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Page Title:
Unusal Attitudes (Partial Panel) |
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|  T-34C INSTRUMENTS
CHAPTER THREE CHG 2
iii.
Not scanning turn needle during transitions or airspeed corrections. There is no
immediate need to reference the pressure instruments when correcting; they will
not indicate a positive reaction immediately.
314.
UNUSUAL ATTITUDES (PARTIAL PANEL)
1.
It is of extreme importance during actual instrument flight that the pilot not allow himself to
get into a situation which could result in an unusual attitude on partial panel. It is sometimes
difficult to visualize, through the partial panel instruments, either the nose attitude or the wing
position. For example, beyond a twoneedle width turn where the needle is pegged, there may exist
a higher rate of turn or a continuous roll.
2.
The unusual attitudes will be entered in a smooth and coordinated manner from normal cruise.
The instructor will not exceed the following limitations on entry.
a.
Fifty degrees nose high.
b.
Forty degrees nose low.
c.
A twoneedle width deflection on the turn needle.
3.
The recovery procedures are as follows:
a.
Hold the stick pressure as you recognize whether nose high or nose low by the actions of
the airspeed indicators; wing position by the turn needle.
b.
At this time, if the airspeed is approaching 200 knots, reduce power to idle, crosscheck
the altimeter and VSI.
c.
Using smooth coordinated rudder and aileron, center the ball, then level the wings on the
turn needle.
d.
Smoothly and slowly relax stick pressure as necessary to stop the airspeed as you keep
the ball centered and wings level.
e.
When the airspeed is stopped, shift your scan to the turn needle balance ball and the VSI.
Keep the ball centered and the wings level as you adjust nose position until the VSI
stabilizes at "0". If you had previously reduced the power on recovery (nose low), reset
normal cruise power approaching 150 knots.
4.
Common Errors
a.
Rolling wings level rapidly and overbanking in the opposite direction. Remember to
"lead" the turn needle by stopping the wings prior to the needle completely centering.
b.
Not stopping the airspeed.
BASIC INSTRUMENTS FLIGHT PROCEDURES 3-43
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