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Crew Weight is the weight of staff which are required for the functioning of the plane. It contains the weight of Pilots, flight engineer, navigation pilot and airplane staff to serve the passengers. Check FAQs
Wc=DTW⋅(1-Ef-Ff)-PYL
Wc - Crew Weight?DTW - Desired Takeoff Weight?Ef - Empty Weight Fraction?Ff - Fuel Fraction?PYL - Payload Carried?

Crew Weight given Fuel and Empty Weight Fraction Example

With values
With units
Only example

Here is how the Crew Weight given Fuel and Empty Weight Fraction equation looks like with Values.

Here is how the Crew Weight given Fuel and Empty Weight Fraction equation looks like with Units.

Here is how the Crew Weight given Fuel and Empty Weight Fraction equation looks like.

12600Edit=250000Edit⋅(1-0.5Edit-0.4Edit)-12400Edit
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Crew Weight given Fuel and Empty Weight Fraction Solution

Follow our step by step solution on how to calculate Crew Weight given Fuel and Empty Weight Fraction?

FIRST Step Consider the formula
Wc=DTW⋅(1-Ef-Ff)-PYL
Next Step Substitute values of Variables
∴ Wc=250000kg⋅(1-0.5-0.4)-12400kg
Next Step Prepare to Evaluate
∴ Wc=250000⋅(1-0.5-0.4)-12400
LAST Step Evaluate
∴Wc=12600kg

Crew Weight given Fuel and Empty Weight Fraction Formula Elements

Variables
Crew Weight
Crew Weight is the weight of staff which are required for the functioning of the plane. It contains the weight of Pilots, flight engineer, navigation pilot and airplane staff to serve the passengers.
Symbol: Wc
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Formulas to find Crew WeightOpen Variable
Desired Takeoff Weight
Desired Takeoff Weight (or mass) is the weight of the aircraft.
Symbol: DTW
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Formulas to find Desired Takeoff WeightOpen Variable
Empty Weight Fraction
Empty Weight Fraction is the ratio of the operating empty weight to the desired takeoff weight.
Symbol: Ef
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Empty Weight FractionOpen Variable
Fuel Fraction
Fuel Fraction is the ratio between weight of fuel caried by a plane to the aircraft total take off weight.
Symbol: Ff
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Fuel FractionOpen Variable
Payload Carried
Payload Carried (passengers and cargo) is the object or the entity which is being carried by an aircraft or a launch vehicle.
Symbol: PYL
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Formulas to find Payload CarriedOpen Variable

Other Formulas to find Crew Weight

​Go Crew Weight given Takeoff Weight
Wc=DTW-PYL-FW-OEW

Other formulas in Preliminary Design category

​Go Preliminary Take Off Weight Built-up for Manned Aircraft
DTW=PYL+OEW+FW+Wc
​Go Fuel Fraction
Ff=FWDTW
​Go Preliminary Take off Weight Built-Up for Manned Aircraft given Fuel and Empty Weight Fraction
DTW=PYL+Wc1-Ff-Ef
​Go Optimum Range for Jet Aircraft in Cruising Phase
R=VL/D(max)⋅LDmaxratioc⋅ln(WiWf)

How to Evaluate Crew Weight given Fuel and Empty Weight Fraction?

Crew Weight given Fuel and Empty Weight Fraction evaluator uses Crew Weight = Desired Takeoff Weight*(1-Empty Weight Fraction-Fuel Fraction)-Payload Carried to evaluate the Crew Weight, The Crew Weight given Fuel and Empty Weight Fraction formula involves determining the crew weight based on the total weight of the aircraft, the weight of the fuel, and the empty weight fraction, crew weight refers to the combined weight of the individuals who operate and manage an aircraft during flight, including pilots, co-pilots, flight engineers, and any additional crew members such as flight attendants. Crew Weight is denoted by Wc symbol.

How to evaluate Crew Weight given Fuel and Empty Weight Fraction using this online evaluator? To use this online evaluator for Crew Weight given Fuel and Empty Weight Fraction, enter Desired Takeoff Weight (DTW), Empty Weight Fraction (Ef), Fuel Fraction (Ff) & Payload Carried (PYL) and hit the calculate button.

FAQs on Crew Weight given Fuel and Empty Weight Fraction

What is the formula to find Crew Weight given Fuel and Empty Weight Fraction?
The formula of Crew Weight given Fuel and Empty Weight Fraction is expressed as Crew Weight = Desired Takeoff Weight*(1-Empty Weight Fraction-Fuel Fraction)-Payload Carried. Here is an example- 12600 = 250000*(1-0.5-0.4)-12400.
How to calculate Crew Weight given Fuel and Empty Weight Fraction?
With Desired Takeoff Weight (DTW), Empty Weight Fraction (Ef), Fuel Fraction (Ff) & Payload Carried (PYL) we can find Crew Weight given Fuel and Empty Weight Fraction using the formula - Crew Weight = Desired Takeoff Weight*(1-Empty Weight Fraction-Fuel Fraction)-Payload Carried.
What are the other ways to Calculate Crew Weight?
Here are the different ways to Calculate Crew Weight-
  • Crew Weight=Desired Takeoff Weight-Payload Carried-Fuel Weight to be Carried-Operating Empty WeightOpenImg
Can the Crew Weight given Fuel and Empty Weight Fraction be negative?
No, the Crew Weight given Fuel and Empty Weight Fraction, measured in Weight cannot be negative.
Which unit is used to measure Crew Weight given Fuel and Empty Weight Fraction?
Crew Weight given Fuel and Empty Weight Fraction is usually measured using the Kilogram[kg] for Weight. Gram[kg], Milligram[kg], Ton (Metric)[kg] are the few other units in which Crew Weight given Fuel and Empty Weight Fraction can be measured.
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