1. How many airports are in the NPIAS and what three types are included
ANS -
3,380 airports; 1) commercial service, 2) reliever, 3) select GA
2. What are the three defining characteristics of commercial service air-
ports ANS 1) open to the public 2) receive scheduled passenger
service 3) 2,500 or more enplaned passenger per year
3. What type of airport has commercial service and over 10,000
annual enplanements ANS Primary airport
4. Primary airports are split into 4 categories, what are they and how are
they defined ANS Large Hub (>1% of all US annual enplanements);
Medium Hub (0.25% to 1%); Small Hub (0.05-0.25%); Non-Hub (10,000
to 0.05%)
5. How many enplanements characterize a non-primary commercial
service airport ANS between 2,500 and 10,000 enplanements per year
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, 6. What characterizes a reliever airport ANS 1) open to the public; 2) 100
or more based aircraft or 25,000 annual operations
7. General aviation airports can be included in the NPIAS under what
circum- stances ANS If they have at least 10 locally based aircraft and
are at least 20 miles from a NPIAS airport
8. What plan provides guidelines for an airport's capital development over
a 20-year timeframe ANS Master Plan
9. What is the set of drawings that shows the airport's long-term devel-
opment, updated in accordance with grant assurance number 29 ANS
Airport Layout Pl ANS
10.Runway design standards are based on what three primary factors ANS
1) airplane design group (wingspan); 2) aircraft approach category
(approach speed);
3) approach visibility minimums
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