The Compaq Aero was popularized as a line of computer handhelds produced by Compaq Computer Corporation. It was succeeded by the iPAQ line. The Aero name was first used for small sub-notebooks computers that Compaq produced in the mid-90's, the Contura Aero 4/25 and 4/33c.
Read more about Compaq Aero: Early Subnotebook, List of Aero Handhelds