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sensors Mode-S transponder

78158E

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-207U · BOEING 787-9 Dreamliner

Hex
78158E
Octal
36012616
Decimal
7,869,838
Country
CN
Tail
B-207U
Type
B789
No current signal · last broadcast Jul 26, 11:45 UTC
Flights observed
199
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 11:45 UTC

Last known position

Most recent position reported by Mode-S 78158E.

Country allocation

The ICAO 24-bit address 78158E 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
CHH489 - 13 2026-07-02
CHH490 - 11 2026-07-02
CHH470 - 9 2026-07-09
CHH7701 - 8 2026-07-12
CHH7024 - 8 2026-07-10
CHH785 Hainan Airlines 7 2026-07-23
CHH469 - 7 2026-07-08
CHH7992 Hainan Airlines 5 2026-07-22
CHH7714 Hainan Airlines 4 2026-05-27
CHH7712 - 4 2026-07-10
CHH7711 - 4 2026-07-03
CHH7703 Hainan Airlines 4 2026-05-22
CHH7025 Hainan Airlines 4 2026-06-09
CHH492 - 4 2026-06-28
CHH471 - 4 2026-06-25
CHH428 - 4 2026-07-07
CHH7991 Hainan Airlines 3 2026-07-22
CHH7974 - 3 2026-07-04
CHH7973 - 3 2026-07-03
CHH7963 - 3 2026-06-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CHH7834 TSN → URC Jul 26, 11:30 UTCJul 26, 11:45 UTC15m
2026-07-26 CHH7833 URC → TSN Jul 26, 08:55 UTCJul 26, 09:20 UTC25m
2026-07-25 CHH7358 CKG → SZX Jul 25, 11:00 UTCJul 25, 11:20 UTC20m
2026-07-24 CHH786 AKL → HAK Jul 24, 08:50 UTCJul 24, 19:05 UTC10h 15m
2026-07-23 CHH785 HAK → AKL Jul 23, 19:50 UTCJul 24, 05:15 UTC9h 25m
2026-07-22 CHH7992 FCO → CKG Jul 22, 11:10 UTCJul 22, 14:00 UTC2h 50m
2026-07-22 CHH7991 CKG → FCO Jul 22, 01:35 UTCJul 22, 05:25 UTC3h 50m
2026-07-21 CHH7357 SZX → CKG Jul 21, 12:40 UTCJul 21, 12:50 UTC10m
2026-07-20 CHH7992 - Jul 20, 10:50 UTCJul 20, 14:05 UTC3h 15m
2026-07-19 CHH7991 - Jul 19, 22:15 UTCJul 20, 05:20 UTC7h 5m
2026-07-18 CHH718 - Jul 18, 10:40 UTCJul 18, 17:00 UTC6h 20m
2026-07-17 CHH717 - Jul 17, 22:25 UTCJul 18, 05:35 UTC7h 11m
2026-07-16 CHH7932 - Jul 16, 20:49 UTCJul 16, 21:05 UTC15m
2026-07-16 CHH7932 - Jul 16, 12:49 UTCJul 16, 19:45 UTC6h 55m
2026-07-16 CHH7932 - Jul 16, 09:45 UTCJul 16, 10:00 UTC15m
2026-07-16 CHH7931 - Jul 16, 06:50 UTCJul 16, 07:20 UTC30m
2026-07-15 CHH7931 - Jul 15, 22:10 UTCJul 16, 05:00 UTC6h 50m
2026-07-15 CHH7931 - Jul 15, 21:00 UTCJul 15, 21:25 UTC25m
2026-07-14 CHH7834 - Jul 14, 11:40 UTCJul 14, 11:50 UTC10m
2026-07-13 CHH7992 - Jul 13, 13:35 UTCJul 14, 08:55 UTC19h 20m
2026-07-13 CHH7992 - Jul 13, 11:35 UTCJul 14, 08:55 UTC21h 20m
2026-07-13 CHH7992 - Jul 13, 11:00 UTCJul 14, 08:55 UTC21h 55m
2026-07-12 CHH7991 - Jul 12, 09:40 UTCJul 13, 05:35 UTC19h 55m
2026-07-12 CHH7706 - Jul 12, 05:20 UTCJul 12, 05:30 UTC10m
2026-07-12 CHH7701 - Jul 12, 01:00 UTCJul 12, 01:20 UTC20m
2026-07-11 CHH408 - Jul 11, 20:20 UTCJul 11, 20:35 UTC15m
2026-07-11 CHH408 - Jul 11, 11:45 UTCJul 11, 17:50 UTC6h 5m
2026-07-10 CHH407 - Jul 10, 22:55 UTCJul 11, 05:45 UTC6h 50m
2026-07-10 CHH7712 - Jul 10, 11:35 UTCJul 10, 11:45 UTC10m
2026-07-10 CHH7024 - Jul 10, 06:35 UTCJul 10, 06:45 UTC10m
2026-07-09 CHH470 - Jul 9, 11:10 UTCJul 9, 17:35 UTC6h 25m
2026-07-08 CHH469 - Jul 8, 22:30 UTCJul 9, 04:40 UTC6h 10m
2026-07-07 CHH428 - Jul 7, 11:30 UTCJul 7, 15:05 UTC3h 35m
2026-07-06 CHH427 - Jul 6, 12:55 UTCJul 7, 06:05 UTC17h 10m
2026-07-04 CHH7851 - Jul 4, 23:15 UTCJul 4, 23:25 UTC10m
2026-07-04 CHH7974 - Jul 4, 19:15 UTCJul 4, 19:35 UTC20m
2026-07-04 CHH7974 - Jul 4, 08:55 UTCJul 4, 12:30 UTC3h 35m
2026-07-03 CHH7973 - Jul 3, 23:00 UTCJul 4, 06:30 UTC7h 30m
2026-07-03 CHH7711 - Jul 3, 14:05 UTCJul 3, 14:35 UTC30m
2026-07-03 CHH7711 - Jul 3, 11:45 UTCJul 3, 11:55 UTC10m
2026-07-03 CHH7706 - Jul 3, 05:30 UTCJul 3, 05:40 UTC10m
2026-07-03 CHH7701 - Jul 3, 00:55 UTCJul 3, 01:10 UTC15m
2026-07-02 CHH490 - Jul 2, 19:55 UTCJul 2, 20:15 UTC20m
2026-07-02 CHH490 - Jul 2, 12:10 UTCJul 2, 17:35 UTC5h 25m
2026-07-02 CHH489 - Jul 2, 04:15 UTCJul 2, 04:35 UTC20m
2026-07-01 CHH489 - Jul 1, 22:30 UTCJul 1, 23:15 UTC45m
2026-07-01 CHH489 - Jul 1, 19:25 UTCJul 1, 19:35 UTC10m
2026-07-01 CHH7246 - Jul 1, 14:55 UTCJul 1, 15:15 UTC20m
2026-06-30 CHH408 - Jun 30, 11:30 UTCJun 30, 20:20 UTC8h 50m
2026-06-29 CHH407 - Jun 29, 23:34 UTCJun 30, 06:20 UTC6h 45m

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-207U page for operator, model, and routing details .

Mode-S 78158E frequently asked

What is Mode-S code 78158E?
78158E is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-207U.
Where is Mode-S 78158E registered?
Mode-S code 78158E is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78158E broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 11:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78158E, octal 36012616, decimal 7,869,838.
What flights does 78158E operate?
Mode-S 78158E has broadcast 20 distinct callsigns, including CHH489, CHH490, CHH470, CHH7701, CHH7024.