Interpretation

For the RNAV (GPS) Runway 23 approach, Amendment 3, at Des Moines International Airport: LNAV/VNAV decision altitude is 1,285 feet MSL with a height above touchdown of 354 feet and visibility of 1 statute mile for all categories; LNAV minimum descent altitude is 1,380 feet MSL with a height above touchdown of 440 feet for all categories and visibility of 1 1/4 statute miles for categories C and D; the visual descent point is 1.20 nautical miles from Runway 23; and circling categories A and B minimum descent altitude is 1,440 feet MSL with a height above airport of 482 feet. These changes are due to a temporary crane at 1,124 feet MSL, 1,307 feet southeast of Runway 23.