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Crash of a PZL-Mielec AN-28 near Kedrovy

Date & Time: Jul 16, 2021 at 1611 LT
Type of aircraft:
Operator:
Registration:
RA-28728
Flight Phase:
Survivors:
Yes
Schedule:
Kedrovy - Tomsk
MSN:
1AJ007-13
YOM:
1989
Flight number:
SL42
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
15
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
7906
Captain / Total hours on type:
3970.00
Copilot / Total flying hours:
181
Copilot / Total hours on type:
26
Aircraft flight hours:
8698
Aircraft flight cycles:
5921
Circumstances:
En route from Kedrovy to Tomsk, while cruising at an altitude of 12,000 feet in icing conditions, both engines failed simultaneously. The crew tried to restart both engines, without success. In such conditions, the crew reduced his altitude and attempted an emergency landing in the taiga. Upon impact, the flipped over and came to rest upside down. The wreckage was found around 1430LT some 52 km southeast of Kedrovy. All 17 occupants were found alive, among them few were injured. The captain broke one of his leg. The aircraft was damaged beyond repair.
Probable cause:
The accident of the An-28 aircraft, registration RA-28728, occurred during a forced landing on an improvised landing site due to the simultaneous shutdown of both engines while in flight. The need for this landing was triggered by the engines' spontaneous shutdown. The shutdown occurred while the aircraft was flying in icing conditions with the Pitot-Static System (POSS) turned off due to ice ingestion into its air intake.
The aviation incident was most likely influenced by the following factors:
- The crew's failure to follow the Aircraft Flight Manual (AFM) procedures for manually activating the POSS when meteorological conditions favored icing;
- Violation of the crew's duty and rest time regulations, which could have led to the accumulation of operational fatigue and contributed to missing the operation to activate the POSS;
- The crew's failure to make the decision to cease further performance of their duties due to the accumulation of operational fatigue in the absence of the airline's established procedures for exercising this crew right, which does not comply with the provisions of the Russian Ministry of Transport Order No. 139 dated November 21, 2005, "On Approval of the Regulation on Features of the Work and Rest Time Regime for Crew Members of Civil Aviation Aircraft in the Russian Federation";
- Increased hypoxia stress when flying at altitudes exceeding 3000 meters without the additional use of oxygen, which is a violation of the regulations of FAP-128, AFM, and the airline's internal regulations, and could have exacerbated the negative effects of operational fatigue;
- A malfunction in the ice detection sensor DSL-40T, which prevented the issuance of ice detection alerts and the automatic activation of the POSS.
Final Report:

Crash of a PZL-Mielec AN-28 in Mezhdurechenskoye: 5 killed

Date & Time: Oct 4, 2017 at 1853 LT
Type of aircraft:
Operator:
Registration:
UP-A2807
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Almaty - Shymkent
MSN:
1AJ007-14
YOM:
1990
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
5
Captain / Total flying hours:
12000
Captain / Total hours on type:
2930.00
Copilot / Total flying hours:
486
Copilot / Total hours on type:
110
Aircraft flight hours:
3631
Aircraft flight cycles:
3197
Circumstances:
The twine engine airplane departed Almaty Airport at 1835LT on an ambulance flight to Shymkent, carrying two doctors, two pilots and one flight mechanic. About 22 minutes into the flight, while cruising by night and poor weather conditions, the crew encountered an unexpected situation and was forced to shut down the right engine. Shortly later, the aircraft crashed near the village of Mezhdurechenskoye, some 28 km northwest of Almaty Airport, bursting into flames. The aircraft was totally destroyed by impact forces and a post crash fire and all five occupants were killed.
Probable cause:
The probable cause of the accident was the shut down of the right engine and then the left engine, possibly due to a faulty shut down on part of the crew. In the course of the subsequent emergency descent due to complete loss of power of the engines with no radio communication with air traffic controllers, as well as possibly due to the resulting confusion and nervousness, the crew unintentionally forgot to switch the pressure value on the mechanical barometric altimeter of the aircraft to the pressure on the landing airfield (704 mm Hg), leaving the pressure value of 760 mm Hg, which led to incorrect readings of true altitude of the flight. Subsequently, the crew was able to start the engines and attempt to make a forced landing at a distance of 28 km from the airfield of Almaty at night in poor weather conditions in an unlit area. Incorrect readings on the barometric altimeter of the true flight altitude (the radio altimeter showed 750 m) resulted in the aircraft colliding with a power line, causing a fire, as well as colliding with the ground, as a result of which the aircraft structure completely collapsed and burned down.
Final Report:

