I040s2 Interview Preparation: How would you weigh a plane without a scale? Sample 2 – Mid Level

Interview Preparation: How would you weigh a plane without a scale? Sample 2 – Mid Level

Before I attempt the question, I would like to know what other resources are available. Depending upon the resources available I will think of a logical way.

Assuming resources used are available, I can deduce it from following approaches: 

One approach is getting cars weight and then multiplying it to certain number and then making adjustment for aluminium and steel weight. Car weight is around 1000 kgs. I think if we multiply it by 60 we will reach there and I will reduce by 40 due to aluminium use in plane. So plane weight must be near 40 thousand kgs.

2nd Approach could be looking at horse power of engine and then calculating what it takes to lift that kind of weight.