FAA AC 20-73 : 2006
Current
The latest, up-to-date edition.
AIRCRAFT ICE PROTECTION
Hardcopy , PDF
English
01-01-2006
1. PURPOSE
2. CANCELLATION
3. APPLICABILITY
4. RELATED ADVISORY CIRCULARS, DOCUMENTS, READING MATERIAL,
AND NOMENCLATURE
5. ICE PROTECTION REGULATORY DEVELOPMENT BACKGROUND
6. APPLICABLE AIRFRAME, ENGINE, AND PROPELLER ICE PROTECTION
REQUIREMENTS
6.1 Ice Protection Requirements: Unintended Exposure to
Icing Conditions
6.2 Ice Protection Requirements: Intentional Operations
in Known and Forecast Icing Conditions
6.3 Ice Protection Requirements: Operating Safely in
Icing Conditions
7. CERTIFICATION PROCEDURES
7.1 Certification Procedures: General
7.2 Certification Procedures: Airframe Manufacturer
7.3 Certification Procedures: Engine Manufacturer
8. COMPLIANCE MEANS
8.1 Compliance Means: Analysis
8.2 Compliance Means: Tests
8.3 Compliance Means: Surfaces Without Ice Protection
8.4 Compliance Means: Ice Inspection Lights and Cues
8.5 Compliance Means: Reference to Previously
Accomplished Tests
8.6 Compliance Means: Perform Intended Function
Icing Conditions
9. AIRPLANE LIGHT MANUAL (AFM)
9.1 AFM: Limitations
9.2 AFM: Operating Procedures
9.3 AFM: Performance Information
9.4 AFM: Airworthiness Directives for Severe Icing
Conditions
10. ROTORCRAFT
10.1 Rotorcraft: General
10.2 Rotorcraft: Compliance
10.3 Rotorcraft Flight Manual
11. AIRCRAFT FROST AND CLEAR ICE CONSIDERATIONS
12. AIRPLANE DE/ANTI-ICING BEFORE TAKEOFF
13. EXTENDED RANGE OPERATION WITH TWO-ENGINE AIRPLANES (ETOPS)
ICING CONSIDERATIONS
14. REFERENCES
APPENDIX A - RELATED REGULATIONS AND DOCUMENTS
A.1 Regulations
A.2 Advisory Circulars
A.3 Related Reading Material
APPENDIX B - NOMENCLATURE
B.1 Terms
B.2 Acronyms and Symbols
B.3 References
APPENDIX C - BACKGROUND OF ICE PROTECTION REGULATORY DEVELOPMENT
C.1 Transport Category Airplanes (14 CFR Part 25)
C.2 Normal, Utility, Acrobatic, and Commuter Category
Airplanes (14 CFR Part 23)
C.3 Aircraft Engines (14 CFR Part 3)
C.4 Rotorcraft (14 CFR Parts 27 and 9)
C.5 References
APPENDIX D - COMPONENT CE PROTECTION SYSTEM DESIGN AND
CERTIFICATION PROCESS FLOWCHARTS
APPENDIX E - METEOROLOGICAL CONDITIONS
E.1 Icing Cloud Specifications
E.2 Using 14 CFR Parts 5 and 29, Appendix C
E.3 References
APPENDIX F - OPERATIONAL FACTORS
F.1 Airplane Operational Factors
F.2 Rotorcraft Operational Factors
F.3 Engine Operational Factors
APPENDIX G - ICING CONDITIONS EXPOSURE TIME
APPENDIX H - ICE PROTECTION SYSTEMS
H.1 Ice Protection Technologies and Operating Modes
H.2 References
APPENDIX I - DROP IMPINGEMENT AND WATER CATCH
I.1 Drop Impingement and Water Catch
I.2 References
APPENDIX J - PROPELLER ICE PROTECTION
J.1 Propeller Ice Protection
J.2 References
APPENDIX K - ICE AND ICING CONDITIONS DETECTION
K.1 Ice and Icing Conditions Detection
