What are the flight visibility and cloud clearance requirements for a helicopter in Class G airspace less than 1,200 feet AGL?

During the day, less than 1,200 AGL in class G airspace, the flight visibility requirements are ½ statue mile and the cloud clearance requirements are to remain clear of clouds.

At night, less than 1200 AGL in Class G airspace, the helicopter flight visibility requirements are 1 statue mile visibility and cloud clearance requirements are to remain clear of clouds.  However, within ½ mile of the runway or helipad of intended landing, a helicopter may be operated in an airport traffic pattern clear of clouds if the flight visibility is not less than ½ statue mile.

Reference(s):

14 CFR 91.155 Basic VFR weather minimums

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While flying a helicopter, what are the minimum safe altitudes required by regulation?

In general, there are no minimum altitude requirements for helicopters other than providing the ability to make a safe emergency landing and complying with routes or altitudes specifically prescribed.  All aircraft should be operated at an altitude allowing for a safe emergency landing.  Helicopters may fly lower that what airplanes are allowed, as long as the pilot complies with any routes or altitudes specifically prescribed for helicopters by the FAA.

Reference(s):

14 CFR 91.119 Minimum safe altitudes

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What are three key transponder codes that should be memorized?

Three key transponder codes are:7500 for hijack, 7600 for radio, 7700 for emergency.

The following mnemonic can be helpful in remembering the codes.  All three codes end in zeros.

• 75 you need a 45, that is you need a gun as you are being hijacked.
• 76 you need a fix, that is your radio is broken.
• 77 you are going to heaven, hopefully not.

Reference(s):

AIM 2018 4-1-20
AIM 2018 6-2-2

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