Apparatus

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sensors Mode-S transponder

AB048D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N809NW · AIRBUS A-330-300 · operated by DELTA AIR LINES INC

Hex
AB048D
Octal
52602215
Decimal
11,207,821
Country
US
Tail
N809NW
Type
A333
Broadcasting now · callsign DAL127 · 38,000 ft
Flights observed
306
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:15 UTC

Current position

AB048D is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AB048D 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
DAL126 Delta Air Lines 12 2026-06-07
DAL837 - 9 2026-06-27
DAL47 - 9 2026-07-15
DAL228 Delta Air Lines 9 2026-06-22
DAL194 Delta Air Lines 9 2026-07-26
DAL152 Delta Air Lines 9 2026-06-23
DAL309 - 8 2026-06-27
DAL229 - 8 2026-06-24
DAL185 Delta Air Lines 8 2026-06-10
DAL184 Delta Air Lines 8 2026-06-10
DAL129 Delta Air Lines 8 2026-05-30
DAL105 - 8 2026-07-05
DAL73 - 7 2026-06-25
DAL46 Delta Air Lines 7 2026-06-12
DAL183 - 7 2026-07-16
DAL74 - 6 2026-07-11
DAL251 Delta Air Lines 6 2026-07-26
DAL203 Delta Air Lines 6 2026-06-05
DAL153 - 6 2026-06-23
DAL134 - 6 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DAL251 NAS → MIA Jul 26, 13:40 UTCJul 26, 21:15 UTC7h 35m
2026-07-26 DAL194 ATL → BCN Jul 26, 02:15 UTCJul 26, 10:35 UTC8h 21m
2026-07-25 DAL175 MXP → ATL Jul 25, 10:30 UTCJul 25, 19:55 UTC9h 25m
2026-07-25 DAL276 HND → DTW Jul 25, 00:26 UTCJul 25, 07:32 UTC7h 6m
2026-07-25 DAL276 HND → DTW Jul 25, 00:30 UTCJul 25, 01:15 UTC45m
2026-07-24 DAL251 NAS → MIA Jul 24, 13:50 UTCJul 24, 21:00 UTC7h 10m
2026-07-24 DAL251 NAS → MIA Jul 24, 13:46 UTCJul 24, 20:56 UTC7h 10m
2026-07-24 DAL194 ATL → BCN Jul 24, 02:30 UTCJul 24, 11:15 UTC8h 45m
2026-07-23 DAL195 BCN → ATL Jul 23, 09:40 UTCJul 23, 19:00 UTC9h 20m
2026-07-22 DAL250 ICN → SEA Jul 22, 23:50 UTCJul 23, 06:35 UTC6h 45m
2026-07-22 DAL113 FCO → BOS Jul 22, 11:55 UTCJul 22, 20:05 UTC8h 10m
2026-07-22 DAL206 DTW → FCO Jul 22, 00:50 UTCJul 22, 03:05 UTC2h 15m
2026-07-21 DAL207 FCO → DTW Jul 21, 10:10 UTCJul 21, 19:50 UTC9h 40m
2026-07-21 DAL112 BOS → FCO Jul 21, 00:02 UTCJul 21, 07:26 UTC7h 24m
2026-07-21 DAL112 BOS → FCO Jul 21, 00:05 UTCJul 21, 07:35 UTC7h 30m
2026-07-20 DAL277 - Jul 20, 13:20 UTCJul 20, 15:15 UTC1h 55m
2026-07-20 DAL277 MXP → BOS Jul 20, 13:19 UTCJul 20, 21:15 UTC7h 56m
2026-07-20 DAL277 MXP → BOS Jul 20, 13:19 UTCJul 20, 21:04 UTC7h 45m
2026-07-20 DAL276 BOS → MXP Jul 20, 03:30 UTCJul 20, 10:40 UTC7h 10m
2026-07-19 DAL251 BCN → BOS Jul 19, 13:40 UTCJul 19, 21:10 UTC7h 30m
