It appears that rudderrat is correct.
If only Normal law had been preserved.
ALT law took out the following protections:
- pitch attitude
- low energy
- alpha floor
- high speed
- turbulence damping
Low speed stability protection becomes active. Near stall this brings up a black and red barber pole (oblique stripes?) on the PFD speed. However a black and red ladder (horizontal stripes) is the overspeed!!!
This is surely a
trap for mis-interpretation. Why on earth do they use the same colors for overspeed ladder as stall ladder in ALT law! Remember in Normal Law the stall ladder is amber.
Anyone else confirm this?
LOW SPEED STABILITY PROTECTION
An automatic nose down command is introduced to increase speed. No reference to AOA, only speed. Operates 5 to 10 kts above stall warning depending on weight & slat/flap configuration. The pilot can override.
"STALL" announces and crickets heard prior to stall speed being reached. PFD shows black and red barber’s pole for stall warning speed. V-apha-prot and V-alpha-max are replaced by Vsw (stall warning speed). No alpha-floor protection is available.