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Recent Regulations and Guidelines

View all Airworthiness Directives

NextGen: See, Navigate & Communicate

Look Up N-Numbers

N-number format

An N-number can be in any of these formats

  • One to five digits (N12345)
  • One to four digits followed by one letter (N1234Z)
  • One to three digits followed by two letters (N123AZ)

N-numbers do not have

  • A zero (0) as the first number
  • The letters "I" or "O"

Drones/​Unmanned Aircraft Systems (UAS)

Check Airport Status and Delays

Browse Delays

  • EWR

    WEATHER / LOW CEILINGS

    Average delay 54 minutes

  • LGA

    WEATHER / LOW CEILINGS

    Average delay 27 minutes

  • SFO

    WEATHER / WIND

    Average delay 2 hours and 5 minutes

Browse Delays

No Airport Closures at this time.

Browse Delays

No Ground Stoppages at this time.

Browse Delays

  • LGA

    WX:​Low Ceilings

    31 minutes — 45 minutes

  • SEA

    WX:​Low Ceilings

    16 minutes — 30 minutes

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