FW, MEHT is another cup of tea.
Advisory Circular (AC) No. 302-009 - Transport Canada
P.S. that's a reason why airbus says PAPI below 200 ft is unreliable and not to be followed. Aiming point is your reference.
Last edited by 9.G; 22nd Oct 2012 at 08:34.
Reason: adding p.s.