The Saanen Airport ( ICAO code LSGK ) is an airfield in Saanen in the Swiss canton of Bern .
The airfield was built as a Reduit airfield during World War II and was used as a military airfield until the 1980s . The airfield has been owned by a civil cooperative since 2011.
An underground, formerly military facility at the airfield is one of the two locations of the highly secure Swiss Fort Knox data center . 

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The required libraries are all the Asobo standard airports (particularly EDLP Paderborn Lippstadt), plus:

UK2000 Common Scenery  =  In the Free section of the MSFS Market Place

Object library v2 by Colinj = https://flightsim.to/file/16007/msfs-object-library-with-150-models-ranging-from-towers-hangers-terminals-to-cones

EGDR by Superspud  =  https://flightsim.to/file/26191/egdr-rnas-culdrose-upgrade

EGSU by ChicoMick = https://flightsim.to/file/28581/egsu-duxford-airfield-complete-edition

Asset Pack by Mikea.at = https://flightsim.to/file/1923/mikea-at-assetpack

In the leadup to WWII it was discovered that the military airfields located in the Swiss Central Plateau region were not adequately defended, therefore they had to be replaced by airfields in the Redoubt zone. 

In October 1939, the preparations for this new military airfield were finalised and Saanen could be covered. However, the airfield consisted of just a large reed bed which had to be rolled level and gradually drained. But with the introduction of heavier aircraft, the rolled grass runway was no longer good enough. So at the beginning of 1942, construction of the hard-surfaced runway measuring 900 x 40 metres then started. At the same time, the taxiing areas were hardened and drained, access roads and bridges were built and any obstacles to safe takes-off and landings removed. The new runway was became operational at the end of 1942.

After the active war years, the Cold War then dominated and the military occupation of Saanen was increased even further. The airfield was still subject to military secrecy until the late 1980s. The first time approval was given for use by civil aviation was in 1946. This meant the ban for domestic pilots of powered aircraft and gliders was therefore lifted. Those responsible for tourism in Saanen did not wait long. Once the ban was lifted it only took a year before a flight demonstration was announced for the local residents by the Hoteliers’ Association together with the Gstaad Tourist Office.