K.2 Installation Location
K.3 System Considerations
K.4 Certification of Ice Detectors
K.5 References
APPENDIX L - WINDSHIELD CE PROTECTION
APPENDIX M - FINDING NATURAL ICING CONDITIONS FOR TEST PURPOSES
M.1 Background
M.2 Statistical Guidance
M.3 Experience
M.4 Using Forecasts of Icing Conditions
M.5 Professional Guidance
M.6 References
APPENDIX N - INSTRUMENTATION
N.1 Instrumentation
N.2 References
APPENDIX O - WAYS TO EVALUATE ICING EXPOSURES RELATIVE TO
APPENDIX C
O.1 Background
O.2 Appendix C Converted to Distance- or Time-Based
Envelopes
O.3 References
APPENDIX P - USING ICING RATE TO DOCUMENT ICING EXPOSURES
P.1 Background
P.2 Data From an Icing Rate Sensor
P.3 Converting Icing Rate to Icing Intensity
P.4 Data a Sheet for Documenting Icing Exposures
P.5 References
APPENDIX Q - ICE SHEDDING
Q.1 Ice Shedding
Q.2 References
APPENDIX R - ICE SHAPES
R.1 Protected Surfaces
R.2 Unprotected Surfaces
R.3 Ice Protection System Failure Ice Shapes
R.4 Critical Ice Shapes
R.5 Methods for Determining (Predicting) Ice Shapes
R.6 Correlation of Predicted (Simulated) and Natural
Ice Shapes
R.7 References
APPENDIX S - ICE-CONTAMINATED HORIZONTAL STABILIZER
(TAILPLANE) STALL
S.1 Ice-Contaminated Horizontal Stabilizer (Tailplane) Stall
S.2 References
APPENDIX T - ARTIFICIAL ICING FLIGHT TESTS: ICING TANKERS AND
SPRAY RIG TESTS
T.1 Icing Tanker Tests
T.2 Spray Rig Tests
T.3 References
APPENDIX U - ICING WIND TUNNEL TESTS
U.1 Icing Wind Tunnel Tests
U.2 References
APPENDIX V - AIRCRAFT FROST AND CLEAR ICE CONSIDERATIONS
V.1 Aircraft Frost and Clear Ice Considerations
V.2 References
Specifies type certificate and supplemental type certificate applicants how to comply with the ice protection requirements of Title 14 of the Code of Federal Regulations (14 CFR) parts 23, 25, 27, 29, 33, and 35. It also provides guidance for aircraft type certificate holders on how to maintain the aircraft's airworthiness when operating in an icing environment.
DocumentType |
Standard
|
Pages |
234
|
PublisherName |
Federal Aviation Administration
|
Status |
Current
|
FAA AC 23-24 : 2005 | AIRWORTHINESS COMPLIANCE CHECKLISTS FOR COMMON PART 23 SUPPLEMENTAL TYPE CERTIFICATE (STC) PROJECTS |
SAE ARP 5903 : 2015 | DROPLET IMPINGEMENT AND ICE ACCRETION COMPUTER CODES |
DEFSTAN 00-970(PT13)/7(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/6(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/3(2011) : 2011 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/11(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/4(2011) : 2011 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/10(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/12(2016) : 2016 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/8(2014) : 2014 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT7)SEC2/SUPP6/5(2015) : INTERIM | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 7: ROTORCRAFT - SUPPLEMENT 6: EQUIPMENT (SUBPART F) |
