Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

A6CF20

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N538LA · BOEING 767-300 · operated by QUETRO AIRCRAFT LEASING TRUST

Hex
A6CF20
Octal
51547440
Decimal
10,932,000
Country
US
Tail
N538LA
Type
B763
Transponder active on ground
Flights observed
211
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:05 UTC

Last known position

Most recent position reported by Mode-S A6CF20.

Country allocation

The ICAO 24-bit address A6CF20 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
LAE1803 - 11 2026-07-15
LCO3611 - 8 2026-07-16
LCO1514 LAN Cargo 8 2026-05-22
LAE2530 - 8 2026-07-14
LAE1804 - 8 2026-07-15
LAE2502 LATAM Cargo Colombia 7 2026-07-22
LCO1771 LAN Cargo 6 2026-05-25
LCO1517 LAN Cargo 6 2026-06-01
LCO1614 - 5 2026-04-16
LCO1513 - 4 2026-07-09
LCO1402 LAN Cargo 4 2026-05-11
LAE2527 LATAM Cargo Colombia 4 2026-07-18
LCO1731 LAN Cargo 3 2026-05-28
LCO1507 LAN Cargo 3 2026-05-31
LAE2838 - 3 2026-07-05
LAE2833 LATAM Cargo Colombia 3 2026-04-15
LAE2528 LATAM Cargo Colombia 3 2026-07-26
LAE2505 LATAM Cargo Colombia 3 2026-05-12
LAE2503 LATAM Cargo Colombia 3 2026-07-20
LAE1829 LATAM Cargo Colombia 3 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 LCO1617 MIA → MVD Jul 26, 20:40 UTCJul 26, 21:05 UTC25m
2026-07-26 LAE2528 BOG → MIA Jul 26, 02:10 UTCJul 26, 13:25 UTC11h 16m
2026-07-25 LAE2528 BOG → MIA Jul 25, 13:15 UTCJul 26, 00:00 UTC10h 45m
2026-07-25 LAE1834 BOG → MIA Jul 25, 06:50 UTCJul 25, 10:00 UTC3h 10m
2026-07-25 LAE1833 MIA → BOG Jul 25, 01:15 UTCJul 25, 04:20 UTC3h 5m
2026-07-24 LAE1829 MIA → MDE Jul 24, 13:50 UTCJul 24, 16:55 UTC3h 5m
2026-07-24 LAE1827 MIA → UIO Jul 24, 08:15 UTCJul 24, 11:25 UTC3h 10m
2026-07-23 LAE1802 GUA → MIA Jul 23, 19:35 UTCJul 23, 22:05 UTC2h 30m
2026-07-23 LAE1801 GUA → SJO Jul 23, 16:40 UTCJul 23, 17:55 UTC1h 15m
2026-07-23 LAE1801 GUA → SJO Jul 23, 13:05 UTCJul 23, 15:10 UTC2h 5m
2026-07-23 LNE320 UIO → MIA Jul 23, 03:10 UTCJul 23, 10:10 UTC7h 0m
2026-07-22 LNE319 MIA → UIO Jul 22, 19:30 UTCJul 23, 00:25 UTC4h 55m
2026-07-22 LAE2502 BOG → MIA Jul 22, 13:40 UTCJul 22, 16:55 UTC3h 15m
2026-07-20 LAE2523 MIA → BOG Jul 20, 23:25 UTCJul 21, 00:55 UTC1h 29m
2026-07-20 LAE2503 MIA → BRU Jul 20, 03:00 UTCJul 20, 05:20 UTC2h 20m
2026-07-19 LAE2503 MIA → BRU Jul 19, 20:00 UTCJul 20, 00:55 UTC4h 55m
2026-07-19 LNE620 UIO → MIA Jul 19, 10:15 UTCJul 19, 12:05 UTC1h 50m
2026-07-19 LNE619 MIA → CLO Jul 19, 01:10 UTCJul 19, 04:10 UTC3h 0m
2026-07-18 LAE2528 BOG → MIA Jul 18, 11:40 UTCJul 18, 14:55 UTC3h 15m
