Apparatus

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sensors Mode-S transponder

ACC5AA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N922AT · BOEING 717-200 · operated by DELTA AIR LINES INC

Hex
ACC5AA
Octal
53142652
Decimal
11,322,794
Country
US
Tail
N922AT
Type
B712
No current signal · last broadcast 1h ago
Flights observed
630
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S ACC5AA.

Country allocation

The ICAO 24-bit address ACC5AA 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
DAL2331 - 14 2026-07-13
DAL2681 - 12 2026-07-03
DAL3033 - 10 2026-06-28
DAL2480 - 10 2026-07-13
DAL1787 Delta Air Lines 9 2026-06-16
DAL3078 - 8 2026-06-25
DAL3011 Delta Air Lines 8 2026-06-11
DAL2826 Delta Air Lines 8 2026-06-15
DAL1017 - 8 2026-06-29
DAL3182 Delta Air Lines 7 2026-06-08
DAL2381 - 7 2026-06-29
DAL3163 - 6 2026-07-09
DAL2358 Delta Air Lines 6 2026-05-22
DAL2232 Delta Air Lines 6 2026-05-20
DAL2182 - 6 2026-06-20
DAL1248 - 6 2026-06-20
DAL844 Delta Air Lines 5 2026-06-03
DAL376 - 5 2026-07-05
DAL3199 - 5 2026-07-06
DAL3180 - 5 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DAL1230 - Jul 14, 00:20 UTCJul 14, 01:40 UTC1h 20m
2026-07-13 DAL2480 - Jul 13, 22:05 UTCJul 13, 23:05 UTC1h 0m
2026-07-13 DAL2480 BWI → DTW Jul 13, 22:01 UTCJul 13, 23:10 UTC1h 9m
2026-07-13 DAL2480 - Jul 13, 19:55 UTCJul 13, 21:00 UTC1h 5m
2026-07-13 DAL2331 PHL → DTW Jul 13, 17:11 UTCJul 13, 18:29 UTC1h 18m
2026-07-13 DAL2331 - Jul 13, 15:00 UTCJul 13, 16:10 UTC1h 10m
2026-07-13 DAL1256 - Jul 13, 11:30 UTCJul 13, 13:05 UTC1h 35m
2026-07-13 DAL1256 MCI → DTW Jul 13, 11:26 UTCJul 13, 13:00 UTC1h 34m
2026-07-13 DAL1321 - Jul 13, 00:15 UTCJul 13, 01:40 UTC1h 25m
2026-07-12 DAL1430 - Jul 12, 21:55 UTCJul 12, 23:05 UTC1h 10m
2026-07-12 DAL3031 - Jul 12, 19:55 UTCJul 12, 20:40 UTC45m
2026-07-12 DAL3040 - Jul 12, 16:55 UTCJul 12, 18:01 UTC1h 5m
2026-07-12 DAL3040 - Jul 12, 14:40 UTCJul 12, 15:35 UTC55m
2026-07-12 DAL516 - Jul 12, 11:15 UTCJul 12, 12:50 UTC1h 35m
2026-07-12 DAL1104 ATL → DAL Jul 12, 01:55 UTCJul 12, 03:35 UTC1h 40m
2026-07-11 DAL2546 - Jul 11, 22:01 UTCJul 11, 22:35 UTC35m
2026-07-11 DAL2546 - Jul 11, 19:15 UTCJul 11, 20:00 UTC45m
2026-07-11 DAL3045 - Jul 11, 16:50 UTCJul 11, 17:35 UTC45m
2026-07-11 DAL3045 ATL → ECP Jul 11, 15:00 UTCJul 11, 15:45 UTC45m
2026-07-11 DAL1604 - Jul 11, 04:10 UTCJul 11, 04:55 UTC45m
2026-07-11 DAL1473 - Jul 11, 01:35 UTCJul 11, 02:25 UTC50m
