4-4 AMPLIFIED NORMAL PROCEDURES
The following Amplied Normal Procedures elaborate upon information
contained in the Normal Procedures Checklist portion of this Section. These
amplied procedures provide information not readily adaptable to a checklist
format. Pilots should become familiar with the amplied procedures to have a
better understanding of why certain steps are performed in the checklists and
to assist in troubleshooting emergencies.
PREFLIGHT INSPECTION
It is the pilot-in-command’s responsibility to ensure the airplane is ready
for ight. Along with the Preight Inspection checklist, the following checks
should be performed prior to a ight:
1. Ensure the fuel supply is free of debris or contamination before ight. Any
traces of solid contaminants such as rust, sand, pebbles, dirt, or bacterial
growth must be considered hazardous and removed from the fuel system
prior to ight. In addition to debris in the fuel, liquid contamination must
also be removed; this includes water, incorrect fuel types, or unapproved
additives. Fuel samples should be taken from all of the fuel drain locations
during each preight inspection and following every refueling of the aircraft.
2. The seventeen (17) fuselage oor skin drain holes should also be checked
for any sign of blockage or leakage.
3. The preight inspection checklist is recommended for utilization prior to
each ight. If the airplane has been in storage for an extended amount of
time, has had recent major maintenance work, or has been operated from
rough or unimproved surfaces, a more extensive exterior inspection is
recommended.
4. Flights taking place at night or in cold weather involve careful preight
inspection of other specic areas, which are outlined in this Section.
During cold weather operations, it is essential to remove even small traces
of frost, ice or snow from the wings, tail and control surfaces. Ensure
the control surfaces and ap tracks do not contain internal ice or debris
accumulations. If these requirements are not performed, a noticeable
degradation of performance may occur, possibly to the extent where a safe
takeoff and climb may not be possible. Prior to any ight into instrument
WARNING: Visually inspect the airplane for general condition, while
performing a walk-around inspection, and remove any ground service
equipment. It may be necessary to use a ladder to gain access to the
wings for visual inspection, refueling and checking the stall warning vane
and pitot heat.
NOTE: This check is especially important if your aircraft is equipped with
an External Cargo Compartment. Care should be taken to open the cargo
compartment doors and conrm all sidewall and sub-oor drain holes are
clean.
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