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Handbook” is used as the main title instead of “Rotorcraft
Flight Manual,” a statement must be included on the title
page indicating that the document is the FAA-Approved
Rotorcraft Flight Manual. [Figure 6-1]
Besides the preliminary pages, an FAA-Approved
Rotorcraft Flight Manual may contain as many as ten sections.
These sections are: General Information; Operating
Limitations; Emergency Procedures; Normal Procedures;
Performance; Weight and Balance; Aircraft and Systems
Description; Handling, Servicing, and Maintenance; and
Supplements. Manufacturers have the option of including
a tenth section on Safety and Operational Tips and an
alphabetical index at the end of the handbook.
PRELIMINARY PAGES
While rotorcraft flight manuals may appear similar for
the same make and model of aircraft, each flight manual
is unique since it contains specific information
about a particular aircraft, such as the equipment
installed, and weight and balance information.
Therefore, manufacturers are required to include the
serial number and registration on the title page to identify
the aircraft to which the flight manual belongs. If a
flight manual does not indicate a specific aircraft registration
and serial number, it is limited to general study
purposes only.
Most manufacturers include a table of contents, which
identifies the order of the entire manual by section number
and title. Usually, each section also contains its own
table of contents. Page numbers reflect the section you
are reading, 1-1, 2-1, 3-1, and so on. If the flight manual
is published in looseleaf form, each section is usually
marked with a divider tab indicating the section number
or title, or both. The Emergency Procedures section may
have a red tab for quick identification and reference.
GENERAL INFORMATION
The General Information section provides the basic
descriptive information on the rotorcraft and the powerplant.
In some manuals there is a three-view drawing of
the rotorcraft that provides the dimensions of various
components, including the overall length and width, and
the diameter of the rotor systems. This is a good place to
quickly familiarize yourself with the aircraft.
You can find definitions, abbreviations, explanations of
symbology, and some of the terminology used in the
manual at the end of this section. At the option of the
manufacturer, metric and other conversion tables may
also be included.
OPERATING LIMITATIONS
The Operating Limitations section contains only those
limitations required by regulation or that are necessary
for the safe operation of the rotorcraft, powerplant, systems,
and equipment. It includes operating limitations,
instrument markings, color coding, and basic placards.
Some of the areas included are: airspeed, altitude, rotor,
and powerplant limitations, including fuel and oil
requirements; weight and loading distribution; and
flight limitations.
AIRSPEED LIMITATIONS
Airspeed limitations are shown on the airspeed indicator
by color coding and on placards or graphs in the
Figure 6-1. The Rotorcraft Flight Manual is a regulatory document
in terms of the maneuvers, procedures, and operating
limitations described therein.
6-2
aircraft. A red line on the airspeed indicator shows the
airspeed limit beyond which structural damage could
occur. This is called the never exceed speed, or VNE.
The normal operating speed range is depicted by a green
arc. A blue line is sometimes added to show the maximum
safe autorotation speed. [Figure 6-2]
ALTITUDE LIMITATIONS
If the rotorcraft has a maximum operating density altitude,
it is indicated in this section of the flight manual.
Sometimes the maximum altitude varies based on different
gross weights.
ROTOR LIMITATIONS
Low rotor r.p.m. does not produce sufficient lift, and
high r.p.m. may cause structural damage, therefore
rotor r.p.m. limitations have minimum and maximum
values. A green arc depicts the normal operating range
with red lines showing the minimum and maximum
limits. [Figure 6-3]
There are two different rotor r.p.m. limitations: power-on
and power-off. Power-on limitations apply anytime the
engine is turning the rotor and is depicted by a fairly narrow
green band. Ayellow arc may be included to show a
transition range, which means that operation within this
range is limited. Power-off limitations apply anytime the
engine is not turning the rotor, such as when in an autorotation.
In this case, the green arc is wider than the poweron
arc, indicating a larger operating range.
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