sensors Mode-S transponder

ABBB2C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N855NW · AIRBUS A-330-200 · operated by DELTA AIR LINES INC

Hex
ABBB2C
Octal
52735454
Decimal
11,254,572
Country
US
Tail
N855NW
Type
A332
Transponder active on ground
Flights observed
270
Distinct callsigns
20
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S ABBB2C.

Country allocation

The ICAO 24-bit address ABBB2C 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
DAL23 - 18 2026-07-04
DAL22 - 17 2026-07-03
DAL2 - 17 2026-07-13
DAL107 - 17 2026-07-12
DAL86 - 16 2026-07-12
DAL1 - 16 2026-07-13
DAL51 - 15 2026-07-08
DAL292 Delta Air Lines 14 2026-07-05
DAL14 - 14 2026-07-10
DAL106 - 14 2026-07-13
DAL50 - 13 2026-07-08
DAL87 - 12 2026-07-11
DAL258 - 12 2026-07-05
DAL293 Delta Air Lines 11 2026-07-06
DAL259 - 11 2026-07-05
DAL15 - 11 2026-06-19
DAL353 Delta Air Lines 7 2026-05-15
DAL1317 Delta Air Lines 7 2026-04-23
DAL348 Delta Air Lines 6 2026-04-23
DAL55 - 5 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 DAL106 JFK → FRA Jul 13, 23:05 UTCJul 14, 06:23 UTC7h 18m
2026-07-13 DAL106 - Jul 13, 23:05 UTCJul 14, 00:45 UTC1h 40m
2026-07-13 DAL2 - Jul 13, 11:10 UTCJul 13, 12:20 UTC1h 10m
2026-07-13 DAL2 LHR → JFK Jul 13, 11:09 UTCJul 13, 18:03 UTC6h 54m
2026-07-13 DAL1 - Jul 13, 00:40 UTCJul 13, 02:20 UTC1h 40m
2026-07-13 DAL1 JFK → LHR Jul 13, 00:39 UTCJul 13, 07:06 UTC6h 27m
2026-07-12 DAL107 FRA → JFK Jul 12, 10:05 UTCJul 12, 17:45 UTC7h 40m
2026-07-12 DAL86 - Jul 12, 00:01 UTCJul 12, 07:35 UTC7h 35m
2026-07-11 DAL87 FRA → DTW Jul 11, 09:30 UTCJul 11, 17:55 UTC8h 25m
2026-07-10 DAL14 ATL → FRA Jul 10, 22:40 UTCJul 11, 07:03 UTC8h 23m
2026-07-10 DAL14 - Jul 10, 22:40 UTCJul 11, 05:01 UTC6h 20m
2026-07-10 DAL9976 JFK → ATL Jul 10, 18:35 UTCJul 10, 20:25 UTC1h 50m
2026-07-09 DAL2 LHR → JFK Jul 9, 11:00 UTCJul 9, 18:05 UTC7h 5m
2026-07-08 DAL50 SLC → LHR Jul 8, 23:32 UTCJul 9, 08:18 UTC8h 46m
2026-07-08 DAL50 - Jul 8, 23:35 UTCJul 9, 01:55 UTC2h 20m
2026-07-08 DAL51 - Jul 8, 10:30 UTCJul 8, 13:05 UTC2h 35m
2026-07-08 DAL51 LHR → SLC Jul 8, 10:29 UTCJul 8, 20:03 UTC9h 34m
2026-07-08 DAL1 JFK → LHR Jul 8, 00:30 UTCJul 8, 07:20 UTC6h 50m
2026-07-07 DAL107 FRA → JFK Jul 7, 10:05 UTCJul 7, 18:15 UTC8h 10m
2026-07-07 DAL86 - Jul 7, 00:00 UTCJul 7, 07:40 UTC7h 40m
2026-07-06 DAL293 LGA → ATL Jul 6, 09:25 UTCJul 6, 16:40 UTC7h 15m
2026-07-06 DAL293 LGA → ATL Jul 6, 09:21 UTCJul 6, 16:35 UTC7h 14m
