Airways45 From United Kingdom, joined May 2000, 302 posts, RR: 0 Posted (13 years 3 weeks 5 days 14 hours ago) and read 4036 times:
Does anyone know why British Airways have a black ring around the nose of their 757s? I heard it might be to do with testing a microwave landing system to replace ILS but am not sure? If it is a test, how is it going? Do any other airlines have them on test?