Flight Information
On May 27, 2017, the crew of a Mil Mi-8T helicopter, registration RA-24682, operated by Dalnerechensk Avia LLC, conducted a commercial flight for passenger transport. The route was from Okhotnichiy landing site to Dalnerechensk landing site, then to Matveevsky landing site in Primorsky Krai.
Crew and Passengers
The on-board crew consisted of the aircraft commander, a co-pilot, and a flight engineer. Nine passengers were also on board.
Load and Fuel
Baggage weighed a total of 260 kg. Fuel on board was 2500 liters (2000 kg). The calculated takeoff weight of the helicopter was 10,962 kg, which did not exceed the maximum allowable. The center of gravity at takeoff was +126 mm.
Weight and Balance Limitations
According to Chapter 2 "Limitations" of the Mi-8 Flight Manual (RLÉ), paragraph 2.5.1:
- Maximum takeoff (landing) weight in transport and passenger configuration: 12,000 kg.
- Permissible center of gravity limits: forward +370 mm, aft -80 mm.
The takeoff weight and CG were within these limits.
Airspace and Notification
The flight was conducted in class G airspace. A notification of airspace usage was submitted on May 27, 2017, to the zonal center of the State Air Traffic Management Corporation.
Crew Preparation
Preliminary crew preparation for flights in this area was conducted on May 23, 2017, under the supervision of the Deputy Head of Flight Operations (ZGD po OLR) of Dalnerechensk Avia. Pre-flight preparation was conducted under the supervision of the aircraft commander at the Okhotnichiy landing site.
Aircraft Condition
Before departure, the helicopter was in a serviceable condition. The airframe, engine, components, and units had sufficient service life to perform the flight. No failures or malfunctions were identified during the last operational maintenance.
Weather Briefing
Before departure, the aircraft commander was briefed on the forecast and actual weather at Dalnerechensk aerodrome, as well as the zonal GAMET forecast for the Artem FIR along the route areas and zones.
Regulatory Context
In accordance with paragraph 8.10.1 of Federal Aviation Rules-128 (FAP-128), due to the flight being performed from a landing site where no medical… (source text incomplete).