Tecnam P92 Echo MKII - Page 26

Page 2- 4
Section 2 - Limitations
AIRSPEED INDICATOR MARKINGS
1
st
Edition - Rev. 0
3. AIRSPEED INDICATOR MARKINGS
Airspeed indicator markings and their colour code are explained in the following
table.
MARKING
IAS
[knots]
EXPLANATION
White arc
41 – 70
Positive Flap Operating Range (lower limit is
1.1V
SO
, at specified maximum weight and
upper limit is the maximum speed permissi-
ble with landing flaps extension).
Green arc
51 – 113
Normal Operating Range (lower limit is
1.1V
S1
at specified maximum weight and
most forward c.g. with flaps retracted and up-
per limit is maximum speed for rough air
V
RA
).
Yellow arc
113 – 145
Manoeuvres must be conducted with caution
and only in smooth air.
Red line
145
Maximum speed for all operations.
Blue line
98
Design Manoeuvring speed