Apparatus

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sensors Mode-S transponder

A3F4EA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N354NW · AIRBUS A-320 · operated by DELTA AIR LINES INC

Hex
A3F4EA
Octal
50772352
Decimal
10,745,066
Country
US
Tail
N354NW
Type
A320
Broadcasting now · callsign DAL2488 · 33,975 ft
Flights observed
508
Distinct callsigns
20
Country
US
Last broadcast
11m ago

Current position

A3F4EA is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A3F4EA 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
DAL380 Delta Air Lines 12 2026-06-06
DAL2800 Delta Air Lines 10 2026-07-03
DAL775 Delta Air Lines 9 2026-06-10
DAL1360 - 9 2026-07-10
DAL1343 Delta Air Lines 9 2026-05-24
DAL926 Delta Air Lines 8 2026-06-13
DAL2796 - 8 2026-07-03
DAL1408 Delta Air Lines 8 2026-06-05
DAL950 Delta Air Lines 7 2026-05-01
DAL850 Delta Air Lines 7 2026-06-12
DAL325 Delta Air Lines 7 2026-06-08
DAL2392 - 7 2026-06-23
DAL1121 Delta Air Lines 7 2026-07-05
DAL832 Delta Air Lines 6 2026-06-11
DAL360 Delta Air Lines 6 2026-06-13
DAL2746 Delta Air Lines 6 2026-05-23
DAL2490 Delta Air Lines 6 2026-05-31
DAL2316 - 6 2026-07-12
DAL2050 - 6 2026-07-05
DAL1291 - 6 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 DAL2488 - Jul 14, 05:05 UTCJul 14, 06:30 UTC1h 25m
2026-07-14 DAL2873 - Jul 14, 01:50 UTCJul 14, 03:45 UTC1h 55m
2026-07-13 DAL1543 - Jul 13, 20:15 UTCJul 13, 22:45 UTC2h 30m
2026-07-13 DAL2333 - Jul 13, 15:50 UTCJul 13, 17:40 UTC1h 50m
2026-07-13 DAL2333 - Jul 13, 12:35 UTCJul 13, 14:25 UTC1h 50m
2026-07-13 DAL2996 - Jul 13, 10:05 UTCJul 13, 11:15 UTC1h 10m
2026-07-13 DAL2660 - Jul 13, 02:50 UTCJul 13, 03:55 UTC1h 5m
2026-07-12 DAL2994 - Jul 12, 23:25 UTCJul 13, 01:15 UTC1h 50m
2026-07-12 DAL2994 - Jul 12, 19:20 UTCJul 12, 21:30 UTC2h 10m
2026-07-12 DAL1145 - Jul 12, 15:50 UTCJul 12, 17:10 UTC1h 20m
2026-07-12 DAL1145 - Jul 12, 13:01 UTCJul 12, 14:15 UTC1h 15m
2026-07-12 DAL2996 - Jul 12, 10:05 UTCJul 12, 11:20 UTC1h 15m
2026-07-12 DAL2660 - Jul 12, 05:45 UTCJul 12, 06:50 UTC1h 5m
2026-07-12 DAL2316 - Jul 12, 00:25 UTCJul 12, 01:30 UTC1h 5m
2026-07-11 DAL2316 - Jul 11, 21:50 UTCJul 11, 23:05 UTC1h 15m
2026-07-11 DAL1145 - Jul 11, 16:40 UTCJul 11, 18:05 UTC1h 25m
2026-07-11 DAL1145 - Jul 11, 13:35 UTCJul 11, 14:55 UTC1h 20m
2026-07-11 DAL1441 - Jul 11, 00:00 UTCJul 11, 02:00 UTC2h 0m
2026-07-10 DAL2811 SLC → DFW Jul 10, 20:10 UTCJul 10, 22:15 UTC2h 5m
2026-07-10 DAL920 - Jul 10, 17:40 UTCJul 10, 19:00 UTC1h 20m
2026-07-10 DAL920 - Jul 10, 14:30 UTCJul 10, 16:20 UTC1h 50m
