TM 55-1510-215-10
CHAPTER 1
INTRODUCTION
1-1. General.
1-4. Appendix A, References.
These instructions are for use by the operator. They
apply to the U-21G aircraft.
within the manual applicable to and available for flight
crews.
1-2. Warnings, Cautions, and Notes.
1-5. Appendix B, Abbreviations and Terms.
Warnings, cautions, and notes are used to
emphasize important and critical instructions and are
used for the following conditions:
used throughout the manual.
1-6. Index.
WARNING
The index lists, in alphabetical order, every rifled
paragraph, figure, and table contained in this manual.
An operating procedure, practice,
etc., which if not correctly followed,
within the chapter.
could result in personal injury or loss
of life.
1-7. Army Aviation Safety Program.
Reports necessary to comply with the safety
CAUTION
program are prescribed in AR 385-40.
1-8. Destruction of Army Materiel to Prevent Enemy
An operating procedure, practice,
Use.
etc., which, if not strictly observed,
For information concerning destruction of Army
could result in damage to or
destruction of equipment.
materiel to prevent enemy use, refer to TM 750-24-1-5.
1-9. Phased Maintenance Checklist.
NOTE
Phased maintenance checklist for the U-21G are
An operating procedure, condition,
prescribed in TM 55-1510-200-PM.
etc., which is essential to highlight.
1-10. Forms and Records.
1-3. Description.
This manual contains the best operating instructions
Army aviators flight record and aircraft maintenance
records which are to be used by crew members are
and procedures for the U-21G under most
prescribed in TM 38-750 and TM 55-405-9.
circumstances.
The observance of limitations,
performance, and weight/balance data provided is
1-11. Explanation of Change Symbols.
mandatory. The observance of procedures is mandatory
except when modification is required because of multiple
emergencies, adverse weather, terrain, etc. The pilot's
Changes to the text and tables, including new
maternal on added pages shall be indicated by a vertical
flying experience is recognized, and therefore, basic
bar in the outer margin extending close to the entire
flight principles are not included.
THIS MANUAL
SHALL BE CARRIED IN THE AIRCRAFT AT ALL
TIMES.
1-1
