RADAR-CAPABLE
Houses, or can house (through specialized variants), radar equipment for searching, tracking, and engagement of enemy elements.
COUNTERMEASURES
Survivability enhanced by way of onboard electronic or physical countermeasures enacted by the aircraft or pilot/crew.
MULTI-ENGINE
Incorporates two or more engines, enhancing survivability and / or performance.
WING SWEEPBACK
Mainplanes, or leading edges, features swept-back lines for enhanced high-speed performance and handling.
RUGGED AIRFRAME
Inherent ability of airframe to take considerable damage.
INTERNAL BAY
Fuselage volume includes space for internally-held weapons or special-mission equipment.
HIGH-ALTITUDE PERFORMANCE
Can reach and operate at higher altitudes than average aircraft of its time.
EXTENDED RANGE PERFORMANCE
Capability to travel considerable distances through onboard fuel stores.
MARITIME OPERATION
Ability to operate over ocean in addition to surviving the special rigors of the maritime environment.
CREWSPACE PRESSURIZATION
Supports pressurization required at higher operating altitudes for crew survival.
ENCLOSED CREWSPACE(S)
Features partially- or wholly-enclosed crew workspaces.
RETRACTABLE UNDERCARRIAGE
Features retracting / retractable undercarriage to preserve aerodynamic efficiency.
ENHANCED ACCESS
Design incorporates feature(s) that facilitates loading / unloading of cargo / personnel from the aircraft.