Eagle ICA-D212-725, Instructions Manual

Page: 61 / 729

ICA-D212-725 (08)
Page 6 of 15
CHAPTER 08 – WEIGHT AND BALANCE (08-00-00)

COPYRIGHT

2007 BY DART AEROSPACE LTD.

THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY OTHER
PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
0
Date: 07.05.31
8.5 DETERMINING AMOUNT OF
BALLAST REQUIRED
8.5.1
Verify that the most forward and most
aft weight and balance configurations of the
helicopter are within Gross Weight vs Center of
Gravity information provided in the FMS-D212-
725-1. If ballast is required to maintain aircraft
within the operational center of gravity add ballast
as per section 8.6 and 8.7 as applicable.
NOTE
Be sure to include weight and balance information
in calculations for installed kits (i.e. floatation kits,
auxiliary fuel tanks etc.)
8.5.2
When Weight Empty CG is not within
acceptable range determine the correct amount of
ballast that needs to be added.
NOTE
Derived weight and CG are “as weighed” values
plus those Weight Empty items which may have
been omitted, and minus those items which are
not part of Weight Empty.
8.5.3
Check derived weight plus ballast and
resultant CG on the Gross Weight vs Center of
Gravity Chart provided in the FMS-D212-725-1;
add or remove ballast if necessary to arrive at
desired CG.
NOTE
For weight and balance sample problem, refer to
paragraph 8.8.
8.5.4
Whenever a helicopter has a unique
situation such as: Nonstandard seating
arrangement, nonstandard crew and/or passenger
weights, baggage compartment being loaded, or
weight empty exceeds chart, the forward and aft
extremes for that configuration should be
computed and checked against Gross Weight vs
Center of Gravity chart to compute ballast
requirements. The Gross Weight vs Center of
Gravity chart is the final authority for determining
ballast requirements. Refer to weight and balance
chapter in supplied FMS-D212-725-1 for additional
information.