Description

Semi-Prepared Runway Operations (SPRO) are most often considered those operations conducted by military aircraft to a marginal airfield or to a temporary landing zone (LZ). However, some of the factors that are discussed in this article are also applicable to light General Aviation (GA) aircraft conducting off-strip operations.

SPRO may be used for, but are not limited to, combat operations where flight operations to a semi-prepared runway might take place close to the forward edge of the battle area. In many cases, however, SPROs are used for disaster support or famine relief operations.