13 Trade receivables

(CHF 1,000)

 

31.12.2017

 

31.12.2016

Trade receivables 1)

 

110,663

 

112,147

Impairment allowance

 

–761

 

–1,282

Total trade receivables, net

 

109,902

 

110,865

1) Trade receivables include an amount of CHF 27.1 million due from Swiss (2016: CHF 35.3 million). In the period between the balance sheet date and the preparation of the 2017 annual report, Swiss had paid the outstanding amount arising from airport charges in full as at 31 December 2017.

Geographical distribution of trade receivables:

(CHF 1,000)

 

31.12.2017

 

31.12.2016

Switzerland

 

41,927

 

46,970

Europe

 

10,004

 

9,484

Other

 

6,031

 

5,790

Total aviation

 

57,962

 

62,244

Switzerland

 

50,400

 

48,634

Europe

 

247

 

93

India

 

0

 

6

Latin America

 

1,973

 

1,096

Other

 

81

 

74

Total non-aviation

 

52,701

 

49,903

Total trade receivables

 

110,663

 

112,147

Classification of receivables by maturity as at the reporting date:

 

 

Trade receivables gross

 

Individual allowance

 

Collective allowance

 

Trade receivables gross

 

Individual allowance

 

Collective allowance

(CHF 1,000)

 

31.12.2017

 

31.12.2017

 

31.12.2017

 

31.12.2016

 

31.12.2016

 

31.12.2016

Not past due

 

88,719

 

–192

 

–418

 

104,647

 

–674

 

–522

Past due, 0 to 30 days

 

12,269

 

–27

 

–58

 

4,273

 

–28

 

–21

Past due, 31 to 60 days

 

1,428

 

–3

 

–7

 

1,021

 

–7

 

–5

Past due, more than 61 days

 

8,247

 

–18

 

–38

 

2,206

 

–14

 

–11

Total

 

110,663

 

–240

 

–521

 

112,147

 

–723

 

–559

The impairment allowance changed as follows in the reporting period:

 

 

Individual allowance

 

Collective allowance

 

Total allowance

(CHF 1,000)

 

2017

 

2016

 

2017

 

2016

 

2017

 

2016

Balance as at 1 January

 

–723

 

–491

 

–559

 

–490

 

–1,282

 

–1,282

Change

 

483

 

–232

 

38

 

–69

 

520

 

–301

Balance as at 31 December

 

–240

 

–723

 

–521

 

–559

 

–761

 

–1,282

In almost all cases, receivables not past due concern long-standing client relationships. Based on past experience, Flughafen Zürich AG does not expect any additional credit losses.