81 KRH 71 Y

81 KRH 71 Y (81 mm kranaatinheitin malli 1971 ympäriampuva, '81 mm mortar model 1971, 360-degree traverse') is a light mortar manufactured by Tampella for use by the Finnish Army.^{[1]: 192–193} It is usually used to support the infantry by indirect fire, but it can also be used for direct fire. Each Finnish infantry company has a platoon of 81 mm mortars. The mortar platoon consists of three seven-man mortar squads, each squad manning a single 81 mm mortar. Jaeger Company M2005 has a fire support squad, which consists of two five-man mortar teams, both equipped with an 81 mm mortar. It can fire HE-fragmentation, smoke, illumination and practice rounds.

81 KRH 71 Y
Type	Mortar
Place of origin	Finland
Service history
Used by	Finland
Production history
Designer	Tampella
Manufacturer	Tampella (81 KRH 71) Vammas (81 KRH 96)
No. built	550 (81 KRH 96)
Variants	81 KRH 71 Y 81 KRH 71 RT 81 KRH 96
Specifications
Mass	56 kg (123 lb)
Barrel length	1.2 m (3 ft 11 in)
Crew	1+6
Caliber	81 mm (3.2 in)
Rate of fire	up to 20 rpm sustained
Effective firing range	HE: 100 - 5,800 m (109 - 6,342 yds)
Maximum firing range	6,300 m (6,900 yd)
Feed system	manual
Sights	Vammas KRH SNT 94 collimator sight

Tampella also manufactured a static installed 81 KRH 71 RT (81 mm kranaatinheitin malli 1971 rannikkotykistö, '81 mm mortar model 1971, coastal artillery') for use in the Finnish coastal artillery fortresses.^[1]: 192

A newer version of the 81 KRH 71 Y with an improved baseplate made by Vammas is called the 81 KRH 96 (81 mm kranaatinheitin malli 1996, '81 mm mortar model 1996'). The baseplate is designed by scaling down the baseplate of the 120 KRH 92.^[1]: 193