Pressure altitude:   | 6,000 ft | Temperature:   | +13 °C | Power:   | 2,500 RPM | MP:   | 23 | Usable fuel available:   | 460 lb |
What is the maximum available flight time under the conditions stated? 4 hours 46 minutes.5 hours 12 minutes.5 hours 7 minutes.4 hours 58 minutes. |