Apparatus

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sensors Mode-S transponder

A0B59D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N145DQ · AIRBUS A220-100 · operated by DELTA AIR LINES INC

Hex
A0B59D
Octal
50132635
Decimal
10,532,253
Country
US
Tail
N145DQ
Type
BCS1
Broadcasting now · callsign DAL930 · 24,200 ft
Flights observed
483
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

A0B59D is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A0B59D 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
DAL860 Delta Air Lines 11 2026-05-10
DAL1277 Delta Air Lines 10 2026-06-09
DAL561 - 9 2026-07-09
DAL1449 - 9 2026-07-05
DAL930 - 8 2026-06-19
DAL803 Delta Air Lines 8 2026-04-26
DAL2846 - 6 2026-06-30
DAL2699 Delta Air Lines 6 2026-06-05
DAL2667 - 6 2026-07-14
DAL2574 - 6 2026-07-02
DAL2521 - 6 2026-07-07
DAL2503 Delta Air Lines 6 2026-05-01
DAL2390 Delta Air Lines 6 2026-06-27
DAL2095 Delta Air Lines 6 2026-04-27
DAL2057 Delta Air Lines 6 2026-05-29
DAL2006 - 6 2026-07-03
DAL1553 Delta Air Lines 6 2026-05-08
DAL724 Delta Air Lines 5 2026-05-07
DAL454 Delta Air Lines 5 2026-06-26
DAL362 - 5 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DAL2667 - Jul 14, 14:25 UTCJul 14, 16:45 UTC2h 20m
2026-07-14 DAL1597 STL → MSP Jul 14, 11:25 UTCJul 14, 12:35 UTC1h 10m
2026-07-14 DAL1609 - Jul 14, 03:15 UTCJul 14, 04:20 UTC1h 5m
2026-07-13 DAL2963 DCA → MSP Jul 13, 23:15 UTCJul 14, 01:15 UTC2h 0m
2026-07-13 DAL2963 MSP → DCA Jul 13, 19:55 UTCJul 13, 22:00 UTC2h 5m
2026-07-13 DAL2688 PHL → MSP Jul 13, 15:50 UTCJul 13, 18:05 UTC2h 15m
2026-07-13 DAL2963 - Jul 13, 12:25 UTCJul 13, 14:40 UTC2h 15m
2026-07-12 DAL2963 DCA → MSP Jul 12, 23:30 UTCJul 13, 01:35 UTC2h 5m
2026-07-12 DAL2963 MSP → DCA Jul 12, 20:10 UTCJul 12, 22:15 UTC2h 5m
2026-07-12 DAL2972 DFW → MSP Jul 12, 16:55 UTCJul 12, 18:55 UTC2h 0m
2026-07-12 DAL2972 MSP → DFW Jul 12, 12:55 UTCJul 12, 14:50 UTC1h 55m
2026-07-11 DAL2005 - Jul 11, 18:00 UTCJul 11, 18:55 UTC55m
2026-07-11 DAL2005 - Jul 11, 15:30 UTCJul 11, 16:20 UTC50m
2026-07-11 DAL1635 - Jul 11, 11:55 UTCJul 11, 12:55 UTC1h 0m
2026-07-11 DAL1657 - Jul 11, 02:55 UTCJul 11, 04:01 UTC1h 5m
2026-07-10 DAL2061 - Jul 10, 20:20 UTCJul 10, 23:25 UTC3h 5m
2026-07-10 DAL1835 PUJ → MSP Jul 10, 17:20 UTCJul 10, 18:45 UTC1h 25m
2026-07-10 DAL1583 - Jul 10, 12:45 UTCJul 10, 15:25 UTC2h 40m
2026-07-10 DAL1583 IAH → SLC Jul 10, 12:41 UTCJul 10, 15:21 UTC2h 40m
2026-07-10 DAL2683 - Jul 10, 05:10 UTCJul 10, 07:20 UTC2h 10m
