| 2.21 Noise abatement procedures
2.21.1
GENERAL
2.21.1.1 Landing and/or take-off is forbidden by law between 00:00
and 06:00 LMT, except in cases of force majeure. However, according
to governmental deliberation, exception regime has been granted
for Porto Airport in which landing and/or take-off of aircraft
engaged in commercial aviation or aerial work are allowed in a
limited number.
The authorisation for air movements during this period is conditioned
to:
1. The maximum number of movements allowed (11 daily, 70 weekly,
2.100 yearly)
2. The noise level of the aircraft concerned, in compliance with
ICAO:
| Level 0 |
below 87 EPNdB |
| Level 0.5 |
between 87 EPNdB and 89.9 EPNdB |
| Level 1 |
between 90 EPNdB and 92.9 EPNdB |
| Level 2 |
between 93 EPNdB and 95.9 EPNdB |
| Level 4 |
between 96 EPNdB and 98.9 EPNdB |
| Level 8 |
between 99 EPNdB and 101.9 EPNdB |
| Level 16 |
above 10.,9 EPNdB |
a) Aircraft classified Level 16, cannot be scheduled between 00:00 and 06:00 LMT;
b) Aircraft classified Levels 4 and 8, cannot be scheduled between 02:00 and 05:00 LMT;
c) Aircraft classified Levels 0, 0.5, 1 and 2 no restrictions applicable
3. Aircraft authorised to land during the night period are strictly
forbidden to reverse thrust right after landing;
4. The operating restrictions set out in Item 1 shall not apply
to the following cases of force majeure:
a. Aircraft operating humanitarian, emergency or evacuation missions;
b. Aircraft to come across urgent situations, taking in account
weather, technical failure or flight safety reasons;
c. Air movements subject to an unforeseen schedule alteration
due to abnormal disturbance within Air Traffic Control;
d. Air movements operated up to 01:00 LMT which were actually
scheduled for periods up to 00:00 LMT, due to delays for which
neither the Airport Management Company nor the Operator were to
blame;
e. Air movements from/to Autonomous Regions of Madeira and Azores,
due to meteorological conditions;
f. Landings operated during the period comprised between 05:00/06:00
LMT, due to weather reasons, as far as the arrival had been scheduled
for a time after 06:00 LMT
5. For the purpose of compliance with provision of Item 2 above,
the operator shall, when applying for a slot provide the information
contained in the aircraft manufacturer’s noise certificate.
6. Noise abatement procedures during approach, landing and take.off
shall comply with standards and procedures set in ICAO PANSOPS
Volume I and Portuguese AIP.
7. Aircraft authorised to land and take-off shall comply with
technical characteristics according to ICAO Annex 16 Volume I,
Chapter 3 and Portuguese AIP:
a. For landing: Approach to landing MS 9 equal X EPNdB
b. For Take-off: (take-off PS side-line) / 2 equal X EPNdB
Note: Information contained in the ACFT manufacturer’s
noise data, except for aircraft registered in EU Member-States,
in which applies the data contained in the EASA Form 45 Noise
Certificate issued by the competent Authority of the respective
Member-State.
2.21.1.2 Penalties for non-compliance with slot allocation rules
during the night period.
Penalties for these offences are specified in f) and g), paragraph
2, article 28 of Decree Law 9/2007.
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