Tandem Manuals
Trim Chart
Videos
Tandem Instructions / Mods
Student Harness Retractable Y Strap
Student Harness Adjustment Guide Addendum
Micro Sigma – Magnetic External Riser Cover Retrofit
Proper Loop and Closing Reserve RSL Pin
Routing Cable For AAD Control Unit
Instructions for SIGMA AAD Window Cover Retrofit
Sigma “Detachable” Drogue Bridle Modification
Staging Loop Packing Instructions
Sigma Magnetic External Riser Cover Retrofit
Sigma & Micro Sigma Magnetic Disc Cover
Sigma II 340 & 370 Brake Setting Instructions
Cutaway Cable Trim Instructions
Proper Way To Set Excess Brake Line On Reserve Risers
Staging Loop Grommet Installation Mod
Sigma Tandem Reserve Riser compatibility and modification
Sigma II: ALD Main Deployment Bag – Packing Instructions
Recommended Lifetime on Tandem Components
Uninsured United Parachute Technologies has established a recommendation for expected lifetime of certain tandem system components based on testing, feedback / incident reports, and general observations from equipment maintenance. The jump numbers listed are guidelines, which may differ depending on environmental factors such as exposure, maintenance, storage, and general usage and packing.
Any tandem equipment is always subject for inspection and evaluation to determine current airworthiness prior to use
- Main Suspension Lines: 350 – 500 jumps (Both Dacron and Vectran)
- ZP Main Canopy: 1400 – 1600 jumps
- Main Risers: 600 jumps
- Lower Drogue / Centerline: 300 jumps
- Drogue Assembly: 600 jumps
- Instructor / Student harness: 1000 jumps
- Harness / Container: Inspection every 25 jumps
Mandatory Tandem Reserve Recertification
For Information on mandatory Tandem Reserve Canopy Recertification, click here.
