Date:
January 6, 1995
Location: Pennines, near Manchester, United Kingdom
What
follows is the full report of the CAA's conclusions relating
to a near miss between a Boeing 737 and an unknown object
on 6th January 1995, while on its final approach to Manchester
Airport.
Source:
Mike Wootten - BUFORA
PART
A: SUMMARY OF INFORMATION TO JAS
THE
B737 PILOT reports that he was over the Pennines, about
8 or 9 NM SE of Manchester Airport, at 4,000 ft, while
being radar-vectored by Manchester radar on 119.4. He
was flying at 180-210 kt on a N heading and squaking 5734
with Mode C selected. Although it was dark, visibility
was over 10 km with a fairly strong NW wind (340/30).
While flying just above the tops of some rugged Cu, both
he and the first officer saw a lighted (see JAS notes)
object fly down the RH side of the ac at a high speed
from the opposite direction. He was able to track the
object through the RH windscreen and side window, having
it is sight for a total of about 2 seconds. There was
no apparent sound or wake. The first officer instinctively
'ducked' as it went by.
The
first officer reports that his attention, initially focused
on the glare shield in front of him, was diverted to something
in his peripheral vision. He looked up in time to see
a dark object pass down the right hand side of the ac
at high speed; it was wedge-shaped with what could have
been a black stripe down the side. he estimated the object's
size as somewhere between that of a light ac and a Jetstream,
though he emphasised that this was pure speculation. It
made no attempt to deviate from its course and no sound
was heard or wake felt. He felt certain that what he saw
was a solid object - not a bird, balloon or kite.
MANCHESTER
ATC reports that the B737 was being radar vectored from
Dayne to the ILS for RW 24 when the pilot reported a lighted
object passing close by above and in the opposite direction.
There was no known traffic in the vicinity at the time
and no radar contacts were seen.
JAS
Note (1): Telephone conversations subsequently took place
with both the captain and his first officer. The captain
remained convinced that the object was itself lit. Although
he could not determine a definite pattern, he described
it has having a number of small white lights, rather like
a Christmas tree. He confirmed the high speed of the object,
and though unable to estimate the distance, said he felt
it was very close. Following the incident, the captain
and first officer independently drew what they had seen,
both agreed about the shape but differing in their opinions
about the lighting aspects. The first officer felt that
the object was illuminated by their landing lights, which
at that stage were switched on. He was unable to assess
the distance, other than to say that he involuntarily
'ducked', so it must have appeared to him to have been
very close. He was entirely convinced, as was the captain,
that they had seen a solid object and not a Met phenomenon,
balloon or any other craft with which they were familiar,
or a Stealth ac, which he [the captain] had himself had
seen and which he feels he would have recognised.
JAS
Note (2): Despite exhaustive investigations, the reported
object remains untraced. A reply of the Ciee radar shows
a number of secondary contacts, including the subject
B737, being radar sequenced in the Manchester TMA and
zone. The B737 tracks over two almost stationary primary
contacts just N of Leek on a NW heading while descending
through FL 70-60. On entering the Manchester TMA, passing
FL 50, it is vectored right onto about 040 deg, and continues
to descend on a NE track along the E boundary of the Manchester
TMA to within 0.75NM of the Daventry CTA, where the base
of CAS is FL 45. At this point, passing 3600 Mode C, the
ac is turned onto a L base for RW 24 as part of a busy
sequence of inbound ac. At no time during the downwind
leg is any other radar contact seen in the vicinity. An
extract from the RT recording on 119.4, which shows that
the B737 was given decent clearance to 4,000 ft at 1845:30,
follows:
From:
B737 (1848) - 'c/s we just had something go down the
RHS just above us very fast.'
Manchester - 'Well, there's nothing seen on radar.
Was it er an ac?'
B737 - 'Well, it had lights, it went down the starboard
side very quick.'
Manchester - 'And above you?'
B737 - 'er, just slightly above us, yeah.'
Manchester - 'Keep an eye out for something, er, I
can't see anything at all at the moment so, er, must have,
er, been very fast or gone down very quickly after it
passed you I think.'
B737 - 'OK. Well, there you go!'
