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Radio Control Helicopters

Author: P. Tradelius


Edition: Model Aviation - 1999/07
Page Numbers: 101, 102, 103

RADIO CONTROL HELICOPTERS LAST MONTH started present Gary Guys idea pilots should have individual emergency checklists helicopters Gary good friend fellow helicopter flier Bradenton Full-scale helicopters airplanes have checklists deal time-critical emergencies correct action must taken almost thought avert more-dangerous situation Wouldnt good idea learn full-scale counterparts develop checklist make model flying safe checklist engine fire during full-scale airplanes flight may something such 1 throttle idle 2 fuel lever shut 3 ignition off Once steps accomplished checklist could reviewed additional steps depending what other systems need shut down etc Although specific set steps would applicable model helicopters think could come up few own checklists use critical situations would save helicopter least prevent further damage Although have never developed list helicopters have thought about some mishaps should handle catastrophe develops helicopter best course action would autorotate down would get model ground quickly possible require power engine eliminate need tail rotor eliminate power rotor system minimize damage should helicopter eventually crash Although have opportunity auto helicopter down several occasions successful time safely recovered Heim Star Ranger low-altitude engine failure performing some Hammerhead Stalls close groundflying helicopter past bringing nose straight up doing 1800 Stall Turnwhen ran out airspeed wind blowing about 10 mph day really made maneuver look good did Stall Turn wind helicopter hanging air nose came around However bringing nose up near vertical engine blew plug stopping warning left going vertical belly wind close groundnot good place always told myself emergency auto steps would hit throttle hold switch reduce power get proper pitch curve 2 go full low collective maintain rotor speed 3 turn wind keep translational lift during flare reduce ground speed did things got helicopter pointing down wind uneventful auto piece cake dont think took four five seconds get helicopter ground after engine failed lucky have plan use thinking about Another technique use put small piece fuel tubing over throttle hold switch its easy find such emergency may thinking right Looking back incident really made Garys checklist idea take hold wonder never thought before idea what such emergency never formalized use such checklists would have develop ones suit helicopter July1999 101 Years ago author flew Cobra gunship Air Force Flights went smoothly instructor checklist large emergency section Maneuvering close ground makes hard recover runaway throttle dangerous close helicopter emergencies having plan increases odds safe landing Firmly gripping head prevents serious harm blades Carbon Fabric & Tape Keviar Fabric & Tape Fiberglass Fabric & Tape Specialty Fabrics Vacuum Bagging Supplies Custom Composite Panels Tech Assistance Available Call Write t AEROSPACE Composite Products Source Lightweight Materials 14210 Doolittle Drive San Leandro CA 94577 Tel 510 352-2022 Fax 510 352-2021 flying skills may look similar following Runaway Throttle could happen during engine start carrying helicopter away pit area transmitter receiver being off throttle stick above idle failed servo battery pack dozen other problems could cause engine go high power setting Thats its critical have firm hold rotor head during start transport may burn up engine clutch least rotor blades high-threat items under control happens 1 Check transmitter throttle stick idle 2 Check transmitter switch 3 Remove fuel line engine No matter much try prevent runaway throttle still happens occasion probable cause throttle stick out idle put wind blew neck strap throttle stick whatever did happen Getting throttle back idle solves problem next-most-probable cause runaway throttle transmitter off throttle out idle neither problem quick fix immediate engine shutdown needed fastest safest way to pull fuel line away engine means having fuel line exposed side helicopter facing starting/transporting helicopter checklist involves few simple steps also having helicopter right position Loss Control emergency procedure could cover several problems may encounter flying engine failure described above running out fuel tail rotor drive