OPERATION MANUAL
SILA 450 c
AERO EAST EUROPE
Date 01.09.2015.
Revision 00
Page | 11
LIMITATIONS
2.1 INTRODUCTION
Section 2 describing limitations which are must not to be exceed for safe flight. All
limitations are market with appropriate placards.
2.2 AIR SPEED LIMITATIONS
Air Speed Limitations and their operational significance are shown in Figure 2-1.
Maneuvering speed shown apply to normal category operations
SPEED
IAS
REMARKS
V
NE
Never Exceed Speed
223 km/h
120(knots)
Do not exceed this speed
in any operation
V
H
Maximum Structural
Cruising Speed
204 km/h
110(knots)
Do not exceed this speed
except in smooth air.
V
RA
Maximum speed for
rough air
183 km/h
99 knots
Exceed this speed only in
smooth air
V
A
Maneuvering Speed
165 km/h
89 (knots)
Do not make full or abrupt
control movements above
this speed
V
FE
Maximum Flaps ExtSpeed:
19° - 38° Flaps
½ - Full Flaps
106 km/h
57 (knots)
Do not exceed this speed
with flaps down. Take care
about flaps setting
V
NE
Maximum gear operating
speed
223 km/h
120(knots)
The landing gear is not
retractable
Figure 2-1. Airspeed Limitations
2.3 AIR SPEED INDICATOR MARKINGS
Airspeed Indicator markings and their color code significance are shown in figure 2-2.
MARKING
IAS VALUE OF RANGE
SIGNIFICANCE
White Arc
From 1.1 V
S0
72 – 106 km/h
38 – 57(knots)
Full Flap Operating Range. Lower limit is maximum
weight V in landing configuration. Upper limits
maximum speed permissible with full flaps extend.
Green Arc
91 km/h(49 knots)
Normal Operating Range. Lower limit is maximum
weight V at most forward C.G. with flaps retracted.
Upper limit is maximum structural cruising speed.
bar
165km/h(89knots)
From 1.1 V
S1
183km/h(99 knots)
Yellow Arc
183 – 223 km/h
223 – 120 (knots)
Operating must be conducted with
caution and only in smooth air.
Red Line
2
223 km/h
=
120 (knoots)
Maximum speed for all operations!!!
Figure 2-2. Airspeed Indicator Makings
Remark :
The color of placard on Air Speed Indicator is the same as in Figure 2 – 2
WARNING
Do not exceed speed of 223,6 km/h(120,6 knots) at any operation and at under any circumstances.