This week, three Aerospace and Defense stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Erickson Air-Crane Inc (NASDAQ:EAC) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. Erickson Air-Crane, Inc. is engaged in the operations and manufacture of the Aircrane, a versatile and powerful heavy-lift helicopter. The company operates through two business segments: Aerial Services and Aircraft Manufacturing and Maintenance, Repair, and Overhaul. The Aerial Services segment own… In Portfolio Grader’s specific subcategories of Earnings Revisions, Equity, and Sales Growth, EAC also gets A’s. For more information, get Portfolio Grader’s complete analysis of EAC stock.

Honeywell (NYSE:HON) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Honeywell International is a worldwide diversified technology and manufacturing company providing aerospace products and services, control, sensing and security technologies, turbochargers, automotive products, specialty chemicals, electronic and advanced materials, process technology for refining and petrochemicals, and energy efficient products and solutions. For more information, get Portfolio Grader’s complete analysis of HON stock.

CPI Aerostructures (AMEX:CVU) earns a B this week, jumping up from last week’s grade of C. CPI Aerostructures engages in the contract production of structural and other aircraft parts for prime defense contractors, the United States Air Force, and other branches of the armed forces. For more information, get Portfolio Grader’s complete analysis of CVU stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.