Multi-layer rotary holding pattern entry calculator

The ornamental design for multi-layer rotary holding pattern entry calculator, as shown and described.

FIG. 1 is a top plan view of a multi-layer rotary holding pattern entry calculator showing my new design;

FIG. 2 is a bottom view thereof; and

FIG. 3 is a left hand side view thereof; and,

FIG. 4 is a right hand side view thereof.

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6167627,	May 12 1998	Epoch Flight Systems LLC	Aeronautical holding pattern calculator
7152332,	Mar 31 2004		Navigational assist system
7370790,	Aug 19 2005		Apparatus for visualizing and determining holding pattern and entry
8700317,	Mar 11 2013	Epoch Flight Systems LLC	Aeronautical holding pattern calculation for solving high wind and protected airspace issues
D403018,	Oct 01 1996	Joseph S., Powell	Teaching aid for ultrasound wave theory
D773323,	Aug 14 2015	GALGÅSEN AB	Distance measuring apparatus

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D338683,	Jul 06 1990		Holding pattern rotary calculator

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