CHAPTER 1. INTRODUCTION

TM 1-1520-238-MTF 1-1 Change 5 CHAPTER 1. INTRODUCTION 1-1. PURPOSE. The purpose of this manual is to provide complete instruc- tions for performing a maintenance test flight of the AH-64A helicopter. For the specific conditions which re- quire a general or limited maintenance test flight, refer to TM 1-1500-328-23 and TM 1-1520-238-23. 1-2. DEFINITIONS. a. Maintenance Test Flight. A flight for which the primary mission is to determine airworthiness, i.e., that the airframe, power plant accessories and items of equip- ment are functioning in accordance with predetermined requirements in the intended operational environment. b. Warnings, Cautions, and Notes. Warnings, cau- tions, and notes are used to emphasize important and crit- ical instructions and are used for the following conditions: WARNING An operating or maintenance procedure, practice, condition, or statement which, if not strictly observed, could result in in- jury to or death of the person who per- forms the action which follows the warn- ing. CAUTION An operation procedure, practice, condi- tion, or statement which, if not strictly observed, could result in damage to or destruction of equipment or loss of mis- sion effectiveness or long term health hazard to personnel who perform the ac- tion which follows.