Fighters Anthology brought the DOS sims US Navy Fighters, Marine Fighters, Advanced Tactical Fighters, NATO Fighters and the Windows sim USNF '97 into one collection under Windows.
Exhibit: Fighters Anthology (1998)

HASELL

HASELL is an acronym for Heading, Altitude, Speed, Lookout, Location.

HASELL check
Heading, Altitude, Speed

Check Engine status
Look left Look Right
LOOKOUT

Look Back
Lookout

Visually confirm the position of the Landmark
Location. - Cross check landmarks and the map.