Flugunfall 31 JUL 1997 einer McDonnell Douglas MD-11F N611FE - Newark International Airport, NJ (EWR)

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Accident

Last updated: 22 May 2013

Status:	Schlussbericht
Datum:	31 JUL 1997
Zeit:	01:31
Flugzeugtyp:	McDonnell Douglas MD-11F
Fluggesellschaft:	FedEx
Kennzeichen:	N611FE
Werknummer:	48604/553
Baujahr:	1993
Betriebsstunden:	13034
Anzahl Zyklen der Zelle:	2950
Triebwerk:	3 General Electric CF6-80C2D1F
Besatzung:	Todesopfer: 0 / Insassen: 3
Fluggäste:	Todesopfer: 0 / Insassen: 2
Gesamt:	Todesopfer: 0 / Insassen: 5
Sachschaden:	Zerstört
Konsequenzen:	Written off (damaged beyond repair)
Unfallort:	Newark International Airport, NJ (EWR) (USA)
Flugphase:	Landung (LDG)
Betriebsart:	Frachtflug
Flug von:	Anchorage International Airport, AK (ANC/PANC), USA
Flug nach:	Newark International Airport, NJ (EWR/KEWR), USA
Flugnummer:	14

Unfallbericht:
The aircraft touched down 1175 feet down runway 22R at 149 knots with a 500f/min descent rate and 1,67g acceleration. The flight bounced, yawed and rolled right, and touched down again 2275 feet from the threshold, at 1,7g (lateral acceleration 0,4g to the right) and dragging the no. 3 engine 238 feet further on. The right roll, pinning the no. 3 engine to the ground, possibly continued until the right wing's spars broke. The MD-11 skidded off the right side of the runway and ended up on its back 4800 feet from the threshold and just short of Terminal B.
The aircraft, N611FE, had suffered a similar incident (bounced on landing) in Anchorage, November 4, 1994.

PROBABLE CAUSE: "The captain’s overcontrol of the airplane during the landing and his failure to execute a go-around from a destabilized flare. Contributing to the accident was the captain’s concern with touching down early to ensure adequate stopping distance."

Informationsquelle:
» Aviation Week & Space Technology 15.09.1997 (31-32)
» Aviation Week & Space Technology 11.08.1997 (38)

Official accident investigation report

investigating agency:	National Transport Safety Bureau (NTSB) - USA
report status:	Final
report number:	NTSB/AAR-00-02
report released:	25-JUL-2000
duration of investigation:	1090 days (2 years 12 months)
download report:	Crash During Landing Federal Express, Inc. McDonnell Douglas MD-11, N611FE Newark International Airport Newark, New Jersey July 31, 1997 (NTSB/AAR-00-02)

Sicherheitsempfehlungen

NTSB issued 12 Safety Recommendations

Issued: 25-AUG-2000	To: FAA	A-00-092
Convene a joint government-industry task force composed, at a minimum, of representatives of manufacturers, operators, pilot labor organizations, and the FAA to develop, within 1 year, a pilot training tool to do the following (Closed - Reconsidered)
Issued: 25-AUG-2000	To: FAA	A-00-093
Convene a joint government-industry task force composed, at a minimum, of representatives of manufacturers, operators, pilot labor organizations, and the FAA to develop, within 1 year, a pilot training tool to do the following (Closed - Acceptable Action)
Issued: 25-AUG-2000	To: FAA	A-00-094
Convene a joint government-industry task force composed, at a minimum, of representatives of manufacturers, operators, pilot labor organizations, and the FAA to develop, within 1 year, a pilot training tool to do the following (Closed - Acceptable Action)
Issued: 25-AUG-2000	To: FAA	A-00-095
Require principal operations inspectors assigned to Part 121 carriers that use auxiliary performance computers to review and ensure the adequacy of training and procedures regarding the use of this equipment and the interpretation of the data generated, including landing distance data. (Closed - Acceptable Action)
Issued: 25-AUG-2000	To: FAA	A-00-096
Require the installation, within 1 year, of the MD-11 flight control computer-908 software upgrade on all MD-11 airplanes. (Closed - Acceptable Alternate Action)
Issued: 25-AUG-2000	To: FAA	A-00-097
Require, on all MD-11\'s equipped with the flight control computer-908 software, the retrofit of digital flight data recorder systems with all additional parameters required to precisely identify and differentiate between pilot and longitudinal stability augmentation system (LSAS) elevator control activity, including control column force, inertial reference unit pitch rate, LSAS command signals, elevator positions, and automatic ground spoiler command signals. (Closed - Unacceptable Action)
Issued: 25-AUG-2000	To: FAA	A-00-098
Review and, if appropriate, revise the DC-10 and MD-11 throttle resolver angle (TRA)-driven ground spoiler knockdown feature to ensure that it does not prevent ground spoiler deployment at moderate TRAs that could be associated with sink rate and airspeed corrections during the landing phase. (Closed - Acceptable Action)
Issued: 25-AUG-2000	To: FAA	A-00-099
Require DC-10 and MD-11 operators to provide their pilots with information and training regarding the ground spoiler knockdown feature and its effects on landing characteristics and performance. (Closed - Acceptable Action)
Issued: 25-AUG-2000	To: FAA	A-00-100
Sponsor a National Aeronautics and Space Administration (NASA) study of the stability and control characteristics of widely used, large transport-category airplanes to (Closed - Acceptable Alternate Action)
Issued: 25-AUG-2000	To: FAA	A-00-101
Based on the results of the study recommended in A-00-100, implement improved certification criteria for transport-category airplane designs that will reduce the incidence of landing accidents. (Closed - Reconsidered)
Issued: 25-AUG-2000	To: FAA	A-00-102
Conduct a study to determine if landing gear vertical overload fusing offers a higher level of safety than when the gear is overdesigned. If fusing offers a higher level of safety, revise 14 Code of Federal Regulations Part 25 to require vertical overload fusing of landing gear. (Closed - Acceptable Alternate Action)
Issued: 25-AUG-2000	To: FAA	A-00-103
Require manufacturers of 14 Code of Federal Regulations Part 23 and part 25 airplanes and Part 121 operators to revise their hard landing inspection and reporting criteria to account for all factors that can contribute to structural damage; instruct principal maintenance and operations inspectors assigned to Part 121 operators to ensure that these changes have been made to operator maintenance manuals and flight operations quality assurance exceedence monitoring programs. (Open - Acceptable Response)

Show all AD's and Safety Recommendations

Fotos

photo of McDonnell Douglas MD-11F N611FE

Map

This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Anchorage International Airport, AK to Newark International Airport, NJ as the crow flies is 5368 km (3355 miles).

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