Exhibit 99.27

MBNA MASTER CREDIT CARD TRUST II

SERIES 1997-F

KEY PERFORMANCE FACTORS
July 31, 1997



Expected B Maturity 6/17/02


Blended Coupon 6.4268%



Excess Protection Level
3 Month Average 2.78%
July, 1997 2.78%
June, 1997 N/A
May, 1997 N/A


Cash Yield 17.12%


Investor Charge Offs 4.54%


Base Rate 9.80%


Over 35 Day Delinquency 4.47%


Seller's Interest 18.18%


Total Payment Rate 14.22%


Total Principal Balance $30,179,392,749.44


Investor Participation Amount $706,000,000.00


Seller Participation Amount $5,486,155,230.95