Questions and Answers Already Passed
How many airports are in the NPIAS and what three types are included? ✔✔3,380 airports; 1)
commercial service, 2) reliever, 3) select GA
What are the three defining characteristics of commercial service airports? ✔✔1) open to the
public 2) receive scheduled passenger service 3) 2,500 or more enplaned passenger per year
What type of airport has commercial service and over 10,000 annual enplanements? ✔✔Primary
airport
Primary airports are split into 4 categories, what are they and how are they defined? ✔✔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%)
How many enplanements characterize a non-primary commercial service airport? ✔✔between
2,500 and 10,000 enplanements per year
,What characterizes a reliever airport? ✔✔1) open to the public; 2) 100 or more based aircraft or
25,000 annual operations
General aviation airports can be included in the NPIAS under what circumstances? ✔✔If they
have at least 10 locally based aircraft and are at least 20 miles from a NPIAS airport
What plan provides guidelines for an airport's capital development over a 20-year timeframe?
✔✔Master Plan
What is the set of drawings that shows the airport's long-term development, updated in
accordance with grant assurance number 29? ✔✔Airport Layout Plans
Runway design standards are based on what three primary factors? ✔✔1) airplane design group
(wingspan); 2) aircraft approach category (approach speed); 3) approach visibility minimums
Taxiway and taxilane design standards are based on what primary factor? ✔✔airplane design
group (wingspan)
, How is airplane design group determined and categorized? ✔✔Based on the aircraft's wingspan
and tail height whichever is most restrictive; 6 categories, I thru VI, where I is the
smallest/shortest and VI is the largest/tallest
How is aircraft approach category determined and categorized? ✔✔Based on aircraft approach
speed; 5 categories, A thru E, where A is the slowest and E is the fastest
What are the 6 categories of airplane design group? ✔✔I (tail height <20', wingspan <49'); II
(tail height 20 - <30', wingspan 49 - <79'); III (tail height 30 - <45'), wingspan 79-<118'); IV (tail
height 45 - <60', wingspan 118 - <171'); V (tail height 60 - <66', wingspan 171 - <214'); VI (tail
height 66 - <80', wingspan 214 - <262')
What are the 5 aircraft approach categories and the criteria for each category? ✔✔A (<91 knots);
B (91 - <121 knots); C (121 - <141 knots); D (141 - <166 knots); E (>166 knots)
When is a cross-runway recommended? ✔✔When a runway orientation provides less than 95%
wind coverage for any aircraft forecasted to use the airport