Command Instrument System (CIS)

Introduction

• Objectives• Components• Modes of Operation• Instructing Techniques

OBJECTIVES

• Enhance Understanding of the

Command Instrument

System.

• Apply Knowledge to Our Role as

Instructor / Evaluator.

COMPONENTS• Vertical Situation

Indicator’s (VSI)• Horizontal Situation

Indicator’s (HSI)• Command Instrument

System Processor (CISP)• HSI/VSI Mode Select

Panels• CIS Mode Select Panel

HSI

10 MODES OF OPERATION

• Manual Heading• Altitude Hold• VOR Navigation• ILS Navigation• ILS Approach• ILS Backcourse• Level Off• Go-Around• Doppler, Doppler / GPS• FM Homing

MANUAL HEADING

ALTITUDE HOLD

VOR NAVIGATION

ILS NAV (outside capture zone)

ILS NAV

BACK COURSE

LEVEL OFF

CIS Mode SelectorHSI/VSI Mode Selector

Cyclic Roll Cmd BarCyclic Pitch Cmd Bar

Collective Position Ind.

NAV

VOR/ILS/BC

YES

YES

YES

GO AROUND

DOPPLER

FM HOMING

CIS Mode SelectorHSI/VSI Mode Selector

Cyclic Roll Cmd BarCyclic Pitch Cmd Bar

Collective Position Ind.

NAV

FM HOME

YES

NO

NO

NOTES

NOTE - The switches on the VSI/HSI and CIS mode select panels may change state when the caution/advisory panel BRT/DIM-TEST switch is set to TEST. The original indications may be restored by pressing the applicable switches.

NOTE - ALT hold mode should be manually disabled during localizer, localizer backcourse, VOR, and ADF approaches.

INSTRUCTING TECHNIQUES

• Ensure a Total Understanding.• Watch for Information Overload.• Explain Where Normal Operation Will

Conflict With Desired Result.

• Watch for Misapplication of Information.• Demonstrate Techniques.

SUMMARY

QUESTIONS?