The Skybrary
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This article contains information on a defunct feature of the game and may not be representative of current features.

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Upgrade Name Firepower Armor (mm) Maneuver Ammo (rounds) Cargo (%) Range (%) Max Speed (%) Stall Speed (%) Acceleration (%) Upgrade Wight (lbs) Price (% of plane cost) Availability
Additional Cargo Hold 30 4000 45 Olio, Alpha 1, Alpha 2
Gutted Cargo Hold 15 1000 3 Aleut, Fuseli, Tehras, Sharif, Shriebeck, Echo, Alpha 3, Eltsina, Cidade
Gutted Craft 20 3500 15 Isla di Pisa, Olio, Luz, Tortuga
Heavy Armor Plating 4 -12 -15 4000 28 Isla di Pisa, Goldenrod, Phillipia, Luz
Large Internal Fuel Tank 16 2800 14 Fuseli, Alpha 1, Alpha 5, New Hovlund
Light Armor Plating 1 -4 -5 1000 2 Romeo, Aleut, Fuseli, Goldenrod, Sharif, Leng, Echo, Eltsina, Gonk, Cidade, Islo, Uurwerk
Lightweight Shell 5 20 2000 4 Isla di Pisa, Olio, Jordan, Echo, Valvia, Alpha 3, Eltsina, Alpha 5, New Hovlund, Islo
Magazine 3000 2730 40 Lhasa, Uurwerk, Phillipia
Medium Armor Plating 2 -8 -10 2900 5 Valvia, Tinkspoit, Tortuga, New Hovlund, Kadath, Arcadia, Islo
Medium Internal Fuel Tank 12 2200 7 Alpha 1, Luz, Tinkspoit, Tortuga, Cidade, Kadath, Islo
Small Internal Fuel Tank 8 1500 1 Aleut, Getty, Fuseli, Tehras, Earthbreach, Jordan, Leng, Valvia, Midgard, Eltsina, Gonk, Grottopolis
Streamlined Hull -1 5 5 1900 3 Romeo, Tehras, Sharif, Earthbreach, Shriebeck, Leng, Alpha 3, Uurwerk, Grottopolis
Trading Kit 2 2 -1 150 100 150 20 -10 4000 1347 Cidade, Steppe