TD 16

Question 1

Engine Overspeed

Answer 1

Engine overspeed will be indicated by a right yaw, rapid increase in both rotor and engine RPM, and an increase in engine and rotor noise. If an engine overspeed is experienced:

    1. Collective- Increase to load the rotor and sustain engine/rotor RPM below the maximum operating limit.
    2. Throttle- Adjust until normal operating RPM is attained
    3. Land as soon as POSSIBLE. Perform a power-on approach and landing by controlling the RPM manually with the throttle.

If RPM cannot be controlled by throttle adjustment:

    4. Autorotate when over a safe landing area
    5. Emergency shutdown- Accomplish during descent if time permits.

Question 2

Engine Underspeed

Answer 2

If an engine underspeed occurs, the collective must be adjusted downward to maintain rotor within RPM limits. If powered flight with rotor in the green can be accomplished:

Land as soon as POSSIBLE in an area that will permit a run-on landing. An engine underspeed below 90% results in rotor RPM decay below minimum safe limits.
Should this occur:

    1. Autorotate
    2. Emergency shutdown- accomplish during the descent if time permits

Question 3

CG Longitudinal Limits

Answer 3

A. VMC Center of gravity limits are from station 106.0 to 114.2; however, the forward and aft limits are variable depending upon gross weight and aircraft configuration. Refer to Center of Gravity vs Gross Weight Chart in Chapter 6.

NOTE 
Station 0 (datum) is located 55.16 inches forward of forward jack point center line.

Question 4

CG Lateral Limits

Answer 4

NOTE
Lateral CG Limits vary depending on longitudinal CG location. Refer to Lateral vs Longitudinal CG Limits chart in Chapter 6.

A. 3.0 inches left of helicopter centerline.

B. 4.0 inches right of helicopter centerline.

Question 5

Weight Limits

Answer 5

A. Maximum allowable ramp weight is 3,350 lbs.

B. Maximum allowable gross weight for hover/flight is 3,350 lbs.

C. Minimum front seat weight is 170 lbs.

Question 6

Autorotation- steady state

Answer 6

• Rotor RPM is within limits.
• The aircraft is at the correct airspeed.
• The aircraft is descending at a normal rate.
• The aircraft is in a position to terminate in the intended landing area.

Question 7

AR 40-8

Answer 7

6 hour restriction:
Centrifuge run- and no residual effects

12 hour restrictions:
A: Anesthesia- local
S: Simulator sickness- after last symptoms subside start clock (time starts after last symptom gone)
I: Immunizations
A: Alcohol- after 12 hours and no residual effects (time starts from last drink)

24 hours restrictions:
P: Plasma- not regular (> 2x/year)
H: Hypobaric chamber runs/decompression experience- >25,000 feet- no high altitude flight duties for 24 hours, or if below 10,000 may fly before 24 hours
S: Scuba- If urgent operational requirements, may fly within 24 hours of SCUBA diving

48 hour restrictions:
A: Anesthesia- general

72 hour restrictions:
B: Blood- not regular (> 2x/year)

Cleared by FS/APA

• supplements, performance enhancers
• (CS)/tear gas exposure: no restriction as long as there are no residual effects and local effects are resolved, contaminated clothing or ALSE has either been exchanged or decontaminated, NBC- clearance from a flight surgeon/APA.
• Bone marrow donors- cleared by a flight surgeon or APA
• Tobacco. No time limit but don’t use it
• Strenuous physical activities. No time limit but may affect ability to fly