Apparatus

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sensors Mode-S transponder

780A16

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-KPU · BOEING 777-300ER

Hex
780A16
Octal
36005026
Decimal
7,866,902
Country
CN
Tail
B-KPU
Type
B77W
Broadcasting now · callsign CPA139 · 33,000 ft
Flights observed
249
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 11:45 UTC

Current position

780A16 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 780A16 falls within the block assigned to China (CN) by ICAO Annex 10, Volume III. Every aircraft registered in China 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
CPA867 - 18 2026-07-11
CPA549 - 18 2026-07-14
CPA810 - 16 2026-07-10
CPA548 - 16 2026-07-14
CPA255 - 14 2026-07-14
CPA665 Cathay Pacific 12 2026-07-24
CPA289 Cathay Pacific 12 2026-07-05
CPA873 Cathay Pacific 10 2026-06-09
CPA250 - 10 2026-07-15
CPA178 - 10 2026-07-19
CPA288 Cathay Pacific 9 2026-07-05
CPA872 Cathay Pacific 8 2026-06-08
CPA698 Cathay Pacific 8 2026-07-24
CPA234 Cathay Pacific 8 2026-06-03
CPA581 Cathay Pacific 7 2026-07-20
CPA233 Cathay Pacific 7 2026-06-02
CPA181 - 7 2026-07-20
CPA884 Cathay Pacific 6 2026-07-25
CPA865 Cathay Pacific 6 2026-07-22
CPA100 Cathay Pacific 6 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CPA885 LAX → HKG Jul 25, 21:35 UTCJul 26, 11:30 UTC13h 56m
2026-07-25 CPA884 HKG → LAX Jul 25, 05:15 UTCJul 25, 18:30 UTC13h 15m
2026-07-24 CPA698 DEL → HKG Jul 24, 17:35 UTCJul 24, 22:30 UTC4h 55m
2026-07-24 CPA665 HKG → DEL Jul 24, 12:35 UTCJul 24, 15:25 UTC2h 50m
2026-07-24 CPA665 HKG → DEL Jul 24, 10:25 UTCJul 24, 10:40 UTC15m
2026-07-23 CPA698 DEL → HKG Jul 23, 22:00 UTCJul 23, 22:25 UTC25m
2026-07-23 CPA698 DEL → HKG Jul 23, 17:35 UTCJul 23, 20:20 UTC2h 45m
2026-07-23 CPA665 HKG → DEL Jul 23, 12:30 UTCJul 23, 15:15 UTC2h 45m
2026-07-23 CPA665 HKG → DEL Jul 23, 10:25 UTCJul 23, 10:40 UTC15m
2026-07-23 CPA316 HKG → PVG Jul 23, 00:30 UTCJul 23, 06:50 UTC6h 20m
2026-07-22 CPA865 YVR → HKG Jul 22, 16:55 UTCJul 22, 21:05 UTC4h 10m
2026-07-21 CPA888 - Jul 21, 17:10 UTCJul 22, 04:30 UTC11h 20m
2026-07-21 CPA100 SYD → HKG Jul 21, 04:20 UTCJul 21, 13:00 UTC8h 40m
2026-07-20 CPA181 - Jul 20, 18:40 UTCJul 21, 02:05 UTC7h 24m
2026-07-20 CPA181 - Jul 20, 17:40 UTCJul 20, 18:00 UTC20m
2026-07-20 CPA581 CTS → HKG Jul 20, 08:15 UTCJul 20, 12:40 UTC4h 25m
2026-07-20 CPA580 HKG → CTS Jul 20, 02:25 UTCJul 20, 06:40 UTC4h 15m
2026-07-19 CPA178 - Jul 19, 22:10 UTCJul 19, 22:35 UTC25m
2026-07-19 CPA178 - Jul 19, 14:05 UTCJul 19, 21:25 UTC7h 20m
