HEATING AND VENTILATING EQUIPMENT, AIRPLANE-GENERAL REQUIREMENTS FOR ARP85A

This specification is written to cover heating and ventilating equipment under four main classifications, namely;

A
HEATING AND VENTILATING EQUIPMENT - GENERAL - Dealing with features applicable to all makes and uses.
B
HEATING AND VENTILATING EQUIPMENT - MILITARY - Dealing with features applicable only to military aircraft.
C
HEATING AND VENTILATING EQUIPMENT - COMMERCIAL - Dealing with features applicable only to commercial aircraft.
D
DESIRABLE DESIGN FEATURES - General information for use of those concerned in meeting requirements contained herein.