UH-72 Weight and Balance

Question 1

An increase in weight will ___________ the hover performance of the helicopter.

Answer 1

Decrease

Question 2

Overloading an aircraft may result in reduced engine and airframe life or cause______ [1] _______ [2].

Answer 2

Structural
Damage

Question 3

Basic Helicopter + Required Standard Equipment + Optional Equipment + Unusable Fuel + Full Operating Fluids (including transmission, gearbox and engine oils, hydraulic fluid and rotor brake oil)

This is the weight of the helicopterwhen it is delivered from the factory, or weighed for record.

Answer 3

Basic Weight

Question 4

Basic Weight + Aircrew + Passengers + Baggage/Cargo + Fuel =

Answer 4

Gross weight / or takeoff weight

Question 5

Vertical planes perpendicular to, and measured along, the longitudinal axis of the helicopter. In the Army’s aircraft, this term is referred to as an “arm”

Answer 5

Fuselage Stations

Question 6

The point about which the helicopter would balance if suspended

Answer 6

Center of Gravity (CG)

Question 7

The extremes of movements to which the helicopter CG can travel. The loaded helicopter must remain within these limits at takeoff, throughout flight, and at landing

Answer 7

CG Limits

Question 8

An imaginary vertical plane forward of the nose of the helicopter, from which all horizontal distances are measured for balance purposes.

Answer 8

Reference datum/Station 0

Question 9

Basic Weight + Aircrew + Baggage/Cargo + Steward Equipment + Survival Kits + Emergency Equipment + Special Mission Fixed Equipment + all other non-expendable items not included in the aircrafts basic weight =

Answer 9

Operating Weight

Question 10

Operating Weight + Payload (passengers and cargo) or Gross weight Minus fuel.

Answer 10

Zero fuel weight

Question 11

What is the simplified moment (/100) for a passenger weighing 200 pounds (lbs.), seated at the fuselage station of 133.8? (round to the nearest hundreth)

Answer 11

267.6

Question 12

Which class of aircraft are those whose weight or CG limits can “readily” be exceeded by loading arrangements normally in tactical operations, or those aircraft designed primarily for transporting troops and other passengers; therefore, a high degree of loading control is needed?

Answer 12

2

Question 13

DD form 365-4 (AWBS Form F) must be reviewed every [1]____ days except at Ft. Rucker where it is reviewed every [2]____ days.

Answer 13

90
365

Question 14

What is the term used when the aircraft is at its heaviest (with all its contents on board and fuel)? [a] [b]

Answer 14

Takeoff
Weight

Question 15

The pilot’s responsibilities regarding weight and balance in accordance with AR 95-1 paragraph 5-2 (h) are; that a completed DD Form 365–4 (AWBS Form F) is aboard the aircraft to verify that the weight and center-of-gravity will remain within allowable limits __________________________________.

Answer 15

for the entire flight

Question 16

Army Regulation (AR) ______________ governs the pilot’s responsibilities regarding weight and balance?

Answer 16

95-1

Question 17

What is the formula for computing the CG?

Total _____ / Total ______ = ______

Answer 17

Moment
Weight
Center of Gravity

Question 18

What is zero fuel weight? [a] [b] + payload.

Answer 18

Operating
Weight

Question 19

Which class of aircraft are those whose weight or CG limits can “sometimes” be exceeded by loading arrangements normally in tactical operations, therefore, limited loading control is needed?

Answer 19

1

Question 20

Specific weight limitations of an aircraft cannot be exceeded without compromising [a].

Answer 20

Safety

Question 21

If an aircraft is not weighed within the time requirements in AR-95-1, its status changes to? [a]

Answer 21

X

Question 22

What is the moment for a Pilot weighing 200 pounds (lbs.), seated at fuselage station (arm) 98.60?

Answer 22

197.2

Question 23

Calculate the CG for an aircraft with a total weight of 6708.1 lbs and a total moment of 11869.77.

Answer 23

176.95

Question 24

Per the AR 95-1, the pilot’s responsibilities regarding the DD Form 365-4 (AWBS Form F) include all BUT

Answer 24

recomputing the weight and balance form every 12 months

Question 25

When gross weight is increased, hover performance is ______________.

Answer 25

Decreased

Question 26

What is the formula for computing a moment?

Answer 26

Moment = Weight x Arm

Question 27

Several completed DD Forms 365-4 (AWBS Form F) aboard the aircraft for other loads to verify the weight and center of gravity may be used. In this case, the actual loading being verified must be within the ___________of the loading shown on DD Forms 365-4 (AWBS Form F) used for verification.

Answer 27

Extremes

Question 28

All aircraft whose weight and balance class is not stated in the operator’s manual will be considered Class ______.

Answer 28

2