Weight and Balance for Cessna 152
Cessna 152 · Weight And Balance
Overview
This document provides detailed instructions and tables for calculating the weight and balance of the Cessna 152, specifically for aircraft N49827. It includes the basic empty weight, maximum allowable weights for fuel, passengers, and baggage, as well as guidelines for ensuring the center of gravity (CofG) remains within safe limits. The document is intended for pilots and instructors to ensure safe loading and operation of the aircraft. It emphasizes the importance of accurate calculations to maintain compliance with weight limits and to ensure safe flight operations.
- Basic Empty Weight: 1173 lbs
- Maximum Takeoff Weight: 1670 lbs
- Usable Fuel Capacity: 24.5 gallons (6 lbs/gallon)
- Maximum Baggage Weight for Area 1: 120 lbs
- Maximum Baggage Weight for Area 2: 40 lbs
Document
Source
Originally published by angelaviation.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Weight And Balance
- Year
- 2018
- Pages
- 6
- File size
- 2.2 MB
- Publisher
- angelaviation.com
Specifications & performance
Extracted from this document.
Specifications
- Empty weight (lb)
- 1,173
- Fuel capacity (gal)
- 24.5
- Max takeoff weight (lb)
- 1,670
Weight & balance
- Max takeoff weight (lb)
- 1,670
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In this document
Loading Weight Table
This section outlines the loading weight table for the Cessna 152, including the basic empty weight of 1173 lbs and the moment of 35219.43 lbs-inch/1000. It details the maximum weights for usable fuel (24.5 gallons at 6 lbs/gallon), pilot and passenger weights, and baggage limits for two areas, with a combined maximum of 120 lbs for Areas 1 and 2.
Weight and Balance Calculation Instructions
This section provides step-by-step instructions for calculating the weight and balance of the aircraft. It includes how to determine the weight of fuel, pilot, passenger, and baggage using loading graphs, and how to compute the total ramp weight and moment. It emphasizes the importance of ensuring that the total takeoff weight does not exceed 1670 lbs.
Center of Gravity Calculation
This section explains how to calculate the center of gravity (CofG) by dividing the total moment by the total takeoff weight. It instructs pilots to plot the CofG on the center of gravity limits graph to ensure it falls within the acceptable envelope for safe flight.
Safety notes
- Ensure total weight does not exceed 1670 lbs for takeoff.
- Verify center of gravity falls within limits before flight.
Full document text
Weight and Balance Table N49827 Cessna 152 LOADING WEIGHT lbs MOMENT lbs-inch/1000 1 Basic Empty Weight Use data from the plane’s current weight and balance sheet that includes unusable fuel and full oil 1173 35219.43 2 Useable Fuel (6lbs/Gallon) Standard Tanks 24.5 Gal Max Reduced Fuel (as limited by maximum weight) 3 Pilot and Passenger [cabin stations 33-41] 4 Baggage and Equipment Area 1 [cabin stations 50-75] 120 lb Max Weight (120 lb max allowable combined weight in Areas 1 & 2)* 5 Baggage and Equipment Area 2 [cabin stations 76-94] 40 lbs Max Weight (120 lb max allowable combined weight in Areas 1 & 2)* 6 Ramp Weight and Moment** 7 Fuel allowance for engine start, taxi, and runup 8 TAKEOFF WEIGHT AND MOMENT (subtract 7 from 6) 9 Locate the Center of Gravity on Figure 6.9. If this point falls within the envelope, loading is acceptable. *Max allowable combined weight capacity for baggage areas 1 and 2 is 120lbs **Max Total Takeoff Weight is 1670 lbs _________________________ _________________________ ________________________ Student Name Flight Date and Time Instructor Name Weight and Balance Calculation Instructions N49827 Cessna 152 1. The basic empty weight and moment provided are from the current weight and balance record. 