?r^^^ 



ASR; ALTERNATIVE LAUNCHING PLATFORM 



FROM 



STAGING 



PORT 



DISENGAGE 



MATE, DISCHARGE RESCUEES, 

 RECHARGE BATTERIES 



MOTHER SSN 



DESCEND 



7 ROUND TRIPS FROM MOTHERSHIP 

 TO DISTRESSED SSN TO REMOVE 

 FULL COMPLEMENT OF 156 MEN 



MATE, SEAL, 

 DEWATER 

 REMOVE 

 RESCUEES 



TOTAL TIME OF RESCUE 

 OPERATION: 16HR-58MIN 



DISTRESSED SUBMARINE 



CENTERLINE OF HATCH SYSTEM • 

 DSRVSKIRT 



SHOCK 

 ABSORBER 



MAX. RADIAL 



MISALIGNMENT 



OF SKIRT 



AND RESCUE SEAT 



— 36y2 IN. RADIUS 

 -4iy2 IN. RADIUS- 



HATCH BAIL 



FAIRING 

 HATCH 



RESCUE SEAT 



NOTES: 



1. FLAT APPROACH MAX. LOAD IMPACT 

 76,000 LB TOTAL OVER THE CONTACT 

 AREA. 



2. POINT IMPACT LOAD AT ANGULAR 

 APPROACH IS 30,000 PSI MAX. 



3. THE LOAD THE SKIRT WILL EXERT ON 

 THE RESCUE SEAT AFTER DEWATERING 

 THE SKIRT IS HYDROSTATIC PRESSURE 

 ACTING OVER THE SEALED AREA OF 

 2,700 SQUARE INCHES. 



4. 290 PSI ADDITIONAL LOADING MAY BE 

 EXPECTED ON THE DOWNSTREAM SIDE 

 FOR A 2-KNOT LATERAL CURRENT. 



SUBMARINE DECK 



ESCAPE TRUNK 



HAND WHEEL 

 Fig. 15.4 DSRV rescue scenario (top). Details of typical submarine rescue seat (bottom). 



696 