Crash of a PZL-Mielec M28-05 Skytruck in Bajura: 1 killed

Date & Time: May 30, 2017 at 1210 LT
Type of aircraft:
Operator:
Registration:
NA-048
Flight Type:
Survivors:
Yes
Schedule:
Surkhet - Simikot
MSN:
AJE003-02
YOM:
2004
Location:
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
The crew departed Surkhet on a flight to Simikot but was unable to land at Simikot due to high winds and diverted to Bajura Airfield. Upon arrival, the twin engine aircraft crashed and came to rest upside down. The captain was killed and both other crew members were seriously injured.

Crash of a PZL-Mielec M28 Skytruck off Tanjung Pinang: 13 killed

Date & Time: Dec 3, 2016 at 1022 LT
Type of aircraft:
Operator:
Registration:
P-4201
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Pangkal Pinang – Batam
MSN:
AJE003-03
YOM:
2004
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
13
Circumstances:
The twin engine aircraft departed Pangkal Pinang Airport at 0924LT bound for the Hang Nadim Airport located on the Batam Island. En route, the aircraft disappeared from radar screens and crashed in the sea about 74 km southeast of Tanjun Pinang, in the Riau Islands. An hour later, around 1130LT, few debris and bodies were found by fishermen floating on water off Pulau Senayang. All 13 occupants were killed.

Crash of a PZL-Mielec AN-28 near Addis Ababa

Date & Time: Jan 20, 2014 at 0935 LT
Type of aircraft:
Operator:
Registration:
UP-A2805
Flight Type:
Survivors:
Yes
Schedule:
Entebbe - Sana'a
MSN:
1AJ008-22
YOM:
1990
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
When flying in the Ethiopian Airspace, the crew informed ATC about engine problems and was cleared to divert to Addis Ababa-Bole Airport for an emergency landing. On approach, the twin engine aircraft crashed in an open field located in Legedadi, about 20 km northeast of the airport. Both pilots were seriously injured and the aircraft was destroyed.

Crash of a PZL-Mielec AN-28 in Palana: 10 killed

Date & Time: Sep 12, 2012 at 1220 LT
Type of aircraft:
Operator:
Registration:
RA-28715
Survivors:
Yes
Schedule:
Petropavlovsk-Kamchatsky - Palana
MSN:
1AJ006-25
YOM:
1989
Flight number:
PTK251
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
12
Pax fatalities:
Other fatalities:
Total fatalities:
10
Captain / Total flying hours:
8955
Captain / Total hours on type:
7732.00
Copilot / Total flying hours:
6543
Copilot / Total hours on type:
6347
Aircraft flight hours:
11947
Aircraft flight cycles:
8891
Circumstances:
Following an uneventful flight from Petropavlovsk-Kamchatsky, the crew started the descent to Palana Airport Runway 11 from the south. In marginal weather conditions, the twin engine aircraft descended too low, impacted trees and crashed in a wooded area located on Mt Pyatibratka. The wreckage was found at a height of 216 meters some 10 km south of the airport. Both pilots and 8 passengers were killed while four other passengers were seriously injured. Thea aircraft was destroyed by impact forces.
Probable cause:
The fatal accident with An-28 RA-28715 aircraft was caused by violation of specified approach pattern in Palan Airport resulted in outbound track and premature descending up to unauthorized low altitude performing flight in mountainous terrain in weather conditions excluding sustained visual reference with ground references resulted in aircraft collision with mountain slope, its destruction and crew and passengers fatality. Alcohol was detected in blood of both crew members.
Contributing factors were:
- Low level of discipline of personnel in Petropavlovsk-Kamchatsky Air Enterprise and inadequate flight methodical work in enterprises in a part of crew preflight training and approach patterns monitoring.
- Crew inaction when the radio altimeter altitude alert was actuated.
- Ground Proximity Warning System at An-28 aircraft could probably prevent the accident.
Final Report:

