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Table II. Escape system ground clearance requirements envelope cross section for single seat aircraft. 1/ , 2/ cont'd |
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|  MIL-S-18471G(AS)
2/ Proposed conditions for escape involving sequencing ejection of two or
more aircrewmembers shall be prepared in similar format and made
available to the procuring activity for written approval.
3/ Aircraft velocity and bank angle conditions at escape system initiation.
4/ Airspeeds measured along the aircraft X axis as positioned by the
corresponding dive angle.
5/ Substitute maximum aircraft airspeed if aircraft maximum airspeed is less
than 600 KEAS.
6/ Ground level encompasses a range of altitudes from -1,000 feet to +6,000
feet above mean sea level.
7/ Aircraft sink rate as defined by the specified airspeed and dive angle.
8/ This condition shall be met with an aircraft deceleration of 5.0g's
measured parallel to the qround.
9/ The parachute canopy shall open fully at least one time while the lowest
point of the aircrewmember is at least twenty feet above the ground.
Achievement of average descent velocity of 3.2.2.6.1e shall not be required.
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