Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

AAF1FA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N804NW · AIRBUS A-330-300 · operated by DELTA AIR LINES INC

Hex
AAF1FA
Octal
52570772
Decimal
11,203,066
Country
US
Tail
N804NW
Type
A333
Broadcasting now · callsign DAL194 · 37,000 ft
Flights observed
273
Distinct callsigns
20
Country
US
Last broadcast
Jul 25, 18:05 UTC

Current position

AAF1FA is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AAF1FA 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
DAL309 Delta Air Lines 14 2026-07-21
DAL837 Delta Air Lines 12 2026-07-20
DAL313 Delta Air Lines 12 2026-07-20
DAL228 Delta Air Lines 11 2026-07-24
DAL312 - 10 2026-07-20
DAL310 Delta Air Lines 9 2026-04-24
DAL307 Delta Air Lines 9 2026-04-24
DAL207 Delta Air Lines 9 2026-07-24
DAL195 - 9 2026-07-14
DAL153 Delta Air Lines 9 2026-07-25
DAL152 - 9 2026-07-11
DAL75 - 8 2026-07-16
DAL74 - 7 2026-07-15
DAL277 Delta Air Lines 7 2026-07-23
DAL250 - 7 2026-07-14
DAL229 - 7 2026-07-12
DAL176 Delta Air Lines 7 2026-07-17
DAL112 Delta Air Lines 7 2026-07-23
DAL83 Delta Air Lines 6 2026-04-27
DAL206 - 6 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 DAL153 FCO → JFK Jul 25, 09:20 UTCJul 25, 17:55 UTC8h 35m
2026-07-24 DAL228 CVG → CDG Jul 24, 23:05 UTCJul 25, 06:10 UTC7h 5m
2026-07-24 DAL228 CVG → CDG Jul 24, 23:02 UTCJul 25, 06:19 UTC7h 17m
2026-07-24 DAL207 FCO → DTW Jul 24, 07:15 UTCJul 24, 08:30 UTC1h 15m
2026-07-24 DAL207 FCO → DTW Jul 24, 07:14 UTCJul 24, 16:22 UTC9h 8m
2026-07-24 DAL207 FCO → DTW Jul 24, 07:14 UTCJul 24, 16:36 UTC9h 22m
2026-07-23 DAL112 BOS → FCO Jul 23, 22:30 UTCJul 24, 04:40 UTC6h 10m
2026-07-23 DAL112 BOS → FCO Jul 23, 21:25 UTCJul 23, 22:25 UTC1h 0m
2026-07-23 DAL277 HNL → KIX Jul 23, 11:35 UTCJul 23, 19:15 UTC7h 40m
2026-07-23 DAL277 HNL → KIX Jul 23, 11:34 UTCJul 23, 19:10 UTC7h 36m
2026-07-23 DAL276 HND → DTW Jul 23, 01:46 UTCJul 23, 08:55 UTC7h 9m
2026-07-23 DAL276 HND → DTW Jul 23, 01:50 UTCJul 23, 06:30 UTC4h 40m
2026-07-22 DAL251 - Jul 22, 15:10 UTCJul 22, 16:30 UTC1h 20m
2026-07-22 DAL251 NAS → MIA Jul 22, 15:10 UTCJul 22, 22:49 UTC7h 39m
2026-07-22 DAL194 ATL → BCN Jul 22, 11:10 UTCJul 22, 11:15 UTC5m
2026-07-22 DAL194 ATL → BCN Jul 22, 02:30 UTCJul 22, 10:25 UTC7h 55m
2026-07-21 DAL309 IAD → SEA Jul 21, 05:05 UTCJul 21, 10:00 UTC4h 55m
2026-07-21 DAL309 IAD → SEA Jul 21, 01:30 UTCJul 21, 01:50 UTC20m
2026-07-20 DAL312 - Jul 20, 23:25 UTCJul 20, 23:45 UTC20m
2026-07-20 DAL312 - Jul 20, 15:30 UTCJul 20, 19:05 UTC3h 35m
2026-07-20 DAL313 BOS → LAX Jul 20, 07:20 UTCJul 20, 10:45 UTC3h 25m
