India, Feb. 25 -- As the probe into the Jharkhand plane crash continues, officials have told HT that the ill-fated air ambulance did not have a black box. On Monday night, an air ambulance carrying seven people, crashed in Jharkhand's Chatra district, killing all on board.

People familiar with the matter told HT that the plane had no black box, which may become a problem for authorities as they try to piece together the cause of the crash.

According to officials, inclement weather and a thunderstorm are likely to have caused the crash. While the exact reason will only be ascertained after the DGCA and AAIB probes are completed, Air India and IndiGo flights have also reported adverse weather on the same routes.

The aircraft was on a med...