Accident
Last updated: 23 July 2014
Status:Schlussbericht
Datum:Dienstag 13 August 1996
Zeit:08:57 UTC
Flugzeugtyp:Learjet 25B
Fluggesellschaft:MAC Aviation
Kennzeichen: EC-CKR
Werknummer: 25-184
Baujahr: 1974
Betriebsstunden:4596
Triebwerk: 2 General Electric CJ610-6
Besatzung:Todesopfer: 0 / Insassen: 2
Fluggäste:Todesopfer: 0 / Insassen: 1
Gesamt:Todesopfer: 0 / Insassen: 3
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Northolt Airport (NHT) (   Großbritannien) show on map
Flugphase: Landung (LDG)
Betriebsart:Geschäftsflug
Flug von:Palma de Mallorca Airport (PMI/LEPA), Spanien
Flug nach:London-Northolt Airport (NHT), Großbritannien
Unfallbericht:
Learjet 25B EC-CKR arrived near Northolt following a flight from Palma de Mallorca. Due to the presence of priority traffic which was due to depart Northolt at that time, the flight was extended down wind to a distance of 10 nm before the crew received vectors and descent instructions for the final approach to runway 25. At 3.5nm short of the runway the pilot was asked to confirm that his landing gear was down and locked as is normal procedure at Northolt. After some rephrasing of this question, the landing gear was confirmed down, however during this exchange the aircraft was seen to deviate above the glidepath. At 2.5 nm, landing clearance was confirmed and the aircraft was advised of the surface wind and the fact that there was a 4 kt tailwind. The aircraft was also advised that it was above the glide path. At the decision altitude which was at approximately half a mile from the runway the aircraft was still above the glidepath although seen to be correcting to it. On arrival at the runway the aircraft was observed to land some distance beyond the normal touchdown point. Towards the end of the landing roll it veered to the right and then swerved to the left and overran the end of the runway. It collided with three lighting stanchions and continued in a south-westerly direction towards the airfield boundary which is marked by a high chain-link fence. After bursting through the boundary fence the aircraft ran onto the A40 trunk road and was almost immediately in collision with a Ford Transit van on the east bound carriageway, and seriously injuring its driver. The aircraft came to rest in the left hand lane of the road with the van embedded in the right side of the fuselage immediately forward of the right wing.

CAUSES: The following causal fators were identified: (1) The commander landed the aircraft at a speed of 158 (+/- 10 kt) and at a point on the runway such that there was approximately 3,125 feet (952 metres) of landing run remaining.; (2) The commander did not deploy the spoilers after touchdown.; (3) The first officer did not observe that the spoilers had not heen deployed after touchdown.; (4) At a speed of 158 (+/- 10 kt) with spoilers retracted and given the aircraft weight and atmospheric conditions prevailing , there was insufficient landing distance remaining from the point of touchdown within which to bring the aircraft to a standstill.; (5) The commander allowed himself to become overloaded during the approach and landing. The safeguards derived from a two crew operation were diminished by the first officer’s lack of involvement with the final approach."

Informationsquelle:

Official accident investigation report
investigating agency: Air Accidents Investigation Branch (AAIB) - U.K.
report status: Final
report number: AAIB Bulletin 9/96
report released:01-SEP-1996
duration of investigation:19 days ()
download report: LearJet 25B, EC-CKR, 13 August 1996 (AAIB Bulletin 9/96)
cover

investigating agency: Air Accidents Investigation Branch (AAIB) - U.K.
report status: Final
report number: AAIB AAR 3/97
report released:03-JUL-1997
duration of investigation:324 days (10.8 months)
download report: Report on the accident to Gates Learjet 25B, EC-CKR , RAF Northolt, Middlesex on 13 August 1996 (AAIB AAR 3/97)

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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 Palma de Mallorca Airport to London-Northolt Airport as the crow flies is 1347 km (842 miles).

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