The plane was attempting to land at Iswahyudi Air Force Base .
The plane instead crashed about 5.5 kilometres ( 3.4 mi ) northwest of the north end of the runway , bursting into flames upon impact .
The plane was attempting to land at Iswahyudi Air Force Base , but instead crashed about 5.5 kilometres ( 3.4 mi ) northwest of the north end of the runway , bursting into flames upon impact .