD201E 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
DAL1470 - 29 2026-07-12
DAL3107 Delta Air Lines 23 2026-07-25
DAL1212 Delta Air Lines 22 2026-07-26
DAL2547 Delta Air Lines 21 2026-07-23
DAL1067 - 21 2026-07-15
DAL2827 - 20 2026-07-05
DAL2174 Delta Air Lines 19 2026-07-25
DAL3110 - 18 2026-07-03
DAL2911 Delta Air Lines 17 2026-07-26
DAL1488 Delta Air Lines 17 2026-07-26
DAL2471 - 16 2026-07-16
DAL1204 Delta Air Lines 15 2026-07-23
DAL1479 Delta Air Lines 14 2026-05-03
DAL3179 - 13 2026-07-13
DAL3091 - 13 2026-07-15
DAL3013 Delta Air Lines 13 2026-05-04
DAL2026 - 13 2026-07-07
DAL3100 Delta Air Lines 11 2026-06-05
DAL1246 Delta Air Lines 11 2026-06-03
DAL3103 - 10 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DAL1488 BOS → TPA Jul 26, 18:20 UTCJul 26, 19:15 UTC55m
2026-07-26 DAL1488 BOS → TPA Jul 26, 15:25 UTCJul 26, 16:30 UTC1h 5m
2026-07-26 DAL1212 DCA → ATL Jul 26, 12:10 UTCJul 26, 13:45 UTC1h 35m
2026-07-26 DAL2911 BOS → MIA Jul 26, 03:05 UTCJul 26, 04:45 UTC1h 40m
2026-07-26 DAL2911 BOS → MIA Jul 26, 03:04 UTCJul 26, 04:45 UTC1h 41m
2026-07-25 DAL2621 SEA → BOS Jul 25, 23:15 UTCJul 26, 00:15 UTC1h 0m
2026-07-25 DAL2600 JAX → BOS Jul 25, 20:10 UTCJul 25, 21:05 UTC55m
2026-07-25 DAL2600 JAX → BOS Jul 25, 20:08 UTCJul 25, 21:05 UTC57m
2026-07-25 DAL3107 ATL → CHS Jul 25, 17:05 UTCJul 25, 17:55 UTC50m
2026-07-25 DAL3107 ATL → CHS Jul 25, 15:10 UTCJul 25, 15:50 UTC40m
2026-07-25 DAL1901 DTW → PVR Jul 25, 12:35 UTCJul 25, 13:50 UTC1h 15m
2026-07-25 DAL1482 CHS → LGA Jul 25, 03:05 UTCJul 25, 04:05 UTC1h 0m
2026-07-25 DAL2174 ATL → MSY Jul 25, 00:35 UTCJul 25, 01:25 UTC50m
2026-07-24 DAL2174 ATL → MSY Jul 24, 21:10 UTCJul 24, 21:55 UTC45m
2026-07-24 DAL3107 ATL → CHS Jul 24, 17:20 UTCJul 24, 18:05 UTC45m
2026-07-24 DAL3107 ATL → CHS Jul 24, 15:10 UTCJul 24, 15:55 UTC45m
2026-07-24 DAL1901 DTW → PVR Jul 24, 12:20 UTCJul 24, 13:25 UTC1h 5m
2026-07-24 DAL1482 CHS → LGA Jul 24, 01:10 UTCJul 24, 02:30 UTC1h 20m
2026-07-23 DAL2174 ATL → MSY Jul 23, 22:50 UTCJul 23, 23:35 UTC45m
2026-07-23 DAL2174 ATL → MSY Jul 23, 20:25 UTCJul 23, 21:10 UTC45m
2026-07-23 DAL2547 GRR → ATL Jul 23, 17:10 UTCJul 23, 18:40 UTC1h 30m
2026-07-23 DAL2547 GRR → ATL Jul 23, 14:15 UTCJul 23, 15:49 UTC1h 34m
2026-07-23 DAL2547 GRR → ATL Jul 23, 14:20 UTCJul 23, 15:50 UTC1h 30m
2026-07-23 DAL1204 LGA → RSW Jul 23, 10:50 UTCJul 23, 12:25 UTC1h 35m