DEFSTAN 00-970(PT13)/5(2012) : 2012 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
DEFSTAN 00-970(PT13)/9(2014) : 2014 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 13: MILITARY COMMON FIT EQUIPMENT |
FAA AC 23.143-1 : 0 | ICE CONTAMINATED TAILPLANE STALL (ICTS) |
SAE ARP 5905 : 2015 | CALIBRATION AND ACCEPTANCE OF ICING WIND TUNNELS |
FAA AC 25.1419-1 : 0 | CERTIFICATION OF TRANSPORT CATEGORY AIRPLANES FOR FLIGHT IN ICING CONDITIONS |
SAE AIR 1667 : 2013 | ROTOR BLADE ELECTROTHERMAL ICE PROTECTION DESIGN CONSIDERATIONS |
FAA AC 20-147 : 2014 | TURBOJET, TURBOPROP, TURBOSHAFT, AND TURBOFAN ENGINE INDUCTION SYSTEM ICING AND ICE INGESTION |
FAA AC 25.1419-2 : 2009 | COMPLIANCE WITH THE ICE PROTECTION REQUIREMENTS OF SECTION 25.1419(E), (F), (G), AND (H) |
SAE AS 5498 : 2017 | MINIMUM OPERATIONAL PERFORMANCE SPECIFICATION FOR INFLIGHT ICING DETECTION SYSTEMS |
DEFSTAN 00-970(PT7)SEC2/SUPP6/6(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 7: ROTORCRAFT - SUPPLEMENT 6: EQUIPMENT (SUBPART F) |
FAA AC 23-16 : 0 | POWERPLANT GUIDE FOR CERTIFICATION OF PART 23 AIRPLANES AND AIRSHIPS |
SAE ARP 5904 : 2002(R2012) | AIRBORNE ICING TANKERS |
FAA AC 91-74 : 2015 | PILOT GUIDE: FLIGHT IN ICING CONDITIONS |
FAA AC 25-28 : 2014 | COMPLIANCE OF TRANSPORT CATEGORY AIRPLANES WITH CERTIFICATION REQUIREMENTS FOR FLIGHT IN ICING CONDITIONS |
SAE ARP 5624 : 2013 | AIRCRAFT INFLIGHT ICING TERMINOLOGY |
I.S. EN 91-74:2002 | PILOT GUIDE FLIGHT IN ICING CONDITIONS |
FAA AC 25-25 : 2014 | PERFORMANCE AND HANDLING CHARACTERISTICS IN ICING CONDITIONS |
FAA AC 27-1 : 2008 | CERTIFICATION OF NORMAL CATEGORY ROTORCRAFT |
FAA AC 23.1419-2 : 2007 | CERTIFICATION OF PART 23 AIRPLANES FOR FLIGHT IN ICING CONDITIONS |
FAA AC 21-16 : 2011 | RTCA DOCUMENT DO-160 VERSIONS D, E, F, AND G, "ENVIRONMENTAL CONDITIONS AND TEST PROCEDURES FOR AIRBORNE EQUIPMENT" |
SAE AMS 1424 : 2016 | FLUID, AIRCRAFT DEICING/ANTI-ICING, SAE TYPE 1 |
FAA AC 25.629-1 : 2014 | AEROELASTIC STABILITY SUBSTANTIATION OF TRANSPORT CATEGORY AIRPLANES |
FAA AC 33-2 : 2013 | GENERAL TYPE CERTIFICATION GUIDELINES FOR TURBINE ENGINES |
SAE AMS 1428 : 2017 | FLUID, AIRCRAFT DEICING/ANTI-ICING, NON-NEWTONIAN, (PSEUDOPLASTIC), SAE TYPES 2, 3 AND 4 |
RTCA DO 178 : C2011 | SOFTWARE CONSIDERATIONS IN AIRBORNE SYSTEMS AND EQUIPMENT CERTIFICATION |
ISO 11077:2014 | Aircraft ground equipment De-icers Functional requirements |
FAA AC 25-11 : 2014 | ELECTRONIC FLIGHT DISPLAYS |
FAA AC 25.1419-1 : 0 | CERTIFICATION OF TRANSPORT CATEGORY AIRPLANES FOR FLIGHT IN ICING CONDITIONS |
FAA AC 20-117 : 1982 | HAZARDS FOLLOWING GROUND DEICING AND GROUND OPERATIONS IN CONDITIONS CONDUCIVE TO AIRCRAFT ICING |
