47-10-16: Conversion of 49-51 to 49-46
FAA order 47-10-16 is an airworthiness directive. The FAA's subject line: Conversion of 49-51 to 49-46. System: other and general.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Lockheed Aircraft Corporation
- Models
- 49-46
Dates and paperwork
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (1,946 characters)
47-10-16 LOCKHEED: (Was Mandatory Note 18 of AD-763-3.) Applies to All Model 49-46 Serials Up to and Including 2075 and to All Model 49-51 Airplanes. (This supersedes Supplement Number 1 to AD-763 (Special) Dated August 26, 1946.)
Compliance required prior to June 1, 1947.
All Model 49-51 aircraft shall be converted to Model 49-46 aircraft. Prior to recertification of Model 49-46 aircraft converted from Model 49-51 aircraft, the following Service Bulletins in addition to those listed in Note 47-10-15 must be complied with:
**49/SB-1, revised June 7, 1946 - Installation of Two-Speed Supercharger Controls.
*49/SB-14, revised July 27, 1946 - Installation of Bendix Direct Fuel Injection System.
49/SB-24, dated June 5, 1946 - Rework of Engine Cowl Diaphragm Structure.
49/SB-124, revised July 27, 1946 - Rewiring of Engine Fire Detector System.
Wright Aeronautical Corp. Bulletin C18-23, dated October 4, 1946 - Fuel Injection Tube Installation.
**49/SB-230, dated November 3, 1946 - Engine Oil Cooler Temperature Control Regulators - Recalibration of.
**49/SB-231, dated November 2, 1946 - Engine Oil Pump Pressure and Engine Oil Pressure Gauge Range Markings - Adjustment of.
*Service Bulletin 49/SB-14 has been revised subsequent to issuance of AD-763 (Special), Supplement No. 1, dated Aug. 26, 1946. Model 49-46 aircraft certificated in accordance with that AD Supplement should be checked for compliance with this later revision within next 200 hours of operation.
**Service Bulletin 49/SB-1 was not listed in AD-763 (Special), Supplement No. 1, dated Aug. 26, 1946, but must be complied with to permit use of new performance values shown in the Operation Manual for Model 49-46 aircraft, Lockheed Report No. 5817. All Model 49-46 aircraft certificated in accordance with that Supplement to AD-763 (Special) should be checked for compliance with Bulletins 49/SB-1, 230 and 231 within next 200 hours of operation.
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/47-10-16.json · aircraft systems.