Categorization should include
- primary instruments
- gyro
- compass
- altimeter
- airspeed
- secondary instruments
- vertical speed indicator
- turn rate gyro (turn needle)
- clock
- engine instrumentation
- Global Positioning System (GPS)
- Very High Frequency Omnidirectional Range (VOR)/ Very High Frequency Omnidirectional Range/Tactical Aircraft Control (VORTAC) systems
- automatic direction finder (ADF)
- instrument landing system (ILS).
Process/Skill Questions:
- How are aircraft instruments classified?
- How do principles of physics relate to these instruments?
- What is the purpose of each of the aircraft instruments?
- How have aircraft instruments evolved?
- What are the minimum instruments required for VFR or IFR flight?