Helicopter Transfers and Point-to-Point Routes

A helicopter transfer in Nepal is a point-to-point flight between two landing sites, hiring the whole aircraft rather than a seat. It is a journey rather than a sightseeing circuit. Most transfers start or end at Kathmandu's Tribhuvan International Airport, 1,338 m. Every leg is flown under Visual Flight Rules by day, by a crew that must see the ground.

The subject divides four ways. The route most often asked about is Kathmandu to Lukla, at 2,845 m in the Khumbu. Beyond the aerodrome network is transport to places with no airfield at all. Under both sit the landing sites and helipads themselves, and the operator whose certificate the flight runs under. This page is what all four have in common: what a transfer is, where it can go, and what has to be true on the morning for it to happen.

It buys the departure point and the departure time. A scheduled domestic flight sets both, and in Nepal the one it sets for the Everest region is not always Kathmandu.

That is the part the comparison pages leave out. In the peak trekking seasons the fixed-wing Lukla flights are moved to Manthali airport in Ramechhap, and the road from Kathmandu to Manthali takes about four to five hours. Agencies selling the route advise leaving Kathmandu between 02:00 and 03:00 to make the first departures. Sources disagree on which months the arrangement covers: the airlines and the agencies selling the route do not give the same window, so it is worth confirming for your dates rather than assuming.

A helicopter in those months still lifts from Kathmandu. So what the transfer removes is not twenty minutes of flying; it is a night drive and an unlit mountain road. Operator listings put the Kathmandu to Lukla flight itself at around 35 to 45 minutes.

The second thing it buys is a landing site that no schedule serves. A trek exit from a village helipad is not a route anybody timetables, and a transfer is the only way to make it a flight rather than a walk.

What it does not buy is certainty. A scheduled flight that cancels puts you on the next one; a transfer that cancels gives you back the morning and nothing else.

Most of it is Kathmandu outbound. Tribhuvan International is where most of the country's helicopter fleet is based, which is why a transfer that begins anywhere else usually starts with an empty leg to fetch the aircraft.

Eastward, the destination is the Khumbu: Tenzing–Hillary Airport at Lukla, and the villages above it. Westward it is Pokhara, and from Pokhara the Kali Gandaki corridor to Jomsom and Mustang. Charter brokers list Pokhara, Jomsom and Simikot among the Nepali airfields they will quote, Simikot being the aerodrome for Humla in the far west.

The distinction that matters on the day is not east or west. It is whether what you are landing on is an aerodrome or not.

Because you buy one sector and the aircraft flies two. The empty return is subject to the same rules as the leg you are on.

Those rules are visual. Nepal's Aeronautical Information Publication, in the section covering its heliports, states that flight operations to them may be conducted only in accordance with Visual Flight Rules unless the Civil Aviation Authority of Nepal permits otherwise. There is no instrument approach to a hillside, and nothing on board substitutes for seeing the terrain.

Visual means daylight, and in the hills daylight is not the same as a working day. Reporting on a Khumbu search, Nepali Times described flying that was possible only from dawn until about 09:00, when the cloud moves in. That window has to hold your leg, the landing, and the aircraft's run home.

This is the rule worth carrying away: a transfer is refused on the forecast for the return, not the forecast for the outbound. It is why a first-light request is accepted more often than a mid-morning one, and why an operator asked for an afternoon departure to a high site will usually say no to something that looks, from the ground in Kathmandu, like a clear day.

The rule is enforced rather than nominal. The Himalayan Times and Onlinekhabar both reported the Civil Aviation Authority of Nepal grounding two companies' AS350 B3e helicopters for flying in adverse weather in the Lukla region, one of them in visibility of under 100 m. A pilot who declines your departure is working inside a system that suspends the ones who do not.

Payload. Fuel for the return leg is weight carried on the way out, so a transfer to a site with no fuel departs heavier than the same flight to an airfield that can refill it.

That compounds with the other thing working against you, which is elevation. The air thins, the rotor has less to work with, and the weight the aircraft can lift falls as the landing site rises. Both effects land on the same number, and it is not the number most people ask about: operators' listings for the types flown here give four or five passenger seats, and the seats do not change. The lift does.

So the question to put to an operator is the payload at the destination rather than the capacity of the cabin. A group of five that boards comfortably at Tribhuvan is not automatically a group of five at a helipad three thousand metres higher, and a transfer that has to tanker its own fuel home has less to give.

It also explains why a remote transfer is often quoted as a round trip even when you only want to go one way. The aircraft's plan has to close.

Two shapes are in use. One is a rate per hour of block time, measured engine start to engine stop; the other is a fixed price for a named sector, agreed before the day.

Which one you were offered decides who absorbs a delay. Under an hourly quote the extra minutes are yours, and most Nepali operators also set a daily minimum of roughly one to two hours of block time, so a short hop is billed at the minimum rather than at what it flew. Under a fixed sector price the total does not move and a long day is the operator's cost. Positioning sits on top of both: the empty legs flown to reach you and to get home are in your price whichever shape you take. How a quote is assembled from those parts is set out in full in helicopter charter and transfers in nepal.

One check before anything else, because the search results on this subject are a mess of incomparable numbers: ask whether a figure is per seat or for the whole aircraft. Operator pages quote the same flight both ways, and a per-seat price on a shared circuit has nothing to do with the cost of hiring a machine to take you somewhere.

The flight itself runs under an Air Operator Certificate issued by the Civil Aviation Authority of Nepal, and the contract is with the operator holding it rather than with whoever sold you the flight. Go Heli Nepal passes a request to certified operators and it becomes a booking when one accepts; the aircraft, the crew and the passenger liability cover are theirs.