47-25-04 CULVER: (Was Mandatory Note 6 of AD-778-2.) Applies Only to Model V Aircraft Certified for Night Flying.
Compliance required prior to August 15, 1947.
Provide adequate illumination for compass by installing a Lucite reflector, Culver P/N 11850, between the instrument panel and subpanel. The reflector is attached by means of the two upper attachment screws for the compass with its straight end extending to the nearest instrument light bulb. All paint should be scraped off the top half of this bulb. Other means of providing equivalent illumination of the compass are acceptable.
(Culver Service Bulletin No. 14 covers this same subject.)