Mountain Flying - Beechcraft Musketeer Sport III A23-19 Pilot Operating Handbook

Sectlon X
~ft
Safety lnformatlon
Single Englne (Piston)
5. Do avoid by at least 20 miles any thunderstorm identi-
fied as severe or giving an intense radar echo. This is
especially true under the anvil of a large cumulonimbus.
6. Do circumnavigate the entire area if the area has 6/10
or greater thunderstorm coverage.
7. Do remember that vivid and frequent lightning indicates
the probability of a severe thunderstorm.
8. Do regard as extremely hazardous any thunderstorm
with tops 35,000 feet or higher, whether the top is visu-
ally sighted or determined by radar.
lf you cannot avoid penetrating a thunderstorm, the follow-
ing are some do's BEFORE antering the storm:
9. Tighten your safety belt, pul on your shoulder harness,
and secure allloose objects.
10. Plan and hold your course to take you through the
storm in minimum time.
11. To avoid the most critical icing, establish a penetration
altitude below the freezing level or above the level of
-15°C.
12. Verify that pilot heat is on and turn on carburetor heat
or engine anti-ice. lcing can be rapid at any altitude and
causa almost instantaneous power failura andlor loss of
airspeed indication.
MOUNTA/N FL Y/NG
Pilots flying in mountainous areas should inform themselves
of all aspects of mountain flying, including the effects of top-
ographic features on weather conditions. Many good articles
have been published, and a synopsis of mountain flying
operations is included in the FAA Airman's lnformation Man-
ual, Part 1.
Avoid flight at low altiludes over mountainous terrain, par-
ticularly near the Iee slopes. lf the wind velocity near the
10.32 May, 1994