November 19, 20232 yr Can someone solve this mystery for me? I'm about to fly the 738 out of KSNA using the normal PMDG profile from Simbrief which gives a Max TOW of 79333kg. When I input all the figures into the EFB performance app and hit calculate - I get an error stating "Takeoff not allowed- Max weight of 65259kg is exceeded." I should be 10 tonnes under the limit as I'm at 69050kg. What gives? B450 Tomahawk Max / Ryzen 7 5800x3D / RTX 3060ti 8G / Noctua NH-UI21S Max Cooling / 32G Patriot RAM / 1TB NVME / 450G SSD / Thrustmaster TCA & Throttle Quadrant / Xiaomi 32" Wide Curved Monitor 1440p 144hz
November 19, 20232 yr Just guessing here, but KSNA's longest runway is around 5,700 ft. The EFB takes this into account, along with the weather, weight, etc. It doesn't say it explicitly, but in this case, you're probably runway length limited. Simbrief's MTOW represents the structural limit of the aircraft itself. Have a look at a detailed description at https://en.wikipedia.org/wiki/Maximum_takeoff_weight John Wiesenfeld KPBI | FAA PPL/SEL/IFR in a galaxy long ago and far away | VATSIM PILOT P2 i7-11700K, 32 GB DDR4 3.6 GHz, MSI RTX 3070ti, Dell 4K monitor
November 19, 20232 yr Author Yeah rookie mistake here. Reduced PAX load for takeoff. Thx for the headsup! B450 Tomahawk Max / Ryzen 7 5800x3D / RTX 3060ti 8G / Noctua NH-UI21S Max Cooling / 32G Patriot RAM / 1TB NVME / 450G SSD / Thrustmaster TCA & Throttle Quadrant / Xiaomi 32" Wide Curved Monitor 1440p 144hz
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