Chapter 20: Cockpit Heating,Ventilating, and Windshield Defogging Systems

CHAPTER TWENTY

COCKPIT HEATING, VENTILATING, AND WINDSHIELD DEFOGGING SYSTEMS

2000. INTRODUCTION

As student aviators, it is necessary for you to become familiar with the T-34C cockpit heating,

ventilating, and windshield defogging system. You must also become familiar with the location,

and operation of various controls and components of the system in order to maintain a safe and

comfortable environment inside the cockpit.

2001. LESSON TOPIC LEARNING OBJECTIVES

Terminal Objective

20.0 Upon completion of this chapter, the student will demonstrate knowledge of the T-34C

cockpit heating, ventilating and windshield defogging system characteristics.

Enabling Objectives

20.1

State the purpose of the cockpit heating and ventilating systems.

20.2

Recall the sources of air for cockpit heating and ventilation.

20.3

Describe the location and purpose of the cockpit environmental control lever.

20.4 State the changes in cockpit environment that occur by varying the position of the

environmental control lever.

20.5

Describe the location and purpose of the heating and ventilating system components.

20.6 Describe the results obtained in the heating and ventilating system by varying the position of

the environmental control lever.

20.7

State the location and purpose of the air duct overtemperature warning system.

20.8

Describe the location, purpose, and method of operation of the aft cockpit ventilation system.

20.9

Describe the location, purpose, and method of operation of the windshield defog system.

COCKPIT HEATING, VENTILATING, AND WINDSHIELD DEFOGGING SYSTEM 20-1