Crash of a PZL-Mielec AN-28 in Namoya: 3 killed

Date & Time: Jan 30, 2012 at 0845 LT
Type of aircraft:
Operator:
Registration:
9Q-CUN
Flight Type:
Survivors:
Yes
Schedule:
Bukavu – Namoya
MSN:
1AJ006-11
YOM:
1989
Location:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
3
Circumstances:
The twin engine aircraft departed Bukavu-Kavumu Airport at 0745LT for a one-hour cargo flight to Namoya. On approach, the crew encountered marginal weather conditions when the aircraft crashed in a dense wooded area located 10 km short of runway threshold. Two passengers among them a 60 years old women were seriously injured while three other occupants were killed, among them both pilots, a Russian captain and an Indian copilot.

Crash of a PZL-Mielec C-145A Skytruck in Walan Rabat

Date & Time: Dec 18, 2011 at 1502 LT
Type of aircraft:
Operator:
Registration:
08-0319
Flight Type:
Survivors:
Yes
Schedule:
Kandahar - Qalat - Walan Rabat - Qalat - Kandahar
MSN:
AJE003-19
YOM:
2009
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
3546
Captain / Total hours on type:
434.00
Copilot / Total flying hours:
982
Copilot / Total hours on type:
677
Aircraft flight hours:
1164
Aircraft flight cycles:
1273
Circumstances:
At 0939 hours Zulu time on 18 December 2011, an M-28, Tail Number 08-0319, departed Kandahar Air Base, Afghanistan on a mission to pick up four passengers at Qalat, Afghanistan, transport them to Walan Rabat short takeoff and landing zone, transport two additional personnel from Walan Rabat back to Qalat, then return to Kandahar Air Base. The mishap aircraft and crew were assigned or attached to the 318th Special Operations Squadron, 27th Special Operations Wing at Cannon Air Force Base, New Mexico, and were deployed to the 318th Expeditionary Special Operations Squadron at Kandahar Air Base, Afghanistan. After an uneventful stop at Qalat to onload four passengers and their bags, the mishap crew flew a 20-minute leg to Walan Rabat. Surface winds at Walan Rabat were 190 degrees at 14 knots gusting to 17 knots, 30 degrees off a direct tailwind for runway 34. Because the landing zone has a three percent upslope for runway 34, and a 1,500-foot mountain exists 1½ miles to the north, the pilot elected to land with a tailwind on runway 34, the preferred landing direction. Walan Rabat Landing Zone is a 1,756-foot long, 31-foot wide, semi-prepared dirt strip with poorly defined boundaries. The landing zone was marked with AMP-3 markings, commonly called a “box-and-one” with colored panels. The mishap pilot consulted a wind component chart and incorrectly calculated the tailwind component, mistakenly believing it was within the allowable limit for landing the M-28. The pilot flew a shallow 2½-3 degree approach due to the upsloping landing zone. At approximately 1,000 feet short of the landing zone, the mishap pilot visually acquired the AMP-3 markings and landed the mishap aircraft at 1032 zulu. After a firmer than normal landing, the aircraft veered to the right and departed the prepared surface. The nose gear encountered uneven terrain and collapsed, causing the mishap aircraft to flip tail-over-nose. The mishap crew and passengers then egressed the aircraft through the copilot’s window. There were no serious injuries to crew or passengers. The mishap aircraft, which was valued at approximately $12,300,000 was destroyed. There were no civilian casualties.
Probable cause:
The AIB president found no clear and convincing evidence of the primary cause of the accident. He determined by a preponderance of evidence that the Landing Zone Condition, Cross-Monitoring Performance, Task/Mission-in-Progress Re-planning, Landing with an Excessive Tailwind, and Aircraft Engine Anomalies substantially contributed to the mishap, ultimately causing the mishap aircraft to veer off the prepared surface into rough terrain, resulting in the collapse of the nose landing gear and destruction of the aircraft.
Final Report: