Flight Safety Foundation Aviation Mechanics Bulletin 1988

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November–December 1988

FAR’s for Aviation Mechanics Under One Cover 12 pages. [PDF 58K]

The 1988 edition of the book Federal Aviation Regulations For Mechanics is now available. This publication offers the mechanic all of the needed FAA regulations under one cover, a convenience that eliminates the need to maintain a hefty library. That fact, together with the convenience of having an index, makes it worth the price.

September–October 1988

Corrosion in Crevices 12 pages. [PDF 56K]

A never-ending struggle to detect, eliminate and stop corrosion takes place every moment of an aviation mechanic’s work day. The story really begins on the drawing board where the designers opt for ever higher strength structural materials that will permit lighter airframes to carry more payload and fly higher and further. It then ends in a material failure after exposure to operational environments and associated stresses. Cracks form and then grow until either discovered through inspection or when the part breaks due to a critical combination of crack length and loads.

July–August 1988

Hearing Loss: There is a Threshold 12 pages. [PDF 57K]

Aviation technicians don’t always realize there is a hearing injury threshold on the job. Whether in the hangar or on the line, one observes mechanics and technicians ignoring this hearing problem. They are exposing their unprotected ears to powerplant, machinery and various tool noise that exceeds that injury threshold. It is not only the high pitch of aircraft powerplants, but, also of grinding wheels, air power tools, some types of air pressure cleaning machines and seemingly harmless hand tools.

May–June 1988

Special Lubes For Special Purposes 12 pages. [PDF 30K]

Aviation technicians often have a need for a special purpose lubricant, but may use one lubricant for every purpose. It just doesn’t work for every purpose and a special part may not receive its proper lubricant.

March–April 1989

How Safe Is the Aircraft’s Water? 12 pages. [PDF 30K]

How many persons are aware that water served onboard some flights could be unhealthy? Maintenance facilities’ water tank inspections may be infrequent, water may be improperly treated with chemical purifiers, and the quality of available water to be treated may be questionable.

January–February 1988

Four-bladed Conversion 8 pages. [PDF 21K]

U.S. Federal Aviation Administration has given STC approval to McCauley for a four-bladed propeller to be used on the Beechcraft King Air C90. Cost of the propeller system, excluding the installation, is $27,000 for two propellers and two spinners with complete de-ice, and all required hardware to make the conversion. A $2,000 credit will be given for the old propellers.