1. https://codes.nws.noaa.gov
  2. NWSI-10-811
  3. HazardTypes
  4. _IFR
stable

Entry: Instrument Flight Rules

URI: https://codes.nws.noaa.gov/NWSI-10-811/HazardTypes/IFR

Cloud ceilings less than 1000 feet AGL and/or horizontal visibility less than 3 statute miles

Core metadata

is a Concept
changed on 15 Apr 2025 13:38:04.978
submitted bynws code registry administrator
accepted on 7 May 2020 20:14:53.828

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date accepted 7 May 2020 20:14:53.828
date submitted 7 May 2020 20:08:03.743
definition
entity Instrument Flight Rules
source graph graph

description Cloud ceilings less than 1000 feet AGL and/or horizontal visibility less than 3 statute miles
item class Concept
label Instrument Flight Rules
modified 15 Apr 2025 13:38:04.978
notation IFR
register hazard types
status status stable
submitter
account name admin
name nws code registry administrator

type register item
version info 3
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Definition

description Cloud ceilings less than 1000 feet AGL and/or horizontal visibility less than 3 statute miles
label Instrument Flight Rules
notation IFR
type Concept
valid 2002-12-04/-