Assessment ScoreCard – 31 Day

Assessment Scorecard headlines

All Assessments are based on an ambient background noise of 40 decibels i.e. a quiet residential area. If your property is located near to a busy road i.e. 70-75 decibels, the noise impact from aircraft will be significantly reduced, whilst the road remains busy.

Note: Airborne aircraft noise is typically in the range of 45dB - 65dB for heights below 26,000 feet and for a duration of 30-50 seconds. Whereas the average car, bus or HGV the duration is only a few seconds.

Date of survey

03/08/2022 16:26:16

UK Postcode

SHORNE , KENT , DA12 3EA

Baseline geo-coordinates

51.4142 , 0.430692

Survey type

31 days from the 1st date shown in the Evidence table below .

Assessment band

INTERMITTENT

Assessment actual value

5.22

Assessment description

Sound equates to a "C" road or an active country lane i.e. irregular traffic volumes. Location is on a flight route as opposed to a flight corridor. Some of the flights will be below 7000 feet and could occur at evenings and weekends.

Band range

Lower: 4.0 --> Upper: 7.0

Volumes, Height bands, and Intensity.

For Assessment / Daily Avg. / Hourly Avg.

Count of ALL flights

1,970 / 63.5 / 3.7 ✔

Flights above 26k feet.

1,096 / 35.4 / 2.1 ❌ (656)

Flights between 16k and 26k feet

70 / 2.3 / 0.1 ✔

Flights between 13k and 15k feet

82 / 2.6 / 0.2 ✔

Flights between 7k and 12k feet

111 / 3.6 / 0.2 ✔

Flights between 6k and 7k feet

2 / 0.1 / 0.0 ✔

Flights between 5k and 6k feet

7 / 0.2 / 0.0 ✔

Flights between 4k and 5k feet

66 / 2.1 / 0.1 ✔

Flights between 3k and 4k feet

376 / 12.1 / 0.7 ❌ (266)

Flights below 3k feet

160 / 5.2 / 0.3 ✔

4 or more flights per hour

56 / 1.8 ✔

9 or more flights per hour

0 / 0.0 ✔

Departures between 1.5k and 15k feet

164 / 5.3 / 0.3 ✔

Time and Sleep Analysis

For Assessment / Daily Avg. / Hourly Avg.

0 AM

16 / 0.5

1 AM

18 / 0.6

2 AM

10 / 0.3

3 AM

11 / 0.4

4 AM

15 / 0.5

5 AM

54 / 1.7

6 AM

49 / 1.6

7 AM

98 / 3.2

8 AM to 9 PM

1,534 / 49.5 / 3.5

10 PM

59 / 1.9

11 PM

33 / 1.1

Other Noise Disturbance, Vibration and Emissions factors

Time in seconds an aircraft existed in the airspace bubble

17 ✔

Percentage of overflying occuring Out-Of-Hours and at Weekends

39 ✔

Minimum avg. distance in miles

0.44

Number of possible disruptions by; day / out-of-hours / hour

22.0 / 8.0 / 1.2 ✔

Flight holding stack identified?

No

Altitude for all flights

23,036 ✔

Altitude of departures between 1.5k and 15k feet

11,337 ✔

Altitude of flights below 20k feet

6,178 ❌ (7,968)

Busiest times of day
(Distruption: 0 - low, 25+ high)

Day of week, time, frequency and number of flight events.

5.80

Thursday @ 14:00 - 4 time(s) in 4 weeks. Approx:3 flight events.

7.38

Thursday @ 13:00 - 4 time(s) in 4 weeks. Approx:4 flight events.

6.50

Friday @ 19:00 - 4 time(s) in 4 weeks. Approx:4 flight events.

6.38

Friday @ 20:00 - 4 time(s) in 4 weeks. Approx:4 flight events.

6.13

Saturday @ 12:00 - 4 time(s) in 4 weeks. Approx:4 flight events.

6.00

Saturday @ 10:00 - 4 time(s) in 4 weeks. Approx:4 flight events.

5.50

Thursday @ 16:00 - 4 time(s) in 4 weeks. Approx:3 flight events.