Section X
Safety Information
TURBULENT
WEATHER
~ft
Twin Engine (Piston)
A complete and current weather briefing is a requirement for
a safe trip.
Updating of weather information en route is also essential.
The wise pilot knows that weather conditions can change
quickly
r and treats weather forecasting as professional
advice, rather than an absolute fact. He obtains all the
advice he can! but stays alert to any sign or report of chang-
ing conditions.
Plan the flight to avoid areas of reported severe turbulence.
It is not always possible to detect individual storm areas or
find the in-between clear areas.
The National Weather Service classifies turbulence as fol-
lows:
Class of
Turbulence
Extreme
Severe
Moderate
10-28
Effect
Airplane is violently tossed about and
is practically impossible to control. May
cause structural damage.
Airplane may be momentarily out of
control. Occupants are thrown violently
against the belts and back into the
seat. Unsecured objects are tossed
about.
Occupants require
seat
belts and
occasionally are thrown against the
belt. Unsecured objects move about.
May, 1994
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