2026-07-18 LAE2527 MIA → VCP Jul 18, 03:30 UTCJul 18, 07:35 UTC4h 5m
2026-07-18 LAE2527 MIA → VCP Jul 18, 00:00 UTCJul 18, 01:34 UTC1h 35m
2026-07-17 LAE2527 MIA → VCP Jul 17, 21:05 UTCJul 17, 22:00 UTC55m
2026-07-17 LAE2527 MIA → VCP Jul 17, 10:44 UTCJul 17, 19:15 UTC8h 30m
2026-07-17 LCO1610 BOG → MIA Jul 17, 02:10 UTCJul 17, 07:20 UTC5h 10m
2026-07-16 LCO3611 - Jul 16, 20:55 UTCJul 16, 21:10 UTC15m
2026-07-16 LCO3611 - Jul 16, 18:55 UTCJul 16, 19:40 UTC45m
2026-07-16 LCO3611 - Jul 16, 08:50 UTCJul 16, 17:25 UTC8h 35m
2026-07-16 LAE2540 - Jul 16, 05:15 UTCJul 16, 05:50 UTC35m
2026-07-16 LAE2539 - Jul 16, 00:05 UTCJul 16, 00:25 UTC20m
2026-07-15 LAE2539 - Jul 15, 21:15 UTCJul 15, 21:35 UTC20m
2026-07-15 LAE1804 - Jul 15, 15:20 UTCJul 15, 17:45 UTC2h 25m
2026-07-15 LAE1803 - Jul 15, 12:25 UTCJul 15, 13:40 UTC1h 15m
2026-07-15 LAE1803 - Jul 15, 08:10 UTCJul 15, 10:25 UTC2h 15m
2026-07-14 LNE224 - Jul 14, 21:00 UTCJul 15, 03:50 UTC6h 49m
2026-07-14 LAE2530 - Jul 14, 11:35 UTCJul 14, 19:15 UTC7h 40m
2026-07-14 LAE2530 - Jul 14, 09:45 UTCJul 14, 10:05 UTC20m
2026-07-14 LAE2530 - Jul 14, 00:15 UTCJul 14, 08:05 UTC7h 50m
2026-07-13 LAE1804 - Jul 13, 02:35 UTCJul 13, 04:45 UTC2h 10m
2026-07-12 LAE1803 SJO → GUA Jul 12, 22:35 UTCJul 13, 00:01 UTC1h 25m
2026-07-12 LAE1803 - Jul 12, 18:45 UTCJul 12, 21:10 UTC2h 25m
2026-07-12 LNE620 - Jul 12, 09:50 UTCJul 12, 11:50 UTC2h 0m
2026-07-12 LNE619 - Jul 12, 00:45 UTCJul 12, 03:35 UTC2h 50m
2026-07-11 LNE618 - Jul 11, 11:05 UTCJul 11, 22:20 UTC11h 15m
2026-07-11 LAE1834 - Jul 11, 05:05 UTCJul 11, 08:20 UTC3h 15m
2026-07-11 LAE1833 - Jul 11, 00:10 UTCJul 11, 02:50 UTC2h 40m
2026-07-10 LNE513 - Jul 10, 07:00 UTCJul 10, 19:15 UTC12h 15m
2026-07-09 LCO1602 UIO → MIA Jul 9, 15:40 UTCJul 9, 20:55 UTC5h 15m
2026-07-09 LCO1602 UIO → MIA Jul 9, 12:45 UTCJul 9, 12:55 UTC10m
2026-07-09 LCO1513 - Jul 9, 07:35 UTCJul 9, 09:00 UTC1h 25m
2026-07-09 LCO1513 - Jul 9, 04:25 UTCJul 9, 06:40 UTC2h 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 N538LA page for operator, model, and routing details .

Mode-S A6CF20 frequently asked

What is Mode-S code A6CF20?
A6CF20 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N538LA.
Where is Mode-S A6CF20 registered?
Mode-S code A6CF20 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 A6CF20 broadcasting right now?
Mode-S A6CF20 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 A6CF20, octal 51547440, decimal 10,932,000.
What flights does A6CF20 operate?
Mode-S A6CF20 has broadcast 20 distinct callsigns, including LAE1803, LCO3611, LCO1514, LAE2530, LAE1804.