2026-07-05 DAL258 - Jul 5, 23:40 UTCJul 6, 02:25 UTC2h 45m
2026-07-05 DAL258 MSP → DUB Jul 5, 23:40 UTCJul 6, 06:29 UTC6h 49m
2026-07-05 DAL259 DUB → MSP Jul 5, 11:30 UTCJul 5, 19:00 UTC7h 30m
2026-07-05 DAL292 KIX → GUM Jul 5, 02:10 UTCJul 5, 04:05 UTC1h 55m
2026-07-05 DAL292 KIX → GUM Jul 5, 02:05 UTCJul 5, 08:11 UTC6h 6m
2026-07-04 DAL23 MUC → DTW Jul 4, 07:11 UTCJul 4, 16:29 UTC9h 18m
2026-07-04 DAL23 - Jul 4, 07:15 UTCJul 4, 09:55 UTC2h 40m
2026-07-03 DAL22 - Jul 3, 21:05 UTCJul 4, 04:50 UTC7h 45m
2026-07-03 DAL293 LGA → ATL Jul 3, 09:05 UTCJul 3, 16:30 UTC7h 25m
2026-07-02 DAL258 MSP → DUB Jul 2, 23:45 UTCJul 3, 06:20 UTC6h 35m
2026-07-02 DAL259 DUB → MSP Jul 2, 11:30 UTCJul 2, 19:25 UTC7h 55m
2026-07-02 DAL292 KIX → GUM Jul 2, 02:15 UTCJul 2, 08:20 UTC6h 5m
2026-07-02 DAL292 KIX → GUM Jul 2, 02:12 UTCJul 2, 08:27 UTC6h 15m
2026-07-01 DAL293 LGA → ATL Jul 1, 09:15 UTCJul 1, 16:45 UTC7h 30m
2026-06-30 DAL258 MSP → DUB Jun 30, 23:46 UTCJul 1, 06:23 UTC6h 37m
2026-06-30 DAL258 MSP → DUB Jun 30, 23:50 UTCJul 1, 06:25 UTC6h 35m
2026-06-30 DAL259 DUB → MSP Jun 30, 11:14 UTCJun 30, 18:54 UTC7h 40m
2026-06-30 DAL259 - Jun 30, 11:15 UTCJun 30, 12:00 UTC45m
2026-06-30 DAL292 KIX → GUM Jun 30, 02:00 UTCJun 30, 08:40 UTC6h 40m
2026-06-30 DAL292 KIX → GUM Jun 30, 02:00 UTCJun 30, 08:35 UTC6h 35m
2026-06-29 DAL293 LGA → ATL Jun 29, 09:20 UTCJun 29, 16:19 UTC7h 0m
2026-06-28 DAL258 MSP → DUB Jun 28, 23:50 UTCJun 29, 06:40 UTC6h 50m
2026-06-28 DAL259 DUB → MSP Jun 28, 11:18 UTCJun 28, 18:47 UTC7h 29m
2026-06-28 DAL259 DUB → MSP Jun 28, 11:19 UTCJun 28, 18:49 UTC7h 30m
2026-06-28 DAL292 KIX → GUM Jun 28, 02:05 UTCJun 28, 08:34 UTC6h 30m
2026-06-27 DAL293 LGA → ATL Jun 27, 09:19 UTCJun 27, 16:20 UTC7h 0m
2026-06-26 DAL258 MSP → DUB Jun 26, 23:49 UTCJun 27, 06:44 UTC6h 55m
2026-06-26 DAL259 DUB → MSP Jun 26, 11:24 UTCJun 26, 18:54 UTC7h 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 N855NW page for operator, model, and routing details .

Mode-S ABBB2C frequently asked

What is Mode-S code ABBB2C?
ABBB2C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N855NW.
Where is Mode-S ABBB2C registered?
Mode-S code ABBB2C 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 ABBB2C broadcasting right now?
Mode-S ABBB2C is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABBB2C, octal 52735454, decimal 11,254,572.
What flights does ABBB2C operate?
Mode-S ABBB2C has broadcast 20 distinct callsigns, including DAL23, DAL22, DAL2, DAL107, DAL86.