Crossword Puzzle Skydivers' needs

Clue: Skydivers' needs

39th president of the United States (JIMMYCARTER with 11 letters)
Bad gift for skydivers? (MESHPARACHUTE with 13 letters)
Skydivers' devices (ALTIMETERS with 10 letters)
Do a scathing impersonation of the 39th president? (MINCECARTER with 11 letters)
It equals 0.3937 inch (CENTIMETER with 10 letters)
39th of 50 (NORTHDAKOTA with 11 letters)
Super Bowl to be played in the year 3968, at the current rate (MMII with 4 letters)
Skydivers' necessities (RIPCORDS with 8 letters)
39th VP (AGNEW with 5 letters)
What skydivers do? (TAKETHEFALL with 11 letters)