Apparatus

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sensors Mode-S transponder

AC7074

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N900PC · BOEING 757-200 · operated by DELTA AIR LINES INC

Hex
AC7074
Octal
53070164
Decimal
11,300,980
Country
US
Tail
N900PC
Type
B752
Broadcasting now · callsign DAL492 · 37,000 ft
Flights observed
372
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

AC7074 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AC7074 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
DAL334 - 15 2026-07-16
DAL1902 Delta Air Lines 9 2026-06-04
DAL796 - 8 2026-07-03
DAL807 - 7 2026-07-08
DAL725 Delta Air Lines 7 2026-05-31
DAL1336 - 7 2026-07-15
DAL1768 - 6 2026-06-24
DAL1742 Delta Air Lines 6 2026-04-17
DAL981 Delta Air Lines 5 2026-06-02
DAL980 Delta Air Lines 5 2026-06-03
DAL461 Delta Air Lines 5 2026-06-06
DAL2204 - 5 2026-07-14
DAL2171 Delta Air Lines 5 2026-06-07
DAL1433 - 5 2026-07-13
DAL1338 - 5 2026-07-04
DAL1153 Delta Air Lines 5 2026-05-01
DAL1101 - 5 2026-06-14
DAL1089 - 5 2026-07-06
DAL918 - 4 2026-07-12
DAL879 - 4 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 DAL492 - Jul 17, 19:20 UTCJul 17, 21:00 UTC1h 40m
2026-07-17 DAL492 - Jul 17, 13:15 UTCJul 17, 17:15 UTC4h 0m
2026-07-17 DAL919 BOS → DTW Jul 17, 06:54 UTCJul 17, 10:44 UTC3h 50m
2026-07-17 DAL913 ARB → PDX Jul 17, 01:15 UTCJul 17, 05:20 UTC4h 5m
2026-07-16 DAL334 LAS → DTW Jul 16, 18:40 UTCJul 16, 22:15 UTC3h 35m
2026-07-16 DAL334 LAS → DTW Jul 16, 18:38 UTCJul 16, 22:12 UTC3h 34m
2026-07-16 DAL334 - Jul 16, 13:20 UTCJul 16, 16:55 UTC3h 35m
2026-07-15 DAL785 - Jul 15, 23:00 UTCJul 16, 02:40 UTC3h 40m
2026-07-15 DAL366 ATL → PHX Jul 15, 17:55 UTCJul 15, 21:05 UTC3h 10m
2026-07-15 DAL1336 ORF → ATL Jul 15, 14:30 UTCJul 15, 15:50 UTC1h 20m
2026-07-15 DAL1336 ATL → ORF Jul 15, 11:50 UTCJul 15, 13:05 UTC1h 15m
2026-07-14 DAL466 LAS → ATL Jul 14, 22:15 UTCJul 15, 02:00 UTC3h 44m
2026-07-14 DAL945 ATL → LAS Jul 14, 17:05 UTCJul 14, 20:35 UTC3h 30m
2026-07-14 DAL2204 MCO → ATL Jul 14, 14:21 UTCJul 14, 15:27 UTC1h 6m
2026-07-14 DAL2204 MCO → ATL Jul 14, 14:20 UTCJul 14, 15:30 UTC1h 10m
2026-07-14 DAL2204 ATL → MCO Jul 14, 11:40 UTCJul 14, 12:40 UTC1h 0m
2026-07-13 DAL386 PHX → ATL Jul 13, 22:25 UTCJul 14, 01:50 UTC3h 25m
2026-07-13 DAL813 DTW → PHX Jul 13, 17:10 UTCJul 13, 20:35 UTC3h 25m
2026-07-13 DAL1433 MSP → DTW Jul 13, 14:25 UTCJul 13, 15:40 UTC1h 15m
2026-07-13 DAL1746 DTW → MSP Jul 13, 11:25 UTCJul 13, 12:35 UTC1h 10m
2026-07-12 DAL785 PHX → DTW Jul 12, 22:50 UTCJul 13, 02:15 UTC3h 25m
