DCS: CH-47F | Landing
NOTE 1: Apologies for the sick voice. I am fighting COVID.
NOTE 2: This video shows landing without LCT and basic DASH functions. These and rotor droop will come during the early access period.
In this CH-47F video, we’ll look at getting this bird back on the ground safely. We’ll learn to do so from first performing a Visual Meteorological Condition (VMC) landing and then a roll-on landing at a prepared surface. Let’s get started.
Before we look at some examples, let’s look at an important indication on the VSD, Vertical Situation Indicator, when landing. Along the right side is the barometric altimeter, but to the right of that is the Vertical Velocity scale and indication. When the chevron is at zero, our altitude does not change. As we ascend or descend though the scale will move to reflect or vertical velocity regarding feet per minute with a maximum indication of 3,000 feet per minute. .5 as an example indicates 500 feet per minute and 1 indicates a thousand feet per minute.
For a VMC landing, we’ll first select the spot that we want to touch down at from a hover or a very short roll. We’ll need to evaluate any obstacles in the area and ensure we’re not too heavy. If possible, try to land with a left crosswind of no more than 45 knots. You can also target a tail wind landing, but only if the wind is less than 40 knots. For winds greater than 45 knots, land with a headwind.
As you might imagine, the advantage of this landing method is that you don’t need an improved surface like a runway or road. This disadvantage is that you’ll need to have a higher power margin than a roll-on landing.
Once aligned with the landing spot, lower the thrust lever to adjust for altitude and adjust the cyclic for airspeed. Use left and right cyclic to adjust your ground track. When descending, you’ll generally be doing so with a nose-high attitude of about plus 5-degrees. When descending, try to avoid coming too low as this can lead to impacting obstacles.
For a normal decent, target around 300 feet per minute and for a steep decent around 700 feet per minute. In this example, I’m around 500 feet per minute. A steep angle may be more useful when there are obstacles around the landing area.
As you near the landing spot, you may need to add more aft cyclic to bleed off more airspeed.
Once the wheels are down, adjust the cyclic to remove any velocity. Once at a stop, position the cyclic slightly aft, neutralize the pedals, and fully lower the thrust lever.
A roll-on landing is much the same as a VMC landing. It’s the final stage that will differ.
As before, we’ll first determine our touchdown point and intercept our approach heading. Lower the thrust lever and add aft cyclic of about 5-degrees nose high to maintain a constant rate of decent. Keep the aircraft in trim using the pedals and left and right cyclic to adjust ground track.
At no less than 100 feet, add more aft cyclic to further decelerate below 60 knots ground speed. At 50 feet, use the pedals to refine your approach to align with the landing roll-on area. You should be roughly 5-dgrees nose high during this descent. This may vary as you use cyclic to adjust airspeed.
Once the aft landing gear touches down, lower the thrust lever and apply more aft cycli c but no more 2 inches. Then, use the thrust lever and cyclic to adjust your nose attitude without exceeding a nose pitch of 20-degrees. This will allow aerodynamic braking. Use left and right cyclic and the pedals to remain aligned down the roll-on area.
Once stationary or sufficiently slow, slowly lower the thrust lever further until the front wheels come down. Apply the wheel brakes if needed and keep the cyclic slightly aft. You can now lower the thrust lever all the way down to the ground detent.
That’s an overview of the two most common ways to land the Hook. Thanks for watching and I’ll see you next time.
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