SAE ARP 4754 : 2010 | GUIDELINES FOR DEVELOPMENT OF CIVIL AIRCRAFT AND SYSTEMS |
SAE ARP 5903 : 2015 | DROPLET IMPINGEMENT AND ICE ACCRETION COMPUTER CODES |
FAA AC 25-22 : 0 | CERTIFICATION OF TRANSPORT AIRPLANE MECHANICAL SYSTEMS |
SAE AIR 1168/4 : 2016 | SAE AEROSPACE APPLIED THERMODYNAMICS MANUAL ICE, RAIN, FOG, AND FROST PROTECTION |
RTCA DO 254 : 2000 | DESIGN ASSURANCE GUIDANCE FOR AIRBORNE ELECTRONIC HARDWARE |
SAE AMS 1427 : 1981 | DEICING/ANTI-ICING FLUID, AIRCRAFT, PROPYLENE GLYCOL BASE |
SAE ARP 5905 : 2015 | CALIBRATION AND ACCEPTANCE OF ICING WIND TUNNELS |
FAA AC 21.101-1 : 2016 | ESTABLISHING THE CERTIFICATION BASIS OF CHANGED AERONAUTICAL PRODUCTS |
SAE AIR 5504 : 2002 | AIRCRAFT INFLIGHT ICING TERMINOLOGY |
FAA AC 120-58 : 0 | PILOT GUIDE FOR LARGE AIRCRAFT GROUND DEICING |
SAE AIR 1667 : 2013 | ROTOR BLADE ELECTROTHERMAL ICE PROTECTION DESIGN CONSIDERATIONS |
SAE AMS 1425 : 1990 | DEICING FLUID, AIRCRAFT, ETHYLENE GLYCOL BASE |
FAA AC 23-8 : 2011 | FLIGHT TEST GUIDE FOR CERTIFICATION OF PART 23 AIRPLANES |
SAE ARP 4761 : 1996 | GUIDELINES AND METHODS FOR CONDUCTION THE SAFETY ASSESSMENT PROCESS ON CIVIL AIRBORNE SYSTEMS AND EQUIPMENT |
FAA AC 23.143-1 : 0 | ICE CONTAMINATED TAILPLANE STALL (ICTS) |
SAE ARP 4737 : 2008 | AIRCRAFT DEICING/ANTI-ICING METHODS |
FAA AC 23.1309-1 : 2011 | SYSTEM SAFETY ANALYSIS AND ASSESSMENT FOR PART 23 AIRPLANES |
FAA AC 21-40 : 2007 | GUIDE FOR OBTAINING A SUPPLEMENTAL TYPE CERTIFICATE |
SAE AS 5498 : 2001 | MINIMUM OPERATIONAL PERFORMANCE SPECIFICATION FOR INFLIGHT ICING DETECTION SYSTEMS |
FAA AC 29-2 : 2008 | CERTIFICATION OF TRANSPORT CATEGORY ROTORCRAFT |
FAA AC 23-17 : 2011 | SYSTEMS AND EQUIPMENT GUIDE FOR CERTIFICATION OF PART 23 AIRPLANES AND AIRSHIPS |
FAA AC 23.629-1 : 2004 | MEANS OF COMPLIANCE WITH TITLE 14 CFR, PART 23, SECTION 23.629, FLUTTER |
FAA AC 25.1309-1 : 0 | SYSTEM DESIGN AND ANALYSIS |
FAA AC 20-115 : 2017 | AIRBORNE SOFTWARE DEVELOPMENT ASSURANCE USING EUROCAE ED-12( ) AND RTCA DO-178( ) |
SAE ARP 4087 C:2011(R2018) | WING INSPECTION LIGHTS - DESIGN CRITERIA |
FAA AC 120-42 : 2008 | EXTENDED OPERATIONS (ETOPS AND POLAR OPERATIONS) |
FAA AC 25-7 : 2012 | FLIGHT TEST GUIDE FOR CERTIFICATION OF TRANSPORT CATEGORY AIRPLANES |
FAA AC 23-16 : 0 | POWERPLANT GUIDE FOR CERTIFICATION OF PART 23 AIRPLANES AND AIRSHIPS |
FAA AC 20-147 : 2014 | TURBOJET, TURBOPROP, TURBOSHAFT, AND TURBOFAN ENGINE INDUCTION SYSTEM ICING AND ICE INGESTION |
FAA AC 135-16 : 0 | GROUND DEICING AND ANTI-ICING TRAINING AND CHECKING |
FAA AC 120-60 : 2004 | GROUND DEICING AND ANTI-ICING PROGRAM |
SAE ARP 5904 : 2002(R2012) | AIRBORNE ICING TANKERS |
FAA AC 135-17 : 0 | PILOT GUIDE SMALL AIRCRAFT GROUND DEICING |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.