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

18/10/2022 10:00:57

UK Postcode

OLYMPIC-PARK , LONDON , E20 1AA

Baseline geo-coordinates

51.5479 , -0.007389

Survey type

31 Day. Based on the 31 days prior to the survey date shown above.

Assessment band

VERY HIGH

Assessment actual value

26.56

Assessment description

Sound equates to a busy Dual Carriageway or Motorway i.e. very regular traffic that will be noticeable at peak times which includes evenings and weekends. Location is on a flight path or primary flight corridor and subject to Arrivals and/or Departures. At times there will be multiple flight occurrences within the same hour, typically between 10 to 20.

Band range

Lower: 20.0 --> Upper: 30.0

Volumes, Height bands, and Intensity.

For Assessment / Daily Avg. / Hourly Avg.

Count of ALL flights

6,545 / 211.1 / 12.4 ❌ (1,863)

Flights above 26k feet.

524 / 16.9 / 1.0 ❌ (382)

Flights between 16k and 26k feet

212 / 6.8 / 0.4 ❌ (175)

Flights between 13k and 15k feet

50 / 1.6 / 0.1 ✔

Flights between 7k and 12k feet

173 / 5.6 / 0.3 ✔

Flights between 6k and 7k feet

1,139 / 36.7 / 2.2 ❌ (131)

Flights between 5k and 6k feet

2,046 / 66.0 / 3.9 ❌ (209)

Flights between 4k and 5k feet

632 / 20.4 / 1.2 ❌ (205)

Flights between 3k and 4k feet

638 / 20.6 / 1.2 ❌ (170)

Flights below 3k feet

1,131 / 36.5 / 2.1 ❌ (341)

4 or more flights per hour

455 / 14.7 ❌ (127)

9 or more flights per hour

353 / 11.4 ❌ (49)

Departures between 1.5k and 15k feet

467 / 15.1 / 0.9 ❌ (238)

Time and Sleep Analysis

For Assessment / Daily Avg. / Hourly Avg.

0 AM

10 / 0.3

1 AM

15 / 0.5

2 AM

12 / 0.4

3 AM

18 / 0.6

4 AM

14 / 0.5

5 AM

48 / 1.5

6 AM

407 / 13.1

7 AM

552 / 17.8

8 AM to 9 PM

5,362 / 173.0 / 12.4

10 PM

63 / 2.0

11 PM

31 / 1.0

Other Noise Disturbance, Vibration and Emissions factors

Time in seconds an aircraft existed in the airspace bubble

24 ❌ (22)

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

41 ✔

Minimum avg. distance in miles

0.43

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

191.0 / 79.0 / 10.1 ❌ (42)

Flight holding stack identified?

No

Altitude for all flights

7,718 ❌ (16,104)

Altitude of departures between 1.5k and 15k feet

3,059 ❌ (7,653)

Altitude of flights below 20k feet

5,273 ❌ (7,553)

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

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

39.00

Tuesday @ 7:00 - 4 time(s) in 4 weeks. Approx:22 flight events.

38.00

Monday @ 8:00 - 4 time(s) in 4 weeks. Approx:21 flight events.

32.60

Monday @ 18:00 - 4 time(s) in 4 weeks. Approx:18 flight events.

32.50

Monday @ 9:00 - 4 time(s) in 4 weeks. Approx:18 flight events.

31.10

Sunday @ 15:00 - 4 time(s) in 4 weeks. Approx:17 flight events.

30.90

Tuesday @ 8:00 - 4 time(s) in 4 weeks. Approx:16 flight events.

30.40

Monday @ 15:00 - 4 time(s) in 4 weeks. Approx:16 flight events.

28.70

Monday @ 19:00 - 4 time(s) in 4 weeks. Approx:15 flight events.

28.00

Monday @ 6:00 - 4 time(s) in 4 weeks. Approx:15 flight events.