Apparatus

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sensors Mode-S transponder

A74ECC

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N570DZ · AIRBUS A-350-900 · operated by BANK OF UTAH TRUSTEE

Hex
A74ECC
Octal
51647314
Decimal
10,964,684
Country
US
Tail
N570DZ
Type
A359
Broadcasting now · callsign DAL161 · 38,000 ft
Flights observed
194
Distinct callsigns
20
Country
US
Last broadcast
33m ago

Current position

A74ECC is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A74ECC 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
DAL295 Delta Air Lines 14 2026-07-07
DAL161 - 13 2026-07-14
DAL160 - 13 2026-07-13
DAL171 - 12 2026-07-02
DAL120 - 12 2026-07-13
DAL7 Delta Air Lines 10 2026-06-18
DAL170 - 10 2026-07-03
DAL167 - 9 2026-07-12
DAL147 - 9 2026-07-06
DAL294 - 8 2026-07-05
DAL291 Delta Air Lines 8 2026-05-21
DAL146 - 8 2026-07-07
DAL8 - 7 2026-06-14
DAL166 - 7 2026-07-08
DAL121 - 7 2026-07-04
DAL1502 Delta Air Lines 6 2026-04-27
DAL500 Delta Air Lines 5 2026-04-27
DAL197 - 5 2026-07-09
DAL69 - 4 2026-07-12
DAL290 Delta Air Lines 4 2026-05-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DAL161 - Jul 14, 08:50 UTCJul 14, 09:00 UTC10m
2026-07-13 DAL160 - Jul 13, 22:30 UTCJul 14, 06:10 UTC7h 40m
2026-07-13 DAL120 HND → MSP Jul 13, 08:46 UTCJul 13, 19:48 UTC11h 2m
2026-07-13 DAL120 - Jul 13, 08:50 UTCJul 13, 19:50 UTC11h 0m
2026-07-12 DAL167 SEA → HND Jul 12, 19:15 UTCJul 13, 04:35 UTC9h 20m
2026-07-12 DAL167 SEA → HND Jul 12, 19:11 UTCJul 13, 04:30 UTC9h 19m
2026-07-12 DAL68 TPE → SEA Jul 12, 03:20 UTCJul 12, 14:05 UTC10h 45m
2026-07-12 DAL69 - Jul 12, 00:35 UTCJul 12, 01:00 UTC25m
2026-07-11 DAL69 SEA → KMI Jul 11, 13:40 UTCJul 11, 23:30 UTC9h 50m
2026-07-10 DAL196 - Jul 10, 10:25 UTCJul 10, 21:00 UTC10h 35m
2026-07-09 DAL197 - Jul 9, 20:15 UTCJul 10, 00:35 UTC4h 20m
2026-07-09 DAL197 SEA → ICN Jul 9, 20:13 UTCJul 10, 06:50 UTC10h 37m
2026-07-09 166 HND → SEA Jul 9, 08:10 UTCJul 9, 16:25 UTC8h 15m
2026-07-08 DAL167 SEA → HND Jul 8, 19:19 UTCJul 9, 05:27 UTC10h 8m
2026-07-08 DAL167 SEA → HND Jul 8, 19:20 UTCJul 9, 05:15 UTC9h 55m
2026-07-08 DAL166 HND → SEA Jul 8, 08:25 UTCJul 8, 16:45 UTC8h 20m
2026-07-07 DAL295 ATL → HND Jul 7, 16:35 UTCJul 8, 05:55 UTC13h 20m
2026-07-07 DAL146 SCL → ATL Jul 7, 00:58 UTCJul 7, 09:53 UTC8h 55m
2026-07-06 DAL147 - Jul 6, 02:45 UTCJul 6, 08:35 UTC5h 50m
2026-07-05 DAL294 HND → ATL Jul 5, 06:40 UTCJul 5, 18:55 UTC12h 15m
2026-07-04 DAL121 MSP → HND Jul 4, 15:44 UTCJul 5, 03:04 UTC11h 20m