2026-07-09 DAL561 - Jul 9, 17:20 UTCJul 9, 18:20 UTC1h 0m
2026-07-09 DAL561 - Jul 9, 15:30 UTCJul 9, 16:20 UTC50m
2026-07-09 DAL1635 - Jul 9, 11:35 UTCJul 9, 12:30 UTC55m
2026-07-09 DAL1657 - Jul 9, 03:25 UTCJul 9, 04:25 UTC1h 0m
2026-07-08 DAL3185 - Jul 8, 22:45 UTCJul 9, 00:30 UTC1h 45m
2026-07-08 DAL3185 MSP → STL Jul 8, 20:35 UTCJul 8, 21:45 UTC1h 10m
2026-07-08 DAL2688 PHL → MSP Jul 8, 15:55 UTCJul 8, 18:15 UTC2h 20m
2026-07-08 DAL2688 MSP → PHL Jul 8, 12:35 UTCJul 8, 14:45 UTC2h 10m
2026-07-08 DAL2130 PWK → MSP Jul 8, 01:45 UTCJul 8, 02:40 UTC55m
2026-07-07 DAL2130 MSP → ORD Jul 7, 23:20 UTCJul 8, 00:25 UTC1h 5m
2026-07-07 DAL2521 - Jul 7, 19:50 UTCJul 7, 22:15 UTC2h 25m
2026-07-07 DAL2521 MSP → RDU Jul 7, 16:15 UTCJul 7, 18:25 UTC2h 10m
2026-07-07 DAL2594 PHL → MSP Jul 7, 01:31 UTCJul 7, 03:51 UTC2h 20m
2026-07-07 DAL2594 PHL → MSP Jul 7, 01:35 UTCJul 7, 03:55 UTC2h 20m
2026-07-06 DAL2594 MSP → PHL Jul 6, 21:25 UTCJul 6, 23:30 UTC2h 5m
2026-07-06 DAL2594 - Jul 6, 17:30 UTCJul 6, 18:20 UTC50m
2026-07-06 DAL561 - Jul 6, 15:30 UTCJul 6, 16:20 UTC50m
2026-07-06 DAL1597 STL → MSP Jul 6, 11:26 UTCJul 6, 12:35 UTC1h 9m
2026-07-06 DAL1609 MSP → STL Jul 6, 03:05 UTCJul 6, 04:10 UTC1h 5m
2026-07-05 DAL1449 - Jul 5, 23:40 UTCJul 6, 01:15 UTC1h 35m
2026-07-05 DAL1449 CLE → MSP Jul 5, 23:38 UTCJul 6, 01:16 UTC1h 38m
2026-07-05 DAL1449 MSP → CLE Jul 5, 20:55 UTCJul 5, 22:20 UTC1h 25m
2026-07-05 DAL2181 GSO → ATL Jul 5, 17:25 UTCJul 5, 19:20 UTC1h 55m
2026-07-05 DAL2181 GSO → ATL Jul 5, 14:15 UTCJul 5, 16:10 UTC1h 55m
2026-07-05 DAL2913 - Jul 5, 11:10 UTCJul 5, 12:15 UTC1h 5m
2026-07-05 DAL1711 - Jul 5, 02:35 UTCJul 5, 03:40 UTC1h 5m
2026-07-04 DAL535 ABQ → MSP Jul 4, 18:35 UTCJul 4, 20:40 UTC2h 5m
2026-07-03 DAL730 MSP → ABQ Jul 3, 23:15 UTCJul 4, 01:30 UTC2h 15m
2026-07-03 DAL2006 - Jul 3, 21:15 UTCJul 3, 22:05 UTC50m
2026-07-03 DAL2006 MKE → MSP Jul 3, 21:10 UTCJul 3, 22:06 UTC56m

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 N145DQ page for operator, model, and routing details .

Mode-S A0B59D frequently asked

What is Mode-S code A0B59D?
A0B59D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N145DQ.
Where is Mode-S A0B59D registered?
Mode-S code A0B59D 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 A0B59D broadcasting right now?
Yes. Mode-S A0B59D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A0B59D, octal 50132635, decimal 10,532,253.
What flights does A0B59D operate?
Mode-S A0B59D has broadcast 20 distinct callsigns, including DAL860, DAL1277, DAL561, DAL1449, DAL930.