The following inputs are required for each operating condition or draft (required for dynamic templates only):

	filename, name of file for these computations, one file per condition or draft evaluated.  (example: TBL-F2A.mcd)
	VCG, Vertical Center of Gravity, feet (this value depends on TYPE defined next).  This VCG value should already include a correction for free surface effects.  Sometimes this is referred to as the "virtual vcg" for the condition or draft being evaluated.
	TYPE, Type of Analysis.  TYPE = 1 when a specific VCG is being checked.  This type is usually selected when output from a hydrostatic program is available for a specific vessel condition.  TYPE = 2 when the maximum allowable VCG is being sought.  In a TYPE 2 analysis the VCG value is iterated upward until the vessel no longer satisfies the requirements, then it is changed back to it's last criterion compliant value.  This type of analysis usually applies to a specific operating draft, and is normally based on "Curves of Form" and "Cross Curves of Stability" data.
	VCG0, Vertical Center of Gravity used in making the "Cross Curves of Stability" calculations, feet above Baseline.   When Type = 1, with output from a hydrostatics program for a specific condition, normally set VCG0 equal to zero.  If the assumed VCG0 is not equal to zero, set it equal to the actual value it was assumed for in the hydrostatics program. When Type = 2, set equal to VCG value assumed when making the "Cross Curves of Stability."
	qf, Downflooding Angle, degrees, based on the condition or draft being evaluated and the vessel's geometry.  This input is per Part 46 CFR 170.055 (a) which requires the location, that causes the smallest heel angle, to an opening that cannot be closed watertight.  According to Reference D this downflooding angle is based on foul weather conditions, in which all non-essential openings have already been closed.
	LCG, Longitudinal Center of Gravity, feet, where distances aft of amidships are defined as positive.  For INPUT= 1, this is the LCG value that was used as input for the hydrostatics program generating output for the specific vessel condition. For INPUT= 2, this is usually the level trim case where this value is equal to the LCB value.  Otherwise it is the value obtained from the Weights and Moments analysis for the vessel in the specific vessel condition.
	INPUT, Input source for "Curves of Statical Stability" data.  This data is not corrected for free surface.  In this analysis the free surface effects are already compensated for through the use of virtual VCG values. INPUT = 1, input data (heel angles with corresponding righting arm values) is from a hydrostatics program output for the specific vessel condition being evaluated. INPUT = 2, input data (heel angles with corresponding righting arm values) are from the vessel's "Cross Curves of Stability" for the specific displacement under evaluation.
	qi, Heel Angles, degrees, based on the condition or draft being evaluated and the vessel's geometry.  Usually input in equal increments.  Example values would be increments of 10, starting with zero, then 10, 20, 30, 40, 50, 60 and 70.  Eight values are input to the hydrostatics program or "Cross Curves of Stability."  These eight values are also input into a table at the bottom of the first page of this dynamic analysis template.
	GZi", Righting Arms, feet, hydrostatic program output or "Cross Curves of Stability" data corresponding to the input heel angles (qi).  Eight values are to be entered into the table at the bottom of the first page of this dynamic analysis template.

The following inputs are required for each operating condition or draft:

	T, Draft, feet When Type = 1, with hydrostatics program output for a specific condition, set equal to the program output's mean draft.  When Type = 2, this usually means a level draft is being evaluated.  Otherwise it is the draft at the LCF.  This option indicates usage of "Curves of Form" and "Cross Curves of Stability."
	D, Displacement, long tons
	KMT, Height from Keel to Metacenter, feet, compute this value if required where KMT = VCB + BMT = vertical center of buoyancy + metacentric radius.

Characteristics of Vessel inputs, irrespective of draft:

	Name of Vessel
	Type of Vessel (i. e. Z-Drive Tug, Vertical Axis Tug, Conventionally Propped Tug, etc.)
	Length x Beam x Depth of Vessel, in feet
	Name of Firm Operating Vessel

Characteristics required irrespective of vessel:

	Ab Minimum Moment Area required between zero degrees and the critical angle, for English units this is equal to 16.9 foot·degrees.
	Ac Minimum Moment Area required between thirty degrees and the critical angle, for English units this is equal to 5.60 foot·degrees.