I know the Boeing 777 and 787 run on Fly-By-Wire. I was wondering:

• Do they have the Alpha Floor or Flight Envelope protections Airbus aircraft have?
• Do they have force feedback/force feel? The 737, for example, is connected using physical cables that move the flight control surfaces, so you can feel the yoke trying to move and when there is turbulence, it will actually shake a bit. This can't be felt with an Airbus sidestick. Can you feel this in Boeing Fly-By-Wire aircraft?
• When banking (without any pitch input), will the aircraft start to descend, or does the system counteract it like in an Airbus? In non Fly-By-Wire aircraft, they will start to descend a bit when banking, but Airbus Fly-By-Wire counteracts it by adjusting stabilizer trim. //

1. Do they have the Alpha Floor or Flight Envelope protections Airbus aircraft have?

The Alpha Floor protection on an Airbus overwrites the thrust setting commanded with the thrust levers to TOGA. Boeing does not do this. The autothrottles (if armed) will engage to prevent a stall, but the computer never overwrites the actual thrust lever position in the cockpit: //

Essentially, the philosophy for the control authority differs:

• Airbus will not let you do control inputs that might get you killed.
• Boeing will stop you from accidentally making control inputs that might get you killed, but you can overwrite them. //

2. Do they have force feedback/force feel?

Yes, unlike an Airbus sidestick the Boeing 777 and 787 simulate the forces on the yoke and therefore provide force feedback: