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Airport Master Plan - City of Weslaco

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Instrument Approach Procedures<br />

Aircraft following instrument flight<br />

rules (IFR) are required to follow<br />

instructions from Valley Approach<br />

Control, operated out <strong>of</strong> Harlingen/<br />

Valley International <strong>Airport</strong>, approximately<br />

17 nautical miles northeast.<br />

Approach Control then handles the<br />

aircraft, giving instrument approach<br />

instructions. Details <strong>of</strong> the two<br />

published instrument approaches for<br />

<strong>Weslaco</strong> Mid Valley <strong>Airport</strong> are<br />

provided in Table 1E, Instrument<br />

Approach Data.<br />

TABLE 1E<br />

Instrument Approach Data<br />

<strong>Weslaco</strong> Mid Valley <strong>Airport</strong><br />

Weather Minimums<br />

Cloud Height (feet)/ Visibility<br />

(statute miles)<br />

VOR/DME - A Cat A/B Cat C Cat D<br />

Circling 600/1 600/1.5 NA<br />

(Minimums when using McAllen Miller Altimeter Setting below)<br />

Circling 600/1 600/1.5 NA<br />

GPS Runway 13 Approach Cat A/B Cat C Cat D<br />

Straight-In 400/1 NA<br />

Circling 600/1 600/1.5 NA<br />

(Minimums when using McAllen Miller Altimeter Setting below)<br />

Straight-In 400/1 400/1.25 NA<br />

Circling 600/1 600/1.5 NA<br />

United States Government Flight Information Publication, US Terminal Procedures: South Central,<br />

Vol. 3 <strong>of</strong> 4, April 20, 2000<br />

When the visibility and cloud ceilings<br />

deteriorate to a point where visual<br />

flight can no longer be conducted,<br />

aircraft must follow published<br />

instrument approach procedures to<br />

locate and land at the airport. The<br />

different minimum requirements for<br />

visibility and cloud ceilings are varied<br />

dependent on the approach speed <strong>of</strong> the<br />

aircraft. These are noted by Category<br />

type: A- 0-90 knots, B - 91-120 knots, C<br />

- 121-140 knots, or D - 141-165 knots.<br />

As mentioned there are currently two<br />

published instrument approaches to the<br />

<strong>Weslaco</strong> Mid Valley <strong>Airport</strong>: GPS<br />

Runway 13 and VOR/DME -A, a circling<br />

approach to either Runway 13 or 31.<br />

The GPS Runway 13 approach provides<br />

the airport with the lowest approach<br />

visibility minimums. Utilizing this<br />

approach, a properly equipped aircraft<br />

and pilot can land at the airport with<br />

400-foot cloud ceilings and one mile<br />

visibility for aircraft categories A, B,<br />

and C.<br />

1-17

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