Russia

Site:

Yessentuki Air Sport Club

Schedule:

Tula - Shakhty

MSN:

1G192-18

YOM:

1981

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Circumstances:

After takeoff from Tula Airport, while climbing, the crew noticed that the engine oil temperature increased while the engine pressure dropped. In such conditions, the captain decided to return to Tula Airport for an emergency landing and completed a turn when the engine failed. The aircraft lost speed and height then struck power cables and crashed. The captain and three passengers were killed while three other occupants were injured. The aircraft was destroyed.

Probable cause:

The following factors were identified:
- Engine failure as a result of the destruction of the bushing of the crankshaft of the main connecting rod due to a manufacturing defect in the absence of adhesion of bronze to the steel base of the bushing on a sufficiently large section,
- An unused chip-in-oil signaling system, due to the fact that the engine was not equipped with a chip signaling filter during repair, which deprived the crew of information about the beginning of the collapse of the sleeve and did not allow a timely decision to return to the departure point;
- Difficult terrain with the presence of various obstacles.

Crash of a PZL-Mielec AN-2T in Yelizavetinskoye

Date & Time: Jun 16, 1997

Type of aircraft:

PZL-Mielec AN-2

Operator:

Registration:

RA-02829

Flight Phase:

Flight

Flight Type:

Skydiving / Paratroopers

Site:

Plain, Valley

MSN:

1G73-07

YOM:

1966

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Aircraft flight hours:

5131

Aircraft flight cycles:

14126

Circumstances:

Crashed in unknown circumstances. Occupant's fate unknown.

Crash of an Antonov AN-2 in Novoshcherbinovskaya

Date & Time: Jun 5, 1997

Type of aircraft:

Antonov AN-2

Operator:

Yeiskaero

Registration:

RA-02555

Flight Phase:

Takeoff (climb)

Flight Type:

Spraying (Agricultural)

Survivors:

Site:

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Circumstances:

The crew was completing a crop spraying mission on behalf of the the collective farm 'Dimitrova' in Novoshcherbinovskaya. After takeoff, while climbing to a height of 10 metres, the engine lost power. The captain attempted to make an emergency landing when the aircraft struck the ground, nosed over and came to rest upside down, bursting into flames. Both occupants were slightly injured and the aircraft was destroyed.

Probable cause:

Loss of engine power after takeoff for unknown reasons.

Crash of an Antonov AN-12B in Verkhnevilyuisk

Date & Time: Apr 13, 1997 at 1132 LT

Type of aircraft:

Antonov AN-12

Operator:

Avia Y. Petrova Aviakompania

Registration:

RA-11122

Flight Phase:

Flight Type:

Cargo

Survivors:

Site:

Republic of Yakutia (Sakha)

Schedule:

Novosibirsk - Verkhnevilyuisk

MSN:

02 348 104

YOM:

1972

Location:

Verkhnevilyuisk

Country:

Region:

SAAK Stavropolskaya Aktsionernaya Aviakompania

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Circumstances:

On landing at Verkhnevilyuisk, the aircraft touched down late on an unpaved runway, bounced twice, landed firmly 777 metres past the runway threshold. Unable to stop within the remaining distance (runway is 1,800 metres long), it overran and collided with obstacles. All five crew escaped unhurt while one passenger was injured.

Probable cause:

It was determined that the total weight of the aircraft was 12,5 tons above max landing weight, which affected the landing capabilities.

Crash of an Antonov AN-24RV in Cherkessk: 50 killed

Date & Time: Mar 18, 1997 at 1003 LT

Type of aircraft:

Antonov AN-24

Operator:

Registration:

RA-46516

Flight Phase:

Flight

Flight Type:

Scheduled Revenue Flight

Survivors:

Site:

Plain, Valley

Schedule:

Stavropol - Trabzon

MSN:

3 73 085 02

YOM:

1973

Flight number:

SVL1023

Location:

Cherkessk

Republic of Karachay-Cherkessia

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Captain / Total flying hours:

12641

Captain / Total hours on type:

11600.00

Copilot / Total flying hours:

4563

Copilot / Total hours on type:

2657

Aircraft flight hours:

41181

Aircraft flight cycles:

27628

Circumstances:

While cruising at an altitude of 6,000 metres, the aircraft suffered a structural failure when the tail separated. The aircraft entered an uncontrolled descent and crashed in a wooded area located about one km from Cherkessk. The aircraft was totally destroyed upon impact and all 50 occupants were killed. The tail was found about 1,600 metres from the main wreckage. It was reported during investigations that the tail separated due to corrosion after the aircraft was operated in humid environment in Zimbabwe and DRC from 15 August 1994 till 28 December 1995.

Probable cause:

The accident was caused by the combination of the following factors:
1.Surface, without the use of instrumental control methods, by the commission's assessment of the technical condition of the An-24 RA 46516 aircraft and the subsequent unjustified issuance of a conclusion and a decision on the possibility of extending its MTO and service life;
2. Violation of the requirements of the current documents when extending the overhaul life for the An-24 RA 46516 aircraft and extending the established overhaul life without taking into account its long-term operation in a humid and hot climate;
3. Inconsistency of the regulatory documents governing the organization of work to establish and extend the resources and service life of civil aircraft (Regulation 1994) with the requirements of flight safety in modern conditions;
4. Violation of the requirements of the technology for repairing aircraft and household equipment during repairs in ARZ conditions;
5. Imperfection of technological documentation for periodic maintenance in terms of determining the corrosion and corrosion-fatigue state of the aircraft structure in hard-to-reach areas;
6. Insufficient control in the operation of hard-to-reach areas of the underground part of the fuselage in terms of determining the state of structural elements and the presence of corrosion lesions;
7. Failure to comply with the prescribed anti-corrosion measures for the structure of the aircraft during repairs at the ARP and in operation.

