Static Port Blockage

Question 1

Airspeed indicator

Answer 1

Indicates correctly only at the blockage altitude
Higher altitudes, less pressure so airspeed detects less air thinking we are going slower
Lower altitudes, more pressure so airspeed detects more air thinking we are going faster

Question 2

Altimeter

Answer 2

Will freeze on the altitude where it was blocked

Question 3

VSI

Answer 3

Freezes on zero

Question 4

Alternate static source

Answer 4

Lower static is measured, indicating a higher speed, altitude and shows a climb