December
| Date | Launch | Boat |
|---|---|---|
| 21st December 2011 | Search for Small Drifting Dinghy | Both |
November
| Date | Launch | Boat |
|---|---|---|
| 19th November 2011 | Investigating a Report of a Suspected Upturned Dinghy | ILB |
October
| Date | Launch | Boat |
|---|---|---|
| 29th October 2011 | Yacht 'Frejya' Taking on Water | Both |
| 29th October 2011 | Yacht 'Capella Endeavour' Disabled and Drifting | AWL |
| 1st October 2011 | Report of a Broken Down Dinghy | ILB |
September
| Date | Launch | Boat |
|---|---|---|
| 28th September 2011 | Person in Water Reported in Trouble | ILB |
| 1st September 2011 | Two Persons in the Water from Capsized Dinghy | ILB |
August
| Date | Launch | Boat |
|---|---|---|
| 24th August 2011 | Elderly Person Missing From a Care Home | ILB |
| 21st August 2011 | Four Young Persons Stranded at the Entrance to Pagham Harbour | ILB |
| 5th August 2011 | Two Persons in the Water from Capsized Kayak | ILB |
| 2nd August 2011 | Man in Water from Capsized Dinghy | ILB |
July
| Date | Launch | Boat |
|---|---|---|
| 15th July 2011 | Yacht 'Blue Moon' In Difficulties | AWL |
| 14th July 2011 | 18-Foot Angling Boat 'Northern Sole' with Steering Failure | Both |
| 10th July 2011 | Assistance Given to Broken Down Angling Boat Lesley Ann | AWL |
| 3rd July 2011 | Assistance Provided to Yacht ‘Nenriki’ Becalmed and Drifting with a Fouled Propeller | AWL |
June
| Date | Launch | Boat |
|---|---|---|
| 21st June 2011 | Launch to Assist 30-Foot Yacht Sapphire with Loss of Engine Power | AWL |
| 7th June 2011 | 22-Foot Motor Boat Struck the Mixon Rocks and Lost its Propeller | Both |
| 6th June 2011 | Launch to Assist 23-Foot Fishing Boat with a Fouled Propeller | AWL |
| 4th June 2011 | Launch to Assist Two Persons and a Dog in the Water off of Pagham Harbour | ILB |
May
| Date | Launch | Boat |
|---|---|---|
| 29th May 2011 | Report of a Kite Boarder in Difficulties | ILB |
| 28th May 2011 | Launch to Assist 9-Metre Motor Boat 'Nordic Dawn' | ILB |
| 15th May 2011 | Report of a Person Being Thrown in the Sea at Midnight | ILB |
| 5th May 2011 | Launch to Investigate Report of Capsized Boat | ILB |
April
| Date | Launch | Boat |
|---|---|---|
| 29th April 2011 | 25-Foot Yacht 'Karla' Aground on Mixon Rocks | Both |
| 27th April 2011 | Search for Potentially Suicidal Female | ILB |
| 20th April 2011 | Launch to Assist Single-Handed Yachtsman Becalmed and Broken Down | AWL |
March
| Date | Launch | Boat |
|---|---|---|
| 27th March 2011 | Launch to Assist Yacht 'Katrina' and Motor Boat 'Mottley Crew II' | AWL |
| 27th March 2011 | Yacht 'Katrina' Aground on Kirk Arrow | ILB |
| 21st March 2011 | Persons on Shingle Bank Cut off by Tide | ILB |
February
| Date | Launch | Boat |
|---|---|---|
| 21st February 2011 | Attempt to Refloat Stranded Angling Boat | ILB |
January
| Date | Launch | Boat |
|---|---|---|
| 31st January 2011 | Recovery of Drifting Dinghy ‘Muff’ | ILB |
| 23rd January 2011 | Surfer Reported in Difficulties | ILB |