DZ elevation 5,000 ft MSL
Airport elevation 0 ft MSL
Airport elevation relative to DZ -5,000 ft
Alti-2 Inc strongly recommends that you plan to pull higher on any skydive where
this method has been used to calibrate your altimeter as a safety precaution.
WARNING
If the DZ elevation is lower than the airport, the airport elevation relative to the DZ
is always a positive number. If the airport elevation relative to the DZ is
miscalculated to be a negative number, you are placing yourself in great danger.
For example, if the DZ elevation is 500 ft below that of the airport, the altimeter
should be set to +500 ft. If by error, it is set to -500 ft instead, the altimeter will
read 1000 ft lower than it should.
Altimeter Adjustment Process
This adjustment is completed by moving the adjustment knob or bezel so that the needle
points to the zero position before each use. Examine the instructions specific to your
altimeter to complete this necessary adjustment.
Any adjustment during usage AFTER “zeroing” an altimeter can result in serious
consequences. This could occur by many means including, but not limited to:
• upon/during exit of the aircraft
• contact with other skydivers in freefall.
WARNING
It May Not Be Possible To Determine If Your Altimeter Has Been Adjusted Without
Your Knowledge During Freefall.
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