What are some safety precautions I should take for my six to nine month old child when traveling by

Travel . Once again I defer to the aap.org site. http://www.healthychildren.org/English/safety-prevention/on-the-go/Pages/Flying-with-Baby.aspx .
Four points. Infants are more likely to die or be hospitalized from a crash than an illness. Babies must: 1) have the seat fastened to the car, 2) face the back window, 3) not be in front of an air bag, and 4) not be in the front seat. Never leave your baby alone in a car while you run an errand. You could lose your child to a thief or heatstroke.