Each person who intends to do any of the following shall notify the Administrator in the manner prescribed in § 157.5:
- (a) Construct or otherwise establish a new airport or activate an airport.
- (b) Construct, realign, alter, or activate any runway or other aircraft landing or takeoff area of an airport.
- (c) Deactivate, discontinue using, or abandon an airport or any landing or takeoff area of an airport for a period of one year or more.
- (d) Construct, realign, alter, activate, deactivate, abandon, or discontinue using a taxiway associated with a landing or takeoff area on a public-use airport.
- (e) Change the status of an airport from private use to public use or from public use to another status.
- (f) Change any traffic pattern or traffic pattern altitude or direction.
- (g) Change status from IFR to VFR or VFR to IFR.