HL7599
Type: Boeing 737-900ER (B739) Mode S Hex: 71BD99 Operator: Korean Air Status: ACTIVE
Airframe HL7599 Key Facts
- Airframe HL7599 (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 71BD99 with manufacturer serial number (MSN) 29988.
Registry Record
Observation & Telemetry State
Airframe Lifecycle & Genealogy History
MSN 29988 • Hex 71BD99Assembled by Boeing
Manufactured as Boeing 737-900ER with Manufacturer Serial Number 29988 and assigned ICAO Mode S hex
71BD99.
Delivered into Commercial Service
Accepted into commercial scheduled operations under tail registration HL7599.
Financed by Air Lease Corporation
Placed under operating lease portfolio with long-term placement agreement and institutional asset management.
Operated by Korean Air
Current observed airframe age is 4.0 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