Duration of interaction
(minutes)
% (#) of boats following protocol% (#) of boats not following protocol
<1039.5 (30)58.5 (62)
10-3043.4 (33)29.2 (31)
30-601.3 (1)9.4 (10)
>6015.8 (12)2.8 (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 responses199418
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 31 (15.7%)
No, did not follow protocol, interaction lasted 30 to 60 minutes 10 (5.1%)
No, did not follow protocol, interaction lasted less than 10 minutes 62 (31.3%)
No, did not follow protocol, interaction lasted more than 60 minutes 3 (1.5%)
Yes, followed protocol, interaction lasted 10 to 30 minutes 33 (16.7%)
Yes, followed protocol, interaction lasted 30 to 60 minutes 17 (8.6%)
Yes, followed protocol, interaction lasted less than 10 minutes 30 (15.2%)
Yes, followed protocol, interaction lasted more than 60 minutes 12 (6.1%)
Interaction - Was a tow required?
Did not answer2
No 161 (81.7%)
Yes 36 (18.3%)
Interaction - Was the boat damaged and in need of repair?
Did not answer2
No 68 (34.5%)
Yes, extensive - major works required 43 (21.8%)
Yes, minor - will wait until the end of the season 14 (7.1%)
Yes, moderate - immediate repairs required 72 (36.5%)
Uneventful passage - Orcas seen or not
Did not answer1
No402 (96.4%)
Yes 15 (3.6%)
Boat Type
Did not answer1
Fishing Vessel 1 (0.5%)
Motor 3 (1.5%)1 (0.2%)
Sail 195 (98.0%)416 (99.8%)
Boat length (metres)
10 - 12.5m 79 (39.7%)166 (39.7%)
12.5 - 15m 69 (34.7%)168 (40.2%)
Over 15m 42 (21.1%)64 (15.3%)
Under 10m 9 (4.5%)20 (4.8%)
Hull topsides colour
Dark colour 30 (15.2%)79 (18.9%)
Did not answer21
White/light 167 (84.8%)338 (81.1%)
Motoring or sailing
Did not answer32
Hove-to 1 (0.5%)1 (0.2%)
Motoring 68 (34.7%)83 (20.0%)
Motorsailing 67 (34.2%)187 (45.0%)
Sailing 60 (30.6%)145 (34.9%)
Speed (knots)
0 - 2 4 (2.0%)2 (0.5%)
3 - 4 32 (16.2%)33 (7.9%)
5 - 7 142 (72.1%)362 (86.8%)
8 - 11 19 (9.6%)20 (4.8%)
Did not answer21
Rudder
Spade 87 (45.3%)206 (49.4%)
Twin rudder 46 (24.0%)79 (18.9%)
Did not answer71
Full skeg 27 (14.1%)67 (16.1%)
Keel hung 9 (4.7%)16 (3.8%)
Semi skeg 23 (12.0%)49 (11.8%)
Antifoul colour
Black 88 (44.7%)115 (27.8%)
Blue 54 (27.4%)131 (31.7%)
Coppercoat 14 (7.1%)72 (17.4%)
Did not answer25
Green 4 (2.0%)9 (2.2%)
Other 9 (4.6%)12 (2.9%)
Red 15 (7.6%)34 (8.2%)
White 13 (6.6%)40 (9.7%)
Autopilot
Did not answer61
Off 47 (24.4%)54 (12.9%)
On 146 (75.6%)363 (87.1%)
Trailing a dinghy or other inflatable?
Did not answer41
No 194 (99.5%)408 (97.8%)
Towing and interacted with inflatable first 1 (0.5%)
Yes 9 (2.2%)
Depth gauge
Did not answer63
Off 17 (8.8%)53 (12.8%)
On 176 (91.2%)362 (87.2%)
Cloud cover
0 - 25% 110 (57.9%)206 (53.2%)
25 - 50% 43 (22.6%)88 (22.7%)
50 - 75% 16 (8.4%)50 (12.9%)
75 - 100%21 (11.1%)43 (11.1%)
Did not answer931
Darkness or daylight (select more than one if applicable)
Dawn 17 (8.5%)1 (0.2%)
Day 139 (69.8%)298 (71.3%)
Dusk 15 (7.5%)14 (3.3%)
Night 28 (14.1%)105 (25.1%)
Depth (metres)
20 - 40m 18 (9.2%)144 (36.1%)
200m+62 (31.8%)67 (16.8%)
40 - 200m 113 (57.9%)114 (28.6%)
Did not answer419
Up to 20m 2 (1.0%)74 (18.5%)
Distance off land (nautical miles)
0 - 2 21 (10.6%)163 (39.9%)
2 - 5 54 (27.3%)128 (31.3%)
5 - 10 48 (24.2%)49 (12.0%)
Did not answer19
Over 10 75 (37.9%)69 (16.9%)
Sea state
Calm 120 (61.5%)210 (50.5%)
Did not answer42
Moderate 60 (30.8%)187 (45.0%)
Rough 15 (7.7%)19 (4.6%)
Wind speed (Beaufort)
0 - 2 (0 - 6 knots) 69 (35.2%)107 (25.8%)
3 - 4 (7 - 16 knots) 82 (41.8%)202 (48.7%)
5 - 6 (17 - 27 knots) 38 (19.4%)88 (21.2%)
7+ (28 knots+)7 (3.6%)18 (4.3%)
Did not answer33
Were you trailing a fishing lure when the interaction commenced?
Did not answer130263
No 62 (89.9%)140 (90.3%)
Yes 7 (10.1%)15 (9.7%)
During the Interaction did one or more orcas make physical contact with the boat?
Did not answer130
No 15 (21.7%)
Yes 54 (78.3%)
If no, how close were the orcas to the boat in metres
Did not answer199
Adult
Did not answer153
116 (34.8%)
217 (37.0%)
35 (10.9%)
45 (10.9%)
52 (4.3%)
61 (2.2%)
Juvenile
Did not answer176
17 (30.4%)
212 (52.2%)
31 (4.3%)
41 (4.3%)
52 (8.7%)
Uncertain
Did not answer173
14 (15.4%)
26 (23.1%)
36 (23.1%)
43 (11.5%)
55 (19.2%)
61 (3.8%)
71 (3.8%)
State of tide
Not within 3 days of springs119 (59.8%)265 (63.4%)
Within 3 days of spring tide80 (40.2%)153 (36.6%)