Final Report:

Crash of a Yakovlev Yak-40 near Shushenskoye

Date & Time: Jan 29, 1997 at 1320 LT

Type of aircraft:

Yakovlev Yak-40

Operator:

Cheremshanka Airlines

Registration:

RA-87552

Flight Phase:

Flight Type:

Scheduled Revenue Flight

Survivors:

Site:

Plain, Valley

Schedule:

Norilsk – Podkamenaya Tunguska – Shushenskoye – Krasnoyarsk

MSN:

9 21 03 21

YOM:

1972

Flight number:

KI160

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Circumstances:

The aircraft was completing a flight from Norilsk to Krasnoyarsk with intermediate stops in Podkamenaya Tunguska and Shushenskoye, carrying 23 passengers and 4 crew members on behalf of KrasAir (Krasnoyarskie Avialinii). While approaching Shushenskoye, the crew encountered poor weather conditions with a visibility limited to 400 metres due to snow falls. In such conditions, the crew lost his orientation and was unable to locate the destination airport. The captain decided to attempt an emergency landing when the aircraft crash landed in the taiga about 18 km from the airport. All 27 occupants were rescued, among them one passenger was slightly injured. The aircraft was written off.

Probable cause:

The crew lost his orientation in bad weather conditions following navigation error and false calculation regarding the wind component. The lack of ATC assistance was considered as a contributing factor.

Crash of an Ilyushin II-76TD in Anadyr

Date & Time: Jan 25, 1997 at 1454 LT

Type of aircraft:

Ilyushin II-76

Operator:

Registration:

RA-76834

Flight Phase:

Takeoff (climb)

Flight Type:

Positioning

Survivors:

Site:

Schedule:

Anadyr – Magadan – Moscow

MSN:

10234 09319

YOM:

1992

Location:

Country:

Region:

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Aircraft flight hours:

3309

Aircraft flight cycles:

1083

Circumstances:

During the takeoff roll, at a speed of 290 km/h, the copilot started the rotation. The aircraft lifted off, reached a height of 7 metres then entered a left bank of 3,5°. Following a course of 665 metres, the aircraft entered a critical angle of attack, nosed up to 35° then landed back on the runway while the undercarriage have just been retracted. The aircraft slid on its belly and came to rest 270 metres further, about 120 metres to the left of the runway centerline. All 25 occupants were rescued, among them two were seriously injured. The aircraft was damaged beyond repair.

Probable cause:

It was determined that the captain decided to seat on the right front seat, letting the command to the copilot seating in the left front seat, which was against the published procedures because the copilot was not authorized and did not have sufficient experience. The copilot forgot to extend the flaps in an appropriate angle for the takeoff procedure, which caused the aircraft to adopt a critical angle of attack after liftoff and to stall. Successives errors and poor crew coordination were considered as contributing factors as well as the fact that the crew failed to follow the pre-takeoff checklist and failed to identify that the aircraft was not properly configured for the takeoff procedure.

Crash of an Antonov AN-26 in Chokurdakh

Date & Time: Jan 25, 1997 at 1238 LT

Type of aircraft:

Antonov AN-26

Operator:

KolymaAvia

Registration:

RA-26541

Flight Phase:

Charter/Taxi (Non Scheduled Revenue Flight)

Flight Type:

Survivors:

Site:

Republic of Yakutia (Sakha)

Schedule:

Magadan – Tiksi – Chokurdakh – Magadan

MSN:

47302106

YOM:

1975

Location:

Chokurdakh

Country:

Region:

Federal Border Guard Aviation Command

Crew on board:

Crew fatalities:

Pax on board:

Pax fatalities:

Other fatalities:

Total fatalities:

Circumstances:

On final approach, the crew encountered limited visibility due to snow falls but the pilot-in-command was able to maintain a visual contact with the approach light system. Nevertheless, he failed to realized he descended below the MDA when the aircraft struck the ground 178 metres short of runway threshold and 77 metres to the right of its extended centerline. On impact, the nose gear collapsed and the aircraft came to rest against meteo installations. All 17 occupants escaped uninjured while the aircraft was damaged beyond repair.

Probable cause:

It was determined that the crew initiated the final approach prematurely after passing over the outer marker. Serious flight safety deficiencies were identified by the operator during the investigations.

Crash of an Antonov AN-72 in Nagurskoye

Date & Time: Dec 23, 1996 at 1200 LT

Type of aircraft:

Antonov AN-72

Operator:

Flight Phase:

Flight Type:

Government

Survivors:

Site:

Nagurskoye (Franz Josef Archipelago)

Schedule:

Vorkouta – Nagurskoye

Location:

Arkhangelsk oblast

Country:

Region: