Refer to CAP 758 - Section 2 - Single Engine Piston Helicopter (SEPH).
Given the following information, what is the allowed traffic load if no performance limits exist?
Maximum Gross Mass: 2 050 lbs
Basic Empty Mass (BEM): 1 194 lbs
Pilot: Standard Mas
Fuel: 30 USG
Assume 1 USG = 6lbs
Refer to figure.
Traffic Load by definition is, “the total mass of passengers, baggage and cargo, including any non-revenue load.”
Pilot standard mass is given as 85 kg in accordance with EASA Air Operations, AMC2 CAT.POL.MAB.100(d).
In order to calculate the traffic load we need to convert the values to lbs from any other given units. We know that 1 kg = 2.205 lbs, therefore:
- Pilot = 85 kg x 2.205 lbs = 187.4 lbs
- Fuel = 30 USG x 6 lbs = 180 lbs
- Traffic Load = Max Gross Mass - BEM - Pilot mass - Fuel mass = 2 050 lbs - 1 194 lbs - 187.4 lbs - 180 lbs = 488,6 lbs ≈ 489 lbs
NOTE:
For questions regarding different types of masses, it’s a good idea to refer to CAP 758 section 1–4, Definitions. This can help you solve most of the questions regarding finding different masses.
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