B-707 undercarriage incident - Ostende, Belgium

Date:         29 Nov 97 03:24:31 
From:         you@somehost.somedomain (d)
Organization: Your Organization
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The plane landed (safely) without front gear on foam, straight on
runway, in sea of sparks. Those gears incidents make me wonder : what
happened to emergency gravity-actuation ?
Is the gear stuck so much it cannot be deployed mechanically ?
Can the design be improved to avoid the gear being stuck ?