Instrument meteorological conditions

Instrument Meteorological Conditions
Instrument Meteorological Conditions are more commonly referred to in the aviation world as 'IMC.

INSTRUMENT METEOROLOGICAL CONDITIONS see IFR CONDITIONS.
INSTRUMENT OPERATION - An aircraft operation in accordance with an IFR flight plan or an operation where IFR separation between aircraft is provided by a terminal control facility or ...

Instrument meteorological conditions (IMC). Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling less than the minimums specified for visual meteorological conditions, ...

Instrument Meteorological Conditions (IMC)
Weather conditions bad enough that the pilot is controlling the aircraft only by reference to instruments. Basically a pilot in IMC is in a cloud, although there are other places where IMC can prevail.

Instrument meteorological conditions (IMC)indicates that visibility, distance from cloud and ceiling are below minima and flight can be conducted only under instrument flight rules (IFR).

INSTRUMENT METEOROLOGICAL CONDITIONS (IMC). Weather worse than 1500 feet ceiling or 3 NM visibility. IMC requires use of IFR.

IMC: Instrument Meteorological Conditions (flight in cloud etc).
IMC Rating: Instrument Met. Conditions rating (peculiar to UK and invalid elsewhere).
IR: Instrument Rating ...

(See INSTRUMENT METEOROLOGICAL CONDITIONS.)
(See VISUAL METEOROLOGICAL CONDITIONS.)
VISUAL HOLDING- The holding of aircraft at selected, prominent geographical fixes which can be easily recognized from the air.

IMC (Instrument Meteorological Conditions) Weather conditions that preclude visual flight. Clouds, fog, heavy precipitation, smoke, and volcanic ash can all produce IMC.

IMC - instrument meteorological conditions: weather below VMC minima, see below. Also associated rating used in conjunction with UK PPL.
INCERFA - uncertainty phase of search-and-rescue procedure.

Instrument Flight Rules (IFR) - Regulations that govern flight in instrument meteorological conditions or when the lack of visibility prevents flying by ground reference so the pilot must aviate and navigate solely by referencing the aircraft ...

Instrument approaches are generally designed such that a pilot of an aircraft in instrument meteorological conditions (IMC), by the means of radio, GPS or INS navigation with no assistance from air traffic control, can navigate to the airport, ...

Winters in northeast Ohio are not exactly conducive to training, but I did end up with about 15 hours flying in actual instrument meteorological conditions (IMC), which sure beats wearing foggles! ...

Certainly if you are in instrument meteorological conditions you should tell the ATC of your predicament even before you Navigate, (1) so they can vector you to a landing field and (2) so they can clear out the airspace below you.

A set of rules governing the conduct of flight under instrument meteorological conditions.
ILS
Instrument Landing System. A ground based precision approach system that provides course and vertical guidance to landing aircraft.

Pilot-error accidents in the PA-28 follow a lamentable and preventable pattern: visual flight rules (VFR) and instrument flight rules-rated (IFR) pilots flying VFR into instrument meteorological conditions (IMC); ...

ICAO - International Civil Aviation Organization
IFR - Instrument Flight Rules
IMC - Instrument Meteorological Conditions
ILS - Instrument Landing System, comprised of Glideslope and Localizer
INS - Inertial Navigation System ...

I'm on an IFR flight plan and part of it in true IMC (instrument meteorological conditions). I break out at 4,000 feet in VMC (visual meteorological conditions) flew the ILS approach in VMC conditions.

IFR: Instrument Flight Rules prescribed for the operation of aircraft in instrument meteorological conditions.
ILS: Instrument Landing System. Consists of the localizer, the glideslope and marker radio beacons (Outer, Middle, Inner).

Procedures for Air Navigation Services - Operations A set of rules for designing instrument arrival and departure procedures that can be used to navigate in instrument meteorological conditions.
PBN ...

Terminal System (on-line weather briefings) FAQ Frequently Asked Questions (this posting) FS Flight Simulator, usually Microsoft's IA Inspection Authorization - added to an A&P, allows sign-off of annuals IMC Instrument Meteorological Conditions ...

See also: Flight, Altitude, Aviation, Pilot, Navigation