5-1 GENERAL
This section of the Pilot’s Operating Handbook contains all of the performance
information required by the Federal Aviation Regulations, as well as additional
information provided by Quest Aircraft Company. The performance data
charts on the following pages are presented so that the pilot may know what
type of performance to expect from the airplane under various conditions.
The charts provided in this section should be utilized in order to facilitate
accurate planning of ights. The data contained in the charts is compiled
from actual ight tests using normal piloting techniques, with an airplane and
engine in good operating condition.
The performance information provided in the Range and Endurance Prole
charts includes the required IFR fuel reserve of 45 minutes, at the specied
cruise power setting and altitude. When compiling information for preight
planning, it is important to be aware of conditions which may affect airplane
performance such as engine and propeller condition, along with turbulent
weather conditions.
Various graphs include notes concerning the approximate effects of operating
the engine with the inertial separator in BYPASS mode. The degree of
effect on performance will vary, depending upon airspeed, temperature and
altitude. At lower altitudes, where engine power will normally be limited by
the maximum torque limits, the effect of operating with the inertial separator in
BYPASS will normally be less.
FLIGHT PLANNING
The performance tables provided in this section provide sufcient information
to facilitate reasonably accurate calculation of performance data when
considering different variables. Reasonable preight planning accuracy
can be attained from the performance gures if conservative values are
selected from the detailed information provided in the tables. However,
variations in engine and propeller condition, air turbulence and other variables
encountered during a particular ight may account for variations of 10% or
more in range and endurance.
WARNING: In order to duplicate the performance data provided in
this section, and prevent damage to the airplane or personal injury, the
airplane and engine must be in good operating condition. All charts are
based on airplanes in factory-issued condition, without modication. Good
piloting technique and proper preight planning involving the use of the
performance data for all phases of ight are also required to attain the
expected performance and assure ample margins of safety.
NOTE: Various tables throughout this section will contain blue numbers,
which indicate performance with Air Conditioning ON, while black numbers
indicate performance with Air Conditioning OFF. Air Conditioning may be
abbreviated as “AC.”
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General