Business

Philippines' Cebu Pacific places $4.8 bn Airbus order

The Philippines' largest budget airline Cebu Air Inc has ordered 16 Airbus planes worth $4.8 billion, the company said Monday, as it aims to expand carrying capacity with larger, more fuel-efficient jets.

Energy & Green Tech

Airbus unveils pioneering solar-powered drone

European air giant Airbus on Wednesday unveiled a solar-powered drone called Zephyr that will fly at a high altitude and fulfil the same functions as a satellite.

Altitude

Altitude or height is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, and more). As a general definition, altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The reference datum also often varies according to the context. Although the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage.

Vertical distance measurements in the "down" direction are commonly referred to as depth.

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