Apparatus

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sensors Mode-S transponder

A00C7A

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N102DN · AIRBUS A-321 · operated by DELTA AIR LINES INC

Hex
A00C7A
Octal
50006172
Decimal
10,488,954
Country
US
Tail
N102DN
Type
A321
No current signal · last broadcast Jul 26, 22:20 UTC
Flights observed
501
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:20 UTC

Last known position

Most recent position reported by Mode-S A00C7A.

Country allocation

The ICAO 24-bit address A00C7A 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
DAL2849 Delta Air Lines 8 2026-07-26
DAL2520 - 8 2026-07-14
DAL2564 - 7 2026-06-21
DAL2465 - 7 2026-07-13
DAL490 - 6 2026-07-07
DAL1181 Delta Air Lines 6 2026-06-09
DAL995 Delta Air Lines 5 2026-06-17
DAL988 - 5 2026-07-15
DAL969 - 5 2026-07-06
DAL964 Delta Air Lines 5 2026-06-07
DAL680 - 5 2026-07-16
DAL525 - 5 2026-07-06
DAL371 - 5 2026-07-15
DAL323 Delta Air Lines 5 2026-06-09
DAL2396 Delta Air Lines 5 2026-05-06
DAL2235 - 5 2026-07-17
DAL1675 Delta Air Lines 5 2026-06-05
DAL1508 Delta Air Lines 5 2026-05-13
DAL1177 - 5 2026-06-29
DAL1073 - 5 2026-04-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DAL2612 MSY → ATL Jul 26, 20:45 UTCJul 26, 22:15 UTC1h 30m
2026-07-26 DAL2849 DCA → DTW Jul 26, 17:20 UTCJul 26, 18:55 UTC1h 35m
2026-07-26 DAL2849 DCA → DTW Jul 26, 14:10 UTCJul 26, 15:55 UTC1h 45m
2026-07-25 DAL1878 CUN → MSP Jul 25, 19:25 UTCJul 25, 22:55 UTC3h 30m
2026-07-25 DAL1881 MSP → CUN Jul 25, 14:11 UTCJul 25, 17:47 UTC3h 36m
2026-07-25 DAL1881 MSP → CUN Jul 25, 14:15 UTCJul 25, 17:55 UTC3h 40m
2026-07-25 DAL2612 MSY → ATL Jul 25, 01:25 UTCJul 25, 03:20 UTC1h 55m
2026-07-24 DAL2612 MSY → ATL Jul 24, 22:30 UTCJul 25, 00:05 UTC1h 35m
2026-07-24 DAL1103 MCO → MSP Jul 24, 16:00 UTCJul 24, 18:45 UTC2h 45m
2026-07-24 DAL2649 TPA → BOS Jul 24, 12:15 UTCJul 24, 14:30 UTC2h 15m
2026-07-23 DAL2274 DTW → SFO Jul 23, 21:30 UTCJul 24, 00:20 UTC2h 50m
2026-07-23 DAL2274 DTW → SFO Jul 23, 17:15 UTCJul 23, 20:00 UTC2h 45m
2026-07-23 DAL1308 SFO → MSP Jul 23, 13:10 UTCJul 23, 15:55 UTC2h 45m
2026-07-23 DAL2614 ORD → LGA Jul 23, 06:45 UTCJul 23, 08:50 UTC2h 5m
2026-07-23 DAL756 MSP → LAX Jul 23, 02:00 UTCJul 23, 05:05 UTC3h 5m
2026-07-22 DAL756 MSP → LAX Jul 22, 20:50 UTCJul 23, 00:25 UTC3h 35m
2026-07-21 DAL1047 PHX → MSP Jul 21, 18:40 UTCJul 21, 21:25 UTC2h 45m
2026-07-21 DAL1047 MSP → PHX Jul 21, 14:45 UTCJul 21, 17:25 UTC2h 40m
2026-07-20 DAL2062 AUS → MSP Jul 20, 20:55 UTCJul 20, 23:10 UTC2h 15m
2026-07-20 DAL2062 AUS → MSP Jul 20, 17:20 UTCJul 20, 19:30 UTC2h 10m
