3 ms·
Boeing 707s were equipped with sextant periscopes. It's popular belief that 737s used to be as well, though I believe that was only the case for a handful of 7
by darkpuma 8y ago
Boeing 707s were equipped with sextant periscopes. It's popular belief that 737s used to be as well, though I believe that was only the case for a handful of 737s purpose built for the USAF.