2026-07-04 DAL121 MSP → HND Jul 4, 15:45 UTCJul 5, 03:00 UTC11h 15m
2026-07-03 DAL170 ICN → MSP Jul 3, 11:00 UTCJul 3, 22:55 UTC11h 55m
2026-07-02 DAL171 - Jul 2, 19:20 UTCJul 3, 07:55 UTC12h 35m
2026-07-02 DAL161 - Jul 2, 08:00 UTCJul 2, 09:25 UTC1h 25m
2026-07-02 DAL161 AMS → MSP Jul 2, 07:59 UTCJul 2, 16:34 UTC8h 35m
2026-07-02 DAL161 AMS → MSP Jul 2, 07:59 UTCJul 2, 16:31 UTC8h 32m
2026-07-01 DAL160 - Jul 1, 21:15 UTCJul 2, 04:10 UTC6h 55m
2026-07-01 DAL160 MSP → AMS Jul 1, 21:13 UTCJul 2, 04:16 UTC7h 3m
2026-07-01 DAL120 - Jul 1, 07:45 UTCJul 1, 18:05 UTC10h 20m
2026-06-30 DAL167 SEA → HND Jun 30, 19:25 UTCJul 1, 05:20 UTC9h 55m
2026-06-30 DAL167 - Jun 30, 19:25 UTCJul 1, 05:00 UTC9h 35m
2026-06-30 DAL166 HND → SEA Jun 30, 08:10 UTCJun 30, 16:10 UTC8h 0m
2026-06-29 DAL295 ATL → HND Jun 29, 15:30 UTCJun 29, 19:00 UTC3h 30m
2026-06-29 DAL295 ATL → HND Jun 29, 15:29 UTCJun 30, 04:29 UTC13h 0m
2026-06-29 DAL146 SCL → ATL Jun 29, 00:52 UTCJun 29, 09:54 UTC9h 2m
2026-06-29 DAL146 SCL → ATL Jun 29, 00:52 UTCJun 29, 09:45 UTC8h 53m
2026-06-28 DAL147 - Jun 28, 03:29 UTCJun 28, 06:15 UTC2h 45m
2026-06-27 DAL294 HND → ATL Jun 27, 06:30 UTCJun 27, 18:35 UTC12h 5m
2026-06-26 DAL121 MSP → HND Jun 26, 15:54 UTCJun 27, 04:00 UTC12h 5m
2026-06-25 DAL170 ICN → MSP Jun 25, 10:59 UTCJun 25, 22:45 UTC11h 45m
2026-06-24 DAL171 - Jun 24, 19:20 UTCJun 25, 08:04 UTC12h 45m
2026-06-24 DAL161 AMS → MSP Jun 24, 08:49 UTCJun 24, 16:45 UTC7h 55m
2026-06-23 DAL160 - Jun 23, 21:20 UTCJun 24, 04:39 UTC7h 20m
2026-06-23 DAL120 HND → MSP Jun 23, 07:10 UTCJun 23, 17:18 UTC10h 8m
2026-06-23 DAL120 - Jun 23, 07:09 UTCJun 23, 16:59 UTC9h 50m
2026-06-22 DAL121 MSP → HND Jun 22, 16:05 UTCJun 23, 03:20 UTC11h 15m
2026-06-21 DAL170 - Jun 21, 10:49 UTCJun 21, 12:40 UTC1h 50m
2026-06-21 DAL170 ICN → MSP Jun 21, 10:49 UTCJun 21, 22:38 UTC11h 49m
2026-06-20 DAL171 - Jun 20, 18:45 UTCJun 21, 07:34 UTC12h 50m

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 N570DZ page for operator, model, and routing details .

Mode-S A74ECC frequently asked

What is Mode-S code A74ECC?
A74ECC is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N570DZ.
Where is Mode-S A74ECC registered?
Mode-S code A74ECC 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 A74ECC broadcasting right now?
Yes. Mode-S A74ECC is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A74ECC, octal 51647314, decimal 10,964,684.
What flights does A74ECC operate?
Mode-S A74ECC has broadcast 20 distinct callsigns, including DAL295, DAL161, DAL160, DAL171, DAL120.