Duration of interaction
(minutes)
% (#) of boats following protocol% (#) of boats not following protocol
<1035.7 (30)59.6 (68)
10-3039.3 (33)28.9 (33)
30-6023.8 (20)8.8 (10)
>601.2 (1)2.6 (3)

Percentages below are of the number of respondents to the particular question who had an interaction/uneventful passage as appropriate. Note - where not all respondents answered a question the number who did not answer is shown. If you intend to conduct your own analysis, please use raw numbers and work out percentages according to your needs.

Interaction
# (%)
Uneventful
# (%)
Number of responses211432
Did you follow the GTOA protocol (drop sails, stop boat, engine off and keep a low profile) and how long did the interaction continue?
Did not answer1
No, did not follow protocol, interaction lasted 10 to 30 minutes 33 (15.7%)
No, did not follow protocol, interaction lasted 30 to 60 minutes 10 (4.8%)
No, did not follow protocol, interaction lasted less than 10 minutes 68 (32.4%)
No, did not follow protocol, interaction lasted more than 60 minutes 3 (1.4%)
Yes, followed protocol, interaction lasted 10 to 30 minutes 33 (15.7%)
Yes, followed protocol, interaction lasted 30 to 60 minutes 20 (9.5%)
Yes, followed protocol, interaction lasted less than 10 minutes 30 (14.3%)
Yes, followed protocol, interaction lasted more than 60 minutes 13 (6.2%)
Interaction - Was a tow required?
Did not answer2
No 172 (82.3%)
Yes 37 (17.7%)
Interaction - Was the boat damaged and in need of repair?
Did not answer2
No 70 (33.5%)
Yes, extensive - major works required 47 (22.5%)
Yes, minor - will wait until the end of the season 19 (9.1%)
Yes, moderate - immediate repairs required 73 (34.9%)
Uneventful passage - Orcas seen or not
Did not answer1
No415 (96.3%)
Yes16 (3.7%)
Boat Type
Did not answer1
Fishing Vessel 1 (0.5%)
Motor 4 (1.9%)2 (0.5%)
Sail 206 (97.6%)429 (99.5%)
Boat length (metres)
10 - 12.5m82 (38.9%)168 (38.9%)
12.5 - 15m71 (33.6%)178 (41.2%)
Over 15m 45 (21.3%)66 (15.3%)
Under 10m 13 (6.2%)20 (4.6%)
Hull topsides colour
Dark colour 32 (15.3%)80 (18.6%)
Did not answer21
White/light 177 (84.7%)351 (81.4%)
Motoring or sailing
Did not answer32
Hove-to 1 (0.5%)1 (0.2%)
Motoring 70 (33.7%)86 (20.0%)
Motorsailing 73 (35.1%)195 (45.3%)
Sailing 64 (30.8%)148 (34.4%)
Speed (knots)
0 - 24 (1.9%)2 (0.5%)
12+1 (0.2%)
3 - 433 (15.8%)34 (7.9%)
5 - 7151 (72.2%)374 (86.8%)
8 - 1121 (10.0%)20 (4.6%)
Did not answer21
Rudder
Did not answer81
Full skeg 28 (13.8%)69 (16.0%)
Keel hung 9 (4.4%)16 (3.7%)
Semi skeg 24 (11.8%)49 (11.4%)
Spade 94 (46.3%)216 (50.1%)
Twin rudder 48 (23.6%)81 (18.8%)
Antifoul colour
Black 95 (45.5%)116 (27.2%)
Blue 56 (26.8%)134 (31.4%)
Coppercoat16 (7.7%)78 (18.3%)
Did not answer25
Green 4 (1.9%)9 (2.1%)
Other 9 (4.3%)12 (2.8%)
Red 15 (7.2%)35 (8.2%)
White 14 (6.7%)43 (10.1%)
Autopilot
Did not answer71
Off 51 (25.0%)56 (13.0%)
On 153 (75.0%)375 (87.0%)
Trailing a dinghy or other inflatable?
Did not answer41
No 205 (99.0%)422 (97.9%)
Towing and interacted with boat first 1 (0.5%)
Towing and interacted with inflatable first 1 (0.5%)
Yes 9 (2.1%)
Depth gauge
Did not answer63
Off 18 (8.8%)56 (13.1%)
On 187 (91.2%)373 (86.9%)
Cloud cover
0 - 25%119 (58.9%)215 (53.6%)
25 - 50%45 (22.3%)91 (22.7%)
50 - 75%17 (8.4%)51 (12.7%)
75 - 100%21 (10.4%)44 (11.0%)
Did not answer931
Darkness or daylight (select more than one if applicable)
Dawn 17 (8.1%)129 (16.8%)
Day 149 (70.6%)421 (54.7%)
Dusk 17 (8.1%)111 (14.4%)
Night 28 (13.3%)109 (14.2%)
Depth (metres)
12 (1.0%)
20 - 40m20 (9.7%)145 (35.3%)
200m+64 (30.9%)70 (17.0%)
40 - 200m121 (58.5%)118 (28.7%)
Did not answer421
Up to 20m 78 (19.0%)
Distance off land (nautical miles)
0 - 223 (11.0%)168 (39.9%)
2 - 556 (26.7%)128 (30.4%)
478 (37.1%)
5 - 1053 (25.2%)52 (12.4%)
Did not answer111
Over 10 73 (17.3%)
Sea state
Calm 128 (61.8%)221 (51.4%)
Did not answer42
Moderate 63 (30.4%)190 (44.2%)
Rough 16 (7.7%)19 (4.4%)
Wind speed (Beaufort)
0 - 2 (0 - 6 knots)73 (35.1%)110 (25.6%)
3 - 4 (7 - 16 knots)88 (42.3%)210 (49.0%)
5 - 6 (17 - 27 knots)40 (19.2%)91 (21.2%)
7+ (28 knots+)7 (3.4%)18 (4.2%)
Did not answer33
Were you trailing a fishing lure when the interaction commenced?
Did not answer130263
No 71 (87.7%)154 (91.1%)
Yes 10 (12.3%)15 (8.9%)
During the Interaction did one or more orcas make physical contact with the boat?
Did not answer130
No 16 (19.8%)
Yes 65 (80.2%)
If no, how close were the orcas to the boat in metres
Did not answer211
Adult
117 (32.7%)
218 (34.6%)
37 (13.5%)
45 (9.6%)
53 (5.8%)
62 (3.8%)
Did not answer159
Juvenile
18 (30.8%)
213 (50.0%)
31 (3.8%)
42 (7.7%)
52 (7.7%)
Did not answer185
Uncertain
18 (25.8%)
26 (19.4%)
36 (19.4%)
43 (9.7%)
56 (19.4%)
61 (3.2%)
71 (3.2%)
Did not answer180
State of tide
Not within 3 days of springs125 (59.2%)270 (62.5%)
Within 3 days of spring tide86 (40.8%)162 (37.5%)