AFT LIMIT
The aft CG limit is at FS 94.5 inches and must be con
-
sidered a firm limit. Loads which place the CG further
aft are dangerous and must not be accepted. A “Weight
and Balance” sheet must be completed and carried in
the aircraft at all times.
REFERENCE DATUM
The Datum is located at FS “0”. This can be located by
measuring 51.25” forward of the bottom forward face
of the firewall.
MEAN AERODYNAMIC CHORD.
The MAC corresponding to the CG limits of 86.5 and
94.5 are 8.0% and 27.5% respectfully.
FLIGHT LOAD FACTOR LIMITS
Flaps Up
+4.4, to -2.3 g’s.
Flaps Down
+3.8, to -2.0 g’s
TYPES OF OPERATIONS AND LIMITS
The Lancair IV is approved for the following types of
flight when the required equipment is installed and op-
erations are conducted as defined in the LIMITATIONS
section.
1. VFR, day and night
2. IFR, day ;and night
Warning
1. Flight operations with passengers for hire
and
2. Flight into known icing is prohibited.
FUEL QUANTITIES
(U.S. Gal.)
Standard
fuel
80
Extended Fuel option
90
FUEL MANAGEMENT
Do not take off with less than 10 gallons in each tank.
There is no interconnection between the wing tanks.
SEATING
The aircraft accommodates 4 adult occupants. Fully
functional controls allows the aircraft to be flown from
either front seat.
WINTER OPERATIONS
Winter Operations are acceptable with proper oil grades
for the operating temperatures. Engine pre-heating is
recommended when the ambient temperature is below
freezing.
Emergency Procedures