The Hazardous Air Traffic Report (HATR) Program - A brief histiory
Flying safety ; 54 , 9
1998
Aufsatz (Zeitschrift)
Englisch
Hazardous Air Traffic Report (HATR) Program - Box scores for FY98 and trends
Online Contents | 1998
Hazardous Air Traffic Report (HATR) Summary for CY01 - Close encounters, air and ground
Online Contents | 2002
The HATR Summary - Final HATR numbers and trends for FY99
Online Contents | 1999