Table 11.

Measured sound levels for the aircraft B787-900 (flight 2), total measurement duration 24 m 7 s, entire trip duration 6 h 12 m.

Segment	Duration (s)	$L_{\mathit{eq}}$ [dB(A)]	$L_{\mathit{max}}$ [dB(A)]	$L_{\mathit{eq}}$ [dB(C)]	$L_{\mathit{max}}$ [dB(C)]	Flight stage
1	45.0	68.0	70.1	85.9	90.0	Taxiing
2	158.3	76.2	82.0	94.7	101.0	Takeoff
3	148.4	72.7	77.1	87.9	91.9	Cruising
4	43.5	73.9	75.0	87.8	89.0	Cruising
5	70.2	72.5	73.2	87.1	88.4	Cruising
6	70.2	72.7	73.7	87.8	89.1	Cruising
7	73.2	71.9	72.4	87.7	88.9	Cruising
8	40.7	71.6	72.4	86.5	87.8	Cruising
9	46.6	73.0	74.1	86.5	87.3	Cruising
10	63.2	70.1	70.8	85.4	86.3	Cruising
11	79.3	76.9	79.9	94.0	97.7	Cruising
12	96.4	76.1	81.2	91.9	96.6	Cruising
13	60.2	74.6	75.5	90.6	92.6	Landing