Apparatus

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sensors Mode-S transponder

780F39

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-7343 · BOEING 777-300ER

Hex
780F39
Octal
36007471
Decimal
7,868,217
Country
CN
Tail
B-7343
Type
B77W
No current signal · last broadcast Jul 26, 18:50 UTC
Flights observed
212
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 18:50 UTC

Last known position

Most recent position reported by Mode-S 780F39.

Country allocation

The ICAO 24-bit address 780F39 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
CES219 China Eastern Airlines 18 2026-07-25
CES553 China Eastern Airlines 17 2026-07-23
CES220 China Eastern Airlines 16 2026-07-26
CES207 - 15 2026-07-13
CES779 - 12 2026-07-17
CES569 China Eastern Airlines 12 2026-07-24
CES208 - 12 2026-07-14
CES587 China Eastern Airlines 11 2026-06-14
CES583 - 11 2026-07-07
CES570 China Eastern Airlines 11 2026-07-24
CES551 - 11 2026-06-26
CES552 China Eastern Airlines 10 2026-06-26
CES554 China Eastern Airlines 9 2026-07-23
CES588 - 8 2026-06-15
CES586 - 8 2026-07-07
CES780 - 7 2026-07-17
CES771 - 7 2026-07-18
CES772 - 5 2026-07-18
CES589 - 5 2026-06-28
CES590 China Eastern Airlines 4 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CES220 FRA → PVG Jul 26, 12:55 UTCJul 26, 18:50 UTC5h 55m
2026-07-25 CES219 PVG → FRA Jul 25, 21:50 UTCJul 26, 03:50 UTC6h 0m
2026-07-25 CES219 PVG → FRA Jul 25, 02:20 UTCJul 26, 00:55 UTC22h 35m
2026-07-24 CES570 CDG → PVG Jul 24, 22:20 UTCJul 25, 22:05 UTC23h 45m
2026-07-24 CES570 CDG → PVG Jul 24, 20:35 UTCJul 25, 03:00 UTC6h 25m
2026-07-24 CES569 PVG → CDG Jul 24, 07:30 UTCJul 24, 17:55 UTC10h 25m
2026-07-23 CES569 PVG → CDG Jul 23, 18:20 UTCJul 24, 17:55 UTC23h 35m
2026-07-23 CES569 PVG → CDG Jul 23, 18:05 UTCJul 24, 16:15 UTC22h 10m
2026-07-23 CES554 CDG → PVG Jul 23, 14:20 UTCJul 24, 14:15 UTC23h 55m
2026-07-23 CES554 CDG → PVG Jul 23, 12:05 UTCJul 24, 07:55 UTC19h 50m
2026-07-23 CES553 PVG → CDG Jul 23, 04:05 UTCJul 23, 04:10 UTC5m
2026-07-22 CES553 PVG → CDG Jul 22, 21:25 UTCJul 23, 01:00 UTC3h 35m
2026-07-22 CES553 PVG → CDG Jul 22, 02:20 UTCJul 23, 01:00 UTC22h 40m
2026-07-22 CES553 PVG → CDG Jul 22, 01:55 UTCJul 23, 00:15 UTC22h 20m
2026-07-21 CES570 CDG → PVG Jul 21, 22:20 UTCJul 22, 22:05 UTC23h 45m
2026-07-21 CES570 CDG → PVG Jul 21, 20:00 UTCJul 22, 02:35 UTC6h 35m
2026-07-20 CES554 CDG → PVG Jul 20, 12:20 UTCJul 21, 07:45 UTC19h 24m
2026-07-19 CES553 - Jul 19, 21:35 UTCJul 19, 22:20 UTC45m
2026-07-18 CES772 - Jul 18, 19:30 UTCJul 18, 21:35 UTC2h 5m
2026-07-18 CES771 - Jul 18, 07:30 UTCJul 18, 17:00 UTC9h 30m
2026-07-17 CES771 - Jul 17, 19:55 UTCJul 18, 17:00 UTC21h 6m
2026-07-17 CES780 - Jul 17, 09:15 UTCJul 18, 07:50 UTC22h 36m
2026-07-17 CES779 - Jul 17, 03:05 UTCJul 17, 03:30 UTC25m
2026-07-16 CES779 - Jul 16, 17:40 UTCJul 16, 17:54 UTC15m
2026-07-15 CES220 - Jul 15, 18:25 UTCJul 16, 17:54 UTC23h 30m
2026-07-15 CES220 - Jul 15, 13:00 UTCJul 15, 19:00 UTC6h 0m
2026-07-14 CES208 - Jul 14, 00:20 UTCJul 14, 18:40 UTC18h 20m
2026-07-13 CES208 - Jul 13, 23:50 UTCJul 14, 18:40 UTC18h 50m
2026-07-13 CES207 - Jul 13, 20:25 UTCJul 13, 21:10 UTC45m
2026-07-13 CES207 - Jul 13, 01:15 UTCJul 13, 21:10 UTC19h 55m
2026-07-12 CES220 - Jul 12, 19:50 UTCJul 13, 01:50 UTC6h 0m
2026-07-12 CES219D - Jul 12, 07:40 UTCJul 12, 17:01 UTC9h 20m
2026-07-11 CES208 - Jul 11, 09:00 UTCJul 12, 08:01 UTC23h 0m
2026-07-10 CES208 - Jul 10, 20:45 UTCJul 11, 09:45 UTC13h 0m
2026-07-10 CES207 - Jul 10, 05:50 UTCJul 10, 18:15 UTC12h 25m
2026-07-09 CES207 - Jul 9, 20:40 UTCJul 10, 18:15 UTC21h 35m
2026-07-09 CES554 - Jul 9, 11:45 UTCJul 10, 05:50 UTC18h 5m
2026-07-08 CES553 - Jul 8, 21:20 UTCJul 9, 04:05 UTC6h 45m
2026-07-08 CES553 - Jul 8, 06:20 UTCJul 9, 04:05 UTC21h 45m
2026-07-08 CES553 - Jul 8, 05:45 UTCJul 9, 04:05 UTC22h 20m
2026-07-07 CES586 - Jul 7, 19:50 UTCJul 8, 07:30 UTC11h 40m
2026-07-07 CES583 - Jul 7, 06:40 UTCJul 7, 17:10 UTC10h 30m
2026-07-06 CES583 - Jul 6, 20:20 UTCJul 7, 17:10 UTC20h 50m
2026-07-06 CES583 - Jul 6, 18:45 UTCJul 7, 17:10 UTC22h 25m
2026-07-06 CES780 - Jul 6, 09:35 UTCJul 7, 08:15 UTC22h 40m
2026-07-05 CES779 - Jul 5, 17:15 UTCJul 6, 04:05 UTC10h 50m
2026-07-05 CES779 - Jul 5, 03:05 UTCJul 5, 19:35 UTC16h 30m
2026-07-04 CES570 - Jul 4, 22:20 UTCJul 5, 19:35 UTC21h 15m
2026-07-04 CES570 - Jul 4, 21:25 UTCJul 5, 19:35 UTC22h 10m
2026-07-04 CES569 - Jul 4, 09:00 UTCJul 4, 18:55 UTC9h 55m

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-7343 page for operator, model, and routing details .

Mode-S 780F39 frequently asked

What is Mode-S code 780F39?
780F39 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-7343.
Where is Mode-S 780F39 registered?
Mode-S code 780F39 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780F39 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780F39, octal 36007471, decimal 7,868,217.
What flights does 780F39 operate?
Mode-S 780F39 has broadcast 20 distinct callsigns, including CES219, CES553, CES220, CES207, CES779.