The
possibility that the object might have been a hang glider,
paraglider or microlight was investigated, but all the
operating authorities, without exception, agreed that
this was an extremely unlikely explanation, for various
reasons, but mainly because none of these activities takes
place at night. In addition, there are obvious hazards
of flying in the dark, from high ground (the peaks in
this area along the Pennine ridge range from 1,600 to
over 2,000 ft), strong winds, and because these aircraft
are unlit. JAS also explored the possibility of military
activity, but could find no evidence in support of this
from any official source. In any case, it seems most unlikely
that such a flight would have been conducted in CAS and
so close to a busy international airport. Because of the
B737's proximity to the uncontrolled airspace to the E
of Manchester, during the downwind leg, which covers the
airmiss period, the possibility of unknown military or
civil activity in the adjacent FIR cannot be completely
discounted. However, the likelihood of such activity escaping
detection is remote, as the area is well served by several
radars and any movements a the levels in question would
almost certainly have generated a radar response.
PART
B: SUMMARY OF THE WORKING GROUP'S DISCUSSIONS
Information
available to the Working Group included reports from the
pilot of the B737, transcripts of the relevant RT frequencies,
a video recording, and reports from the air traffic controllers
involved.
The
Group were anxious to emphasise that this report, submitted
by two responsible airline pilots, was considered seriously
and they wished to commend the pilots for their courage
in submitting it, and their company, whose enlightened
attitude made it possible. Reports such as these are often
the object of derision, but the Group hopes that this
example will encourage pilots who experience unusual sightings
to report them without fear of ridicule. It was quickly
realised by all members that, because of its unusual nature,
they could only theorise on the possibilities once normal
avenues of investigation had been explored. There is no
doubt that the pilots both saw an object and that it was
of sufficient significance to prompt an airmiss report.
Unfortunately, the nature and identity of this object
remains unknown. To speculate about extra-terrestrial
activity, fascinating though it may be, is not within
the Group's remit and must be left to those whose interest
lies in that field. It is probably true to say, however,
that almost all unusual sightings can be attributed to
a wide range of well known natural phenomena. There are,
of course, a few which defy explanation and thus fuel
the imagination of those who are convinced that there
is 'something going on' out there. Usually, activity of
this kind is accompanied by a rash of ground sightings
in the same geographic area; in this case, as far as is
known, there were no other reports and therefore the incident
has to be viewed in isolation, with no other witnesses.
The resources normally available when investigating airmisses
are pilots' reports, corroborated by radar and RT recordings.
Often, these will provide all the clues necessary, but
in this case, there is no 'reported pilot', and radar
recordings do not show any unknown contacts. The lack
of a radar contact is not necessarily unusual if weather
suppressors are in use on radar, particularly if the object
generates a poor radar response. In these conditions,
the radar an interpret a non-transponding (primary) contact
as weather, and therefore disregards it. Enquiries into
military activity did not reveal any ac in the area at
the time, and it was considered inconceivable that such
activity would take place so close to a busy airport without
some sort of prior notification. Members put forward other
suggestions, such as large model aircraft or commercially
operated remotely controlled craft, such as those which
are used for survey or photographic work. Considering
the prevailing conditions - darkness, high ground, strong
NW wind and the proximity of a major international airport
- the Group felt that this kind of activity, together
with the hang glider/microlight theory, could not be regarded
as a realistic possibility. As was pointed out by one
member, however, the extreme actions of a foolhardy individual
cannot be entirely ruled out and there remains, therefore,
the possibility that someone, perhaps in a microlight
ac (which most accurately fits the shape described ),
had defied the conditions and got airborne. Further talks
with the microlight experts on this idea highlighted the
extreme improbability; the strong wind, terrain and darkness
would have rendered such a flight almost suicidal.
Having
debated the various hypotheses at length the Group concluded
that, in the absence of any firm evidence which could
identify or explain this object, it was not possible to
assess either the cause or the risk to any of the normal
criteria applicable to airmiss reports. The incident therefore
remains unresolved.
PART
C: ASSESSMENT OF RISK AND CAUSE
Degree
of Risk: Unassessable
Cause:
Unassessable
Source:
http://www.ufoevidence.org/cases/case31.htm