Accession Number : ADP005976

Title :   The Influence of Operational Requirements on LHX Concept Formulation,

Corporate Author : ARMY AVIATION SYSTEMS COMMAND ST LOUIS MO

Personal Author(s) : Hubbard, Robert D. ; Tomaine, Robert L.

Report Date : JUN 1987

Pagination or Media Count : 8

Abstract : This paper addresses the U.S. Army's Light Helicopter Family (LHX) helicopter program which id with concept formulation including governing regulations, how the process is executed, the scope of effort involved and innovations included for LHX. The evolution of the requirements is emphasized and the focus of the paper is on how operational requirements drive engineering requirements and ultimately the design of the aircraft. Operational requirements are driven by the LHX concept, namely, a family of Scout/Attack (LHX-SCAT) and Utility (LHX-U) aircraft with common dynamic components, core mission equipment and common subsystems. The impacts of the unique LHX-SCAT aircraft on the design and commonality with the LHX-U are discussed. The operational requirements are categorized into those associated with the Army 21 concept of the future battlefield, the threat, safety and Reliability, Availability and Maintainability (RAM). Each category results in several specific design impacts. The synergistic effect of these design impacts creates a very challenging task when combined with real world cost, weight and size goals for the LHX. NATO.

Descriptors :   *HELICOPTERS, AIRCRAFT, ARMY, BATTLEFIELDS, CORES, COSTS, DYNAMICS, TILT ROTOR AIRCRAFT, EVOLUTION(GENERAL), LIGHTWEIGHT, MAINTAINABILITY, MISSIONS, NATO, RELIABILITY, REQUIREMENTS, SYNERGISM.

Subject Categories : Helicopters

Distribution Statement : APPROVED FOR PUBLIC RELEASE