# AD 82-05-05 R1: Icing Conditions - Type: Airworthiness directive - Status: Current - Products: M7 Aerospace SA227-AC (C-26A), SA227-AT and SA227-TT - Effective: May 3, 1982 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Small/large airplane - Amendment: 39-4369 - Registered aircraft: 94 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9E4A84898099024186256984007237F2.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/82-05-05-R1 ## The airworthiness directive 82-05-05 R1 FAIRCHILD SWEARINGEN: Amendment 39-4369. Applies to Models SA227-AC (S/N's AC-420 through AC-481, AC-485 through AC-491, AC-496 through AC-499 and AC-503), SA227-AT (S/N's AT-423 through AT-446, AT-454 through AT-487 and AT- 501), and SA227-TT (S/N's TT-421 through TT-462, TT-468 through TT-480 and TT-486 and TT-426A, TT-444A, TT-456A, TT-459A, TT-462A, TT-468A, TT-477A, TT-483A, TT-486A, and TT-489A) airplanes certificated in all categories. COMPLIANCE: Required as indicated unless already accomplished. To prevent propeller ice accumulation and potentially hazardous severe aircraft vibration, within the next five hours time-in-service after the effective date of this AD accomplish the following: a) Install black electrician's tape or equivalent over the words "AND ICING CONDITIONS" in the Approved Types of Operations Section of the Operating Limitations Placard which is located above the left side console. b) Install a temporary placard of 1/4-inch minimum lettering which states "NOT APPROVED FOR FLIGHT IN ICING" in front of and in clear view of the pilot and operate the airplane in accordance with this placard. c) In the Approved Types of Operation Section of the Operating Limitations placard shown in Section I, Limitations Section, of the Model SA227-AC Airplane Flight Manual (AFM) and in Section II, Limitation Section, of the Models SA227-AT and -TT AFM, delete or cover the words "AND ICING CONDITIONS." d) The placard and AFM changes required by this AD may be accomplished by the holder of at least a private pilot certificate issued under Part 61 of the Federal Aviation Regulations on any airplane owned or operated by that person who must make the prescribed entry in the Airplane Maintenance Records indicating compliance with this AD. e) An equivalent method of compliance with this AD may be used when approved by the Chief, Aircraft Certification Division, FAA, Southwest Region, P.O. Box 1689, Fort Worth, Texas 76101. The procedures contained in Fairchild Swearingen SA227 Series Alert Service Bulletin SB A 61-002 PROPELLERS-LEADING EDGE PROTECTION dated February 26, 1982, if accomplished in entirety are approved as an equivalent method of compliance with this AD. This amendment becomes effective on May 3, 1982, to all persons except those to whom it has already been made effective by a priority letter from the FAA dated February 26, 1982, and is identified as AD 82-05-05. ## Affected data sheets (2) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A5SW](https://openairdocs.org/tcds/A5SW): Ontic Engineering and Manufacturing Inc.; names 2 of 7 models: SA227-AT, SA227-TT - [TCDS A8SW](https://openairdocs.org/tcds/A8SW): Ontic Engineering and Manufacturing Inc.; names 1 of 4 models: SA227-AC (C-26A) ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 94 (94 by airframe model, 0 by engine model) - Makers: Fairchild 63, Swearingen 31 Models with the most aircraft: - [Fairchild SA227-AC](https://openairdocs.org/model/fairchild-sa227-ac): 54 aircraft (airframe model) - [Swearingen SA227-AT](https://openairdocs.org/model/swearingen-sa227-at): 12 aircraft (airframe model) - [Swearingen SA227-TT](https://openairdocs.org/model/swearingen-sa227-tt): 11 aircraft (airframe model) - [Fairchild SA227-AT](https://openairdocs.org/model/fairchild-sa227-at): 9 aircraft (airframe model) - [Swearingen SA227-AC](https://openairdocs.org/model/swearingen-sa227-ac): 8 aircraft (airframe model) All 5 models: https://openairdocs.org/ad/82-05-05-R1/models.md Every aircraft: https://openairdocs.org/ad/82-05-05-R1/aircraft.md Its text cites no advisory circulars or STCs. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.