Narrative:The aircraft climbed to 245 feet until it encountered an area of heavy rainfall. The speed dropped and the aircraft descended into the ground tail-first.
|Date:||Tuesday 16 June 1981|
|Type:||Hindustan Aeronautics Ltd. HAL-748-224 Srs. 2|
|C/n / msn:|| 514|
|First flight:|| 1968|
|Crew:||Fatalities: 0 / Occupants: 4|
|Passengers:||Fatalities: 0 / Occupants: 24|
|Total:||Fatalities: 0 / Occupants: 28 |
|Airplane damage:|| Written off|
|Airplane fate:|| Written off (damaged beyond repair)|
|Location:||near Tirupati Airport (TIR) (India)
|Phase:|| Initial climb (ICL)|
|Nature:||Domestic Scheduled Passenger|
|Departure airport:||Tirupati Airport (TIR/VOTP), India|
While descending, the flaps were retracted inadvertently.
PROBABLE CAUSE: "The aircraft encountered heavy rains and downdraft immediately after take-off, while passing through an active cumulonimbus cloud, and poor airmanship exhibited by the flight crew"
This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.