O&P Flashcards
Should a riveted joint fail in shear or in bearing?
It should fail in shear. The rivets should shear before the sheet tears at the rivet holes.
What is done to cotton and linen fabric to protect it from mildew?
The first coat of dope used on cotton and linen fabric has a mildewcide mixed in it.
Does rejuvenator restore strength to the fabric?
No, it only restores resilience to the finish.
What kind of repair can be made to a small damage of the core material and one face sheet of a piece of aluminum alloy honeycomb structure?
A potted compound repair.
How do you grind the point of a twist drill that is to be used for drilling transparent acrylic material?
The cutting edge should be dubbed off to a zero rake angle, and the included angle of the tip should be ground to 140 degrees.
What is a warp clock in a structural repair manual?
An alignment indicator to show the orientation of the plies of a composite material. The ply direction is shown in relation to a reference direction.
What are two types of repair to a damaged honeycomb core composite material?
Room-temperature cure repair and hot-bond repair.
If a mechanic gives a 100-hour inspection to an aircraft that proves to be unairworthy, what must the mechanic give the owner or operator of the aircraft?
A signed and dated list of all of the discrepancies that keep the aircraft from being airworthy.
Where can you find the recommended statement to use for recording the approval or disapproval of an aircraft for return to service after a 100-hour inspection?
In 14 CFR §43.11.
Under what conditions can an aircraft be operated with a 100-hour inspection overdue?
The aircraft can be operated for no more than 10 hours after an inspection is due for the purpose of flying it to a place where the inspection can be performed.
For how long can an aircraft be operated if a 100-hour inspection is overdue?
For no more than 10 hours. The time beyond the 100 hours must be subtracted from the time before the next inspection is due.
Under what conditions can an aircraft that is due for an annual inspection be operated?
It can only be flown when a special flight permit is issued.
What certification is required for a mechanic to be able to approve an aircraft for return to service after a 100-hour inspection?
An Aviation Mechanic certificate with Airframe and Powerplant ratings.
What determines whether or not an aircraft must be given a 100-hour inspection?
Aircraft that carry persons for hire and aircraft that are used for flight instruction for hire must be given 100-hour inspections.
What is the difference between an annual inspection and a 100-hour inspection?
The inspections themselves are identical. An annual inspection can be conducted only by an A&P mechanic who holds an Inspection Authorization, while a 100-hour inspection can be performed by an A&P mechanic without an IA.
