| # | Regulations |
|---|---|
| 1 | - - Helicopters. |
| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.551(i) - "Hooking and Unhooking Loads from Hovering Helicopters". |
| # | Regulations |
|---|---|
| 1 | - - Helicopters. |
| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.551(i) - "Hooking and Unhooking Loads from Hovering Helicopters". |