2026-07-23 DAL1130 DEN → MSP Jul 23, 00:12 UTCJul 23, 01:51 UTC1h 39m
2026-07-23 DAL1130 DEN → MSP Jul 23, 00:15 UTCJul 23, 01:50 UTC1h 35m
2026-07-22 DAL3095 ATL → GSP Jul 22, 21:35 UTCJul 22, 22:05 UTC30m
2026-07-22 DAL3095 ATL → GSP Jul 22, 21:30 UTCJul 22, 22:08 UTC38m
2026-07-22 DAL3095 ATL → GSP Jul 22, 19:30 UTCJul 22, 20:05 UTC35m
2026-07-22 DAL3107 ATL → CHS Jul 22, 17:25 UTCJul 22, 18:10 UTC45m
2026-07-22 DAL3107 ATL → CHS Jul 22, 14:55 UTCJul 22, 15:35 UTC40m
2026-07-22 DAL1901 DTW → PVR Jul 22, 12:15 UTCJul 22, 13:20 UTC1h 5m
2026-07-22 DAL1901 DTW → PVR Jul 22, 12:12 UTCJul 22, 13:20 UTC1h 8m
2026-07-22 DAL1482 CHS → LGA Jul 22, 01:00 UTCJul 22, 02:20 UTC1h 20m
2026-07-21 DAL2174 ATL → MSY Jul 21, 22:45 UTCJul 21, 23:35 UTC50m
2026-07-21 DAL2174 ATL → MSY Jul 21, 20:20 UTCJul 21, 21:00 UTC40m
2026-07-21 DAL2547 GRR → ATL Jul 21, 17:05 UTCJul 21, 18:35 UTC1h 30m
2026-07-21 DAL2547 GRR → ATL Jul 21, 14:05 UTCJul 21, 15:35 UTC1h 30m
2026-07-21 DAL1204 LGA → RSW Jul 21, 10:55 UTCJul 21, 12:25 UTC1h 30m
2026-07-21 DAL1204 LGA → RSW Jul 21, 10:51 UTCJul 21, 12:25 UTC1h 34m
2026-07-21 DAL2911 BOS → MIA Jul 21, 03:05 UTCJul 21, 04:45 UTC1h 40m
2026-07-20 DAL1126 PDX → LAX Jul 20, 23:30 UTCJul 21, 00:25 UTC54m
2026-07-20 DAL1126 PDX → LAX Jul 20, 21:20 UTCJul 20, 22:10 UTC50m
2026-07-20 DAL1488 - Jul 20, 18:20 UTCJul 20, 19:15 UTC55m
2026-07-20 DAL1488 ATL → RDU Jul 20, 16:00 UTCJul 20, 17:05 UTC1h 5m
2026-07-20 DAL1901 DTW → PVR Jul 20, 13:35 UTCJul 20, 14:35 UTC1h 0m
2026-07-20 DAL1482 ATL → IND Jul 20, 05:05 UTCJul 20, 06:05 UTC1h 0m
2026-07-20 DAL2174 ATL → MSY Jul 20, 02:55 UTCJul 20, 03:35 UTC40m
2026-07-20 DAL2174 ATL → MSY Jul 20, 00:30 UTCJul 20, 01:15 UTC45m
2026-07-19 DAL1184 - Jul 19, 21:45 UTCJul 19, 22:40 UTC55m

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 N945DZ page for operator, model, and routing details .

Mode-S AD201E frequently asked

What is Mode-S code AD201E?
AD201E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N945DZ.
Where is Mode-S AD201E registered?
Mode-S code AD201E 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 AD201E broadcasting right now?
Yes. Mode-S AD201E is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD201E, octal 53220036, decimal 11,345,950.
What flights does AD201E operate?
Mode-S AD201E has broadcast 20 distinct callsigns, including DAL1470, DAL3107, DAL1212, DAL2547, DAL1067.