GTAIV mod by metalwars
Secret Service Jetpack for GTAIV & EFLC

You need Jetpack mod by JulioNIB for works
Original Jetpack model from Fallout 76
Backpack model by Azar (Holstered Weapons)
Convert into IV by metalwars

This is only work if you install Jetpack mod by JulioNIB
https://gtaxscripting.blogspot.com/2014/10/jetpack-mod.html

Know Issue:
This mod need adjustment for jet effect position on JulioNIB jetpack script
Sorry, I have no idea to fix it

Installation:
1. First, Install JulioNIB Jetpack mod
2. And replace this files into /pc/data/maps/props/commercial/beauty.img
3. Enjoy!!!