HAL HAOP-27 Krishak Observation & Reconnaissance Aircraft,Indian Armed Forces
The HAL HAOP-27 Krishak was a military observation aircraft produced in India in the 1960s. It was initially developed by Hindustan Aeronautics as an enlarged, four-seat version of the HAL Pushpak light aircraft.
It tooks its first flight on November 1959 and total 70 number of aircrafts were built.
It used as a primary observation and reconnaissance aircraft in Indian Army.There are two variants of HAL Krishak ;HAL Krishak and HAL Krishak Mk. 2
Two prototypes were built, with the first flying in November 1959 and the second in November 1960.Later on the project was shelved as there is no demand from buyers.Then in Early 1960s Indian Army issued a requirement for an aircraft to replace the older Observation aircrafts and put this aircraft in observation and reconnaissance roles.
The original Krishak design was slightly revised to meet the new specification, and the type was adopted into service in 1965. The Krishak was phased out in the mid-1970s when it was replaced by the HAL Cheetah.
Design and Features
The aircraft has a length of 8.41 m wingspan of 11.43 m with height of 2.36 m.It has crew capacity of one pilot with 2 passengers.The gross weight of aircraft is 1270 kg (2800 lb).
HAL Krishak Mk.2 was powered by 1 x Continental O-470-J engine capable of producing 168 kW (225 hp) of power.The maximum speed of aircraft is 209 km/h with the operational range of 273 km.The service ceiling and rate of climb is 5940 m and 4.6m/s respectively.