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

HL8221

Type: Boeing 737-900ER (B739) Mode S Hex: 71C221 Operator: Korean Air Status: ACTIVE

Airframe HL8221 Key Facts

  • Airframe HL8221 (Boeing 737-900ER) 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 71C221 with manufacturer serial number (MSN) 37633.
HL8221 (Boeing 737-900ER)
Boeing 737-900ER · Operated by Korean Air Reference: 4300streetcar
Aviation Spotter Galleries for Tail HL8221:
Planespotters.net → JetPhotos → FlightRadar24 Telemetry →

Registry Record

Registration Mark
HL8221
Manufacturer Serial Number (MSN)
37633
Mode S 24-bit ICAO Hex
71c221
Registered Owner
Korean Air
Lessor / Financing
Air Lease Corporation
Estimated Airframe Age
5.2 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 37633 • Hex 71C221
2021 OEM Production
Assembled by Boeing
Manufactured as Boeing 737-900ER with Manufacturer Serial Number 37633 and assigned ICAO Mode S hex 71C221.
2021 Commercial Entry
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration HL8221.
2024 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 5.2 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