3 ms·
> Those numbers just don't make sense. That's 130 miles short of the great circle distance from SIN-BAH of 3935 miles. In an aviation context, those are most l
by FabHK 3y ago
> Those numbers just don't make sense. That's 130 miles short of the great circle distance from SIN-BAH of 3935 miles.
In an aviation context, those are most likely nautical miles (equivalent to 1 minute of a degree in north-south direction, which is why 10,000 km (initially defined as the distance from the equator to the pole) is basically 5,400 NM (90 degrees from the equator to the pole, times 60 minutes/degree)) rather than statute miles, which are some certain number of yards and feet in that quaint customary system used still used by some people in the USA, Liberia, and Myanmar.
Indeed, according to the interweb, the distance between Singapore (Singapore Changi Airport) and Manama (Bahrain International Airport) is 3935 miles / 6333 kilometers / 3420 nautical miles.
- mbauman 3y agoAha, of course! OK, if those are nautical miles this does make much more sense — 3698nm is 280 nautical miles (320 miles) longer than the great circle route. It's a bit longer than the naive calculation I made — increasing the average speed (and time at cruise) a little bit, too. Then the BAH-LHR leg is more interesting too — its great circle route is 2754 nm, so they're going 366 nm (420 miles) out of their way. Their listed distance is approximately what it'd be if they routed through the Mediterranean over Malta. https://www.greatcirclemap.com/?routes=BAH-LHR%2C%20BAH-MLA-LHR&unit=nm https://www.greatcirclemap.com/?routes=BAH-LHR%2C%20BAH-MLA-...