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 Jul 26, 21:50 UTC
Flights observed
724
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:50 UTC

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
DAL2681 - 14 2026-07-17
DAL2331 - 14 2026-07-13
DAL1017 Delta Air Lines 13 2026-07-25
DAL3163 Delta Air Lines 11 2026-07-26
DAL3040 Delta Air Lines 11 2026-07-26
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
DAL3182 Delta Air Lines 7 2026-06-08
DAL3180 - 7 2026-07-17
DAL2620 Delta Air Lines 7 2026-07-22
DAL2381 - 7 2026-06-29
DAL3193 - 6 2026-07-14
DAL2763 Delta Air Lines 6 2026-07-23
DAL2358 Delta Air Lines 6 2026-05-22
DAL2232 Delta Air Lines 6 2026-05-20
DAL2182 - 6 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DAL3163 BWI → DTW Jul 26, 21:10 UTCJul 26, 21:45 UTC35m
2026-07-26 DAL3163 BWI → DTW Jul 26, 19:20 UTCJul 26, 19:40 UTC20m
2026-07-26 DAL3040 ATL → LIT Jul 26, 16:50 UTCJul 26, 17:55 UTC1h 5m
2026-07-26 DAL3040 ATL → LIT Jul 26, 16:45 UTCJul 26, 17:52 UTC1h 7m
2026-07-26 DAL3040 ATL → LIT Jul 26, 14:45 UTCJul 26, 15:45 UTC1h 0m
2026-07-26 DAL1085 JFK → LAX Jul 26, 12:20 UTCJul 26, 13:10 UTC50m
2026-07-26 DAL1085 JFK → LAX Jul 26, 12:15 UTCJul 26, 13:08 UTC53m
2026-07-25 DAL3017 ATL → GSO Jul 25, 23:00 UTCJul 25, 23:45 UTC45m
2026-07-25 DAL1017 ATL → JFK Jul 25, 19:50 UTCJul 25, 20:20 UTC30m
2026-07-25 DAL1017 ATL → JFK Jul 25, 19:43 UTCJul 25, 20:14 UTC31m
2026-07-25 DAL1017 ATL → JFK Jul 25, 18:00 UTCJul 25, 18:25 UTC25m
2026-07-25 DAL3100 ATL → BHM Jul 25, 14:55 UTCJul 25, 15:30 UTC35m
2026-07-25 DAL3100 ATL → BHM Jul 25, 13:35 UTCJul 25, 14:00 UTC25m
2026-07-24 DAL1110 ATL → PHL Jul 24, 22:40 UTCJul 24, 23:40 UTC1h 0m
2026-07-24 DAL1110 ATL → PHL Jul 24, 20:30 UTCJul 24, 21:20 UTC50m
2026-07-24 DAL940 LAX → TPA Jul 24, 17:55 UTCJul 24, 18:45 UTC50m
2026-07-24 DAL940 LAX → TPA Jul 24, 16:20 UTCJul 24, 17:00 UTC40m
2026-07-24 DAL1010 DFW → DTW Jul 24, 14:35 UTCJul 24, 15:10 UTC35m
2026-07-24 DAL1010 DFW → DTW Jul 24, 14:30 UTCJul 24, 15:11 UTC41m
2026-07-24 DAL1010 DFW → DTW Jul 24, 12:45 UTCJul 24, 13:25 UTC40m
2026-07-24 DAL3140 DAY → ATL Jul 24, 10:10 UTCJul 24, 11:30 UTC1h 20m
2026-07-24 DAL3167 ATL → DAY Jul 24, 02:40 UTCJul 24, 03:40 UTC1h 0m
2026-07-24 DAL1516 JFK → RSW Jul 24, 00:50 UTCJul 24, 01:25 UTC35m
2026-07-23 DAL1516 JFK → RSW Jul 23, 23:15 UTCJul 23, 23:55 UTC40m
2026-07-23 DAL1516 JFK → RSW Jul 23, 23:15 UTCJul 23, 23:52 UTC37m
2026-07-23 DAL2763 JFK → FLL Jul 23, 20:15 UTCJul 23, 21:30 UTC1h 15m
2026-07-23 DAL2763 JFK → FLL Jul 23, 20:11 UTCJul 23, 21:24 UTC1h 13m
2026-07-23 DAL2763 JFK → FLL Jul 23, 18:05 UTCJul 23, 19:10 UTC1h 5m
2026-07-23 DAL3118 MLB → ATL Jul 23, 15:50 UTCJul 23, 16:50 UTC1h 0m
2026-07-23 DAL3118 MLB → ATL Jul 23, 13:35 UTCJul 23, 14:45 UTC1h 10m
2026-07-23 DAL1727 ATL → PVD Jul 23, 10:30 UTCJul 23, 11:10 UTC40m
2026-07-23 DAL1727 ATL → PVD Jul 23, 10:27 UTCJul 23, 11:09 UTC42m
2026-07-23 DAL1569 SEA → LAX Jul 23, 01:50 UTCJul 23, 02:35 UTC45m
2026-07-22 DAL3043 ATL → MLB Jul 22, 22:50 UTCJul 22, 23:55 UTC1h 5m
2026-07-22 DAL3043 ATL → MLB Jul 22, 22:45 UTCJul 22, 23:53 UTC1h 8m
2026-07-22 DAL3043 ATL → MLB Jul 22, 20:40 UTCJul 22, 21:50 UTC1h 10m
2026-07-22 DAL2620 RDU → BOS Jul 22, 17:40 UTCJul 22, 19:10 UTC1h 30m
2026-07-22 DAL2620 RDU → BOS Jul 22, 17:37 UTCJul 22, 19:05 UTC1h 28m
2026-07-22 DAL2620 RDU → BOS Jul 22, 15:10 UTCJul 22, 16:35 UTC1h 25m
2026-07-22 DAL2802 - Jul 22, 12:45 UTCJul 22, 13:30 UTC45m
2026-07-21 DAL1490 ATL → BNA Jul 21, 23:30 UTCJul 22, 00:15 UTC45m
2026-07-21 DAL1490 ATL → BNA Jul 21, 23:30 UTCJul 22, 00:13 UTC43m
2026-07-21 DAL2823 SLC → SEA Jul 21, 20:50 UTCJul 21, 21:30 UTC40m
2026-07-21 DAL2823 SLC → SEA Jul 21, 19:10 UTCJul 21, 19:55 UTC45m
2026-07-21 DAL1704 DTW → FLL Jul 21, 16:35 UTCJul 21, 18:10 UTC1h 35m
2026-07-21 DAL1704 DTW → FLL Jul 21, 13:45 UTCJul 21, 15:30 UTC1h 45m
2026-07-21 DAL2379 ATL → HPN Jul 21, 10:35 UTCJul 21, 12:20 UTC1h 45m
2026-07-21 DAL1616 - Jul 21, 00:40 UTCJul 21, 02:40 UTC2h 0m
2026-07-20 DAL3027 ATL → LIT Jul 20, 21:05 UTCJul 20, 22:20 UTC1h 15m
2026-07-20 DAL3027 ATL → LIT Jul 20, 18:50 UTCJul 20, 19:50 UTC1h 0m

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 Jul 26, 21:50 UTC.
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 DAL2681, DAL2331, DAL1017, DAL3163, DAL3040.