Stored energy

1) Regarding vehicle braking systems, parking brakes must be capable of meeting efficiency requirement without the assistance of stored energy (ie without air/vacuum assistance). For these purposes, energy stored in a compressed spring is not counted as being stored - see Spring brakes.

STOL

1) Short take-off and landing. Aircraft designed with short take-off capabilities, ideal for short-haul operations using city airports (eg the London City Airport in Docklands).

Stockout risk

1) The accepted risk of having a shortage of stock of an item which is used in calculating the required level of safety stock. (Source: ILT Supply-Chain Inventory Management SIG)

Stockout costs

1) The economic consequences of an internal or external stockout such as missed sales, delayed deliveries, anticipated lower sales in the future because of loss of goodwill, costs resulting from production stoppages and all kinds of associated costs. (Source: ILT Supply-Chain Inventory Management SIG)

Stock types

1) The products which are determined for delivery from stock. (Source: ILT Supply-Chain Inventory Management SIG)

Stock turn

1) (1) The rate at which warehouse stocks (ie inventory) turns over (ie number of times replaced in a given period - usually one year). Generally, it is preferable to have a high stock turn: this indicates fast moving business. (2) The number of times that an inventory turns over during the year and normally obtained by dividing the average inventory value into the annual cost of sales. (Source: ILT Supply-Chain Inventory Management SIG)