Type 41 class patrol boat

{{Infobox ship image

|Ship image=Spiez-IMG 8698.JPG

|Ship caption=Spiez on display in the permanent exhibit of the Swiss Museum of Transport in Lucerne.

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{{Infobox ship class overview

|Name=Type 41

|Builders=Werner Risch AG, Zürich-Wolishofen

|Operators={{Navy|CH}}

|Class before=

|Class after=Type 80 class patrol boat

|Subclasses=

|Cost=

|Built range=

|In service range=1944-1983

|In commission range=

|Total ships building=

|Total ships planned=

|Total ships completed=9

|Total ships cancelled=

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{{Infobox ship characteristics

|Hide header=

|Header caption=

|Ship class=

|Ship type=Patrol boat

|Ship tonnage=7 tonnes

|Ship length={{convert|12|m|abbr=on}}

|Ship beam={{convert|3.3|m|abbr=on}}

|Ship draught={{convert|1|m|abbr=on}}

|Ship hold depth=

|Ship speed={{convert|41|km/h|kn|abbr=on}}

|Ship propulsion=Modified Hispano aircraft engine, V8 type HS 57

|Ship complement=7 men (commander, helmsman, engineer, two bow gunners and two stern gunners

|Ship armament=*Before 1962:

Type 41 anti-tank gun
Twin anti-air guns
After 1962:
20mm auto-cannon
MG 51 machine gun.

|Ship notes=

}}

The Type 41 Class was a type of patrol boats of the Military of Switzerland, commissioned during the Second World War to patrol the border lakes of Switzerland. The class comprised nine units, commissioned between 1941 and 1944 in three series: Thun and Brienz in December 1941, Sargans, Schwyz and Unterwalden in July 1943, and Spiez, Bönigen and Brunnen in April 1944; Furthermore, the prototype Uri was also commissioned.[http://www.pbooturi.ch/geschichte/ History], pbooturi.ch They remained in service until late 1983, when they were replaced by the more modern Type 80 (Aquarius class). In 1962, the units of the class were upgraded with an electric generator, radars and radios, and had their armament upgraded: the 24 mm Type 41 anti-tank rifle—not a personal weapon at {{convert|74|kg|lb|abbr=on}}{{cite web |url=http://www.sadefensejournal.com/wp/the-swiss-armys-first-mass-anti-tank-rifle-the-tankbuchse-tb-41-24mm/ |title=The Swiss Army's First Mass Anti-Tank Rifle The Tankbüchse (Tb) 41 24mm|website=Small Arms Defense Journal|date=17 September 2019 |author=Tom Murphy}}—at the bow was replaced by a 20mm autocannon, and the twin anti-air MG 38 machine guns at the stern were replaced by an MG 51 machine gun.

When not on active duty in the military, the units were operated by the border patrol of the Customs office.

Thun