2026-07-10 DAL1360 - Jul 10, 11:25 UTCJul 10, 12:20 UTC55m
2026-07-10 DAL1340 - Jul 10, 03:40 UTCJul 10, 04:30 UTC50m
2026-07-09 DAL2812 DFW → SLC Jul 9, 23:50 UTCJul 10, 02:05 UTC2h 15m
2026-07-09 DAL2971 MSP → DFW Jul 9, 20:20 UTCJul 9, 22:20 UTC2h 0m
2026-07-09 DAL2971 MSP → DFW Jul 9, 20:18 UTCJul 9, 22:12 UTC1h 54m
2026-07-09 DAL2864 - Jul 9, 16:30 UTCJul 9, 18:55 UTC2h 25m
2026-07-09 DAL2864 MSP → EWR Jul 9, 12:20 UTCJul 9, 14:25 UTC2h 5m
2026-07-09 DAL2237 - Jul 9, 10:05 UTCJul 9, 10:45 UTC40m
2026-07-08 DAL2278 MSP → FAR Jul 8, 23:35 UTCJul 9, 00:10 UTC35m
2026-07-08 DAL2278 MSP → FAR Jul 8, 23:30 UTCJul 9, 00:06 UTC36m
2026-07-08 DAL2017 - Jul 8, 16:40 UTCJul 8, 19:00 UTC2h 20m
2026-07-08 DAL1744 - Jul 8, 14:20 UTCJul 8, 15:05 UTC45m
2026-07-08 DAL1744 SLC → BOI Jul 8, 14:18 UTCJul 8, 15:04 UTC46m
2026-07-08 DAL2173 - Jul 8, 12:05 UTCJul 8, 12:50 UTC45m
2026-07-08 DAL2111 SLC → BOI Jul 8, 04:55 UTCJul 8, 05:45 UTC50m
2026-07-08 DAL1088 SFO → SLC Jul 8, 01:35 UTCJul 8, 02:55 UTC1h 20m
2026-07-08 DAL1088 SFO → SLC Jul 8, 01:35 UTCJul 8, 02:54 UTC1h 19m
2026-07-07 DAL1088 SLC → SFO Jul 7, 22:55 UTCJul 8, 00:30 UTC1h 35m
2026-07-07 DAL1754 - Jul 7, 20:30 UTCJul 7, 21:25 UTC55m
2026-07-07 DAL1754 BOI → SLC Jul 7, 20:29 UTCJul 7, 21:23 UTC54m
2026-07-07 DAL2304 BDL → MSP Jul 7, 16:10 UTCJul 7, 18:45 UTC2h 35m
2026-07-07 DAL2304 BDL → MSP Jul 7, 16:06 UTCJul 7, 18:37 UTC2h 31m
2026-07-07 DAL2304 BDL → MSP Jul 7, 13:55 UTCJul 7, 14:55 UTC1h 0m
2026-07-06 DAL2062 AUS → MSP Jul 6, 19:05 UTCJul 6, 21:25 UTC2h 20m
2026-07-06 DAL2062 MSP → AUS Jul 6, 15:25 UTCJul 6, 17:30 UTC2h 5m
2026-07-06 DAL2808 - Jul 6, 11:35 UTCJul 6, 13:55 UTC2h 20m
2026-07-06 DAL2488 - Jul 6, 03:30 UTCJul 6, 06:00 UTC2h 30m
2026-07-06 DAL1751 MIA → BOS Jul 6, 00:40 UTCJul 6, 02:20 UTC1h 40m
2026-07-05 DAL2050 ATL → BUF Jul 5, 21:25 UTCJul 5, 22:55 UTC1h 30m

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 N354NW page for operator, model, and routing details .

Mode-S A3F4EA frequently asked

What is Mode-S code A3F4EA?
A3F4EA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N354NW.
Where is Mode-S A3F4EA registered?
Mode-S code A3F4EA 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 A3F4EA broadcasting right now?
Yes. Mode-S A3F4EA is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A3F4EA, octal 50772352, decimal 10,745,066.
What flights does A3F4EA operate?
Mode-S A3F4EA has broadcast 20 distinct callsigns, including DAL380, DAL2800, DAL775, DAL1360, DAL1343.