sensors Mode-S transponder

AC69B6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N8994Q · BOEING 737 MAX 8 · operated by SOUTHWEST AIRLINES CO

Hex
AC69B6
Octal
53064666
Decimal
11,299,254
Country
US
Tail
N8994Q
Type
B38M
Broadcasting now · callsign SWA974 · 41,000 ft
Flights observed
14
Distinct callsigns
7
Country
US
Last broadcast
13h ago

Current position

AC69B6 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AC69B6 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 7 distinct

Callsign Airline Flights Last seen
SWA2305 - 5 2026-04-13
SWA4424 - 3 2026-04-13
SWA2709 - 2 2026-04-13
SWA418 - 1 2026-04-12
SWA3384 - 1 2026-04-12
SWA2114 Southwest Airlines 1 2026-04-13
SWA1971 - 1 2026-04-14

Recent flights last 14

DateFlightRouteTakeoffLandingDuration
2026-04-14 SWA1971 - Apr 14, 10:50 UTCApr 14, 15:33 UTC4h 43m
2026-04-13 SWA2114 PDX → SJC Apr 13, 21:30 UTCApr 13, 23:45 UTC2h 15m
2026-04-13 SWA2305 - Apr 13, 19:50 UTCApr 13, 20:05 UTC15m
2026-04-13 SWA2305 - Apr 13, 16:15 UTCApr 13, 20:05 UTC3h 50m
2026-04-13 SWA2305 - Apr 13, 15:55 UTCApr 13, 19:45 UTC3h 50m
2026-04-13 SWA2305 - Apr 13, 15:44 UTCApr 13, 19:46 UTC4h 2m
2026-04-13 SWA2305 - Apr 13, 15:21 UTCApr 13, 19:14 UTC3h 53m
2026-04-13 SWA4424 - Apr 13, 12:20 UTCApr 13, 13:30 UTC1h 10m
2026-04-13 SWA4424 - Apr 13, 11:55 UTCApr 13, 13:30 UTC1h 35m
2026-04-13 SWA4424 - Apr 13, 11:15 UTCApr 13, 12:15 UTC1h 0m
2026-04-13 SWA2709 BNA → SRQ Apr 13, 00:45 UTCApr 13, 02:05 UTC1h 20m
2026-04-13 SWA2709 BNA → SRQ Apr 13, 00:18 UTCApr 13, 02:00 UTC1h 42m
2026-04-12 SWA3384 - Apr 12, 19:11 UTCApr 12, 20:33 UTC1h 22m
2026-04-12 SWA418 - Apr 12, 17:15 UTCApr 12, 18:00 UTC45m

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 N8994Q page for operator, model, and routing details .

Mode-S AC69B6 frequently asked

What is Mode-S code AC69B6?
AC69B6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N8994Q.
Where is Mode-S AC69B6 registered?
Mode-S code AC69B6 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 AC69B6 broadcasting right now?
Yes. Mode-S AC69B6 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC69B6, octal 53064666, decimal 11,299,254.
What flights does AC69B6 operate?
Mode-S AC69B6 has broadcast 7 distinct callsigns, including SWA2305, SWA4424, SWA2709, SWA418, SWA3384.