Vliegtuigongeval op 17 JUL 2000 met Boeing 737-2A8 VT-EGD

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Accident

Last updated: 18 May 2013

Status:	Definitief
Datum:	17 JUL 2000
Tijd:	07:34
Type:	Boeing 737-2A8
Luchtvaartmaatschappij:	Alliance Air
Registratie:	VT-EGD
Constructienummer:	22280/671
Bouwjaar:	1980-05-29 (20 years 2 months)
Aantal vlieguren:	44087
Aantal vluchten:	51278
Motoren:	2 Pratt & Whitney JT8D-17A
Bemanning:	slachtoffers: 6 / inzittenden: 6
Passagiers:	slachtoffers: 49 / inzittenden: 52
Totaal:	slachtoffers: 55 / inzittenden: 58
Slachtoffers op de grond:	slachtoffers: 5
Schade:	Afgeschreven
Gevolgen:	Written off (damaged beyond repair)
Plaats:	2 km (1.3 mijl) SW of Patna Airport (PAT) (India)
Fase:	Nadering (APR)
Soort vlucht:	Binnenlandse lijnvlucht
Vliegveld van vertrek:	Calcutta-Netaji Subhas Chandra Airport (CCU/VECC), India
Vliegveld van aankomst:	Patna Airport (PAT/VEPT), India
Vluchtnummer:	7412

Beschrijving:
Flight 7412 departed Calcutta 21 minutes late, at 06:51, for a flight to Patna, Lucknow and Delhi. The crew had been cleared to land at runway 25 when they requested a 360-degree orbit because they were high on the approach. Permission was granted and a left turn was initiated. During the left turn, the aircraft stalled. The plane then grazed a few single-storied houses in a government residential housing estate at Aneeshabad and exploded into a ball of fire. The aircraft broke into four pieces. The accident site is located about 2km southwest of the Patna Airport.
Weather reported at 07:30 included temperature 30deg C (86 F), dewpoint 27deg C (80 F); 997mB; wind calm, haze, 4000m visibility.
The aircraft in question, VT-EGD, had been involved in an accident 14 years ago. On January 15, 1986, the pilot of flight 529 attempted to land at Tiruchirapalli in conditions below weather minima. During a go-around the wing contacted the runway due to an excessive bank angle. The wing was substantially damaged, but there were no injuries among the 6 crew and 122 passengers.

PROBABLE CAUSE: "The cause of the accident was loss of control of the aircraft due Human Error (air crew). The crew had not followed the correct approach procedure, which resulted in the aircraft being high on approach. They had kept the engines at idle thrust and allowed the air speed to reduce to a lower than normally permissible value on approach. They then maneuvered the aircraft with high pitch attitude and executed rapid roll reversals. This resulted in actuation of the stick shaker stall warning indicating an approaching stall. At this stage, the crew initiated a Go Around procedure instead of Approach to Stall Recovery procedure resulting in an actual stall of the aircraft, loss of control and subsequent impact with the ground."

Bronnen:
» India Today News
» PTI
» Reuters
» Times of India
» Tommy Maurer
» US National Weather Service

Official accident investigation report

investigating agency:	India
report status:	Final
report number:	Accident Investigation Report
download report:	Accident Investigation Report

Veiligheidsmaatregelen

India Court of Inquiry issued 8 Safety Recommendations

Issued: 31-MAR-2001	To: Alliance Air	VT-EGD (1)
Alliance Air should review their pilot training and following aspects should be emphasised. - Discipline in the air - Cockpit Resource Management (CRM) - Adherence to Standard Operating Procedures (SOP) - Training curricula should include procedures such as recovery from “Approach to Stall” and “Clean Stall”.
Issued: 31-MAR-2001	To: Indian Airlines and Alliance Air	VT-EGD (2)
Indian Airlines and Alliance Air should review their Quality Control Organisation to streamline the maintenance of Boeing 737 aircraft in order to remove the duality in command and control with respect to this activity.
Issued: 31-MAR-2001	To:	VT-EGD (3)
The Ministry of Civil Aviation, Govt. of India, Airports Authority of India and State Govt. of Bihar should ensure proper coordination to rid the approach funnel of R/W 25 of trees. Vehicular traffic on the airport road at Patna, which runs very close to the threshold of R/W 25, must be controlled. Only light vehicles should be allowed to ply on this road and even this traffic should be stopped during the arrival and departure of scheduled airline traffic.
Issued: 31-MAR-2001	To:	VT-EGD (3)
The Ministry of Civil Aviation, Govt. of India, Airports Authority of India and State Govt. of Bihar should ensure proper coordination to rid the approach funnel of R/W 25 of trees. Vehicular traffic on the airport road at Patna, which runs very close to the threshold of R/W 25, must be controlled. Only light vehicles should be allowed to ply on this road and even this traffic should be stopped during the arrival and departure of scheduled airline traffic.
Issued: 31-MAR-2001	To:	VT-EGD (4)
The above agencies [Ministry of Civil Aviation, Govt. of India, Airports Authority of India and State Govt. of Bihar] should also coordinate their efforts to extend the basic strip at R/W 07 end by acquiring railway land to the South and State Transport Corporation land to the North.
Issued: 31-MAR-2001	To:	VT-EGD (5)
Keeping in view the future growth of air traffic and restrictions at the present Patna airport, the Govt. should consider development of Bihta Airport for civilian traffic by providing the necessary infrastructure in a time bound manner.
Issued: 31-MAR-2001	To: Airports Authority of India (AAI)	VT-EGD (6)
The Airports Authority of India (AAI) should maintain airport equipment and navigational facilities at all airports in the country to the required standards. AAI should review availability of the necessary equipment such as aircraft for air-calibration, crash fire tenders and other equipment so as to maintain them within stipulated standards.
Issued: 31-MAR-2001	To: Patna Medical College Hospital	VT-EGD (7)
The Patna Medical College Hospital (PMCH) should review its available facilities and provide a properly equipped mortuary. The routine maintenance of the facilities should be carried out.

Show all AD's and Safety Recommendations

Foto's

Kaart

Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Calcutta-Netaji Subhas Chandra Airport en Patna Airport bedraagt 469 km (293 miles).

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