2026-07-19 CPA163 HKG → MEL Jul 19, 03:50 UTCJul 19, 12:05 UTC8h 15m
2026-07-18 CPA698 - Jul 18, 21:50 UTCJul 18, 22:25 UTC35m
2026-07-18 CPA698 - Jul 18, 17:25 UTCJul 18, 20:10 UTC2h 45m
2026-07-18 CPA665 - Jul 18, 11:25 UTCJul 18, 15:15 UTC3h 50m
2026-07-18 CPA665 - Jul 18, 10:35 UTCJul 18, 10:50 UTC15m
2026-07-17 CPA885 LAX → HKG Jul 17, 00:50 UTCJul 17, 14:04 UTC13h 15m
2026-07-16 CPA884 HKG → LAX Jul 16, 09:00 UTCJul 16, 22:10 UTC13h 10m
2026-07-15 CPA250 - Jul 15, 18:25 UTCJul 16, 06:25 UTC12h 0m
2026-07-14 CPA255 - Jul 14, 23:45 UTCJul 15, 01:10 UTC1h 25m
2026-07-14 CPA255 - Jul 14, 15:30 UTCJul 14, 15:50 UTC20m
2026-07-14 CPA549 HND → HKG Jul 14, 07:35 UTCJul 14, 11:10 UTC3h 35m
2026-07-14 CPA548 HKG → HND Jul 14, 01:25 UTCJul 14, 05:15 UTC3h 50m
2026-07-13 CPA549 - Jul 13, 07:55 UTCJul 13, 11:30 UTC3h 35m
2026-07-13 CPA548 HKG → HND Jul 13, 01:20 UTCJul 13, 05:15 UTC3h 55m
2026-07-12 CPA698 - Jul 12, 17:35 UTCJul 12, 22:25 UTC4h 50m
2026-07-12 CPA665 - Jul 12, 12:25 UTCJul 12, 15:01 UTC2h 35m
2026-07-12 CPA665 - Jul 12, 10:20 UTCJul 12, 10:35 UTC15m
2026-07-11 CPA698 DEL → HKG Jul 11, 19:30 UTCJul 12, 00:20 UTC4h 50m
2026-07-11 CPA665 - Jul 11, 14:45 UTCJul 11, 17:25 UTC2h 40m
2026-07-11 CPA665 - Jul 11, 12:40 UTCJul 11, 12:55 UTC15m
2026-07-11 CPA867 - Jul 11, 10:25 UTCJul 11, 10:45 UTC20m
2026-07-10 CPA867 - Jul 10, 22:40 UTCJul 11, 09:55 UTC11h 15m
2026-07-10 CPA810 HKG → YVR Jul 10, 08:55 UTCJul 10, 20:30 UTC11h 35m
2026-07-09 CPA250 - Jul 9, 17:40 UTCJul 10, 05:20 UTC11h 40m
2026-07-08 CPA255 - Jul 8, 23:55 UTCJul 9, 01:10 UTC1h 15m
2026-07-08 CPA255 - Jul 8, 15:35 UTCJul 8, 15:55 UTC20m
2026-07-07 CPA138 SYD → HKG Jul 7, 21:25 UTCJul 7, 21:45 UTC20m
2026-07-07 CPA138 SYD → HKG Jul 7, 12:55 UTCJul 7, 20:40 UTC7h 45m
2026-07-07 CPA139 HKG → SYD Jul 7, 03:10 UTCJul 7, 11:10 UTC8h 0m
2026-07-06 CPA178 MEL → HKG Jul 6, 22:35 UTCJul 6, 23:10 UTC35m
2026-07-06 CPA178 MEL → HKG Jul 6, 14:10 UTCJul 6, 21:40 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 B-KPU page for operator, model, and routing details .

Mode-S 780A16 frequently asked

What is Mode-S code 780A16?
780A16 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-KPU.
Where is Mode-S 780A16 registered?
Mode-S code 780A16 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780A16 broadcasting right now?
Yes. Mode-S 780A16 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780A16, octal 36005026, decimal 7,866,902.
What flights does 780A16 operate?
Mode-S 780A16 has broadcast 20 distinct callsigns, including CPA867, CPA549, CPA810, CPA548, CPA255.