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Crash of a Casa-Nurtanio CN235-100M (IPTN) in Ankara: 4 killed

Date & Time: May 18, 2001
Operator:
Registration:
TCSG-552
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Ankara - Ankara
MSN:
C-153
YOM:
2000
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
The crew was engaged in a local test flight at Ankara-Mürted AFB. Shortly after takeoff, while climbing to a height of about 100 feet, the aircraft went out of control and crashed, bursting into flames. All four crew members were killed. According to Turkish Authorities, this aircraft was the last of a series of eight CN-235 intended for the Turkish Navy and was still operated under the Turkish Coast Guard, taking part to a certification program. Several modifications have been made on this model by technicians from Turkish Aerospace Industries (TAI) and the crew consisted of four pilots, one Turkish and three Spanish from the Casa/EADS Consortium.
Probable cause:
In a report published at the end of June 2001, the Turkish and Spanish Authorities confirmed that despite the care taken in the quality control systems, the Turkish engineers were unable to detect a malfunction of the aileron control system probably stemming from an error made during the mounting. Despite the fact that the accident was attributable to the negligence of engineers at Turkish Aerospace Industries (TAI), investigators believe that the three accidents involving Casa CN-235s in Turkey in five months are likely to have resulted from three different causes.

Crash of a Casa-Nurtanio CN235-100M (IPTN) near Akçadağ: 34 killed

Date & Time: May 16, 2001 at 1315 LT
Operator:
Registration:
086
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Diyarbakir – Ankara
MSN:
C-086
YOM:
1995
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
28
Pax fatalities:
Other fatalities:
Total fatalities:
34
Circumstances:
The airplane departed Diyarbakir Airport at 1250LT on a flight to Ankara, carrying 28 passengers and six crew members on behalf of the 2nd Tactical Aerial Force. About 25 minutes into the flight, while cruising in poor weather conditions, the crew declared an emergency and elected to divert to Malatya-Erhaç Airport. Shortly later, the airplane entered an uncontrolled descent, rolled to the left, completed three successive barrels then crashed in an apricot tree plantation located near Akçadağ. The airplane was totally destroyed and all 34 occupants were killed. The loss of control occurred in poor weather conditions (rain and hail) while the airplane was cruising at an altitude of 17,000 feet and at a speed of 444 km/h.
Crew:
Maj Lütfü Ceylan, pilot,
Lt Murat Erdeveci, pilot,
Lt Yılmaz Tekgül, pilot,
Cpt Hakan Bizrelli,
Lt Mahir Turan, pilot,
Yilmaz Gulhan.
Passengers:
Lt Levent Sahin,
Halil Helvacioğlu,
Ümit Basaran,
Nadir Turkmène,
Mikail Altıntas,
Hasan Ersoy,
Turan Kalin,
Zeki Çınar,
Sudi Doruk,
Mehmet Özden,
Ebubekir Çakıcı,
S/Sgt Yılmaz Aydın,
S/Sgt Mahmut Öner,
Zahit Çelik,
Garçon Saadetin,
Sgt Tuncay Urhan,
Sgt Ferhat Öztürk,
Sgt Ersin Bartan,
Sgt Bulent Haluk Demir,
Sgt Isa Turkmène,
Pvt Halit Güney,
Pvt Erdal Şimşek,
Pvt Aydın Uçar,
Pvt Mutlu Kaymakçı,
Pvt Mehmet Ali Karabudak,
Nedim Akyol,
Şefik Ayaydın,
Pvt Atakan Caran.

Crash of a Casa-Nurtanio CN-235M-100 (IPTN) in Sarimsakli: 3 killed

Date & Time: Jan 19, 2001 at 1100 LT
Operator:
Registration:
097
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Kayseri - Kayseri
MSN:
C-097
YOM:
1995
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
3
Circumstances:
The crew (two pilots and one technician) departed Kayseri-Erkilet AFB on a local training flight. While flying at a relative low altitude, the twin engine aircraft entered an uncontrolled descent, dove into the ground and crashed near the Sarimsakli Dam, about 22 km northeast of Kayseri Airbase. The aircraft was totally destroyed and all three occupants were killed.
Probable cause:
It was reported that the crew was simulating an engine failure when control was lost. Apparently following a misunderstanding by the crew and a lack of coordination, one of the crew member mistakenly shut down the second engine. The aircraft lost speed and height then stalled and crashed. The distance between the aircraft and the ground was insufficient to expect stall recovery.

Crash of a Casa-Nurtanio CN-235 (IPTN) at Serang-Gorda AFB: 6 killed

Date & Time: May 22, 1997
Registration:
PK-XNT
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Serang-Gorda - Serang-Gorda
MSN:
N018
YOM:
1991
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
The aircraft was dispatched at Serang-Gorda AFB to test the Low Altitude Parachute Extraction System (LAPES) with six crew members. While approaching the terrain at an altitude of 200 metres, the crew elected to drop the 4 tons load when the parachute harness detached, causing the load to be stuck on the cargo door. The pilot lost control of the airplane that crashed, killing all six occupants.

Crash of a Casa-Nurtanio CN235-100 on Mt Puntang: 31 killed

Date & Time: Oct 18, 1992 at 1330 LT
Operator:
Registration:
PK-MNN
Flight Phase:
Survivors:
No
Site:
Schedule:
Semarang - Bandung
MSN:
N013
YOM:
1990
Flight number:
MZ5601
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
27
Pax fatalities:
Other fatalities:
Total fatalities:
31
Circumstances:
The crew initiated the descent to Bandung-Husein Sastranegara Airport and encountered poor weather conditions with heavy rain falls. Too low, the aircraft struck the slope of Mt Puntang located about 25 km south of Bandung Airport. The aircraft disintegrated on impact and all 31 occupants were killed.
Probable cause:
Controlled flight into terrain after the crew initiated the descent prematurely for unknown reasons.

Crash of a Casa-Nurtanio CN235M-100 in Teniente Rodolfo Marsh

Date & Time: Feb 25, 1992
Operator:
Registration:
E-217
Flight Type:
Survivors:
Yes
Schedule:
Punta Arenas – Teniente Rodolfo Marsh
MSN:
C-021
YOM:
1989
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
9
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Landing at Teniente Rodolfo Marsh-Presidente Eduardo Frei Montalva Airport was completed on an icy and snowy runway. After touchdown, control was lost. The aircraft veered off runway, went down an embankment and came to rest. All 11 occupants were injured and the aircraft was destroyed.