Apparatus

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sensors Mode-S transponder

ADE8FF

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N996AT · BOEING 717-200 · operated by DELTA AIR LINES INC

Hex
ADE8FF
Octal
53364377
Decimal
11,397,375
Country
US
Tail
N996AT
Type
B712
No current signal · last broadcast 3h ago
Flights observed
328
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S ADE8FF.

Country allocation

The ICAO 24-bit address ADE8FF 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
DAL2973 Delta Air Lines 6 2026-06-01
DAL1622 - 6 2026-07-08
DAL3096 - 5 2026-07-14
DAL3068 - 5 2026-07-04
DAL3026 - 5 2026-06-29
DAL3167 - 4 2026-07-06
DAL3163 - 4 2026-06-22
DAL3143 - 4 2026-07-12
DAL3142 - 4 2026-07-04
DAL3127 - 4 2026-07-06
DAL3032 - 4 2026-06-15
DAL2862 - 4 2026-06-23
DAL2832 - 4 2026-07-13
DAL2727 - 4 2026-07-13
DAL2179 - 4 2026-07-09
DAL1687 - 4 2026-07-05
DAL1286 - 4 2026-07-10
DAL1273 - 4 2026-07-05
DAL1155 - 4 2026-07-13
DAL1149 - 4 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 DAL2701 - Jul 15, 01:05 UTCJul 15, 02:05 UTC1h 0m
2026-07-14 DAL1868 - Jul 14, 21:50 UTCJul 14, 22:35 UTC45m
2026-07-14 DAL1868 - Jul 14, 20:05 UTCJul 14, 20:45 UTC40m
2026-07-14 DAL3096 LEX → ATL Jul 14, 17:15 UTCJul 14, 18:20 UTC1h 5m
2026-07-14 DAL3096 ATL → LEX Jul 14, 15:10 UTCJul 14, 15:55 UTC45m
2026-07-14 DAL1625 - Jul 14, 12:30 UTCJul 14, 13:20 UTC50m
2026-07-14 DAL1625 MEM → ATL Jul 14, 12:28 UTCJul 14, 13:21 UTC53m
2026-07-13 DAL2384 - Jul 13, 23:45 UTCJul 14, 00:40 UTC55m
2026-07-13 DAL2832 - Jul 13, 20:35 UTCJul 13, 21:15 UTC40m
2026-07-13 DAL2832 - Jul 13, 18:05 UTCJul 13, 18:50 UTC45m
2026-07-13 DAL1155 BNA → ATL Jul 13, 16:00 UTCJul 13, 16:45 UTC45m
2026-07-13 DAL1155 ATL → BNA Jul 13, 14:05 UTCJul 13, 14:40 UTC35m
2026-07-13 DAL2727 - Jul 13, 11:00 UTCJul 13, 12:50 UTC1h 50m
2026-07-13 DAL2306 ATL → DSM Jul 13, 02:15 UTCJul 13, 04:00 UTC1h 45m
2026-07-12 DAL2153 - Jul 12, 23:05 UTCJul 12, 23:40 UTC35m
2026-07-12 DAL2153 CAE → ATL Jul 12, 23:01 UTCJul 12, 23:41 UTC40m
2026-07-12 DAL2153 - Jul 12, 21:15 UTCJul 12, 21:45 UTC30m
2026-07-12 DAL2044 - Jul 12, 17:25 UTCJul 12, 20:05 UTC2h 40m
2026-07-12 DAL2044 HPN → ATL Jul 12, 17:21 UTCJul 12, 19:59 UTC2h 38m
2026-07-12 DAL2044 - Jul 12, 14:01 UTCJul 12, 15:55 UTC1h 55m
2026-07-12 DAL2216 - Jul 12, 10:55 UTCJul 12, 12:35 UTC1h 40m
2026-07-12 DAL2959 ATL → ICT Jul 12, 03:20 UTCJul 12, 05:10 UTC1h 50m
2026-07-12 DAL3143 - Jul 12, 00:25 UTCJul 12, 01:15 UTC50m
2026-07-11 DAL3143 ATL → LEX Jul 11, 21:30 UTCJul 11, 22:15 UTC45m
2026-07-11 DAL1444 IAD → ATL Jul 11, 17:55 UTCJul 11, 20:00 UTC2h 5m
2026-07-11 DAL1444 IAD → ATL Jul 11, 17:51 UTCJul 11, 19:58 UTC2h 7m
2026-07-11 DAL1444 ATL → IAD Jul 11, 15:20 UTCJul 11, 16:40 UTC1h 20m
2026-07-11 DAL1625 - Jul 11, 12:35 UTCJul 11, 13:25 UTC50m
2026-07-11 DAL2501 - Jul 11, 03:20 UTCJul 11, 04:15 UTC55m
2026-07-11 DAL1235 - Jul 11, 00:30 UTCJul 11, 01:35 UTC1h 5m
2026-07-11 DAL1235 LEX → ATL Jul 11, 00:29 UTCJul 11, 01:28 UTC59m
2026-07-10 DAL1235 ATL → LEX Jul 10, 22:50 UTCJul 10, 23:35 UTC45m
2026-07-10 DAL2832 - Jul 10, 19:50 UTCJul 10, 21:00 UTC1h 10m
2026-07-10 DAL2832 - Jul 10, 18:00 UTCJul 10, 18:35 UTC35m
2026-07-10 DAL1286 - Jul 10, 15:55 UTCJul 10, 16:45 UTC50m
2026-07-10 DAL1286 - Jul 10, 13:50 UTCJul 10, 14:25 UTC35m
2026-07-10 DAL1680 - Jul 10, 11:10 UTCJul 10, 12:25 UTC1h 15m
2026-07-10 DAL1105 - Jul 10, 01:25 UTCJul 10, 02:55 UTC1h 30m
2026-07-09 DAL3050 - Jul 9, 23:30 UTCJul 10, 00:15 UTC45m
2026-07-09 DAL3050 - Jul 9, 21:35 UTCJul 9, 22:25 UTC50m
2026-07-09 DAL2179 - Jul 9, 18:35 UTCJul 9, 19:20 UTC45m
2026-07-09 DAL2179 ATL → CHS Jul 9, 16:40 UTCJul 9, 17:30 UTC50m
2026-07-09 DAL1149 - Jul 9, 14:35 UTCJul 9, 15:30 UTC55m
2026-07-09 DAL1149 MEM → ATL Jul 9, 14:30 UTCJul 9, 15:22 UTC52m
2026-07-08 DAL2939 - Jul 8, 22:10 UTCJul 8, 23:00 UTC50m
2026-07-08 DAL1681 - Jul 8, 19:50 UTCJul 8, 20:45 UTC55m
2026-07-08 DAL1681 - Jul 8, 17:50 UTCJul 8, 18:35 UTC45m
2026-07-08 DAL1622 - Jul 8, 16:10 UTCJul 8, 16:35 UTC25m
2026-07-08 DAL1622 AGS → ATL Jul 8, 16:05 UTCJul 8, 16:35 UTC30m
2026-07-08 DAL1622 ATL → AGS Jul 8, 14:35 UTCJul 8, 15:10 UTC35m

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 N996AT page for operator, model, and routing details .

Mode-S ADE8FF frequently asked

What is Mode-S code ADE8FF?
ADE8FF is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N996AT.
Where is Mode-S ADE8FF registered?
Mode-S code ADE8FF 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 ADE8FF broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ADE8FF, octal 53364377, decimal 11,397,375.
What flights does ADE8FF operate?
Mode-S ADE8FF has broadcast 20 distinct callsigns, including DAL2973, DAL1622, DAL3096, DAL3068, DAL3026.