2026-07-12 DAL366 ATL → PHX Jul 12, 17:50 UTCJul 12, 21:05 UTC3h 15m
2026-07-12 DAL918 - Jul 12, 13:01 UTCJul 12, 16:10 UTC3h 10m
2026-07-12 DAL918 PHX → ATL Jul 12, 12:56 UTCJul 12, 16:12 UTC3h 16m
2026-07-11 DAL813 - Jul 11, 17:05 UTCJul 11, 20:30 UTC3h 25m
2026-07-11 DAL1433 - Jul 11, 14:15 UTCJul 11, 15:30 UTC1h 15m
2026-07-11 DAL1746 - Jul 11, 11:30 UTCJul 11, 12:45 UTC1h 15m
2026-07-11 DAL1746 DTW → MSP Jul 11, 11:26 UTCJul 11, 12:45 UTC1h 19m
2026-07-11 DAL919 PDX → DTW Jul 11, 06:25 UTCJul 11, 10:05 UTC3h 40m
2026-07-11 DAL913 - Jul 11, 00:15 UTCJul 11, 04:30 UTC4h 15m
2026-07-10 DAL334 LAS → DTW Jul 10, 18:47 UTCJul 10, 22:03 UTC3h 16m
2026-07-10 DAL334 LAS → DTW Jul 10, 18:50 UTCJul 10, 22:05 UTC3h 15m
2026-07-10 DAL334 - Jul 10, 13:15 UTCJul 10, 17:00 UTC3h 45m
2026-07-09 DAL334 LAS → DTW Jul 9, 19:20 UTCJul 9, 22:30 UTC3h 10m
2026-07-09 DAL334 LAS → DTW Jul 9, 19:17 UTCJul 9, 22:30 UTC3h 13m
2026-07-09 DAL334 DTW → LAS Jul 9, 14:15 UTCJul 9, 18:00 UTC3h 45m
2026-07-08 DAL778 LAS → DTW Jul 8, 23:00 UTCJul 9, 02:30 UTC3h 30m
2026-07-08 DAL807 JFK → LAS Jul 8, 15:45 UTCJul 8, 20:25 UTC4h 40m
2026-07-08 DAL2420 ATL → JFK Jul 8, 11:55 UTCJul 8, 13:40 UTC1h 45m
2026-07-08 DAL879 LAS → ATL Jul 8, 05:10 UTCJul 8, 08:40 UTC3h 30m
2026-07-08 DAL879 LAS → ATL Jul 8, 05:07 UTCJul 8, 08:35 UTC3h 28m
2026-07-07 DAL722 ATL → LAS Jul 7, 23:15 UTCJul 8, 02:55 UTC3h 40m
2026-07-07 DAL1168 - Jul 7, 14:45 UTCJul 7, 16:00 UTC1h 15m
2026-07-07 DAL1107 ATL → FLL Jul 7, 03:50 UTCJul 7, 05:10 UTC1h 20m
2026-07-07 DAL1642 MCO → ATL Jul 7, 01:20 UTCJul 7, 02:20 UTC1h 0m
2026-07-06 DAL1642 ATL → MCO Jul 6, 18:50 UTCJul 6, 20:05 UTC1h 15m
2026-07-06 DAL1089 RSW → ATL Jul 6, 16:15 UTCJul 6, 17:30 UTC1h 15m
2026-07-06 DAL1089 RSW → ATL Jul 6, 16:14 UTCJul 6, 17:34 UTC1h 20m
2026-07-06 DAL1089 ATL → RSW Jul 6, 12:20 UTCJul 6, 13:40 UTC1h 20m
2026-07-05 DAL599 MEX → ATL Jul 5, 22:50 UTCJul 6, 02:15 UTC3h 25m

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 N900PC page for operator, model, and routing details .

Mode-S AC7074 frequently asked

What is Mode-S code AC7074?
AC7074 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N900PC.
Where is Mode-S AC7074 registered?
Mode-S code AC7074 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 AC7074 broadcasting right now?
Yes. Mode-S AC7074 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC7074, octal 53070164, decimal 11,300,980.
What flights does AC7074 operate?
Mode-S AC7074 has broadcast 20 distinct callsigns, including DAL334, DAL1902, DAL796, DAL807, DAL725.