Mass problem.. help!
Question: Given an aeroplane with: Maximum Structural Landing Mass: 68000 kg Maximum Zero Fuel Mass: 70200 kg Maximum Structural Take-off Mass: 78200 kg Dry Operating Mass : 48000 kg Scheduled trip fuel is 7000 kg and the reserve fuel is 2800 kg, Assuming performance limitations are not restricting, the maximum permitted take-off mass and maximum traffic load are respectively:
Answer: 75000 kg and 17200 kg
---
Can anyone give me an explenation on this? Struggeling to find any info....
Thanks in advance..