<p>An Mi-17 medium-lift transport helicopter of the Indian Air Force made an emergency landing near Mukutang in Sikkim on Thursday due to bad weather, officials said.</p>.<p>All four aircrew of the IAF and two Indian Army personnel on board the chopper are reported to be safe, they said.</p>.<p>The helicopter was on a routine air maintenance sortie from Chaten to Mukutang and it sustained damage in the incident, the officials said.</p>.<p>"An investigation has been ordered to ascertain the cause of the accident," an IAF spokesperson said.</p>
<p>An Mi-17 medium-lift transport helicopter of the Indian Air Force made an emergency landing near Mukutang in Sikkim on Thursday due to bad weather, officials said.</p>.<p>All four aircrew of the IAF and two Indian Army personnel on board the chopper are reported to be safe, they said.</p>.<p>The helicopter was on a routine air maintenance sortie from Chaten to Mukutang and it sustained damage in the incident, the officials said.</p>.<p>"An investigation has been ordered to ascertain the cause of the accident," an IAF spokesperson said.</p>