reduce vibration and noise in the cabin. The cabin heating system now allowed heated air to be mixed with fresh air and had a new windshield defroster outlet. The instrument panel's layout was changed, and the control yokes now had open tops. The stroke of the nosewheel's oleo strut was shortened from to . Both of the old electrical generators, 20-ampere and 35-ampere, were replaced by a new 60-ampere alternator. The anti-collision beacon (standard on the Commuter, optional elsewhere) was changed from the old motorized revolving type to a new flashing type. Separately adjustable bucket seats were now standard for the Commuter and could be either fabric- or vinyl-covered. The Commuter got standard wall-to-wall carpet. Tinted windows were a new option. The 150G was also the first Cessna 150 variant certified for floats. For floatplane operation it used a larger diameter propeller and had a gross weight of . A total of 2114 150G models were built by Cessna; another 152 were built by Reims in France as the F150G. 150H The 1968 model, the 150H, differed externally from the 150G only in adding streamlined speed fairings at the ends of the wing struts. The electric flap switch was now a three-way switch: when pushed upward to raise flaps, it would stay in that position, making this operation "hands-off", but lowering the flaps still required holding the switch downward. The flap position indicator was now vertical, on the left front doorpost, and the center console was narrowed to improve legroom. A new wing leveler option could automatically control the ailerons and rudder to keep the aircraft on course. 2007 150Hs were built in Wichita, with 170 built by Reims as the F150H. 150I There was no model "150I" as Cessna didn't want the capital letter I to be confused with a numeral 1. (Despite this, for 1968 there had been a 172I model of the Cessna 172.) 150J The 1969 model was the 150J, which externally looked identical to the 150H. The 150J's biggest change was its instrument panel layout, which finally adopted the "basic-T" arrangement that would be used for all later 150 models. The 150J also had rocker-style electrical switches instead of the former pull-type ones, and a new key-operated combined magneto/starter-switch replaced the old "pull-style" starter. The new starter was more "car-like" but not as reliable as the old one and also more expensive to repair. New