NPI NATIONAL 425 - User Manual

National Parachute Industries, Inc.
47 East Main Street - Flemington, New Jersey 08822 - USA
PH 908-782-1646 FAX 908-782-5638 E-mail info@nationalparachute.com
Emergency
Parachute
Manual
NATIONAL 360, NATIONAL 425 & NATIONAL 490
(TSO-C23b)
NATIONAL – Your One Last Chance”
www.nationalparachute.com
(Manual P/N 81101-2P)

Summary

Safety Warnings and Disclaimers

No Warranty, Disclaimer, Waiver

Details the terms of no warranty and liability waiver for parachute use.

Air Speeds and Deployment

Deployment Speed Limitations and Bailout Advice

Discusses parachute ratings and guidance for high-speed bailouts.

Operating Limitations

Pilot Weight and Canopy Performance

Recommended pilot weight ranges for National 360, 425, and 490 parachutes.

Floating Harness Adjustment

Main Lift Web (MLW) Adjustment

Operating Instructions

Ripcord Activation and Emergency Steps

Procedures for activating the parachute and initial bailout actions.

Parachute Steering

Canopy Control and Turning

How to steer the parachute using rear risers for directional control.

Landing Procedures

Normal Landing Preparation

Hazard Landings and Maintenance

Pre-flight Checks and Repack Requirements

Parachute Care and Inspection

Material Protection and Component Checks

Packing the Parachute

Illustrated Packing Steps: Canopy Preparation (Steps 1-4)

Illustrated Packing Steps: Initial Stows (Steps 5-8)

Illustrated Packing Steps: Folding and Routing (Steps 13-20)

Illustrated Packing Steps: Pilot Chute and Closing (Steps 21-28)

Illustrated Packing Steps: Final Closure (Steps 29-31)

NPI NATIONAL 425 Specifications

General

Type	Safety Glasses
Lens Material	Polycarbonate
Lens Color	Clear
Frame Material	Nylon
ANSI Z87.1 Certification	Yes
Scratch Resistance	Yes
Temple Length	140 mm
Bridge Width	18 mm