| Year | Answer | % Correct |
|---|---|---|
| 1981 | 767-200 | 100%
|
| 1986 | 767-300 | 97%
|
| 1986 | 767-300ER | 84%
|
| 1984 | 767-200ER | 81%
|
| 1995 | 767-300F | 69%
|
| 1999 | 767-400ER | 66%
|
| 2008 | 767-300BCF | 31%
|
| 1981 | 767-200SF | 25%
|
| 2009 | 767-300BDSF | 19%
|