The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · reissued

SA6070NM

Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown. Held by West Coast Air Creations. Last revised April 26, 2018. System: propeller.

What it applies to

Kind of product
Propeller
Design holder
Air Tractor Inc.; Air Tractor Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; British Aerospace Aircraft Group; Bushmaster Aircraft Corporation; Civil Air Patrol Incorporated; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; The EMROTH Company; Executive Airlines Inc.; Executive Airlines Inc.; Executive Airlines Inc.; Executive Airlines Inc.; Executive Airlines Inc.; Executive Airlines Inc.; Executive Airlines Inc.; Frakes Aviation; Frakes Aviation; Frakes Aviation; Frakes Aviation; Grumman American Aviation Corporation; Grumman American Aviation Corporation; Howard Aircraft Foundation; Howard Aircraft Foundation; Howard Aircraft Foundation; Lockheed Aircraft Corporation; Lockheed Aircraft Corporation; Lockheed Aircraft Corporation; Lockheed Aircraft Corporation; Lockheed Aircraft Corporation; Lockheed Martin Aeronautics Company; Naval Aircraft Factory; Noorduyn Aviation Ltd.; Noorduyn Aviation Ltd.; Noorduyn Aviation Ltd.; Noorduyn Aviation Ltd.; Spartan Aircraft Company; Stearman Aircraft Company; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Thrush Aircraft Inc.; Thrush Aircraft Inc.; Thrush Aircraft Inc.; Thrush Aircraft Inc.; Thrush Aircraft Inc.; Viking Air Limited; Viking Air Limited; The Waco Aircraft Company; The Waco Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company
Models
AT-300, AT-301, G-164, G-164A, G-164B-15T, G-164B-20T, G-164B-34T, G-164B (with 73 Inc.h wing gap), G-164B, G-164C, G-164D (with 73 Inc.h wing gap), G-164D, 75 (Army PT-13), A75 (Army PT-13A; -13B; -13C), A75L3, A75N1 (Army PT-17; -17A; Navy N2S-1; -4), B75N1(Navy N2S-3), E75N1 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5), 203-B, AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4), AT-6D (SNJ-5), AT-6F (SNJ-6), T-6G, Twin Pioneer Series 2, Bushmaster 2000, L-20A, A, BT-13, BT-13A (Army SNV-1), BT-13B (Navy SNV-2), JR. R, JR. S, JR. SR, SM-6000-B, SM-6000 Airliner, SM-8A, SR-10B, SR-10C (Army...
Type certificates
A9SW, A9SW, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, A-743, A-743, A-743, A-743, A-743, A-743, TC 2-412, A-2-575, A-2-575, A-2-575, A-2-575, A-2-575, A-2-575, A-2-575, 7A7, A19WE, AR-33, ATC 556, A-2-571, A-2-571, A-2-571, ATC 457, ATC 423, ATC 510, ATC 420, ATC 335, ATC 295, TC 678, TC 678, TC 678, TC 678, TC 678, TC 678, TC 678, ATC 510, ATC 530, ATC 530, ATC 530, ATC 530, ATC 530, ATC 580, ATC 580, ATC 580, ATC 580, ATC 594, ATC 594, ATC 594, ATC 608, ATC 608, ATC 608, ATC 621, ATC 621, ATC 621, ATC 484, A6PC, LTC-26, LTC-26, LTC-26, LTC-26, LTC-26, LTC-26, LTC-26, A-734, A-734, A-783, A-734, TC 654, TC 654, A-717, A-717, A-717, TC 616, TC 551, ATC 93, ATC 384, ATC 93, TC 590, A-2-569, A-2-578, A-2-578, A-2-578, A-2-578, TC 628, ATC 459, A-765, A-765, A-765, A-2-582, A-765, A-765, A-757, A-649, A-765, A-765, A-765, A-765, A-765, A-765, A-765, A-2-582, A-765, A-649, A-765, A-765, A-765, 2A7, A3SW, 2A7, 2A7, A4SW, A-806, A-815, TC 714, TC 714, A10WE, A10WE, A10WE, A10WE, A26WE, A26WE
The FAA's record
On the FAA's site

What an approved modification is

A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.

Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 7, 2026.