Advisory Circulars are issued to provide guidance to the industry on subjects related to procedures.

Air Operations

Subject Notice. No Date
Aircraft Delivery Recommendation Report (PDF, 186KB)
AC AOC-41(0) 1 Jan 2018
Assignment of Aircraft Registration Marks (PDF, 29 KB)  AC AOC-40(0) 
24 Nov 2017 
ANR 91 - General Operating Rules    
Guidance on General Requirements in ANR-91 (PDF, 122 KB)
AC 91-1-1 17 Sep 2018
Guidance on Operational Procedures for ANR-91 Operations (PDF, 156 KB)
AC 91-2-1(1) 4 Nov 2021
Reporting and Investigation of Reportable Safety Matters (PDF, 216KB) AC 91-2-2 (1) 1 Dec 2020
Global Reporting Format (GRF) for Runway Surface Conditions (PDF, 256KB) AC 91-2-3  4 Nov 2021
Guidance on Instrument and Equipment Requirements in ANR-91 (PDF, 105 KB)  AC 91-6-1 (1)  14 Feb 2019 
Halon Replacement for Fire Extinguishing Agents (PDF, 112 KB)
AC 91-6-2 17 Sep 2018
Guidance on Maintenance Requirements in ANR-91 (PDF, 407KB) AC 91-7-1 6 Apr 2020
ANR 98 - Special Operations    
Application for an Approval to Conduct a Special Operation (PDF, 160 KB)
AC 98-1-1 17 Sep 2018
Operational Approval to Conduct Operations in North Atlantic High Level Airspace (PDF, 105 KB)
AC 98-2-1 17 Sep 2018
Operational Approval for Area Navigation RNAV-10 (PDF, 111 KB)
AC 98-2-2 17 Sep 2018
Operational Approval for Area Navigation RNAV-5 (PDF, 111 KB)
AC 98-2-3 17 Sep 2018
Operational Approval for Area Navigation RNAV-2 AND RNAV-1 (PDF, 122 KB)
AC 98-2-4  17 Sep 2018
Operational Approval for Required Navigation Performance RNP-4 (PDF, 118 KB)
AC 98-2-5 17 Sep 2018
Operational Approval for Required Navigation Performance Approach (RNP APCH) (PDF, 152 KB)
AC 98-2-6 17 Sep 2018
Operational Approval for Barometric Vertical Navigation (BAROVNAV) (PDF, 132 KB)
AC 98-2-7 17 Sep 2018 
Required Navigation Performance Authorisation Required Approach (RNP ARAPCH) (PDF, 330 KB)
AC 98-2-8  17 Sep 2018
Operational Approval for RNP-1 (PDF, 344 KB)
AC 98-2-9
1 Nov 2019
Operational Approval for RNP-2 (PDF, 319 KB)
AC 98-2-10
1 Nov 2019
Reduced Vertical Separation Minima (RVSM) (PDF, 112 KB)
AC 98-3-1 17 Sep 2018
Low Visibility Operations (LVO) (PDF,  433 KB) AC 98-4-1 (1)  29 Jul 2019 
Head-Up Display/Enhanced Vision System (HUD/EVS) (PDF, 340 KB)
AC 98-5-1 17 Sep 2018
Controller Pilot Data Link Communications and Automatic Dependent Surveillance-Contract (CPDLC and ADS-C) (PDF, 112 KB)
AC 98-6-1  17 Sep 2018
Automatic Dependent Surveillance-Broadcast (ADS-B) (PDF, 106 KB)
AC 98-6-2 17 Sep 2018 
Electronic Flight Bag (EFB) (PDF, 252 KB) AC 98-7-1 17 Sep 2018
Extended Diversion Time Operations (EDTO) (PDF, 152 KB)
AC 98-8-1 17 Sep 2018
Polar Route Operations (PDF, 116 KB)
AC 98-9-1 17 Sep 2018
Operation of Single-Engine Turbine-Powered Aeroplane at night and/or Instrument Meter Conditions (PDF, 112 KB)
AC 98-11-1 17 Sep 2018
Performance-based Communication & Performance-based Surveillance (PDF, 174 KB)
AC 98-12-1  17 Sep 2018
ANR 99 - Breath Testing for Alcohol    
Guidance on Airline Alcohol Management Programme (AAMP) (PDF, 296 KB)
AC 99-3-1 (1)
12 Feb 2020
ANR 119 - Air Operator Certification    
Guidance on the Application for a Singapore AOC (PDF, 194 KB) AC 119-1-1 17 Sep 2018
Guidance on AOC Certification Requirements (PDF, 184 KB) AC 119-2-1 17 Sep 2018
Guidance on AOC Certification Requirements (PDF, 272KB) AC 119-2-1 (1)  26 Nov 2021 
Safety Management System–Safety Performance Indicators for an AOC Holder (PDF, 139 KB)
AC 119-2-2 17 Sep 2018
Implementation of FDAP (PDF, 133 KB)
AC 119-2-3 17 Sep 2018
Implementation of an AOC Holder’s Safety Management System (PDF, 609 KB)
AC 119-2-4 (0) 7 Feb 2020
Guidance on AOC Operating Requirements (PDF, 105 KB)
AC 119-3-1 17 Sep 2018
Aircraft Leasing (PDF, 162 KB)
AC 119-3-2 (1) 14 Sep 2021
ANR 121 - Commercial Air Transport by Large Aeroplanes    
Guidance on General Requirements in ANR-21 (PDF, 403 KB)
AC 121-1-1 (1) 19 Sep 2019
Use of Portable Electronic Devices Onboard Aircraft (PDF, 152 KB)
AC 121-1-2 17 Sep 2018
Carriage of Service Animals in the Passenger Cabin (PDF, 140 KB)
AC 121-1-3 17 Sep 2018
Carriage of Oversized or Odd-sized Items in the Passenger Cabin (PDF, 113 KB)
AC 121-1-4 17 Sep 2018
Guidance on Operational Procedures for ANR-121 Operations (PDF, 215 KB)
AC 121-2-1 (3) 18 Nov 2021
Approach and Landing Accident and Reduction Measures (PDF, 139 KB)
AC 121-2-2 17 Sep 2018
Standard Operating Procedures for Flight Crew Members (PDF, 183 KB)
AC 121-2-3 17 Sep 2018
Flight Crew Procedures and Training During Taxi Operations (PDF, 143 KB)
AC 121-2-4 17 Sep 2018