2026-07-19 DAL128 JFK → BCN Jul 19, 02:08 UTCJul 19, 09:16 UTC7h 8m
2026-07-19 DAL128 - Jul 19, 02:10 UTCJul 19, 02:55 UTC45m
2026-07-18 DAL231 CDG → RDU Jul 18, 10:55 UTCJul 18, 19:35 UTC8h 40m
2026-07-18 DAL231 CDG → RDU Jul 18, 10:52 UTCJul 18, 19:34 UTC8h 42m
2026-07-18 DAL230 - Jul 18, 00:00 UTCJul 18, 07:15 UTC7h 16m
2026-07-17 DAL230 JFK → FCO Jul 17, 23:56 UTCJul 18, 07:44 UTC7h 48m
2026-07-17 DAL958 ATL → PHL Jul 17, 15:29 UTCJul 17, 20:44 UTC5h 15m
2026-07-16 DAL353 JFK → LAX Jul 16, 20:55 UTCJul 17, 02:15 UTC5h 20m
2026-07-16 DAL183 - Jul 16, 09:00 UTCJul 16, 11:15 UTC2h 15m
2026-07-16 DAL183 FCO → JFK Jul 16, 08:58 UTCJul 16, 17:46 UTC8h 48m
2026-07-15 DAL182 JFK → FCO Jul 15, 22:15 UTCJul 16, 06:00 UTC7h 45m
2026-07-15 DAL47 - Jul 15, 09:30 UTCJul 15, 16:50 UTC7h 20m
2026-07-14 DAL142 SEA → AMS Jul 14, 21:36 UTCJul 15, 06:49 UTC9h 13m
2026-07-14 DAL142 SEA → AMS Jul 14, 21:40 UTCJul 15, 06:45 UTC9h 4m
2026-07-14 DAL143 - Jul 14, 09:20 UTCJul 14, 19:05 UTC9h 45m
2026-07-13 DAL142 SEA → AMS Jul 13, 21:30 UTCJul 14, 06:20 UTC8h 50m
2026-07-13 DAL21 - Jul 13, 04:10 UTCJul 13, 04:20 UTC10m
2026-07-12 DAL21 LHR → SEA Jul 12, 18:15 UTCJul 13, 04:20 UTC10h 5m
2026-07-12 DAL21 LHR → SEA Jul 12, 18:15 UTCJul 13, 03:54 UTC9h 39m
2026-07-12 DAL10 MSP → LHR Jul 12, 04:17 UTCJul 12, 12:06 UTC7h 49m
2026-07-11 DAL163 - Jul 11, 11:15 UTCJul 11, 19:30 UTC8h 15m
2026-07-11 DAL74 ATL → AMS Jul 11, 00:45 UTCJul 11, 08:40 UTC7h 55m
2026-07-10 DAL75 AMS → ATL Jul 10, 11:57 UTCJul 10, 22:12 UTC10h 15m
2026-07-10 DAL75 - Jul 10, 12:00 UTCJul 10, 22:15 UTC10h 15m
2026-07-10 DAL162 - Jul 10, 01:10 UTCJul 10, 02:35 UTC1h 25m
2026-07-10 DAL162 MSP → AMS Jul 10, 01:09 UTCJul 10, 08:48 UTC7h 39m
2026-07-09 DAL163 - Jul 9, 11:05 UTCJul 9, 12:40 UTC1h 35m
2026-07-09 DAL163 AMS → MSP Jul 9, 11:05 UTCJul 9, 19:18 UTC8h 13m
2026-07-09 DAL74 ATL → AMS Jul 9, 00:05 UTCJul 9, 08:10 UTC8h 5m
2026-07-08 DAL175 MXP → ATL Jul 8, 10:05 UTCJul 8, 19:45 UTC9h 40m

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 N809NW page for operator, model, and routing details .

Mode-S AB048D frequently asked

What is Mode-S code AB048D?
AB048D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N809NW.
Where is Mode-S AB048D registered?
Mode-S code AB048D 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 AB048D broadcasting right now?
Yes. Mode-S AB048D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB048D, octal 52602215, decimal 11,207,821.
What flights does AB048D operate?
Mode-S AB048D has broadcast 20 distinct callsigns, including DAL126, DAL837, DAL47, DAL228, DAL194.