Recognition and Equipment information
	Class 421 (4-CIG) & Class 420/422 (4-BIG)

Painted in blue-grey livery, Portsmouth line CIG No. 7351 is viewed from its three first class compartment end at Longhedge Junction, while en route from Stewarts lane to Wimbledon. These low-density CIG sets are immediately recognisable from the similar VEP stock by having less passenger doors per vehicle and the compartments at the outer end of the driving cars. CJM.

The first 36 of the CIG build and the first 18 BIG sets were fitted with electric parking brake equipment. Under the 1980s/90s facelift these were renumbered in the 7xx series. No. 1714 is seen approaching Southampton painted in NSE livery and with a headlight mounted in the front door. CJM

Under 1990s privatisation the CIG stock became operated by South West Trains and Connex SouthCentral. Phase 2 set No. 1837 fitted with manual handbrake, painted in Connex yellow/white livery is seen near Northam Junction. The second vehicle of the train is the power car. CJM

CIG sets numbered in the 13xx series are allocated to South west Trains and are often refereed to as 'greyhound' sets, these are fitted with an extra stage of field weakening to give a faster rate of acceleration Eight sets numbered in the 139x series are former BIG sets with a former CEP TSO coupled in place of the original buffet car. Set No. 1303 painted in SWT livery is seen at Poole. CJM

The eight CIG sets numbered in the 190x series have one driving car declassified for all standard class patronage, on these sets the first class end has a No. 1 painted on the cab end to help passengers identify the correct end of the train. Set 1906 is seen departing Southampton bound for Bournemouth.CJM

CIG interior. On the left is a second/standard class interior of a phase one set, while on the right is the second/standard interior of a phase 2 set. Both: CJM

The 3COP sets are allocated to Brighton and are usually seen on the Coastway route, On the right we see the interior of the driving car showing the area once occupied by the sox seat compartments. Both: CJM

In the period before the formation of Network SouthEast, the London and Southeast operating division was formed which adopted this beige, orange and brown livery which became known as 'Jaffa Cake'. The colours were only worn by a handful of sets before NSE colours were adopted. Set 1703 is seen in the works yard at Eastleigh. CJM.

A 4-BIG set painted in NSE livery with its out of use buffer car marshalled behind the leading car. These buffet cars had a counter and small food preparation area at one end and second/standard class seating at the other. CJM

4BIG buffet car viewed from the counter walkway side from the seating end. On the usually empty underframe is a motor generator set to provide power for the catering and a tank for catering water supplies. CJM

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