Artificial horizon training aid

A training aid simulating the display of an artificial horizon instrument, comprising:

• a circular base having a circular window formed therein;
• a circular, mostly transparent rotatable disc having an opaque symbolic depiction of an aircraft and a pointer formed thereon;
• and
• a horizon indicating member having indicia comprising a symbolic depiction of a horizon formed thereon, said horizon indicating member disposed to be visible below said rotatable disc and to be visible within said base, wherein said horizon indicating member has a first field defined by a light colored surface, a second field defined by a dark colored surface, and a straight line of demarcation located at the joint of and demarcating said first field and said second field, said symbolic depiction of a horizon comprising said line of demarcation,
• said base having
• first lateral walls partially surrounding said rotatable disc, index marks forming a scale visible below said rotatable disc, wherein said scale is disposed around half of and is located immediately adjacent to said window of said base, and wherein said lateral walls are dimensioned and configured to constrain said rotatable disc to move only in rotation relative to said base, and
• second lateral walls partially surrounding said horizon indicating member, said second lateral walls dimensioned and configured to constrain said horizon indicating member to move only linearly relative to said base.