Appendix X
The Battle of Britain: The Preliminary Phase Summary of Operations
10th July to 12th August, 1940

Date Main Events Day
sorties
by
Fighter
Command
British
fighter
losses
(24
hours)
German
losses
(24
hours)

10th July

Rather heavy attacks on shipping.

609

6

13

11th July

Rather heavy attacks on ports and shipping.

432

4

20

12th July

Attacks on ports and shipping.

670

6

7

13th July

Attacks on shipping.

449

1

7

14th July

Attacks on shipping.

593

4

2

15th July

Numerous attacks on shipping.

470

1

3

16th July

Bad weather; little activity.

3i3

2

3

17th July

Indifferent weather; some attacks on shipping and other targets.

253

1

2

18th July

Attacks on ports and shipping.

549

3

4

19th July

Attacks on Dover, leading to fierce combats in which Defiants of No. 141 Squadron suffered heavily.

701

8

2

20th July

Attacks on shipping at and off Dover and in Lyme Bay.

611

3

9

21st July

Attacks on shipping.

57'

6

9

22nd July

A few attacks on ports and shipping.

611

--

1

23rd July

A few attacks on shipping and other targets.

470

--

3

24th July

Attacks on shipping; lively combats.

561

3

8

25th July

Heavy and repeated attacks on shipping off Dover. British fighters frequently outnumbered.

641

7

18

26th July

Few attacks, but some lively combats.

581

2

4

27th July

Repeated attacks on shipping at and off Dover.

496

1

4

28th July

Few attacks, but some lively combats.

794

5

18

29th July

Rather heavy attacks on shipping at Dover and in Channel.

758

3

8

30th July

Attacks on shipping.

688

--

5

31st July

Attacks on shipping and on balloons at Dover.

395

3

5

1st August

Attacks on shipping.

659

1

9

2nd August

Attacks on shipping.

477

--

4

3rd August

Attacks on shipping.

415

--

4

4th August

Attacks on shipping.

261

--

--

5th August

Attacks on shipping.

402

1

6

6th August

Attacks on shipping.

416

1

1

7th August

Attacks on shipping.

393

--

2

8th August

Heavy attacks on shipping.

621

*20

3i

9th August

Attacks on shipping.

409

*4

5

10th August

Attacks on shipping.

336

--

--

11th August

Heavy attacks on shipping, Portland and balloons at Dover.

679

32

38

12th August

Widespread attacks on shipping, radar stations, aerodromes and other targets.

732

22

31

Totals

18,016

150

286


NOTE
* Includes one at night.

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Transcribed and formatted for HTML by Patrick Clancey, HyperWar Foundation