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Halt operation if direct LOS with wing walkers 9Weather is lost. Perform a final visual check for damage when Weather conditions should be taken into consid- operation is complete. eration before starting towing operations. Below is a Obey emergency stop instructions given by list of weather-related recommendations: any team member (FAA AC 00-65). Consider using an escort in poor weather Act as communications backup in case of conditions. communication failure between the flight Aircraft towing in low visibility (below 1200 deck observer and ATC. RVR) is discouraged. May be delegated responsibility of communi- If applicable, TBLT operator and flight deck cating with ATC by the flight deck observer. observer must be familiar with the SMGCS plan. When ice, snow, slush, or water at near freez- 8.4Escorts ing temperatures is present, the TBLT may be Escorts should be used in bad weather condi- fitted with tire chains, preferably on the axle tions, in case of an emergency, if the TBLT operator closest to the aircraft. does not have the required credentials to operate on In poor weather conditions, speeds should be the movement area, when the flight deck observer reduced as dictated by the airport/aircraft oper- cannot fulfill the requirements of the primary com- ator. The following speeds are recommended: municator with ATC, or at the discretion of airport Close quarters, turns, near gates: < 1 mph. management. When an escort is used, the escort Straight portions when about to stop: vehicle operator is responsible for: < 3 mph. Long hauls, straight portions: < 6 mph. The route to be used during the tow operation. When lightning is present, the TBLT opera- The speed of the tow operation. tor should not wear a headset connected to the Continuous monitoring of communications aircraft. If the TBLT operator and flight deck between the flight deck observer and ATC with observer are no longer in communication, lost the capability to contact the ATC if necessary. communication procedures should be initiated. In strong wind conditions, TBLT operations should be restricted based on manufacturer's 8.5 Wing/Tail Walkers recommendations. The following applies to wing and tail walkers: 10Emergency/Abnormal Procedures Properly signal the TBLT operator as soon as it appears the aircraft is in danger of colliding This section provides some examples of recom- with an obstruction (FAA AC 00-65). mended actions in the event of an emergency. These Use luminous wands at night (FAA AC 00-65). actions should be tailored to specific situations. Use approved hand signals. Loss or failure of the aviation band transceiver Remain at least 10 feet from TBLT and aircraft during a reposition requires the immediate stop- nose wheel and main gear during movement. page of the operation; the tow operation cannot Do not occupy or transit the direct path of the proceed without proper ATC clearance. aircraft wheels (FAA AC 00-65). ATC may use light gun signals to direct the Do not cross under aircraft during movement. TBLT, although the safest method to proceed Do not ride on any external portion of aircraft would be to contact airport operations for an or TBLT. escort out of the movement area. Remain in direct LOS contact with the TBLT Aircraft under tow that become disabled may operator. request mechanics for inspection and possible Wing and tail walkers are not required to: back-up tow to the ramp or maintenance area. Participate in annual proficiency checks, All emergencies must be coordinated with air- but should attend recurrent training, or port operations for an escort to access the airfield. Be fully qualified in all towing procedures. No unescorted direct access will be allowed. 12