Survivability enhanced by armor allocated to protect pilot / crewspaces and / or critical operating systems.
Incorporates two or more engines, enhancing survivability and / or performance.
Design incorporates rear-facing pusher-prop arrangement, a contrast to the more conventional puller-prop layout.
Mainplanes are designed to fold, improving storage on land and at sea.
Inherent ability of airframe to take considerable damage.
Can accelerate to higher speeds than average aircraft of its time.
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.
Design covers the three all-important performance categories of speed, altitude, and range.
Ability to operate over ocean in addition to surviving the special rigors of the maritime environment.
Manual process of allowing its pilot and / or crew to exit in the event of an airborne emergency.
Supports pressurization required at higher operating altitudes for crew survival.
Features partially- or wholly-enclosed crew workspaces.
Features retracting / retractable undercarriage to preserve aerodynamic efficiency.