Cessna 402C - Page 115

SECTION· 5
PERFORMANCE
AIRSPEED CALIBRATION
(;o;;L402C
- ALTERNATE STATIC SOURCE
NOTE:
1. Indicated airspeed assumes zero instrument error.
2.
The following calibrations are not valid in the prestall buffet.
3.
The following calibrations are valid for pilot's and copilot's
airspeed indicators when the standard static system is installed.
4. An alternate static source is not available for copilot's instruments
when optional dual static system is installed.
5. The following calibrations are valid with the ram air control pulled
out. Calibrations presented in parenthesis are valid
when the ram air
control is pushed in
PILOT'S FOUL WEATHER WINDOW CLOSED WITH HEATER OFF
Gear Up Gear Down Gear Down
Flaps 00
Flaps 15°
Flaps
450
KIAS KCAS KIAS KCAS
KIAS KCAS
---
--- ---
---
80 76
---
---
---
---
90 85
90
91 90
87
98* 93*
100
100
100
96 100 94
120
118
120 114 120 113
140 137 140 133
140
130
160
155
160
151 156
145
180 174 180 169
---
---
200
192 186 175
--- ---
PILOT'S FOUL WEATHER WINDOW CLOSED WITH HEATER ON
---
--- --- ---
80 77
77'
90
91
91
90 88 90 90 86 86
---
---
--- ---
97* (97* 93*
93*
100 100 100
100
97 99
100
95
95
120 120 118
120
115
117 120 114 114
140
139
137
140 134 135 140
132 132
1bU
158
155
160
152
153
154 (154
145 145
180
177
174
180
170
171
---
---
200 196 192 185 175 175
--- ---
PILOT'S FOUL WEATHER WINDOW OPEN WITH HEATER ON OR OFF
---
---
--- ---
80 73
90
86 90 83 90 82
100 95
100
92 100 91
---
--- ---
---
102*
93*
120
114 120 111 120 109
140
133 140
130 140 128
160
152 160
149
159 145
180 170 180 168
--- ---
200
189 188
175
--- ---
*Recommended Minimum All Engines Approach Speed at 6850 Pounds With
45° Wi n9 Fl aps.
Figure 5-2