NG Models Korean Air Boeing 747SP HL7457 1:400 Diecast Model1: 400 Diecast: Korean Air Boeing 747SP HL7457 (NG Models NG07044) HL7457 was the second Boeing 747SP delivered to Korean Air Lines, carrying MSN 22484 (line number 507). The aircraft rolled out at Everett on 9 January 1981, flew for the first time on 30 January 1981, and was accepted by Korean Air Lines on 18 March 1981, fitted with Pratt & Whitney JT9D 7A engines. Korean Air Lines configured it for 12 First, 40 Business, and 200 Economy seats,