| AD Number | 67-33-01 | Status | Active |
| Effective Date | December 30, 1967 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-529 |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | Federal Register: December 30, 1967 | ||
| Manufacturer(s) | Viking Air Limited |
| Model(s) | DHC-6-1 DHC-6-100 DHC-6-200 DHC-6-300 |
67-33-01 de HAVILLAND AIRCRAFT: Amdt. 39-529, Part 39, Federal Register December 30, 1967. Applies to Type DHC-6 Airplanes Incorporating Grimes 41905-1 Anti- Collision Light.
Compliance required as indicated.
To prevent the occurrence of a hazardous condition, caused by the noncompliance of the Grimes 41905-1 Anti-Collision Light, accomplish the following:
(a) Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished, install the following placard in full view of the pilot: "AIRCRAFT LIMITED TO DAY VFR FLIGHT ONLY."
(b) The placard required by paragraph (a) may be removed when the light is replaced by the Grimes G8400A-24 Anti-Collision Light in accordance with the "Procedure" outlined in de Havilland Modification No. 6/1116, dated October 26, 1967, or later revision or equivalent installation approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
(c) Upon request with substantiatingdata submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
This amendment effective December 30, 1967.