2026-07-10 DAL2546 - Jul 10, 22:45 UTCJul 10, 23:20 UTC35m
2026-07-10 DAL2546 - Jul 10, 19:40 UTCJul 10, 20:20 UTC40m
2026-07-10 DAL3096 - Jul 10, 17:25 UTCJul 10, 18:20 UTC55m
2026-07-10 DAL3096 ATL → LEX Jul 10, 15:05 UTCJul 10, 15:55 UTC50m
2026-07-10 DAL1158 OKC → ATL Jul 10, 12:10 UTCJul 10, 13:55 UTC1h 45m
2026-07-10 DAL2784 ATL → OKC Jul 10, 00:20 UTCJul 10, 02:00 UTC1h 40m
2026-07-09 DAL3163 - Jul 9, 21:15 UTCJul 9, 21:55 UTC40m
2026-07-09 DAL3163 - Jul 9, 19:25 UTCJul 9, 19:50 UTC25m
2026-07-09 DAL3040 - Jul 9, 16:55 UTCJul 9, 18:05 UTC1h 10m
2026-07-09 DAL3040 - Jul 9, 14:45 UTCJul 9, 15:45 UTC1h 0m
2026-07-09 DAL1369 ATL → GRR Jul 9, 12:30 UTCJul 9, 13:00 UTC30m
2026-07-09 DAL3202 - Jul 9, 00:15 UTCJul 9, 00:40 UTC25m
2026-07-08 DAL3027 LIT → ATL Jul 8, 21:10 UTCJul 8, 22:20 UTC1h 10m
2026-07-08 DAL3027 - Jul 8, 18:40 UTCJul 8, 19:40 UTC1h 0m
2026-07-08 DAL3052 - Jul 8, 16:45 UTCJul 8, 17:40 UTC55m
2026-07-08 DAL3052 GSO → ATL Jul 8, 16:40 UTCJul 8, 17:34 UTC54m
2026-07-08 DAL3052 - Jul 8, 14:40 UTCJul 8, 15:25 UTC45m
2026-07-08 DAL1565 - Jul 8, 10:30 UTCJul 8, 11:35 UTC1h 5m
2026-07-08 DAL2701 ATL → LIT Jul 8, 02:46 UTCJul 8, 03:48 UTC1h 2m
2026-07-08 DAL2701 - Jul 8, 02:50 UTCJul 8, 03:45 UTC55m
2026-07-08 DAL1093 - Jul 8, 00:05 UTCJul 8, 00:55 UTC50m
2026-07-07 DAL1093 - Jul 7, 22:05 UTCJul 7, 22:45 UTC40m
2026-07-07 DAL2048 - Jul 7, 18:10 UTCJul 7, 19:00 UTC50m
2026-07-07 DAL2048 - Jul 7, 14:25 UTCJul 7, 15:05 UTC40m
2026-07-07 DAL3009 - Jul 7, 12:20 UTCJul 7, 12:50 UTC30m
2026-07-07 DAL3022 ATL → HSV Jul 7, 03:15 UTCJul 7, 03:45 UTC30m
2026-07-06 DAL2128 - Jul 6, 23:50 UTCJul 7, 01:40 UTC1h 50m
2026-07-06 DAL2128 ICT → ATL Jul 6, 23:45 UTCJul 7, 01:36 UTC1h 51m
2026-07-06 DAL2128 ATL → ICT Jul 6, 20:50 UTCJul 6, 22:30 UTC1h 40m

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 N922AT page for operator, model, and routing details .

Mode-S ACC5AA frequently asked

What is Mode-S code ACC5AA?
ACC5AA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N922AT.
Where is Mode-S ACC5AA registered?
Mode-S code ACC5AA 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 ACC5AA broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ACC5AA, octal 53142652, decimal 11,322,794.
What flights does ACC5AA operate?
Mode-S ACC5AA has broadcast 20 distinct callsigns, including DAL2331, DAL2681, DAL3033, DAL2480, DAL1787.