Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task H. Aircraft Instrument Systems

AM.II.H.K18

Knowledge

Head-up displays (HUDs).

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Instrument Procedures Handbook p. 5-7
Chapter 5: Improvement Plans › Head-Up Displays (HUD)
Head-Up Displays (HUD) As aircraft became more sophisticated and electronic instrument landing systems (ILS) were developed in the 1930s and 1940s, it was necessary while landing in poor weather for one pilot to monitor the instruments to keep ... aircraft while also monitoring a large number of navigation, flight, and systems instruments. To overcome this problem, the head-up display (HUD) was developed. By showing airspeed, altitude, heading, and aircraft attitude on the HUD glass, pilots were able…
Instrument Procedures Handbook p. G-5
Glossary
close a VFR/IFR flight plan. Head-Up Display (HUD). See head-up guidance system (HGS). Head-up Guidance System (HGS). A system that projects critical flight data on a display positioned between the pilot and the windscreen. In addition ... showing primary flight information, the HUD computes an extremely accurate instrument approach and landing guidance solution, and displays the result as a guidance cue for head-up viewing by the pilot. Height Above Touchdown (HAT). The height…
Instrument Flying Handbook p. 5-36
Chapter 5: Flight Instruments › Required Navigation Instrument System Inspection › Before Engine Start
structure near the ports that would disturb the air flowing over them. Figure 5-60. A head-up display (HUD). 2. Aircraft records: Confirm that the altimeter and static system have been checked and found within approved limits within…