Arunachal Pradesh CM Dorjee Khandu's chopper wreckage was found on Wednesday morning along with three bodies. Khandu went missing after his Pawan Hans helicopter, which departed from Tawang at 10:56am local time, failed to arrive in Itanagar at its scheduled 11:30am landing time on 30 April 2011.
Here's a look at other leaders, Indian and international, who have lost their lives in air accidents:
Andhra Pradesh chief minister Dr YS Rajasekhar Reddy's chopper fatally crashed in a dense forest when he was flying to a small village in Chitoor district of Andhra Pradesh on 3rd September 2009.
Meghalaya community development minister C Sangma died in a chopper crash in September 2004.
Haryana ministers OP Jindal, also a noted industrialist, and Surendra Singh were killed when the chopper carrying them went down in Uttar Pradesh on 31st March 2005.
Lok Sabha Speaker and Telugu Desam Party (TDP) leader GMC Balayogi lost his life in a chopper crash on 3rd March 2002 in Andhra Pradesh. Balayogi was also travelling in a Bell 206 helicopter similar to YS Rajasekhar Reddy.
In May 2001, the Arunachal Pradesh education minister Dera Natung and five others were killed when their Pawan Hans craft crashed near Tawang because of poor visibility.
Senior Congress leader and minister Madhavrao Scindia died in a plane crash on Sep 30, 2001 when he was going to address a public rally in Uttar Pradesh.
Punjab governor Surendra Nath and 12 others, including nine of his family, were killed when a state government plane crashed in a mountainous region of Himachal Pradesh, minutes after take off on July 9, 1994.
Sanjay Gandhi, the younger son of former Prime Minister Indira Gandhi, seen as her political heir, died when the stunt plane he was flying crashed soon after taking off from the Safdarjung airport in Delhi on June 23, 1980.
Minister of steel in the Indira Gandhi government, Mohan Kumaramangalam was killed in a plane crash in New Delhi on May 30, 1973.
Further back in history, the renowned freedom fighter and founder of Azad Hind Fauj, Subhash Chandra Bose, is believed to have died in a plane crash in Taiwan on August 18, 1945. His death has been a matter of dispute.
Polish President Lech Kaczynski was killed when Tupolev-154 crashed in foggy weather when approaching Smolensk airport in western Russia on 10 April 2010.
Sudanese vice-president John Garang was killed when his helicopter crashed in poor weather into a mountain range in southern Sudan on 30 July 2005.
Macedonian president Boris Trajkovski was killed when Beechcraft Super King Air 200 Z3-BAB crashed while attempting to land in poor weather at Mostar on 26 February, 2004.