HTOL

HTOL can be an abbreviation for:


 * High temperature operating life, a method of estimating the operating life of a product
 * Horizontal take-off and landing, as opposed to Vertical take-off and landing
 * STOL, Short take-off and landing
 * CTOL, Conventional take-off and landing
 * STOBAR, Short take-off but arrested recovery
 * CATOBAR, Catapult-assisted take-off but arrested recovery