The 891st Helicopter Reconnaissance and Liaison Squadron (Serbo-Croatian: 891. helikopterska eskadrila za izviđanje i vezu / 891. хеликоптерска ескадрила за извиђање и везу) was an aviation squadron of the Yugoslav Air Force formed in 1952 at Skoplje airfield as Liaison Squadron of 3rd Military district (Serbo-Croatian: Eskadrila za vezu 3. vojne oblasti / Ескадрила за везу 3. војне области).

The squadron was formed by order from December 17, 1951, on February 1, 1952, as part of the 3rd Military district.

The squadron was part of the 107th Support Aviation Regiment from 1965 until it was disbanded by order as of June 8.

By order from January 9, 1980, the 891st Helicopter Flight (Serbo-Croatian: 891. helikoptersko odeljenje / 891. хеликоптерско одељење) was established at Skopski Petrovac military airfield with the 3rd Army of the Yugoslav People's Army for reconnaissance and liaison duties equipped with domestic-made SOKO SA 341 Gazelle helicopters.

The 891st Helicopter Reconnaissance and Liaison Squadron was disbanded in 1992 after the withdrawal of the Yugoslav People's Army from Republic of Macedonia.