| 41. | In general, an instrument approach is performed if the visibility is poor or if there are low clouds.
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| 42. | The airport has published instrument approaches.
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| 43. | In such cases, a pilot may execute multiple instrument approaches in a row, with missed approaches between them.
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| 44. | Each country maintains their own instrument approach procedures according to International Civil Aviation Organization ( ICAO ) standards.
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| 45. | There are no instrument approach procedures.
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| 46. | Both pilots had made more than 100 approaches into San Francisco Airport, many of which were instrument approaches.
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| 47. | Runway 36 has an ILS approach system, allowing for instrument approaches during times of fog and low ceilings.
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| 48. | They operate in all weather conditions and have instrument approaches available for use by pilots in bad weather.
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| 49. | Senior Air Force officials here said the inclement weather had forced the pilot to make an instrument approach.
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| 50. | The airport is operated by the Government of Ontario, and consists of a gravel runway with published instrument approaches.
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