Garmin GPSMAP 76CSx User Manual

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Safety Factor is used in HAHO jump types to allow 

a margin or error for a jump. Safety factors are 

usually integer values, no smaller than two, and are 

determined by the jumpmaster based on specifications 

for the jump.
A number of K values can be specified for different 

jumps. HAHO jumps use K-open while HALO jumps 

use K-open and K-freefall. Static jumps use K-static. 

K-values are based on the parachute canopy rating. 

Each parachute should be labeled with a K value. 

Common values may range from 3.0 for K-freefall to 

48.0+ for HAHO K-open.
Select Restore Defaults from the Option Menu of this 

page to reset the values.

The following is a list of abbreviations and acronyms 

commonly used:
AGL—Above Ground Level Altitude measure
CD—Canopy Drift drift while parachute is open
DIP—Desired Impact Point location where landing 

should occur
DZ—Drop Zone area where landing should occur
DZSTL—Drop Zone Support Team Leader
LFFD—Free Fall Drift drift before parachute is open
HAHO—High Altitude High Opening type of jump
HALO—High Altitude Low Opening type of jump
HARP—High Altitude Release Point location jumper 

exits from aircraft
MSL—Mean Sea Level Altitude measure
PRP—Primary Release Point HARP plus forward 

throw of aircraft