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

HL8251

Type: Boeing 777-200LR (B77L) Mode S Hex: 71C251 Operator: Korean Air Status: ACTIVE

Airframe HL8251 Key Facts

  • Airframe HL8251 (Boeing 777-200LR) 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 71C251 with manufacturer serial number (MSN) 37639.
HL8251 (Boeing 777-200LR)
Boeing 777-200LR · Operated by Korean Air Reference: Kristoferb
Aviation Spotter Galleries for Tail HL8251:
Planespotters.net → JetPhotos → FlightRadar24 Telemetry →

Registry Record

Registration Mark
HL8251
Manufacturer Serial Number (MSN)
37639
Mode S 24-bit ICAO Hex
71c251
Registered Owner
Korean Air
Lessor / Financing
Air Lease Corporation
Estimated Airframe Age
6.4 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 37639 • Hex 71C251
2020 OEM Production
Assembled by Boeing
Manufactured as Boeing 777-200LR with Manufacturer Serial Number 37639 and assigned ICAO Mode S hex 71C251.
2020 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration HL8251.
2023 Asset Financing
Financed by Air Lease Corporation
Placed under operating lease portfolio with long-term placement agreement and institutional asset management.
2026 (Current) ACTIVE
Operated by Korean Air
Current observed airframe age is 6.4 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