Note:  For CAT III, the required runway length is the greater of: 
. determined runway length + 1000ft . determined runway length x 1.15 (x 1.3 if thrust reversers are inoperative) 
For auto-land braking, the assumed touchdown point should be 2300ft beyond the threshold. 
Modifications: 
CAT II  Basic aircraft 

CAT III A without DH: Aircraft with mod. (4941 and 5429)
4941: Achieve CAT III fail-operational 5429: Upgrade autothrottle
CAT III B without DH: Aircraft with mod (4941+5502+5429+5528+5757)
4941: Achieve CAT III fail operational 5429: Upgrade autothrottle 5502: Autopilot: Modify FAC,FCC, FCU supply bus bar 5528: AFS: Update FAC CAT III certification standard 5757: AFS: Update FCC, MTP CAT III certification standard
For specific AFCS limitations, refer to Flight Manuals.
A310 CAT II/III CERTIFICATION STATUS
CAA
Category  Min. DH  MABH  AH  Min. RVR  Remarks 
CAT II  100 ft  No RVR specified  Certified capability CAT 2, CAT 3 
CAT III fail-passivewith DH (1)  50 ft  No RVR specified  Certified capability CAT 3 
CAT III fail-operationalwith DH  15 ft  15 ft  100 ft  100 m  Certified capability CAT 3 (indicated at 100ft) ILS CAT 3 mandatory Airport in accordance with CAP359 or acceptable alternative 
CAT III fail-operationalwithout DH  100 ft 

Modifications: 
CAT II  Basic aircraft 
(1) CAT III fail-passive:  With mod. 4747 (NO LONGER APPLICABLE) 
CAT Ill fail-operational:  With mod. (4941+5502+5429+5528+5757) 4941: Achieve CAT III fail operational 5429: Upgrade autothrottle 5502: Autopilot: Modify FAC,FCC, FCU supply bus bar 5528: AFS: Update FA C CAT III certification standard 5757: AFS: Update FCC, MTP CAT Ill certification standard 

For specific AFCS limitations, refer to Flight Manuals.
A310 CAT II/III CERTIFICATION STATUS
RLD
Category  Min. DH  MABH  AH  Min. RVR  Remarks 
CAT II  100 ft  No RVR specified  Certified capability CAT 2, CAT 3 
CAT III B fail-operationalwithout DH  100 ft  75m  Certified capability CAT 3 

Note:  For CAT III, the required runway length is the greater of: 
. determined runway length + 1000ft . determined runway length x 1.15 
Modifications: 
CAT II  Basic aircraft 
CAT III  Aircraft with mod. (4941+5502+5429+5528+5757) 4941: Achieve CAT III fail-operational 5429: Upgrade autothrottle 5502: Autopilot: Modify FAC, FCC, FCU supply bus bar 5528: AFS: Update FAC CAT III certification standard 

5757: AFS: update FCC, MTP CAT III certification standard
For specific AFCS limitations, refer to Flight Manuals.
A310 CAT II/III CERTIFICATION STATUS
　
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