2. Enter the weight of fuel for your flight based on gallons of fuel in the aircraft. Using the loading graph (Figure 6.7), find the weight of fuel value on the left side of the graph then follow the graph line across to the right until it intersects with the fuel line - - - as described in the code (legend). At the intersection of the fuel weight value and fuel chart line - - -, follow/draw a line on the graph straight down to find the fuel moment value. Multiply this number by 1000 to determine the moment (e.g. 147 intersects at 6.2 x 1000 = 6200). Enter the weight and moment values as useable fuel in row 2. Enter the fuel weight (e.g. 147 lbs) in column 1 and the moment (e.g. 6200) in column 2. Reduced fuel is used only when overweight. Speak to your instructor about this. 3. Using the loading graph (Figure 6.7), find the combined pilot and instructor (passenger) weight value on the left side of the graph then follow the graph line across to the right until it intersects with the pilot/passenger line ____ as described in the code (legend). At the intersection of the pilot/passenger weight value and pilot/passenger chart line ____, follow/draw a line on the graph straight down to find the pilot/passenger moment value. Multiply this number by 1000 to determine the moment (e.g. 270 intersects at 11 x 1000 = 11000). Enter the weight and moment values for pilot/passenger in row 3. Enter the pilot/passenger weight (e.g. 270 lbs) in column 1 and the moment (e.g. 11000) in column 2. 4. Using the loading graph (Figure 6.7), find the baggage Area 1 weight value on the left side of the graph then follow the graph line across to the right until it intersects with the baggage in Area 1 line __ __ as described in the code. At the intersection of the baggage in Area 1 weight value and baggage in Area 1 chart line __ __, follow/draw a line on the graph straight down to find the baggage in Area 1 moment value. Multiply this number by 1000 to determine the moment (e.g. 50 intersects at 3.4 x 1000 = 3400). Enter the weight and moment values for baggage in Area 1 in row 4. Enter the baggage in Area 1 weight (e.g. 50 lbs) in column 1 and the moment (e.g. 3400) in column 2. 5. Using the loading graph (Figure 6.7), find the baggage Area 2 weight value on the left side of the graph then follow the graph line across to the right until it intersects with the baggage in Area 2 line ………. as described in the code. At the intersection of the baggage in Area 2 weight value and baggage in Area 2 chart line ………., follow/draw a line on the graph straight down to find the baggage in Area 1 moment value. Multiply this number by 1000 to determine the moment (e.g. 25 intersects at 1.7 x 1000 = 1700). Enter the weight and moment values for baggage in Area 2 in row 5. Enter the baggage in Area 2 weight (e.g. 25 lbs) in column 1 and the moment (e.g. 1700) in column 2. Enter the weight of the baggage to be carried in Area 2. 6. Calculate the total of all weights in rows 1 to 5, column 1 and enter this value into the weight column in line 6 (e.g. 1665), then calculate the total of all moments in rows 1 to 5, column 2 (e.g. 57519.43) and enter this value into the moment column in Line 6; Ramp Weight and Moment. Total maximum weight for takeoff must not exceed 1670 lbs. 7. Determine the weight of fuel that will be used for engine start, taxi, and run-up. Enter the weight value in the weight column. Calculate the moment as you did in 2. table calculation for fuel and enter the moment value in the moment column for Line 7. 8. Calculate the total take-off weight by subtracting the value in line 7 from the value in line 6 (weight). Calculate the total take-off moment by subtracting the value in line 7 from the value in line 6 (moment). Using the graph (Figure 6.8), plot the weight and moment to ensure that they intersect within the center of gravity moment envelope. Enter these amounts in Row 8 columns 1 and 2. 9. Calculate the Center of Gravity (CofG) by dividing the total moment by the takeoff weight in Line 8. Enter this value into Line 9 on your table. This is the center of gravity for your departure. Using the Center of Gravity Limits Graph (Figure 6.9), plot the takeoff weight and CofG to ensure that your center of gravity limits are within the envelope. Weight and Balance Record Updated on Installed Equipment 8/17/18 N49827 Cessna 152 Weight and Balance Reference Graphs N49827 Cessna 152 Figure 6.7 Weight and Balance Reference Graphs N49827 Cessna 152 Figure 6.8 Weight and Balance Reference Graphs N49827 Cessna 152 Figure 6.9
What's in the Cessna 152 TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.
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