2026-07-20 DAL313 BOS → LAX Jul 20, 03:35 UTCJul 20, 03:55 UTC20m
2026-07-20 DAL837 ATL → HNL Jul 20, 01:00 UTCJul 20, 01:20 UTC20m
2026-07-19 DAL837 ATL → HNL Jul 19, 16:25 UTCJul 19, 20:50 UTC4h 25m
2026-07-18 DAL175 MXP → ATL Jul 18, 10:25 UTCJul 18, 20:05 UTC9h 40m
2026-07-17 DAL174 ATL → MXP Jul 17, 22:54 UTCJul 18, 07:34 UTC8h 40m
2026-07-17 DAL174 ATL → MXP Jul 17, 22:55 UTCJul 18, 07:35 UTC8h 41m
2026-07-17 DAL177 DUB → ATL Jul 17, 10:15 UTCJul 17, 18:00 UTC7h 45m
2026-07-17 DAL176 ATL → DUB Jul 17, 00:50 UTCJul 17, 08:10 UTC7h 20m
2026-07-17 DAL176 ATL → DUB Jul 17, 00:47 UTCJul 17, 08:01 UTC7h 14m
2026-07-16 DAL75 - Jul 16, 12:25 UTCJul 16, 21:15 UTC8h 50m
2026-07-16 DAL162 - Jul 16, 02:05 UTCJul 16, 02:50 UTC45m
2026-07-16 DAL162 MSP → AMS Jul 16, 02:00 UTCJul 16, 09:52 UTC7h 52m
2026-07-15 DAL163 - Jul 15, 12:35 UTCJul 15, 20:45 UTC8h 10m
2026-07-15 DAL74 ATL → AMS Jul 15, 00:10 UTCJul 15, 08:35 UTC8h 25m
2026-07-14 DAL195 - Jul 14, 09:30 UTCJul 14, 11:25 UTC1h 55m
2026-07-14 DAL195 BCN → ATL Jul 14, 09:30 UTCJul 14, 19:07 UTC9h 37m
2026-07-14 DAL195 BCN → ATL Jul 14, 09:30 UTCJul 14, 19:04 UTC9h 34m
2026-07-14 DAL250 BOS → BCN Jul 14, 00:18 UTCJul 14, 07:01 UTC6h 43m
2026-07-14 DAL250 BOS → BCN Jul 14, 00:20 UTCJul 14, 07:10 UTC6h 50m
2026-07-13 DAL113 - Jul 13, 13:35 UTCJul 13, 21:45 UTC8h 10m
2026-07-13 DAL113 FCO → BOS Jul 13, 13:32 UTCJul 13, 21:44 UTC8h 12m
2026-07-13 DAL206 - Jul 13, 00:30 UTCJul 13, 09:05 UTC8h 35m
2026-07-13 DAL206 DTW → FCO Jul 13, 00:26 UTCJul 13, 09:13 UTC8h 47m
2026-07-12 DAL229 - Jul 12, 08:55 UTCJul 12, 10:30 UTC1h 35m
2026-07-12 DAL229 CDG → DTW Jul 12, 08:50 UTCJul 12, 16:50 UTC8h 0m
2026-07-11 DAL152 MSP → CDG Jul 11, 21:40 UTCJul 12, 05:35 UTC7h 55m
2026-07-11 DAL152 MSP → CDG Jul 11, 21:38 UTCJul 12, 05:31 UTC7h 53m
2026-07-11 DAL153 - Jul 11, 09:20 UTCJul 11, 17:50 UTC8h 30m
2026-07-10 DAL228 - Jul 10, 23:25 UTCJul 11, 06:40 UTC7h 15m

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 N804NW page for operator, model, and routing details .

Mode-S AAF1FA frequently asked

What is Mode-S code AAF1FA?
AAF1FA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N804NW.
Where is Mode-S AAF1FA registered?
Mode-S code AAF1FA 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 AAF1FA broadcasting right now?
Yes. Mode-S AAF1FA is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AAF1FA, octal 52570772, decimal 11,203,066.
What flights does AAF1FA operate?
Mode-S AAF1FA has broadcast 20 distinct callsigns, including DAL309, DAL837, DAL313, DAL228, DAL312.