marginal weather


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marginal weather

Weather that is sufficiently adverse to a military operation so as to require the imposition of procedural limitations. See also adverse weather.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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As it says in AIM 5-4-20.f., "Circling may require maneuvers at low altitude, at low airspeed, and in marginal weather conditions.
General and business aviation aircraft equipped with Enhanced Low Visibility Operations (ELVO), such as Synthetic Vision System (SVS), Combined Vision System (CVS) and Head Up Display (HUD), will also be able to operate to these airports in marginal weather. In the United States, under the NextGen programme, a lot of progress has been made on this count.
Primary Function: Personnel recovery in hostile conditions and military operations other than war in day, night or marginal weather
We routinely observe private carriers shooting approaches well below minimum visibility, departing for a destination with very marginal weather or visibility, compromising on technical issues, flying without weather radar, forbidding pilots to give entry in the engineering log, especially at outstations as grounding would cost money!
"If he continued, the poor visibility and low cloud forecast for Valley and Dublin would have meant a low level crossing of the Irish Sea in marginal weather conditions.
However, marginal weather in parts of Assam and neighbouring Arunachal Pradesh, where the plane went missing, is hampering and impeding the operations.
While this guidance was effective, it didn't account for the FRS specific challenges like flying with zero hour students, cumulative and chronic fatigue, remediation sorties, legal but marginal weather, quality of training, and a total of 38 additional factors.
Delivery companies told us that they do not want their pilots to be under pressure to go in marginal weather so if they quote a flat rate for the delivery the price includes an allowance for a short weather delay (to protect themselves).
The lack of information about the impact of weather on the drone's capability in the panel's view encouraged crews to fly in marginal weather conditions that could be a hazard to the vehicle.
"Marginal weather conditions still allow the use of deep tow equipment provided conditions are such that the equipment can be safely deployed and recovered, however, the autonomous underwater vehicle (AUV) which is used to survey some of the most difficult portions of the search area such as the underwater canyon areas that cannot be searched effectively using the deep tow sonar, can only be launched in the calmer conditions of spring and summer," ATSB said, in the (http://jacc.gov.au/families/operational_reports/opsearch-update-20160706.aspx) statement.
On the morning ofMay 12th 1938, three B-17s departed Mitchel Field, New York under marginal weather conditions and located the Rex in the open ocean Rex 620 miles off the coast helped demonstrate the long range aspects of airpower and using airpower for defense.