2026-07-19 DAL2078 MSO → MSP Jul 19, 20:35 UTCJul 19, 23:35 UTC3h 0m
2026-07-19 DAL2078 MSO → MSP Jul 19, 15:30 UTCJul 19, 18:50 UTC3h 20m
2026-07-19 DAL2452 - Jul 19, 13:15 UTCJul 19, 14:00 UTC45m
2026-07-19 DAL2295 MSP → FAR Jul 19, 03:35 UTCJul 19, 04:15 UTC40m
2026-07-19 DAL2271 CVG → RSW Jul 19, 00:30 UTCJul 19, 02:00 UTC1h 30m
2026-07-18 DAL957 JFK → SFO Jul 18, 20:05 UTCJul 18, 22:45 UTC2h 40m
2026-07-18 DAL992 LGA → ATL Jul 18, 14:10 UTCJul 18, 16:09 UTC1h 59m
2026-07-18 DAL992 LGA → ATL Jul 18, 14:10 UTCJul 18, 16:10 UTC2h 0m
2026-07-18 DAL434 ATL → LGA Jul 18, 00:55 UTCJul 18, 02:45 UTC1h 50m
2026-07-18 DAL434 ATL → LGA Jul 18, 00:53 UTCJul 18, 02:43 UTC1h 50m
2026-07-17 DAL2235 BNA → ATL Jul 17, 22:05 UTCJul 17, 22:45 UTC40m
2026-07-17 DAL2235 DEN → BNA Jul 17, 16:04 UTCJul 17, 19:35 UTC3h 30m
2026-07-17 DAL2235 DEN → BNA Jul 17, 16:00 UTCJul 17, 19:31 UTC3h 31m
2026-07-17 DAL2235 ATL → DEN Jul 17, 11:35 UTCJul 17, 14:04 UTC2h 30m
2026-07-17 DAL828 - Jul 17, 06:00 UTCJul 17, 09:50 UTC3h 50m
2026-07-16 DAL680 ATL → SAN Jul 16, 23:15 UTCJul 17, 02:59 UTC3h 45m
2026-07-16 DAL1983 - Jul 16, 19:35 UTCJul 16, 20:55 UTC1h 20m
2026-07-16 DAL754 - Jul 16, 14:00 UTCJul 16, 18:05 UTC4h 5m
2026-07-15 DAL680 ATL → SAN Jul 15, 22:50 UTCJul 16, 02:40 UTC3h 50m
2026-07-15 DAL680 ATL → SAN Jul 15, 22:45 UTCJul 16, 02:32 UTC3h 47m
2026-07-15 DAL988 LGA → ATL Jul 15, 19:25 UTCJul 15, 21:05 UTC1h 40m
2026-07-15 DAL371 ATL → LGA Jul 15, 14:45 UTCJul 15, 16:35 UTC1h 50m
2026-07-15 DAL342 LGA → ATL Jul 15, 11:15 UTCJul 15, 12:55 UTC1h 40m
2026-07-15 DAL520 ATL → LGA Jul 15, 01:30 UTCJul 15, 03:20 UTC1h 50m
2026-07-15 DAL520 ATL → LGA Jul 15, 01:30 UTCJul 15, 03:14 UTC1h 44m
2026-07-14 DAL581 - Jul 14, 21:40 UTCJul 14, 23:25 UTC1h 44m
2026-07-14 DAL581 - Jul 14, 19:40 UTCJul 14, 19:55 UTC15m
2026-07-14 DAL582 ATL → AUA Jul 14, 14:10 UTCJul 14, 17:45 UTC3h 35m
2026-07-14 DAL582 ATL → AUA Jul 14, 14:08 UTCJul 14, 17:42 UTC3h 34m
2026-07-14 DAL550 LGA → ATL Jul 14, 10:15 UTCJul 14, 12:00 UTC1h 45m

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 N102DN page for operator, model, and routing details .

Mode-S A00C7A frequently asked

What is Mode-S code A00C7A?
A00C7A is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N102DN.
Where is Mode-S A00C7A registered?
Mode-S code A00C7A 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 A00C7A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A00C7A, octal 50006172, decimal 10,488,954.
What flights does A00C7A operate?
Mode-S A00C7A has broadcast 20 distinct callsigns, including DAL2849, DAL2520, DAL2564, DAL2465, DAL490.