You are flying Inbound to the Oceanside VOR on the 070 ° radial for the VOR-A OCN. Determine the correct hold entry:

Question

You are flying Inbound to the Oceanside VOR on the 070 ° radial for the VOR-A OCN.  Determine the correct hold entry:

BlackTom AI · Accepted Answer

The question asks us to determine the correct hold entry for an inbound leg to the Oceanside VOR on the 070° radial for the VOR-A (OCN). The key is to recall the standard VOR hold entry procedures and then apply them to the scenario described.

First, restating the scenario: you are inbound to the VOR (OCN) along the 070° radial. That means your inbound course to the VOR is 250° (since you’re going toward the VOR along the 070° radial, you would be on a 250° course to the VOR). To determine the appropriate entry, you assess the relation between your inbound course (toward the VOR) and the hold course itself.

Option analysis:
- Teardrop entry: This method is used when your inbound course to the fix places you on the operational side of the hold where a direct teardrop course reversal is advantageous. In practice, if your heading and position relative to the hold fix place you within the typical 0–90° or 180–270° zones from the outbound course, a teardrop may be the correct reversal path. The teardrop entry often results in a short leg that allows you to reverse course smoothly and established on the hold side.
- Parallel entry: This method is selected when you are coming from a position where you can continue on the inbound course for one minute (or a standard leg) before turning to the outbound course, creating a parallel track to the hold pattern. It’s commonly used when your initial position is somewhat aligned with the outbound leg, allowing a simple, parallel path to join the hold after a short leg.

In this question, the only provided choice is that the correct hold entry is either teardrop or parallel. This aligns with the standard practice that, for a VOR hold, the primary entry methods are teardrop, parallel, or direct (the latter depending on your exact position relative to the hold entry sector). Since no other explicit options are given to contrast against, the statement that the correct hold entry could be teardrop or parallel is consistent with established procedure: depending on your exact position when established on the inbound course, either teardrop or parallel entry could be correct.

Why other non-listed options would typically be wrong (in a broader sense):
- Direct entry: This is used when your position places you directly on the inbound course within the appropriate sector, allowing an immediate turn to the outbound course without an additional reversal. If your position is not in that sector, a direct entry would be incorrect.
- 45-degree entry or other nonstandard entries: The standard holds procedures do not usually call for a 45-degree entry unless specifically required by a local procedure or depicted in the approach plate. Without such depiction, those would be considered nonstandard or unlikely for a straightforward VOR hold.

However, since the prompt provides only the option that the hold entry is teardrop or parallel, the main takeaway is: when inbound to a VOR on a given radial, your hold entry could indeed be teardrop or parallel depending on where you are at the time you intercept the hold to begin the entry. The chart diagram supports standard VOR hold behavior, so selecting teardrop or parallel is consistent with authorized entry methods for a VOR hold.

You are flying Inbound to the Oceanside VOR on the 070 ° radial for the VOR-A OCN. Determine the correct hold entry:单项选择题

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