Solved Weight and Balance Worksheet (You may use a

Weight and Balance Worksheet (You may use a calculator as needed) 1) During maintenance and modification of an aircraft， and C.G. from specfic aircrat Weight Balance， as ammended) (includes unusable fuel and ful al) Calculate the new weight of the aircraft and CG of the aircraft after modification: Aircraft Old Engine 175L New Engine 1185凵. Total Final Basic weight Final Aircraft CG 2) The company flew an aircraft to Mobile Alabama for Maintenance。

an upgraded seat weighing 20 pounds was installed. As part of the new modification， Repair， Calculate the new weight of the aircraft and CG of the aircraft after modification: Aircraft Old seats Now CablinetLL New Seat New Radio Equip.L Total Final Basic weight Final Aircraft CG 3) An owner brought the aircraft into our hanger for an annual inspection. In addition to the inspection， the engine was changed out to an upgraded engine package. The original engine weight was 175 pounds and was removed. An upgraded engine was installed at station -62 inches from the datum line and weighing 185 pounds. (25 Points) Weight lbs 998 Arm inches Moment b-ins/100 C.G. Inches 13.48 Current aircraft weight and CG: Basic Empty Weight before the modification Welght， the owner requested the aircraft weight and balance be verified. It was discovered that the aircraft was out of CG range. The aircraft weig ed 4954 pounds and the CG was calculated to +30.5 inches of arm. The manual shows the CG should be within a range of +32 to +42.1 Inches Ballast will h adding it. (25 Points) Instructions: Use the Ballast Formula which is explained in pages 386 through 389 (Shifting the CG) to calculate the weight of the ballast to be added. You may use a calculator. This is also explained in the AMT General Handbook FAA FAA-H-8083-30A: ave to be added to station +162 (arm) but you now will have to calculate the correct weight of the ballast prior to 3) An owner brought the aircraft into our hanger for an annual inspection. In addition to the inspection。

new radio equipment was installed at station +94 weighing 30 pounds. (50 Points) Calculate the new weight of the aircraft andrG 2) The company flew an aircraft to Mobile Alabama for Maintenance， an upgraded seat new radio equipment was installed at station +94 weighing 30 pounds. (50 Points) ing 97 pounds was installed in place of the t weighing 20 pounds was installed. As part of the new modification，。

and Overhaul (MRO) service. The aircraft basic weight was 2886 and had a Moment calculated at 101673.78. While in the hanger the aircraft was required to be modified. Two 15 pound seats located at station +71 were required to be removed. A new cabinet weighing 97 pounds was installed in place of the seats (at station +71). Also at station +71， the owner requested the aircraft weight and balance be verified. It was discovered that the aircraft was out of CG range. The aircraft weighed 4954 pounds and the CG was calculated to +30.5 inches of arm. The manual shows the CG should be within a range of +32 to +42.1 Inches Ballast will have to be added to station +162 (arm) but you now will have to calculate the correct weight of the ballast prior to adding it. (25 Points) Instructions: Use the Ballast Formula which is explained in pages 386 through 389 (Shifting the CG) to calculate the weight of the ballast to be added. You may use a calculator. This is also explained in the AMT General Handbook FAA FAA-H-8083-30A Ballast weight Total wt. x dist. needed to shift CG needed Dist. between ballast and desired CG Show your work: Total Weight x Distance needed to shift CG: Ballast Weight needed: Solution Distance between Ballast and desired CG ， Moment， Repair， and Overhaul (MRO) service. The aircraft basi weight was 2886 and had a Moment calculated at 101673.78. While in the hanger the aircraft was reuedled in place of the pound seats located at station +71 were required to be removed. A new cabinet weighi seats (at station +71). Also at station +71。