Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Favorites infavorites:mine
infavorites:1234
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with Search options user 946

Boarding as it relates to the airline/carrier operations; for passenger related questions, visit Travel Stack Exchange.

16
votes
The system you propose would be extremely heavy compared to existing aircraft. More weight means more fuel and more fuel means even more fuel to carry that fuel through the air, and even more fuel to …
answered Feb 1 '15 by David Richerby