Preventing Injuries caused by Turbulence (PDF, 150 KB)
AC 121-2-5 17 Sep 2018
Mode Awareness and Energy State Mgt Aspects of Flight Deck (PDF, 159 KB)  AC 121-2-6  17 Sep 2018 
Management of Lithium Batteries in the Aircraft Passenger Cabin (PDF, 135 KB)
AC 121-2-7 17 Sep 2018
Level of Rescue and Fire Fighting Service Protection Available (PDF, 129 KB)
AC 121-2-8  17 Sep 2018
Procedures for Cabin Crew (PDF, 304 KB)
AC 121-2-9 (1) 20 Jan 2020
Aircraft Tracking (PDF, 248 KB)  AC 121-2-10 (1) 9 Nov 2021
Aircraft Cargo Compartment Safety (PDF, 213KB) AC 121-2-11 18 Nov 2021
Guidance on Operating Limitations for ANR-121 Operations (PDF, 106 KB)
AC 121-3-1 17 Sep 2018
Guidance on Mass and Balance for ANR-121 Operations (PDF, 102 KB)
AC 121-4-1 17 Sep 2018
Carriage of Cargo in the Passenger Cabin (PDF, 154 KB)
AC 121-4-2 (1) 9 Oct 2020 
Guidance on Instrument and Equipment Reqt in ANR-121 (PDF, 199KB)
AC121-6-1 (5)
18 Nov 2021
Effectiveness of TAWS/EGPWS Equipment (PDF, 111 KB)
AC 121-6-2 17 Sep 2018
Acceptable Child Restraint Devices (PDF, 497 KB)
AC 121-6-3 (1) 19 Sep 2019
Acceptable Restraint Devices for Passengers with Restricted Mobility (PDF, 302 KB)
AC 121-6-4 (0)
19 Sep 2019
Guidance on Maintenance Requirements for Operations under ANR-121 (PDF, 200KB) AC 121-7-1 (1)  13 Oct 2021 
Aircraft Network Security Programme (PDF, 145KB)
AC 121-7-2 (1) 11 Nov 2020
Guidance on Crew Requirements for ANR-121 Operations (PDF, 414 KB)
AC 121-8-1 (1) 24 Aug 2020
Cabin Safety for Airbus A380 Aircraft (PDF, 117 KB)
AC 121-8-2 17 Sep 2018
Attire of Crew Members (PDF, 96 KB)
AC 121-8-3 17 Sep 2018
Guidance on Crew Training for ANR-121 Operations (PDF, 128 KB)
AC 121-9-1 17 Sep 2018
Flight Crew Training for an ANR-121 Operations (PDF, 128 KB)
AC 121-9-2 17 Sep 2018 
Cabin Crew Training for ANR-121 Operations (PDF, 109 KB) 
AC 121-9-3 17 Sep 2018
Flight Dispatcher Training and Appointment (PDF, 131 KB)
AC 121-9-4 17 Sep 2018
Safety and Emergency Procedures Training (PDF, 513 KB)
AC 121-9-5 (1) 30 Jun 2020
Training on Approach and Landing Accidents Reduction (ALAR) and Controlled Flight into Terrain (CFIT) Prevention (PDF, 122 KB)
AC 121-9-6 17 Sep 2018
Guidelines for the Design and Implementation of Line Oriented Flight Training (LOFT) (PDF, 162 KB)
AC 121-9-7 17 Sep 2018
Training on Crew Resource Management (PDF, 137 KB)
AC 121-9-8 17 Sep 2018
Guidance for Training on the use of Ground Proximity Warning System (GPWS) (PDF, 143 KB)
AC 121-9-9 17 Sep 2018
Upset Prevention and Recovery Training (UPRT) (PDF, 276 KB)  AC 121-9-10 17 Sep 2018
Guidance on Crew Competency for ANR-121 Operations (PDF, 172 KB)
AC 121-10-1 17 Sep 2018
Guidance on Fatigue Risk Management for ANR-121 Operations
AC 121-11-1 17 Sep 2018
Fatigue Risk Management for Ultra Long Range Operations (PDF, 126 KB)
AC 121-11-2 17 Sep 2018
Guidance on Logs and Records for ANR-121 Operations (PDF, 113 KB)
AC 121-12-1 17 Sep 2018
Operations Manual for Operations under ANR-121 (PDF, 172 KB)
AC 121-12-2 17 Sep 2018 
ANR 125 - Complex General Aviation    
Application for a Complex General Aviation Certificate (CGAC) (PDF, 172 KB)
AC 125-1-1  17 Sep 2018
ANR 135 - Commercial Air Transport by Helicopters and Small Aeroplanes    
Guidance on General Requirements in ANR-135 (PDF, 120 KB)
AC 135-1-1  17 Sep 2018
Guidance on Operational Procedures for ANR-135 Operations (PDF, 168 KB)
AC 135-2-1 21 Dec 2018
Guidance on Operating Limitation for ANR-135 Operations (PDF, 106 KB)  AC 135-3-1 17 Sep 2018
Guidance on Mass and Balance for ANR-135 Operations (PDF, 107 KB)
AC 135-4-1 17 Sep 2018
Guidance on Instrument and Equipment in ANR-135 (PDF, 129 KB) AC 135-6-1 21 Dec 2018
Guidance on Maintenance for Operations under ANR-135 (PDF, 166 KB) AC 135-7-1 17 Sep 2018
Guidance on Crew Requirements for ANR-135 Operations (PDF, 98 KB)
AC 135-8-1 17 Sep 2018 
Guidance on Crew Training for ANR-135 Operations (PDF, 128 KB) AC 135-9-1  17 Sep 2018
Flight Crew Training for ANR-135 Operations (PDF, 127 KB)  AC 135-9-2 17 Sep 2018
Cabin Crew Training for ANR-135 Operations (PDF, 107 KB)  AC 135-9-3 17 Sep 2018
Guidance on Crew Competency for ANR-135 Operations (PDF, 139 KB)
AC 135-10-1 17 Sep 2018
Guidance on Fatigue Risk Management for ANR-135 Operations (PDF, 148 KB)
AC 135-11-1 17 Sep 2018
Guidance on Logs and Records for ANR-135 Operations (PDF, 113 KB) AC 135-12-1 17 Sep 2018
Operations Manual for ANR-135 Operations (PDF, 168 KB) AC 135-12-2 17 Sep 2018
ANR 137 - Aerial Works    
Guidance on the Application for an Aerial Work Certificate (AWC) (PDF, 184 KB)
AC 137-1-1 17 Sep 2018

