High Altitude Long Endurance

The abbreviation HALE stands for High Altitude Long Endurance and is a possible classification of unmanned aerial vehicles (Unmanned Aerial Vehicle - UAV). High Altitude refers to the operating altitude, which in the case of HALE-UAVs is over 15,000 m (approx. 45,000 ft ). Long Endurance describes mission times over 24 hours.

Examples

Typical representatives of this class are:

• Global Hawk
• Helios
• zephyr
• Mercator

See also

• Medium Altitude Long Endurance
• drone
• High platform

Individual evidence

1. ↑ Sascha Lange: "flying robots instead of manned military aircraft?" ; SWP study from July 2003 (PDF, 272 kB)
2. ↑ US Air Force: RQ-4 GLOBAL HAWK. (No longer available online.) Archived from the original on February 3, 2010 ; Retrieved January 26, 2010 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.  
3. ^ NASA: Helios Prototype Solar-Powered Aircraft. Retrieved January 26, 2010 . 
4. ↑ QinetiQ: QinetiQ's Zephyr UAV exceeds the official world record for longest duration unmanned flight. (No longer available online.) Archived from the original on April 23, 2011 ; Retrieved January 26, 2010 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.  
5. ↑ BBC News: 'Eternal planes' to watch over us. Retrieved January 26, 2010 .