LIVE DATA
Telemetry Active
Today 2026-09-17
Data refreshed 00:00 UTC
Refresh in 04:59

B-18725

Type: Boeing 747-400 (B744) Mode S Hex: 8991A4 Operator: China Airlines Status: ACTIVE

Airframe B-18725 Key Facts

  • Airframe B-18725 (Boeing 747-400) was last observed on 2026-09-17 at monitored terminal (Global Airspace).
  • Current operational status is classified as ACTIVE with 0 consecutive days unobserved.
  • Registered Mode S 24-bit transponder address is 8991A4 with manufacturer serial number (MSN) 30771.
B-18725 (Boeing 747-400)
Boeing 747-400 · Operated by China Airlines Reference: File Upload Bot (Magnus Manske)
Aviation Spotter Galleries for Tail B-18725:
Planespotters.net → JetPhotos → FlightRadar24 Telemetry →

Registry Record

Registration Mark
B-18725
Manufacturer Serial Number (MSN)
30771
Mode S 24-bit ICAO Hex
8991a4
Registered Owner
China Airlines
Lessor / Financing
Carrier Owned / Unlisted
Estimated Airframe Age
5.6 years
Resolution Confidence
HIGH

Observation & Telemetry State

Current Status
ACTIVE
First Observed Date
2020-01-01
Last Observed Date
2026-09-17
Last Observed Airport
Unassigned Airspace
Days Without Observed Flight
0 days

Airframe Lifecycle & Genealogy History

MSN 30771 • Hex 8991A4
2020 OEM Production
Assembled by Boeing
Manufactured as Boeing 747-400 with Manufacturer Serial Number 30771 and assigned ICAO Mode S hex 8991A4.
2020 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration B-18725.
2023 Fleet Ownership
Direct Carrier Ownership
Direct balance-sheet asset operated and maintained under direct corporate ownership.
2026 (Current) ACTIVE
Operated by China Airlines
Current observed airframe age is 5.6 years. Telemetry active across global ADS-B tracking corridors.

90-Day Observed Activity Strip

Daily flight activity observations over the previous 90-day window.

Observed ADS-B Signal Unobserved / On Ground

Observed Flight Corridor History

CYYZ-KATLKATL-KLAXKLAX-KJFK