Sound level meter means an instrument which includes a microphone, amplifier, RMS detector, integrator or time averager, output meter, and weighting networks used to measure sound pressure levels.
Fitch means Fitch Ratings, Inc., and its successors in interest.
Periodically regenerating system means an exhaust emissions control device (e.g. catalytic converter, particulate trap) that requires a periodical regeneration
operating site means a site, other than an aerodrome, selected by the operator or pilot-in-command or commander for landing, take-off and/or external load operations;
Credit Rating Agency means a nationally recognized credit rating agency that evaluates the financial condition of issuers of debt instruments and then assigns a rating that reflects its assessment of the issuer’s ability to make debt payments.
Moody s” means Moody’s Investors Service, Inc.