David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. ...

In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans. (David Mackay)

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David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.

David Mackay Quotes: In any aircraft you fly, you always think about what can go wrong, and you plan for it in advance. You always have back-up plans.