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| Date: | Saturday 11 October 1997 |
| Time: | 07:59 |
| Type: |  Boeing 747-436 |
| Owner/operator: | British Airways |
| Registration: | G-BNLD |
| MSN: | 23911/744 |
| Year of manufacture: | 1989 |
| Fatalities: | Fatalities: 0 / Occupants: 197 |
| Other fatalities: | 0 |
| Aircraft damage: | Minor, repaired |
| Location: | Lilongwe-Kamuzu International Airport (LLW/FWKI) -
 Malawi
|
| Phase: | Landing |
| Nature: | Passenger - Scheduled |
| Departure airport: | Lusaka-Kenneth Kaunda International Airport (LUN/FLKK) |
| Lilongwe-Kamuzu International Airport (LLW/FWKI) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The aircraft was planned to operate a scheduled passenger service from Lusaka to Lilongwe. The aircraft was serviceable for the approach to Lilongwe where the runway in use was Runway 14. This runway has a high intensity approach lighting system and VASIs set at 3_, the landing distance is 11,614 feet with an asphalt surface, the touchdown threshold is 4,028 feet amsl and a serviceable ILS was available. Prior to the approach the reported meteorological conditions for the airfield included a surface wind of 070_/14 kt, visibility greater than 10 km with no significant cloud and a surface temperature of +26_C.
The commander was the handling pilot for the visual approach which was flown in clear air and no turbulence was noted during the approach. The pilot reported that the aircraft went slightly low on the glide-slope during the latter stages of the approach but was soon re-established and, at 200 feet, the aircraft was stabilized at Vref +5 kt. Shortly after the automatic '50 feet' call the pilot commenced a normal flare maneuver but the aircraft rate of descent did not reduce and the aircraft made a firm contact with the runway surface. The pilot commented upon the apparent absence of the usual ground effect associated with this type of aircraft. The roll-out and braking were normal but once stationary on the stand it was discovered that there was a significant hydraulic leak from the left body gear; on touchdown two of the ceiling panels in the cabin had also become dislodged. There were no injuries to the passengers or crew all of whom disembarked normally.
Data from the Optical Quick Access Recorder indicated that throughout the approach the airspeed was fairly stable at 146 kt (+/- 3 kt), although this increased to a maximum of 155 kt at 50 feet.
Below 300 feet the aircraft was consistently about half a dot below the glide-slope until at 30 feet, when it moved back towards the glide-slope. The rate of descent at touchdown was around 10 ft/sec,this had remained fairly constant below 100 feet and did not show the effect of the flare which was initiated at about 50 feet whenthe pitch angle was increased from +0.5_ to achieve +3_ at touchdown. The recorded wind velocity was reasonably constant at 070_/14kt during the approach, however, there was a shift in the wind velocity below 100 feet when the wind veered from 070_ to 100_and decreased from 14 kt to 10 kt. The normal acceleration trace did indicate a level of light turbulence during the approach (around+/- 0.125G) which can be associated with wind-shear.
Furthermore, despite the increase in airspeed to 155 kt at 50 feet the ground speed remained fairly constant between 150 kt to 152 kt throughout the approach. It is therefore probable that the aircraft encountered some minor wind-shear prior to and during the flare which could account for the firm touchdown
Accident investigation:
 |
|
Sources:
https://assets.publishing.service.gov.uk/media/5422ecbced915d137400012d/dft_avsafety_pdf_500123.pdf
https://www.jetphotos.com/photo/7554414 (Photo)
History of this aircraft
Other occurrences involving this aircraft
| 18 May 1997 | G-BNLD | British Airways | 0 | London-Gatwick Airport (LGW/EGKK) |  |
min |
| 1 March 2002 | G-BNLD | British Airways | 0 | 159 km NW of Parkes VOR |  |
min |
| Forced landing | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Mar-2025 19:18 | Justanormalperson | Added |
| 28-Mar-2025 19:18 | ASN | Updated [Narrative, Accident report, ] |
Corrections or additions? ... Edit this accident description
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