Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Aircraft | Description | Max Gross Weight | Total disk area | Max disk Loading |
| --- | --- | --- | --- | --- |
| Robinson R-22 | Light utility helicopter | 1,370 lb (635 kg) | 497 ft² (46.2 m²) | 2.6 lb/ft² (14 kg/m²) |
| Bell 206B3 JetRanger | Turboshaft utility helicopter | 3,200 lb (1,451 kg) | 872 ft² (81.1 m²) | 3.7 lb/ft² (18 kg/m²) |
| CH-47D Chinook | Tandem rotor helicopter | 50,000 lb (22,680 kg) | 5,655 ft² (526 m²) | 8.8 lb/ft² (43 kg/m²) |
| Mil Mi-26 | Heavy-lift helicopter | 123,500 lb (56,000 kg) | 8,495 ft² (789 m²) | 14.5 lb/ft² (71 kg/m²) |
| CH-53E Super Stallion | Heavy-lift helicopter | 73,500 lb (33,300 kg) | 4,900 ft² (460 m²) | 15 lb/ft² (72 kg/m²) |
Question:
What if the description of a ch-47d chinook?
Answer:
Tandem rotor helicopter