| English thesaurus | |||
| |||
| Lights placed across the ends of a runway or landing strip to indicate its usable limits | |||
|
threshold lights : 6 phrases in 2 subjects |
| Airports and air traffic control | 3 |
| Aviation | 3 |
| English thesaurus | |||
| |||
| Lights placed across the ends of a runway or landing strip to indicate its usable limits | |||
|
threshold lights : 6 phrases in 2 subjects |
| Airports and air traffic control | 3 |
| Aviation | 3 |