What is the rate of climb determined from the maximum rate-of-climb chart under specified conditions?

The correct answer is 765 feet per minute (f.p.m.) because this figure is derived from the maximum rate-of-climb chart, which illustrates the rate of climb an aircraft can achieve under specific conditions such as weight, altitude, and temperature. This chart is essential for pilots to determine how efficiently an aircraft can gain altitude, especially in varying environmental conditions.

The maximum rate-of-climb chart accounts for various factors that can affect performance, including density altitude and aircraft configuration, ensuring the pilot understands the aircraft's capabilities at any given moment. Pilots use this information to make informed decisions regarding aircraft performance, especially during takeoff and initial climb, where the rate of climb is crucial for clearing obstructions and achieving a safe ascent.

The other options, while they may represent potential rates of climb for different aircraft or under different conditions, do not match the specific data provided in the chart for the specified conditions being referenced in this question. Thus, 765 f.p.m. is the recognized performance rate under the stated criteria.