Parachutes In Vanilla Minecraft!

Commands:
Fill Clock
>/fill ~1 ~ ~ ~1 ~ ~4 stone
>/fill ~-1 ~ ~ ~-1 ~ ~4 redstone_block
Yellow Section
>/give @a minecraft:leather_chestplate 1 0 {display:{Name:"Parachute",Lore:["Parachute"]},Unbreakable:1,ench:[{id:99,lvl:0}]}
>/give @a minecraft:feather 1 0 {display:{Name:"Deploy Parachute",Lore:["Deploy Parachute"]},Unbreakable:1,ench:[{id:99,lvl:0}]}
>/scoreboard objectives add parachute dummy
Red Section
>/scoreboard players set @a parachute 1 {Inventory:[{Slot:102b,id:"minecraft:leather_chestplate",tag:{display:{Name:"Parachute"}}}]}
>/execute @p ~ ~ ~ /testforblock ~ ~-1 ~ air
>/execute @p ~ ~ ~ /summon EntityHorse ~ ~-2 ~ {Type:0,SaddleItem:{id:saddle},Variant:0,Tame:1,Owner:ChaoticRedstone,Invulnerable:1,ActiveEffects:[{Id:14,Amplifier:100,Duration:20000,ShowParticles:0b}],Riding:{id:"Chicken",Invulnerable:1,Silent:1,ActiveEffects:[{Id:14,Amplifier:100,Duration:20000,ShowParticles:0b}],Riding:{id:"Slime",Silent:1,ActiveEffects:[{Id:14,Amplifier:100,Duration:20000,ShowParticles:0b}]}}}
Green Section
>/testfor @a {SelectedItem:{id:minecraft:feather,tag:{display:{Name:"Deploy Parachute"}}}}
>/kill @e[type=Slime]
>/summon ArmorStand ~ ~1 ~ {NoGravity:1,CustomName:Stick,Invisible:1b,Invulnerable:1b,NoBasePlate:1b,ShowArms:1b,Equipment:[{id:"stick",Count:1b},{},{},{},{}],Pose:{RightArm:[260f,0f,0f]}}
>/summon ArmorStand ~ ~1 ~ {NoGravity:1,CustomName:Carpet,Invisible:1b,Invulnerable:1b,NoBasePlate:1b,ShowArms:1b,Equipment:[{},{},{},{},{id:"carpet",Count:1b}]}
Purple Section
>/tp @e[name=Carpet] @p[score_parachute_min=1]
>/tp @e[name=Carpet] ~ ~1 ~
>/tp @e[name=Stick] @p[score_parachute_min=1]
>/tp @e[name=Stick] ~0.5 ~ ~0.5
Blue Section
>/execute @a[score_parachute_min=1] ~ ~ ~ /testforblock ~ ~-1 ~ air
Hook it up to an inverter
>/kill @e[type=EntityHorse]
>/kill @e[type=ArmorStand]
>/kill @e[type=Chicken]
Help:https://www.youtube.com/watch?v=KC6KPqEGOtA&feature=youtu.be