//global var
var resultCursor;
...

Template.device.events({
    click .btn-search": function (event) {
    event.preventDefault();

    [...]

    resultsCURSOR = myCollection.find(query, queryOptions);
})

Template.device.helpers({
    searchResults: function() {
    return resultCursor;
    }
})

{{#each flightSearchResults}}
    <div class="flight-list">
        <p>Pilot: {{this.pilot}}</p>
        <p>Time: {{this.date}}</p>
    </div>
{{/each}}