Queenstown is the most spectacular place in New Zealand to fly into, a Boeing 787 takes off at between 260km and 300km an hour, and you need to return to your assigned seat before landing so the planes centre of gravity isnt out of whack.

So said Air New Zealand chief pilot, Captain David Morgan, in a question and answer session with members of the public on the airlines Facebook page this week.

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Morgan said flying into Queenstown Airport on a nice day is spectacular.

Asked which route is his favourite, Morgan said that was a tough one as hes flown the airlines entire network since he started with it in 1985.

Still, he conceded: The most spectacular flight Id say is flying into Queenstown on a beautiful day.

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Several people asked which New Zealand airport was the most difficult to fly into, but Morgan refused to be drawn, saying all airports can be challenging in bad weather.

However, he acknowledged that some have a unique set of challenges, such as windy Wellington and Queenstown when there are crosswinds.

Air New Zealand flight attendant Nicole Astle chipped in, saying her roughest-ever landing was in Dunedin followed by Queenstown and Wellington respectively.

Ross Giblin/Stuff

Morgan said windy Wellington presents a unique set of challenges for pilots.

To the question of why passengers are distributed to balance smaller planes, Morgan said aircraft are loaded so the pivot point (the central point at which the plane balances or turns) falls within its centre of gravity range.

That pivot point moves during the course of the flight. Because we calculate this before we depart, we ask passengers to return to their original seat prior to landing so that the centre of gravity is where it should be.

Morgan also explained that the window blinds need to be up for landing so cabin crew can see out the window if there is an emergency.

If youre travelling on an Airbus A320, look out for a small back triangle on the sidewall. It marks the spot crew stand to look outside if necessary.

ROBERT KITCHIN/Stuff

Morgan said Queenstowns crosswinds can make it tricky to fly into.

Air New Zealand flight attendant Paige Valentine added that open window blinds also enable crew to see if there is fire or smoke outside in the event of an emergency evacuation.

Fire = dont open that emergency exit!

Morgan handled a lot of questions about turbulence, with many asking whether it posed a real danger.

His standard answer was No. The atmosphere is energetic, so its always moving. Its the moving of air layers that cause turbulence. Our aircraft are designed to fly through it and our pilots use our flight simulator to practice flying through turbulence.

A self-described terrible flyer asked whether it was true that pilots decide to cancel flights in bad weather because of the discomfort it would cause passengers rather than the planes capabilities.

Morgan gave his standard turbulence response, but Kiwi pilot Matt Wilcock said it was not.

(W)e cancel for unsuitable weather conditions normally at the destination airport or if any alternate airports are also unsuitable. Passenger comfort isnt a consideration as everyones comfort levels are different.

One person wanted to know how pilots remember which button does what in the cockpit when there are so many, asking whether they ever forget and press a button at random to see what happens.

Morgan said pilots use only about 10 per cent of the buttons on a Boeing 787 in-flight.

Most switches concern aircraft systems, which are used at the start and end of flights, he said.

During the flight, most switches are associated with the flight management computer and the autopilot of the aircraft I fly.

Spirit Airlines pilot Chris Reopelle said its a myth that planes can practically fly themselves on autopilot.

We utilise the autopilot to manage workload when things get busy. Its more a tool to help us manage an incredibly complex and diverse environment.

Morgan said the best seat on a plane is the captains, but passengers after a smoother ride should select a seat somewhere near the centre of gravity, which is typically over the wing.

Asked whether it was strange not being able to see out the windscreen when flying through cloud, Morgan admitted it was at first.

Ricky Wilson/Stuff

Air New Zealand has apologised for the way the situation was handled.

It was quite unusual actually because when you learn to fly, you learn by flying with reference to the ground.

However, he said pilots are trained to be able to fly using their instruments alone. When a plane flies through cloud, their eyes are solely on their instruments.

To the question of why a plane can feel like it is losing power after take off, Morgan said levelling off at low altitude can give the illusion that the aircraft is descending.

I tend to raise this in my pre-departure PA to ease any concerns.

As for whether planes can speed up if a flight is delayed to make up the time, Morgan said they can to a degree.

Matty McLean/Twitter

Cookies will continue to be offered on domestic flights.

However, its the same as a car if you speed up, you burn more fuel more quickly. We very rarely do this.

A couple of people enquired about pilots stamina on long-haul flights, asking whether they flew the whole journey or put the plane on autopilot for some of it.

Morgan explained that there are four pilots on long-haul flights who work in pairs.

We rotate regularly and take breaks, he said.

Many questions went unanswered. Among them: Do you ever get bored on a long-haul flight?, Do you avoid the fish?, and How is it that plane manufacturers can make a plane fly yet they cant make the announcements from the cockpit clear and legible a matter of metres back?

With the post generating more than 520 comments, you cant really blame him though. And, to be fair, he did take the time to answer arguably the most burning question of all: Whether the cookie or the chips are the best in-flight snack.

Morgan declared himself a cookie man, but said hes looking forward to the alternatives being trialled.

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The best New Zealand airport to fly into, according to Air New Zealand's chief pilot - Stuff.co.nz