Apparatus

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sensors Mode-S transponder

A05B7E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N122DU · AIRBUS A220-100 · operated by BANK OF UTAH TRUSTEE

Hex
A05B7E
Octal
50055576
Decimal
10,509,182
Country
US
Tail
N122DU
Type
BCS1
Broadcasting now · callsign DAL3188 · 11,000 ft
Flights observed
457
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

A05B7E is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A05B7E 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
DAL2699 Delta Air Lines 12 2026-05-08
DAL1198 - 11 2026-07-02
DAL920 Delta Air Lines 9 2026-05-17
DAL845 - 9 2026-07-07
DAL2920 - 8 2026-07-04
DAL2533 Delta Air Lines 8 2026-05-03
DAL1623 - 8 2026-07-04
DAL803 Delta Air Lines 7 2026-05-04
DAL2773 - 7 2026-06-20
DAL2057 - 7 2026-07-12
DAL1744 Delta Air Lines 7 2026-05-18
DAL2574 - 6 2026-06-28
DAL2357 - 6 2026-06-20
DAL804 Delta Air Lines 5 2026-05-03
DAL2969 Delta Air Lines 5 2026-06-02
DAL2866 Delta Air Lines 5 2026-06-18
DAL2819 Delta Air Lines 5 2026-06-25
DAL2811 Delta Air Lines 5 2026-05-16
DAL2772 - 5 2026-07-08
DAL2717 - 5 2026-06-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DAL1717 - Jul 14, 11:40 UTCJul 14, 12:35 UTC55m
2026-07-14 DAL1563 MSP → ORD Jul 14, 01:35 UTCJul 14, 02:30 UTC55m
2026-07-13 DAL1630 - Jul 13, 22:55 UTCJul 13, 23:45 UTC50m
2026-07-13 DAL1630 - Jul 13, 20:45 UTCJul 13, 21:45 UTC1h 0m
2026-07-13 DAL2181 - Jul 13, 17:35 UTCJul 13, 19:30 UTC1h 55m
2026-07-13 DAL2181 - Jul 13, 14:05 UTCJul 13, 16:00 UTC1h 55m
2026-07-13 DAL1597 STL → MSP Jul 13, 11:35 UTCJul 13, 12:40 UTC1h 5m
2026-07-13 DAL1597 STL → MSP Jul 13, 11:32 UTCJul 13, 12:40 UTC1h 8m
2026-07-13 DAL1609 MSP → STL Jul 13, 03:15 UTCJul 13, 04:20 UTC1h 5m
2026-07-13 DAL1609 MSP → STL Jul 13, 03:15 UTCJul 13, 04:21 UTC1h 6m
2026-07-13 DAL2565 - Jul 13, 00:01 UTCJul 13, 02:05 UTC2h 5m
2026-07-12 DAL2565 MSP → BWI Jul 12, 20:20 UTCJul 12, 22:25 UTC2h 5m
2026-07-12 DAL2688 PHL → MSP Jul 12, 16:40 UTCJul 12, 18:50 UTC2h 10m
2026-07-12 DAL2057 MSP → PHL Jul 12, 12:30 UTCJul 12, 14:35 UTC2h 5m
2026-07-11 DAL2057 - Jul 11, 17:55 UTCJul 11, 19:25 UTC1h 30m
2026-07-11 DAL2057 MSP → CLE Jul 11, 15:05 UTCJul 11, 16:35 UTC1h 30m
2026-07-10 DAL2285 - Jul 10, 23:10 UTCJul 11, 02:00 UTC2h 50m
2026-07-10 DAL2285 MSP → BDL Jul 10, 19:35 UTCJul 10, 21:45 UTC2h 10m
2026-07-10 DAL2656 - Jul 10, 16:00 UTCJul 10, 18:15 UTC2h 15m
2026-07-10 DAL2656 - Jul 10, 12:20 UTCJul 10, 14:45 UTC2h 25m
2026-07-09 DAL1555 - Jul 9, 23:40 UTCJul 10, 00:45 UTC1h 5m
2026-07-09 DAL1555 - Jul 9, 21:40 UTCJul 9, 22:35 UTC55m
2026-07-09 DAL2958 DCA → MSP Jul 9, 18:15 UTCJul 9, 20:35 UTC2h 20m
2026-07-09 DAL2958 MSP → DCA Jul 9, 12:50 UTCJul 9, 14:50 UTC2h 0m
2026-07-08 DAL2772 - Jul 8, 17:05 UTCJul 8, 17:30 UTC25m
2026-07-08 DAL2772 CMH → MSP Jul 8, 17:01 UTCJul 8, 18:29 UTC1h 28m
2026-07-08 DAL2772 MSP → CMH Jul 8, 12:30 UTCJul 8, 13:55 UTC1h 25m
2026-07-07 DAL2565 - Jul 7, 23:40 UTCJul 8, 01:55 UTC2h 15m
2026-07-07 DAL2565 MSP → BWI Jul 7, 20:30 UTCJul 7, 22:35 UTC2h 5m
2026-07-07 DAL845 - Jul 7, 17:35 UTCJul 7, 19:15 UTC1h 40m
2026-07-07 DAL845 PIT → MSP Jul 7, 17:31 UTCJul 7, 19:12 UTC1h 41m
2026-07-07 DAL845 - Jul 7, 13:05 UTCJul 7, 14:45 UTC1h 40m
2026-07-06 DAL2675 BOS → FLL Jul 6, 23:50 UTCJul 7, 02:15 UTC2h 25m
2026-07-06 DAL2680 - Jul 6, 20:00 UTCJul 6, 22:25 UTC2h 25m
2026-07-06 DAL2716 - Jul 6, 11:55 UTCJul 6, 14:40 UTC2h 45m
2026-07-06 DAL2619 - Jul 6, 00:15 UTCJul 6, 02:45 UTC2h 30m
2026-07-05 DAL2455 - Jul 5, 19:55 UTCJul 5, 22:45 UTC2h 50m
2026-07-05 DAL2455 SLC → STL Jul 5, 16:15 UTCJul 5, 18:50 UTC2h 35m
2026-07-05 DAL2544 DEN → SLC Jul 5, 13:30 UTCJul 5, 14:35 UTC1h 5m
2026-07-04 DAL1623 SLC → DEN Jul 4, 19:40 UTCJul 4, 20:40 UTC1h 0m
2026-07-04 DAL1623 SLC → DEN Jul 4, 19:37 UTCJul 4, 20:41 UTC1h 4m
2026-07-04 DAL1367 - Jul 4, 17:05 UTCJul 4, 18:40 UTC1h 35m
2026-07-04 DAL1367 SLC → SMF Jul 4, 14:30 UTCJul 4, 15:45 UTC1h 15m
2026-07-04 DAL2335 - Jul 4, 12:30 UTCJul 4, 12:55 UTC25m
2026-07-04 DAL2608 - Jul 4, 03:45 UTCJul 4, 04:05 UTC20m
2026-07-04 DAL2920 BOI → SLC Jul 4, 00:05 UTCJul 4, 01:00 UTC55m
2026-07-03 DAL2920 - Jul 3, 22:00 UTCJul 3, 22:45 UTC45m
2026-07-03 DAL2813 RDU → MSP Jul 3, 19:15 UTCJul 3, 20:20 UTC1h 5m
2026-07-03 DAL2813 RDU → MSP Jul 3, 16:15 UTCJul 3, 17:15 UTC1h 0m
2026-07-03 DAL1526 ATL → DTW Jul 3, 12:45 UTCJul 3, 14:00 UTC1h 15m

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 N122DU page for operator, model, and routing details .

Mode-S A05B7E frequently asked

What is Mode-S code A05B7E?
A05B7E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N122DU.
Where is Mode-S A05B7E registered?
Mode-S code A05B7E 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 A05B7E broadcasting right now?
Yes. Mode-S A05B7E is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A05B7E, octal 50055576, decimal 10,509,182.
What flights does A05B7E operate?
Mode-S A05B7E has broadcast 20 distinct callsigns, including DAL2699, DAL1198, DAL920, DAL845, DAL2920.