Mountain Flying

Question 1

When experiencing a strong updraft, total rotor thrust is (increased, decreased) because induced flow is briefly (increased, decreased), inflow angles (increase, decrease) which results in a (rise, fall) of rotor rpm.

Answer 1

Increased
Decreased
Decrease
Rise

Question 2

When crossing a mountain ridge into a strong headwind you should have sufficient clearance height (before, after) you cross the ridge and cross the ridge at a ( 90deg, oblique) angle.

Answer 2

Before
Oblique

Question 3

If there is an inversion above your planned cold mountain landing site, you should anticipate that translational lift will (increase, decrease) as you descend through the inversion.

Answer 3

Decrease

Question 4

In strong wind flow conditions, low level operations on the (lee, windward) side of a mountain are likely to encounter rotor action which can be associated with (severe, weak) turbulence.

Answer 4

Lee
Severe

Question 5

Whenever possible, fly on the (downwind, upwind) side of a valley because on that side there is likely to be (up, down) drafts and a (greater, smaller) radius involved should a reversal turn be necessary.

Answer 5

Downwind
Up
Smaller

Question 6

Approaching a pinnacle, it is (easier, more difficult) to assess the slope of the surface and ground effect becomes effective (earlier, later) during the approach.

Answer 6

More difficult
Later

Question 7

If you have to land on a high level landing site surrounded by irregular features, you should aim to complete the approach (short of, over the site).

Answer 7

Over

Question 8

If your landing area is snow covered, you (should, should not) plan a lengthy hover because ground effect will be (improved, diminished) and there is a risk of disorientation due to ——- snow.

Answer 8

Should not
Diminished
Swirling