The text on this page has been created from Hansard archive content, it may contain typographical errors.
Mr. Ronald Brown
asked the Secretary of State for Trade, pursuant to his reply to Question No. 541 on 28th February 1977, what the highest noise levels would have been had Concorde been included in the results; and which runways the relevant aircraft were using.
Mr. Clinton Davis
Following is the information:
| PNdB | Runway | Aircraft Type | |
| 1976 | |||
| January | 118 | 10L | Trident |
| February | 124 | 10L | Boeing 707 |
| March | 118 | 10L | Trident |
| April | 117 | 28L | Trident |
| 10R | Boeing 707 | ||
| May | 119 | l0R | Concorde |
| June | 124 | 10L | Boeing 707 |
| July | 119 | 10L | Boeing 707 |
| 10R | Boeing 747 | ||
| August | 119 | 10R | Boeing 707 |
| September | 124 | 10R | Concorde |
| October | 122 | 10R | Concorde |
| November | 118 | 28L | Boeing 707 |
| December | 118 | 28L | Boeing 707 |
| 1977 | |||
| January | 121 | 10R | Boeing 747 |