Altitude in thousands of feet. "Angels fifteen" means 15,000 ft.
NOT to be used by commercial pilots trying to be cool. Also, a term
lovingly ascribed to the rescue helicopter by any aviator who has
experienced an ejection and subsequent helicopter rescue.
"We are disappointed that NASA took no action to resolve
this claim, and that we had to resort to the courts in order to
achieve a fair and reasonable settlement."
Source: SPACEHAB President and CEO Michael E.
Kearney, commenting on the filing of a civil complaint against NASA
with the United States District Court in Houston, TX for loss and
damages suffered during the Space Shuttle Columbia tragedy in