!FDC 6/7198 CKZ IAP PENNRIDGE, PERKASIE, PA. RNAV (GPS) RWY 26, ORIG-B... DISREGARD NOTE: PROCEDURE NA AT NIGHT. CHANGE HELICOPTER VISIBILITY REDUCTION NOTE TO READ: RWY 26 HELICOPTER VISIBILITY REDUCTION BELOW 3/4 SM NA.. 1609061218-1704181218EST

!FDC 6/7197 CKZ IAP PENNRIDGE, PERKASIE, PA. RNAV (GPS) RWY 8, AMDT 1B... !FDC 6/7198 CKZ IAP PENNRIDGE, PERKASIE, PA. RNAV (GPS) RWY 26, ORIG-B... DISREGARD NOTE: PROCEDURE NA AT NIGHT. CHANGE HELICOPTER VISIBILITY REDUCTION NOTE TO READ: RWY 26 HELICOPTER VISIBILITY REDUCTION BELOW 3/4 SM NA.. 1609061218-1704181218EST

NOTAMs, or Notices to Airmen, are provided by the Federal Aviation Administration, and are notices to alert aircraft pilots of potential hazards. These hazards could include but are not limited to:

• Air shows, kite flying, parachute jumps, etc.
• Closed runways
• Flights by dignitaries such as heads of state
• Inoperable lights on tall obstructions or temporary tall obstructions
• Inoperable navigational aids
• Flocks of birds
• Military exercises with airspace restrictions
• Software code risk announcements