Patent ID: 7789349

Claim:
An instrument for use in an aircraft instrument panel, the instrument comprising: an electronic display portion to display information to a pilot of an aircraft, the instrument being sized and shaped to be inserted into an aircraft instrument panel in an opening traditionally containing a traditional vertical speed indicator; a flange portion (i) fixedly attached to said display portion (ii) surrounding a perimeter of said display portion (iii) extending from said perimeter of said display portion, and (iv) having four corners that define a flange portion perimeter; a housing portion extending from said flange portion and defining said perimeter of said display portion; a plurality of annunciator lamps on the instrument; and a dog-leg portion extending from said housing portion and directly toward only one corner of said flange portion four corners, the dog-leg portion extending along a plane substantially parallel to a plane defined by said flange portion such that the dog-leg portion abuts the flange.