( CNN ) -- In a show of adoration , a small group of Jenni Rivera 's fans waited outside Long Beach Airport , as the plane carrying the music star 's remains landed late Thursday . They greeted members of her family with applause and condolences as they exited the airport . Another group of fans gathered at an impromptu altar in front of Rivera 's mother 's home in Lakewood . A hearse ferried Rivera 's body through dark streets , escorted by at least three police cruisers , to All Souls Mortuary , according to CNN affiliate KCAL . The singer was killed Sunday when the plane she was aboard plummeted from 28,000 feet , Mexico 's transportation secretary said . The private jet crashed in a mountainous area 9,000 feet above sea level . The remains of Rivera 's publicist and the plane 's co-pilot have also been identified , said Jorge Domene , a spokesman for Mexico 's Nuevo Leon state . The cause of the crash is under investigation . Two lawsuits against the company that owns the jet accuse the firm of lying about its links to a businessman convicted of falsifying maintenance records . Rivera had left a letter for her loved ones and gave instructions to her sister Rosie regarding the circumstances under which it should be read , her brother Pedro Jr. told CNN en EspaÃ±ol on Wednesday . He said the letter stipulated that she did not want to be cremated , as the family had originally planned to do , and that the authorities should hand over her remains to her siblings . `` Jenni always had advisers who helped her to work and to make things right , '' he said . `` She prepared a letter about a month , month and a half ago . '' He added that funeral plans had not been finalized but that a memorial would probably be held in Mexico . The accident report will not be ready for nine months to a year , the secretary of communications and transportation said . Rivera , 43 , is mourned by millions of fans . She and six others were thought to be aboard the plane , which lost contact with air traffic controllers soon after takeoff . Known as `` La Diva de la Banda '' or the Diva of Banda Music , Rivera was a musical powerhouse with her Spanish-language performances of regional Mexican corridos , or ballads . For fans , the nickname captured her powerful voice and personal strength . In recent years , she had been working to break into the English-language U.S. market and was reportedly on the verge of a crossover with a sitcom inspired by the success of `` I Love Jenni , '' a Spanish-language reality TV show on Telemundo 's mun2 network . Rivera sold 15 million records , according to Billboard , and had recently won two Billboard Music Awards , including favorite Mexican music female artist . In October , People en EspaÃ±ol added her to its list of the 25 most powerful women . CNN 's Nelson Quinones contributed to this report .
NEW : Rivera 's remains were repatriated to the United States . Comment: A memorial will likely be held in Mexico , but plans are not yet final . Rivera 's letter says she does not want to be cremated .