Prepared: 10/28/2025

Weight and Balance Loading for 1966 PA-30B Twin Comanche SN 30-904
AeroDynamic Aviation

Moment
Description Weight (lbs.) Arm (Inch) (lb.-ins./1000)

Basic Empty Weight (with airplane presently equipped. Includes

2376 82.59 196.27
unusable fuel and full oil)
Gallons
Usable Basic Fuel (at 6 lbs/Gal), Inboard tanks, max 54 gal. 324 90 29.2 54

Usable Reverse Fuel Outboard tanks, 30 US Gal. Max 120 95 11.4 20

Pilot and Front Passenger 400 84.8 33.92

Passengers 100 120.5 12.05

Baggage Area 250 lbs Max 20 142 2.84

Take-Off Weight and Moment 3340 285.6

TO CG With Landing Gear Extended 85.52

Moment increase With Landing Gear Retracted 0.77

Landing Moment With Landing Gear Retracted 3340.0 286.4

TO CG With Landing Gear Retracted 85.75

Gallons Used
Less Fuel for Flight in Gallons from Inboard tanks 0.0 20

Less Fuel for Flight in Gallons from Outboard 0.0 0

Landing Weight and Moment 3340 285.6

Landing CG With Landing Gear Extended 85.52

Moment increase With Landing Gear Retracted 0.77

Landing Moment With Landing Gear Retracted 3340.0 286.4

Landing CG With Landing Gear Retracted 85.75

Notes: Ensure that takeoff, crusie and landing weight and moment fall inside the Center of Gravity Moment
Envelope on the chart below.

Take-Off Weight is OK

Take-Off Landing Take-Off Landing

3900 3900
3800 3800

26.3% MAC
3700 3700
3600 3600
3500 3500
3400 3400
Loaded Aircraft Weight
Loaded Aircraft Weight

3300 3300
3200 3200
3100 3100
3000 3000
2900 2900
7% MAC

2800 2800
2700 2700
2600 2600
2500 2500
2400 2400
2300 2300
2200 2200
170 190 210 230 250 270 290 310 330 350 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94
Loaded Aircraft Moment Aircraft C.G.
 Loaded Aircraft
Loaded Aircraft Weight Moment/1000 (Pound-
(Pounds) Inches)
2300 186.3 81 3600 311.4 86.5
2450 198.45 81 3725 325.9 87.5
3200 265.6 83 3725 340.8 91.5
3600 311.4 86.5 3600 331.2 92
3600 331.2 92
2300 211.6 92
2300 186.3 81