PPL PPL Flight Instruments and Weather

Question 1

What does the altimeter measure and what errors can affect its accuracy?

Accepted Answer

Atmospheric pressure to indicate altitude; errors include non-standard temperature, pressure setting errors, and instrument lag

Answer

Ground speed only

Answer

Wind direction

Answer

Engine performance

Question 2

What are the minimum weather requirements for VFR flight in Class G airspace below 1,200 feet AGL during the day?

Accepted Answer

1 statute mile visibility and clear of clouds

Answer

3 statute miles visibility and 500 feet below clouds

Answer

5 statute miles visibility

Answer

No weather minimums in Class G

Question 3

What causes a stall in an aircraft?

Accepted Answer

Exceeding the critical angle of attack, disrupting airflow over the wing — this can occur at any airspeed and attitude

Answer

Flying too slowly

Answer

Engine failure

Answer

Running out of fuel

Question 4

What is the magnetic compass's turning errors?

Accepted Answer

In the Northern Hemisphere: leads on turns from N, lags on turns from S (UNOS: Undershoot North, Overshoot South)

Answer

The compass has no errors

Answer

Errors only occur above 10,000 feet

Answer

The compass only works while flying straight

Question 5

What information is provided in a METAR weather report?

Accepted Answer

Station, time, wind, visibility, weather phenomena, sky conditions, temperature/dewpoint, and altimeter setting

Answer

Only temperature and wind

Answer

Just visibility conditions

Answer

Only precipitation type

Question 6

What is the purpose of a flight plan?

Accepted Answer

To provide search and rescue notification if the flight is overdue, and to communicate intended route and timing to ATC/FSS

Answer

It is a legal requirement for all flights

Answer

To request special airspace access only

Answer

To book a parking space at the destination