|SUMMARY REPORT ON OBSERVATIONS
30-31 MARCH 1990
Starting early Dec 89 the BAF has been contacted on several occasions
by eyewitnesses who observed strange phenomena in the Belgian airspace.
On some occassions they described the phenomena as a triangle-shaped
platform up to 200 feet wide with 3 downward beaming projectors,
hovering at +- 100 m above the ground and making only a very light
humming noise. Some witnesses saw the object departing at very high
speed after a very fast acceleration. All observations were made
in the evening or during the night.
2. The radar stations which
had been alerted by eyewitnesses could not definitely determine
a correlation between the visual observations and their detections
on radar. On two occasions the BAF scrambled 2 F16 during the evening
a. On the first occasion
the F16 arrived +- 1 hour after the visual detection. Nothing
b. On the second occassion,
pilots could identify a laser-beam projector on the ground. After
investigation it appeared however that the description of the
observations totally differed from previously described phenomena.
3. Consequently the Belgian
Airforce, anxious to identify the origin of the phenomena, authorised
F16 scrambles if following conditions were met:
a. Visual observations on
the ground confirmed by the local police.
b. Detection on radar.
4. On 30 Mar 1990 at 23.00
Hr the Master Controller (MC) of the Air Defence radar station of
Glons received a phone call from a person who declared to observe
three independant blinking lights in the sky, changing colours,
with a much higher intensity than the lights of the stars and forming
a triangle. Meteo conditions were clear sky, no clouds, light wind
and a minor temperature inversion at 3000 Ft.
5. The MC in turn notified
the police of WAVRE which confirmed the sighting at +- 23 30 Hr.
Meanwhile the MC had identified a radar contact at about 8 NM North
of the ground observation. The contact moved slowely to the West
at a speed of =- 25kts and an altitude of 10.000 Ft.
6. The ground observers reported
3 additional light spots which moved gradually, with irregular speeds,
towards the first set of lights and forming a second triangle.
7. At 23.50 a second radar
station, situated at +- 100 NM >from the first, confirmed an identical
contact at the same place of the radar contact of Glons.
8. At 00.05 Hr 2 F16 were
scrambled from BEAUVECHAIN airbase and guided towards the radar
contacts. A total of 9 interception attempts have been made. At
6 occasions the pilots could establish a lock-on with their air
interception radar. Lock-on distances varried between 5 and 8 NM.
On all occasions targets varied speed and altitude very quickly
and break-locks occured after 10 to 60 seconds. Speeds varied between
150 and 1010 kts. At 3 occasions both F16 registered simultaneous
lock-ons with the same parameters. The 2 F16 were flying +- 2 NM
apart. No visual contact could be established by either of the F16
9. The F16 flew 3 times through
the observation field of the ground observers. At the third passage
the ground observers notified a change in the behaviour of the light
spots. The most luminous started to blink very intensively while
the other disappeared. Consequently, the most luminous spot started
to dim gradually.
10. Meanwhile the head of
the police of WAVRE had alerted 4 other police stations in the area.
All four, seperated +- 10 NM from each other, confirmed the visual
11. The aircraft landed at
01.10 Hrs. The last visual observation was recorded at +- 01.30
12. The BELGIAN Airforce was
unable to identify neither the nature nor the origin of the phenomena.
However, it had sufficient elements to exclude following assumptions:
a. Balloons. Impossible
due to the highly variable speeds (confirmed visually and by radar).
b. ULM. Same as for balloons.
c. RPV. Impossible due to the hovering characteristics.
d. Aircraft (including Stealth). Same as for RPV. No noise.
e. Laser projections or Mirages. Unlikely due to lack of
projection surface (no clouds). Light spots have been observed
from different locations. Light spots moved over distance of more
than 15 NM. Form of inlighted part of spots has been observed
with spectacles. Laser projections or mirages can not be detected
W. DE BROUWER
Kol Vl SBH
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