CFIs: check out the following thread from Vertical Reference:
http://verticalreference.com/helicopterforum/index.php?showtopic=4581&hl=
(If VR requires that you log on, let me know, and I'll cut and paste it and repost).
http://verticalreference.com/helicopterforum/index.php?showtopic=4581&hl=
(If VR requires that you log on, let me know, and I'll cut and paste it and repost).