# STC SA316SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: LegacySTC.com - Description: Carburetor ice detector. - Status date: April 3, 2025 - Data sheets: 3A12, 3A13, 3A19, 5A6, A-799, A13CE, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 1A10, 1A6, 2A13, A-780 - Certificate PDF: https://openairdocs.org/files/sha256/ce/9b/ce9b69863270bbe4b42e66dffd49164ab1d69adb96bb55368f8c2998cacf65ee - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196637358520250623133919.0001 - Page: https://openairdocs.org/stc/SA316SO ## ADs that name it None. ## Approved models (48) - Maule Aerospace Technology Inc. Bee Dee M-4 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-180C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-180S (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-180T (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-210 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-210C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-210S (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-210T (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-220 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-220C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-220S (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4-220T (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4S (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-4T (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-5-180C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-5-200 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-5-210C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-5-210TC (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-5-220C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-5-235C (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-6-180 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-6-235 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-7-235 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-7-235A (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-7-235B (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee M-8-235 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MT-7-235 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MX-7-160 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MX-7-180 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MX-7-180A (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MX-7-180B (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MX-7-235 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MX-7-420 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MXT-7-160 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MXT-7-180 (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MXT-7-180A (TCDS 3A23) - Maule Aerospace Technology Inc. Bee Dee MXT-7-420 (TCDS 3A23) - The Cessna Aircraft Company 150 (TCDS 3A19) - The Cessna Aircraft Company 170 (TCDS A-799) - The Cessna Aircraft Company 172 (TCDS 3A12) - The Cessna Aircraft Company 177 (TCDS A13CE) - The Cessna Aircraft Company 180 (TCDS 5A6) - The Cessna Aircraft Company 182 (TCDS 3A13) - The New Piper Aircraft Inc. PA-12 Series (TCDS A-780) - The New Piper Aircraft Inc. PA-22 Series (TCDS 1A6) - The New Piper Aircraft Inc. PA-23 Series (TCDS 1A10) - The New Piper Aircraft Inc. PA-28 Series (TCDS 2A13) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. SA316SO LegacySTC.com 200 N. Railroad St Bunnell, FL 32110 CAR 3 Civil Air Regulations Continued on pages 3- 4 Continued on pages 3-4 Continued on pages 3-4 Approval of this change in type design applies basically to the aircraft listed on the supplemental page of this STC only. This approval should not be extended to other aircraft of the same model on which other approved modification have been made unless it has first been determined that the interrelationships between these various modifications will have no adverse efffect on the airworthiness of the aircraft (Continued on page 3). 01/02/1965 04/03/2025 01/14/1965 04/05/1965 05/24/1965 08/31/1966 ✔ (for) Christina Underwood Manager, East Certification Branch 4 Installation of carburetor ice detector per C. B. Shivers installation instructions and Drawing Nos. 2, 5, or 6, entitled "D & S Carburetor Ice Indicator - Installation Drawing", and "Detail Drawing for Providing a Probe Wire Passage". SA316SO 04/03/25 4 SA316SO 04/03/25 Date Amended continued from Page 1: 10/05/1966, 10/20/1966, 12/14/1966, 7/25/1967, and 11/15/1967 Original Product Type Certificate Number and Limitations and Conditions, Make, and Model continued from Page 1: Model Airplane Airplane T.C No. Engine Certification Basis Cessna 150 3A19 Continental O-200-A CAR 3 dated May 15, 1956 Cessna 170 A-799 Continental C-145 CAR 3 Cessna 172 3A12 Continental O-300 CAR 3 dated November 1, 1949 & Amendment 3-1 thru 3-12 Cessna 180 5A6 Continental O-470 Series Model 180, 180A & 180B CAR 3 dated November 1, 1949 as amended by 3-1 thru 3-8 except paragraph 3.265 and 3.668 of 3-7. Models 180C, 180D, 180E, 180F, 180G, 180H CAR 3 effective November 1, 1949, amended by 3-1 thru 3-12 except paragraph 3.265 of 3-7 and 3.668 of CAR 3 dated May 1956 as amended 3-3. Cessna 182 3A13 Continental O-470 Series CAR 3 dated November 1, 1949 as amended by 3-1 thru 3-12 Piper PA-12 A780 Lycoming O-235-C CAR 3 Piper PA-12 A780 Lycoming O-290-D(STC) CAR 3 Piper PA-32-260 A3SO Lycoming O-540-E4B5 CAR 3 dated May 15, 1956 as amended by 3-1 thru 3-8 Piper PA-22-150 1A6 Lycoming O-320 CAR 3 dated November 1, 1949 Piper PA-22-160 1A6 Lycoming O-320-B2A with amendments by 3-1 thru 3-6 3 4 Add Page SA316SO 04/03/25 Original Product Type Certificate Number and Limitations and Conditions, Make, and Model continued from Page 1: Model Airplane Airplane T.C No. Engine Certification Basis Piper PA-23 1A10 Lycoming O-320, A Series CAR 3, November 1, 1949, including Amendments 3-1 to 3-9 December 14, 1952, inclusive. On Serial Nos. 27-2505 & up: CAR 3.242(a) of Amendment 3-14, March 13, 1956, superseding original CAR 3.242. Piper PA-23-160 1A10 Lycoming O-320, CAR 3, November 1, 1949, B & C Series including Amendments 3-1 to 3-9 December 14, 1952, inclusive. On Serial Nos. 27-2505 & up: CAR 3.424(a) of Amendment 3-14, March 13, 1956, superseding original CAR 3.242. Piper PA-28-140 2A13 Lycoming O-320E2A CAR 3 dated May 15, 1956, with Piper PA-28-150 2A13 Lycoming O-320A2b/E2A amendment 3-1 and 3-2; CAR Piper PA-28-160 2A13 Lycoming O-32-B2b/D2A 3.304 and 3.307 of amendment 3.7. The PA-28-140 is also in compliance with amendment 3-4. Maule M-4-220C 3A23 Franklin 6A-350-C1 CAR 3 dated May 15, 1956, as amended by 3-1 through 3-5 and 3.705 of 3-7. Cessna 177 A13CE Lycoming O-320-E2D FAR 23 as amended by 23-1, 23-2 and 23-3. ----END---- 4 4 Add Page ## Every issue (1) - April 3, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ce/9b/ce9b69863270bbe4b42e66dffd49164ab1d69adb96bb55368f8c2998cacf65ee) --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.