Carriage of Dangerous Goods

Subject Notice. No Date
Procedures for Controlling the Introduction of Dangerous Goods in Air Mail (PDF, 197KB) AC DGR-11(0)  6 Apr 2020
Guidance for carriage of lithium batteries by air (PDF, 223KB)
AC DGR-2(6)
2 Sep 2019
Guidance for Carriage of Baggage Equipped with Lithium Batteries (PDF, 103 KB) AC DGR-10(1) 3 Jun 2019
Guidance for Carriage of Personal Transportation Devices Powered by Small Lithium Battery (PDF, 34 KB) AC DGR-9(0) 15 Jan 2016
Guidance for Carriage and Prohibition of Use of Electronic Cigarettes by Passengers and Crew (PDF, 48 KB) AC DGR-8(2) 30 Dec 2016
This Advisory Circular is no longer applicable from 1 Feb 2013 onwards AC DGR-7(0) -
Carriage of Electric Mobility Aids by Air (PDF, 174 KB) AC DGR-6(0) 21 Sep 2012
Retention of Dangerous Goods or Munitions of War (MOW) (PDF, 25 KB) AC DGR-5(0) 14 Aug 2012
Exemptions for the Carriage of Forbidden Dangerous Goods by Air into and out of Singapore (PDF, 34 KB) AC DGR-4(0) 22 Dec 2011
Mandatory Reporting of Dangerous Goods Incidents and Accidents (PDF, 27 KB) AC DGR-3(0) 1 Apr 2011
Munitions of War (MOW) (PDF, 432 KB) cancelled 1 Sep 2020

Foreign Operator Surveillance

Subject Notice. No Date
Foreign Operator Surveillance Programme-Operations Permit (PDF, 108 KB) AC FOS-1(2) 29 Jul 2015



Last Updated on 22 November 2021