What is the goal of the phase-out required by the Airport Noise and Capacity Act of 1990?

The goal of the phase-out mandated by the Airport Noise and Capacity Act of 1990 is specifically to reduce noise pollution by phasing out aircraft with Stage 2 engines by the year 2000. This legislation was enacted to address and mitigate the impact of aircraft noise on communities around airports, and Stage 2 aircraft are known to produce significantly higher noise levels compared to later stages, such as Stage 3.

By targeting Stage 2 engines, which represent older, noisier aircraft, the Act aims to promote the use of quieter aircraft technologies and improve the quality of life for residents near airports. This transition to Stage 3 engines, which are designed to meet stricter noise standards, reflects the overall objective to enhance airport capacity while minimizing noise disturbance, thus balancing the interests of aviation and community residents.

The other options do not align with the specific objectives of the Act: there is no provision aimed at eliminating helicopters, the focus was not on Stage 1 engines as they were phased out earlier, and while restrictiveness regarding noise levels does relate to the Act's goals, it specifically emphasizes transitioning away from Stage 2 engines.