The Aviation DataBase: Service Information: WACO Aircraft
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DataBases updated: Jun 6th, 2025
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Safety Notices
NameRevisionLangSubjectDate
1 en Excessive Use of Brakes Causes Accidents09/29/2011
en Passengers Inadvertently Blocking or Activating Flight Controls can Lead to Accidents and Death04/06/2011
en Passengers Heads can Block Forward Visibility04/06/2011
2 en Crosswinds Hazards09/30/2011
en Low Altitude Operations04/06/2011
1 en Low Altitude Operations04/22/2016
en Securing Baggage Door04/06/2011
en Smoke System Operations04/06/2011
en Hot and High Operations04/06/2011
1 en Cold Weather Operations12/02/2011
2 en Cold Weather Operations04/22/2016
en Post Crash Fires04/06/2011
1 en Post Crash Fires04/22/2016
en Poor Maintenance04/06/2011
en Night Flight and/or Bad Weather can be Deadly04/06/2011
2 en Flight Currency and Tail (Conventional) Wheel Aircraft09/30/2011
1 en Loose Objects can be Fatal09/29/2011
en High Winds and Turbulence04/06/2011
en Flying Near Broadcast Towers04/06/2011
en Aerial Survey and Photo Flights - Very High R04/06/2011
en Unusual Vibration can Indicate Propeller / Engine Problem04/06/2011
2 en Do Not Attach Items to Aircraft / Airframe09/30/2011
en Inadvertent Actuation of Mixture Control in Flight04/06/2011
1 en Inadvertent Actuation of Mixture Control in Flight09/29/2011
1 en Fuel Exhaustion Can Be Fatal04/11/2011
en Power Lines are Deadly04/06/2011
en Never Exit Aircraft with Engine Running04/06/2011
en Flying Low Over Water is Very Hazardous04/06/2011
en Be Aware During Demo or Training Flights04/06/2011
en Walking Into Propeller Can Be Fatal04/06/2011
en Carburetor Ice04/06/2011
en Dangerous Aerobatics04/06/2011
en Hydraulic Lock04/06/2011
en Inadvertent Loss of Items04/06/2011
en Activation of Parking Brake in Flight is Dangerous04/06/2011
en Proper Tire Pressure Critical04/06/2011
en Proper Attachment of Engine Cowling is Critical to Safe Flight05/19/2011
en Proper Use of Nyloc Style Nuts08/03/2011
2 en Exercising your Airplane12/02/2011
en Fuel Cap Safety09/20/2012
en Obstructed Pitot and Static Systems05/11/2012
en Proper Grounding of Aircraft During Refueling Operations08/02/2012
1 en Brake System Check05/16/2014
en Brake and Pedal Brief for Passengers05/14/2014
en Flying Wire Inspection10/23/2014
en Alternator Failure as a Result of Excessive Water Ingestion09/01/2015
en Communication and Navigation Radio Interference from Mobile Phone and Other Electrical Charging Devices09/01/2015
en Hydraulic Landing Gear Safety12/18/2017
en Use Extra Caution During Post Maintenance Flights06/19/2018
en Approved Aerobatics11/07/2018
en A Hazard in Aerobatics Effects of G-Forces on Pilots11/12/2018
2 en Safety Notice Compilation for WACO YMF-5 or 2T-1A-2 Series Aircraft04/22/2016
4 en Safety Notice Compilation for WACO YMF-5 or 2T-1A-2 Series Aircraft12/20/2017
7 en Safety Notice Compilation for WACO YMF-5 or 2T-1A-2 Series Aircraft11/12/2018
8 en Safety Notice Compilation for WACO YMF-5 or 2T-1A-2 Series Aircraft09/25/2019
Service Alerts
NameRevisionLangSubjectDate
en Cockpit Ventilation09/25/1989
en Corrosion of Stainless Steel Flying Wires11/05/1990
en Inspection of Stabilizer Front Spar12/18/1991
en Equalize Fit of Lower Cowl05/21/1991
en Corrosion of Stainless Steel Flying Wires02/27/1992
en Compliance with Proper Documentation of Engine Manufacturing Inspection Requirements12/05/1995
en Propeller Mounting Bolt Torque Requirements04/17/1996
en Cabane Streamline Wire Failure06/03/1996
en Overheating of Exhaust Piper within the Heat Exchangers05/17/1996
Service Bulletins
NameRevisionLangSubjectDate
en Battery Shift During Excess "G" Forces10/07/1976
en Tail Wire Rigging07/20/1977
A en Tail Wire Rigging06/16/1978
en Propeller AD 77-12-608/10/1977
en Product Improvement05/30/1978
en Loosening of Exhaust and Fuel Injector Attachment Nuts07/26/1978
en Left Hand Exhaust Manifold Heat Exchanger Section11/17/1978
en Inspection Requirement02/21/1980
en Mandatory Elevator Cable Wear Due to Cables Becoming Slack07/21/2010
en Redesigned Oil Cooler System Installation09/01/1980
en Inspection of the Outer Main Wheel Bearing Hub and Replacement of Seal Assemblies03/24/1981
en Inspection of Air Intake Duct (Hose)12/31/1981
en Engine Mount Inspection05/01/2000
en Horizontal Stabilizer Spar Inspection05/01/2000
en Center Section Former Rib Cracks07/06/2023
en Mandatory Horizontal Stabilizer Spar Inspection01/25/2012
Service Information Letters
NameRevisionLangSubjectDate
en Vertical Stabilizer Fin Forward Attachment Bracket Inspection02/27/2021
en Interchangeability of Certain Jacobs Engine Models01/18/2021
Service Instructions
NameRevisionLangSubjectDate
en Battery Acid Spillage07/07/1976
D en Instructions for Installing Domed or Bubble Door Windows (OPENING style) in Cessna Airplanes09/01/2006
Service Letters
NameRevisionLangSubjectDate
en Elevator Control Cable Inspection06/19/2002
en Fin Brace Wires07/20/1977
en Product Improvement06/21/1978
en Externally Mounted I.D. Plates11/16/1987
en Retrofit of Throttle and Mixture Controls05/02/1988
en Retrofit of Oil Scavenge Line and Safety Pinning of Exhaust System07/05/1988
en Safety Wire Installation on Oil Valve10/03/1988
en Fuel Line Chafe Protection06/29/1989
en Alternate Brake Master Cylinder Installation11/12/1991
en Stabilizer Spar Inspection and Reinforcement
en Cabin Airbox Inspection and Modification03/16/1992
en Overheating of Exhaust Pipes within the Heat Exchangers05/17/1996
en Fuel Injection - Not Recommended05/27/2016
Miscellaneous
NameRevisionLangSubjectDate
en YMF-D
A en YMF Waco F5 & YMF Waco F5C07/05/2005
en Landing Gear Piston Upgrade Kit
en Maintenance and Rigging Manual: 2T-1A