$${\frac{\Delta y_a}{y_a} = \sqrt{\left(\frac{\Delta v_v}{v_v}\right)^2 + \left(\frac{1}{2}\frac{\Delta h}{h}\right)^2 + \left(\frac{1}{2}\frac{\Delta h_t}{h_t}\right)^2 + \left(\frac{1}{2}\frac{\Delta g}{g}\right)^2+\left(\frac{3}{2}\frac{\Delta m_a}{m_a}\right)^2+\left(\frac{3}{2}\frac{\Delta m_v}{m_v}\right)^2}}$$