×
We have recently moved to a new server and are aware of issues with some images, the Rocksim library, and creating a new account. If you run into any other issues, please let us know through the Contact Us link at the bottom of the page. Thanks for visiting RocketReviews.
Rocketry Glossary
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Heads-up
An alert called by the Launch Control Officer if one of three conditions prevail:
(1) A model using an advanced technique such as a cluster is about to be launched.
(2) An untried rocket design is about to launch and the results are uncertain.
(3) A recovery system has failed, and it is possible that the rocket will crash in an area containing people.
 |
 |