Turn and slip

Introduction to Basic Instruments

T-45C TS & ADV BIFP-02

b. Purpose:

(1) Airspeed indication

(a) Displays indicated airspeed in knots

(b) Used as performance indicator for power and

pitch

(2) Mach indication

(a) Displays mach in hundredths

(b) Used as performance indicator for cruise flight

2. Standby airspeed indicator

a. Location: left side of the instrument panel

b. Purpose: Standby airspeed indication and cross-

check of the airspeed indication on the ADI display

E. Turn and slip

1. Turn and slip indication

a. Location: on the ADI display

b. Purpose:

(1) Turn indicator displays turn rate relative to

standard rate (3 degrees/seconds)

(2) Slip indicator shows degree of flight coordination

(a) Ball deflection in the direction of the turn

indicates a slip

(b) Ball deflection in the opposite direction of the

turn indicates a skid

(8-99) Original

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