Clear · Rule 405
Indication: Proceed.
5 mast presentations
High mast signal, single aspect. top: green.
A high mast, single aspect signal displaying green.
High mast signal, double aspect, staggered. top: green; bottom: red.
A high mast, staggered, double aspect signal displaying green on the top, red on the bottom.
High mast signal, double aspect, inline. top: green; bottom: red.
A high mast, inline , double aspect signal, displaying green on the top, red on the bottom.
High mast signal, triple aspect, inline. top: green; middle: red; bottom: red.
A high mast, inline, triple aspect signal, displaying green on the top, red in the middle, red on the bottom.
Dwarf signal, double aspect, inline. top: green; bottom: green.
A double aspect, dwarf signal, displaying green on the top, green on the bottom.