Minecraft 1.9 | Jetpacks in One Command

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-2 ~8 ~ ~2 stained_hardened_clay 1 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~-1 ~2 stained_glass 1 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:"/scoreboard objectives add JPX1 dummy"},{id:MinecartCommandBlock,Command:"/scoreboard objectives add JPX2 trigger"},{id:MinecartCommandBlock,Command:"/scoreboard objectives add JPX3 stat.playOneMinute"},{id:MinecartCommandBlock,Command:"/gamerule sendCommandFeedback false"},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Jetpacks:\\\",\\\"color\\\":\\\"dark_green\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/scoreboard objectives remove JPX1\\\"},\\\"bold\\\":true}",Text2:"{\\\"text\\\":\\\"Remove\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/scoreboard objectives remove JPX2\\\"}}",Text3:"{\\\"text\\\":\\\"Machine\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/scoreboard objectives remove JPX3\\\"}}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-2 ~-2 ~7 ~1 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~-1 chain_command_block 4 replace {auto:1,Command:"/execute @a[score_JPX1_min=1,score_JPX1=1] ~ ~ ~ /particle smoke ~ ~ ~ 0 -0.2 0 0 10"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~-1 chain_command_block 4 replace {auto:1,Command:"/effect @a[tag=JPD] jump_boost 1 255 true"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~ chain_command_block 2 replace {auto:1,Command:"/scoreboard players tag @a[score_JPX1_min=0,score_JPX1=0,tag=JPD] remove JPD"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @a[score_JPX2_min=1,score_JPX2=3] JPX2 0"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @a[score_JPX1_min=1,score_JPX1=1,score_JPX2_min=3,score_JPX2=3] add JPD"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/effect @a[score_JPX1_min=1,score_JPX1=1,score_JPX2_min=2,score_JPX2=2] levitation 1000000 255 true"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/effect @a[score_JPX1_min=1,score_JPX1=1,score_JPX2_min=1,score_JPX2=1] levitation 1000000 1 true"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~1 chain_command_block 2 replace {auto:1,Command:"/effect @a[score_JPX2_min=1,score_JPX2=3] levitation 0"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/tellraw @a[score_JPX1_min=1,score_JPX1=1] [\\\"\\\",{\\\"text\\\":\\\"[Up]\\\",\\\"color\\\":\\\"white\\\",\\\"bold\\\":true,\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/trigger JPX2 set 1\\\"}},{\\\"text\\\":\\\" \\\",\\\"color\\\":\\\"none\\\",\\\"bold\\\":false},{\\\"text\\\":\\\"[Hover]\\\",\\\"color\\\":\\\"white\\\",\\\"bold\\\":true,\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/trigger JPX2 set 2\\\"}},{\\\"text\\\":\\\" \\\",\\\"color\\\":\\\"none\\\",\\\"bold\\\":false},{\\\"text\\\":\\\"[Down]\\\",\\\"color\\\":\\\"white\\\",\\\"bold\\\":true,\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/trigger JPX2 set 3\\\"}}]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/scoreboard players enable @a[score_JPX1_min=1,score_JPX1=1] JPX2"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~1 chain_command_block 12 replace {auto:1,Command:"/scoreboard players set @a[score_JPX1_min=1,score_JPX1=1,score_JPX3_min=400] JPX3 0"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @a[score_JPX1_min=1,score_JPX1=1,score_JPX3_min=400] ~ ~ ~ /clear @p coal 1 1"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 1 replace {auto:1,Command:"/scoreboard players set @a[score_JPX1_min=0,score_JPX1=0] JPX3 0"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 13 replace {auto:1,Command:"/scoreboard players set @a[score_JPX1_min=1,score_JPX1=1,score_JPX3_min=400] JPX3 0"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @a[score_JPX1_min=1,score_JPX1=1,score_JPX3_min=400] ~ ~ ~ /clear @p coal 0 1"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/effect @a[score_JPX1_min=1,score_JPX1=1,score_JPX2_min=0,score_JPX2=0,tag=!JPD] levitation 1 255 true"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @a[score_JPX1_min=0,score_JPX1=0] JPX1 0 {OnGround:0b,Inventory:[{id:minecraft:leather_chestplate,Slot:102b,tag:{display:{Name:\\\"Jetpack\\\",color:16777215,Lore:[\\\"Equip to use\\\"]}}},{}]}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/scoreboard players set @a[score_JPX1_min=0,score_JPX1=0] JPX1 1 {OnGround:0b,Inventory:[{id:minecraft:leather_chestplate,Slot:102b,tag:{display:{Name:\\\"Jetpack\\\",color:16777215,Lore:[\\\"Equip to use\\\"]}}},{id:minecraft:coal}]}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @a JPX1 0"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[type=Item,score_JPX1_min=3,score_JPX1=3] ~ ~ ~ /kill @e[type=Item,score_JPX1_min=1,score_JPX1=3,r=1,c=3]"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[type=Item,score_JPX1_min=3,score_JPX1=3] ~ ~ ~ /summon Item ~ ~ ~ {Item:{id:leather_chestplate,Count:1,tag:{display:{Name:\\\"Jetpack\\\",color:16777215,Lore:[\\\"Equip to use\\\"]}}}}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[type=Item,score_JPX1_min=3,score_JPX1=3] ~ ~ ~ /particle lava ~ ~ ~ 0 0 0 1 100"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"/execute @e[type=Item,score_JPX1_min=2,score_JPX1=2] ~ ~ ~ /scoreboard players set @e[type=Item,r=1] JPX1 3 {OnGround:1b,Item:{id:minecraft:furnace,Count:1b}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @e[type=Item,score_JPX1_min=2,score_JPX1=2] ~ ~ ~ /scoreboard players set @e[type=Item,r=1] JPX1 0 {OnGround:1b,Item:{id:minecraft:furnace}}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @e[type=Item,score_JPX1_min=1,score_JPX1=1] ~ ~ ~ /scoreboard players set @e[type=Item,r=1] JPX1 2 {OnGround:1b,Item:{id:minecraft:iron_chestplate,Count:1b,Damage:0s}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @e[type=Item] JPX1 1 {OnGround:1b,Item:{id:minecraft:blaze_powder,Count:4b}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"/scoreboard players set @e[type=Item] JPX1 0 {OnGround:1b,Item:{id:minecraft:blaze_powder}}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}