When planning survival gear for a flight over cold mountainous terrain, which of the following should be included to address the primary environmental hazard?

You are planning a VFR cross-country flight over high mountainous terrain where sudden weather changes and cold temperatures are common. In preparation for a possible off-airport landing, which survival gear should you include in your aircraft?

A portable aircraft fire extinguisher contains 2.5 pounds of extinguishing agent and discharges at a rate of 0.25 pounds per second. Approximately how many seconds of continuous discharge time does it provide?

Which of the following is emergency equipment and survival gear needed specifically for overwater operations?

You are the sole pilot aboard an aircraft equipped with an emergency autoland system while carrying passengers on a daytime VFR flight. You experience sudden dizziness and determine you can no longer safely control the aircraft. What is the most appropriate action?