Apparatus

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sensors Mode-S transponder

A4D483

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N410DZ · AIRBUS A-330-900 · operated by BANK OF UTAH TRUSTEE

Hex
A4D483
Octal
51152203
Decimal
10,802,307
Country
US
Tail
N410DZ
Type
A339
Broadcasting now · callsign DAL56 · 33,500 ft
Flights observed
283
Distinct callsigns
20
Country
US
Last broadcast
32m ago

Current position

A4D483 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A4D483 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
DAL222 - 10 2026-07-11
DAL4 - 9 2026-06-29
DAL241 - 9 2026-07-12
DAL203 - 9 2026-06-20
DAL272 - 8 2026-06-19
DAL67 Delta Air Lines 7 2026-05-30
DAL224 - 7 2026-07-12
DAL213 Delta Air Lines 7 2026-07-02
DAL21 - 7 2026-07-07
DAL202 - 7 2026-06-19
DAL157 - 7 2026-06-18
DAL56 - 6 2026-07-13
DAL273 - 6 2026-06-19
DAL237 Delta Air Lines 6 2026-06-15
DAL215 Delta Air Lines 6 2026-06-02
DAL207 - 6 2026-04-13
DAL144 - 6 2026-07-06
DAL10 - 6 2026-07-07
DAL9 - 5 2026-07-03
DAL3 - 5 2026-07-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 DAL56 - Jul 13, 22:40 UTCJul 14, 00:35 UTC1h 55m
2026-07-13 DAL56 SLC → AMS Jul 13, 22:36 UTCJul 14, 07:35 UTC8h 59m
2026-07-13 DAL221 - Jul 13, 09:25 UTCJul 13, 19:35 UTC10h 10m
2026-07-12 DAL224 BOS → CDG Jul 12, 23:53 UTCJul 13, 06:16 UTC6h 23m
2026-07-12 DAL224 - Jul 12, 23:55 UTCJul 13, 06:25 UTC6h 30m
2026-07-12 DAL241 ATH → BOS Jul 12, 10:55 UTCJul 12, 20:55 UTC10h 0m
2026-07-12 DAL241 ATH → BOS Jul 12, 10:55 UTCJul 12, 20:36 UTC9h 41m
2026-07-11 DAL222 ATL → ATH Jul 11, 22:01 UTCJul 12, 08:05 UTC10h 5m
2026-07-11 DAL223 - Jul 11, 07:20 UTCJul 11, 18:45 UTC11h 25m
2026-07-11 DAL223 ATH → ATL Jul 11, 07:19 UTCJul 11, 19:13 UTC11h 54m
2026-07-10 DAL240 - Jul 10, 20:15 UTCJul 11, 04:40 UTC8h 25m
2026-07-10 DAL225 - Jul 10, 10:10 UTCJul 10, 17:35 UTC7h 25m
2026-07-09 DAL220 - Jul 9, 21:45 UTCJul 10, 07:20 UTC9h 35m
2026-07-09 DAL57 - Jul 9, 09:30 UTCJul 9, 19:20 UTC9h 50m
2026-07-08 DAL142 SEA → AMS Jul 8, 21:35 UTCJul 9, 06:55 UTC9h 20m
2026-07-07 DAL21 - Jul 7, 17:10 UTCJul 8, 02:45 UTC9h 35m
2026-07-07 DAL10 MSP → LHR Jul 7, 04:25 UTCJul 7, 11:55 UTC7h 30m
2026-07-06 DAL165 AMS → MSP Jul 6, 13:55 UTCJul 6, 22:25 UTC8h 30m
2026-07-06 DAL144 SEA → AMS Jul 6, 02:22 UTCJul 6, 11:17 UTC8h 55m
2026-07-06 DAL144 - Jul 6, 02:25 UTCJul 6, 07:00 UTC4h 35m
2026-07-05 DAL145 AMS → SEA Jul 5, 14:10 UTCJul 5, 23:55 UTC9h 45m
2026-07-05 DAL145 AMS → SEA Jul 5, 14:09 UTCJul 5, 23:57 UTC9h 48m
2026-07-05 DAL162 MSP → AMS Jul 5, 02:12 UTCJul 5, 09:37 UTC7h 25m
2026-07-05 DAL162 - Jul 5, 02:15 UTCJul 5, 08:45 UTC6h 30m
2026-07-04 DAL117 STR → ATL Jul 4, 12:40 UTCJul 4, 14:05 UTC1h 25m
2026-07-04 DAL117 STR → ATL Jul 4, 12:36 UTCJul 4, 20:56 UTC8h 20m
2026-07-04 DAL117 STR → ATL Jul 4, 12:36 UTCJul 4, 20:56 UTC8h 20m
2026-07-04 DAL116 ATL → STR Jul 4, 02:35 UTCJul 4, 10:15 UTC7h 40m
2026-07-04 DAL116 ATL → STR Jul 4, 02:32 UTCJul 4, 10:06 UTC7h 34m
2026-07-03 DAL9 - Jul 3, 11:55 UTCJul 3, 20:10 UTC8h 15m
2026-07-03 DAL3 JFK → LHR Jul 3, 03:15 UTCJul 3, 09:22 UTC6h 7m
2026-07-03 DAL3 - Jul 3, 03:20 UTCJul 3, 04:45 UTC1h 25m
2026-07-02 DAL213 ATH → JFK Jul 2, 13:29 UTCJul 2, 23:28 UTC9h 59m
2026-07-02 DAL213 ATH → JFK Jul 2, 13:29 UTCJul 2, 23:23 UTC9h 54m
2026-07-02 DAL213 ATH → JFK Jul 2, 13:30 UTCJul 2, 17:15 UTC3h 45m
2026-07-02 DAL212 JFK → ATH Jul 2, 01:55 UTCJul 2, 10:55 UTC9h 0m
2026-06-30 DAL226 GRU → JFK Jun 30, 23:37 UTCJul 1, 08:49 UTC9h 12m
2026-06-30 DAL226 - Jun 30, 23:40 UTCJul 1, 09:00 UTC9h 20m
2026-06-30 DAL227 - Jun 30, 02:50 UTCJun 30, 11:45 UTC8h 55m
2026-06-29 DAL4 - Jun 29, 16:10 UTCJun 29, 16:44 UTC35m
2026-06-29 DAL4 LHR → JFK Jun 29, 16:08 UTCJun 29, 23:18 UTC7h 10m
2026-06-29 DAL4 LHR → JFK Jun 29, 16:08 UTCJun 29, 23:03 UTC6h 55m
2026-06-29 DAL10 MSP → LHR Jun 29, 04:14 UTCJun 29, 11:29 UTC7h 15m
2026-06-28 DAL165 AMS → MSP Jun 28, 13:04 UTCJun 28, 21:10 UTC8h 5m
2026-06-28 DAL144 - Jun 28, 00:55 UTCJun 28, 08:44 UTC7h 50m
2026-06-28 DAL144 SEA → AMS Jun 28, 00:51 UTCJun 28, 10:16 UTC9h 25m
2026-06-27 DAL43 LAX → SYD Jun 27, 11:09 UTCJun 27, 21:55 UTC10h 45m
2026-06-26 DAL42 SYD → LAX Jun 26, 21:35 UTCJun 26, 23:25 UTC1h 50m
2026-06-26 DAL42 SYD → LAX Jun 26, 21:34 UTCJun 27, 08:23 UTC10h 49m
2026-06-25 DAL21 - Jun 25, 16:59 UTCJun 25, 19:29 UTC2h 30m

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 N410DZ page for operator, model, and routing details .

Mode-S A4D483 frequently asked

What is Mode-S code A4D483?
A4D483 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N410DZ.
Where is Mode-S A4D483 registered?
Mode-S code A4D483 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 A4D483 broadcasting right now?
Yes. Mode-S A4D483 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A4D483, octal 51152203, decimal 10,802,307.
What flights does A4D483 operate?
Mode-S A4D483 has broadcast 20 distinct callsigns, including DAL222, DAL4, DAL241, DAL203, DAL272.