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7.4 Use of wing fold mechanism Use of the optional Skyranger wing fold
mechanism is detailed in the wing fold instructions which should be
put in Annex G
8.
Weight and Balance
8.1
So long as it is kept within the placarded operating limits, and no
unapproved modifications have been made since construction
(including the alteration of ballast), the Skyranger can be flown with
any permitted fuel, pilot and passenger weights without falling outside
of its permitted CG limits. However, pilots should be aware that stick
forces and displacements will become lighter with aft CG (typically a
heavy crew and full fuel) and heavier with forward CG (typically low
fuel, light pilot only). Also at aft Cg, the hands off stability will be
reduced. The aircraft will have an increased tendency to lower damping
in Phugoid motion (hunting in speed and height when disturbed),
which will be most noticeable in turbulent conditions. Flying outside of
the permitted CG limits at either extreme is potentially dangerous and
should not be attempted in any circumstance.
8.2
CG Datum The Skyranger CG datum and limits are contained in the
HADS
8.3
CG moment arms The moment arms of the seats, fuel tank(s) and
other items are shown in the HADS HM4 and in the Weight and CG
report at Annex C.
8.4
Weighing The Skyranger will have been weighed when first built, and
must be re-weighed at intervals as laid down by the BMAA and CAA
(typically every 5 years or when it is modified or repaired).
8.4.1 Weighing should be carried out by a BMAA 3-axis inspector or
Technical Team member. A copy of the W&CG report must be retained
in this manual at Annex C. Also at each weighing, details of the
weighing must be entered in the aircraft logbook. Full instructions on
how to weigh a microlight aircraft are contained in BMAA technical
information leaflet TIL 012, and specifically for the Skyranger in HADS
HM4.
Skyranger Operators Manual, Issue 3, Feb 2011
22
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