wire breaking loss tail rotor blade tailboom pulling out main frame loss flybar paddle rotor blade failure canopy coming loose flight etc Some may seem far-fetched has happened time another cases its best bring engine idle reduce eliminate power rotor system get helicopter ground ASAP means autorotation following 1 Throttle hold switch 2 Full low collective 3 Turn helicopter wind 4 Complete autorotation may thinking can apply since am starting hover maybe just getting forward flight etc idea write checklist will fit flying skill level helicopter rather get INTRODUCING NFW LINE PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock R/G engine thread sizes 5 sizes PROP HUBS ranging 1 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1-1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production R/G engine market have adapter problem. help phone call away. See hobby dealer call us direct. UsA TM RU Made I, us PRECISION MODEL PRODUCTS Romco Manufacturing Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713 / 943-1867 visit us internet ru-turnnet ws 102 Model Aviation king about flying helicopter trying anticipate problems before happen just starting hover would concerned runaway throttle mentioned above radio/battery failure hovering challenge come up own checklist send copy about developing procedure radio/battery failure can prepare flight minimize impact such failure can recognize problem What action will take points would consider Im sure can come up What type checklists can moreadvanced fliers develop make flying safer Think individual phase flight what can go wrong would deal talked Curtis Youngblood several years ago about flying techniques stays oriented helicopter goes through almost-impossible maneuvers hes famous Curtis said else fails remembers back-stick brings nose helicopter rotor blades means forward-stick moves nose away rotor blades profound statement refer am flying isnt emergency action checklist helicopter tumbling close ground losing orientation would certainly classify emergency What Curtiss action regain orientation remembering back-stick brings nose helicopter rotor blades example one-step checklist properly prepared executed has saved helicopter hope has given some ideas look forward hearing about ever-expanding checklists progress flying -It scale-looking answer fueling needs works great wish gas glow Machined lightweight aluminum Fuel-It munuts hole yuur cowl convenient place Fuel-Is will nut leak sume other fueling systems highly recummend Fuel-It pressurized systems such used Y5 engines Fuel-It looks great scale sport plane July1999 103 FFlAMA ILsafes S F E latest versions local hobby shop send stamped #10 envelope full info RAM 09BATTERY BACKER redundant batt syst up 60 size model$3995 RAM 11LOW BATTERY ALARM audio visual 48V 98V2495 RAM 12LOW FUEL LIGHT glo fuel monitor visible flight1995 RAM 17LOST PLANE FINDER Mk II 65DB 50 battery2495 RAM 18BIG AIRPLANE RF DE-GLITCHER SYSTEM replaces 10 chokes895 RAM 22SIMPLE CYCLER discharges 48V & 96V baft up 600 MA1995 RAM 25BIG PLANE BATTERY BACKER 10 amp cap w/2 switch hamesses5995 RAM 26BIG BATTERY CYCLER discharges 48V batt up 4000 MA2495 RAM 49IGNITER 800 MA board driver/statler 20821 engine4995 RAM 50IGNITER 1300 MA board driver/statler 358 up engine4995 RAM 62SERVO FAIL SAFE adi sate point & delay waterproofable2495 RAM 83RADIO SIGNAL WATCHDOG Provides 4 functions 1/2 oz1495 unavailable locally sand check money order full credit card info cost item plus $400 l$500 foreignl immediate shipment Include full address UPS Sorry no COD Ram 229E E Rollins Rd d Lake Beach IL 60073 YLALCLEVELAND MODEL & SUPPLY CO P0 Box 55962AA Indianapolis IN 46205-0962 4I LIWPhone 317 257-7878 Fax 317 257-7877 MODEL ENGINEERS SINCE 1919 Choose Over 1100 Plans Over 100 Aircraft Manufacturers Represented Five Aviation Eras Spanned Seven Scales Available 48-page Catalog- $500 $800 Foreign PRECISION FIB ERGS Hundreds cowls radial cowls & wheelpants Strong lightweight one-piece construction Exact duplicate manufacturers original Phone orders information call 423-984-0828Send $100 catalog $200 Outside US 9 am -6 pm EDT~i __ 3745 Fox Creek Rd sville TN 37777 E-Z BILT WWII Pedal Planes will have much fun building 3-6 year old will have flying Kit includes full size patterns complete instructions color photo list ready made parts included Kits $2000 total Specify plan wanted Kits available-P-38 P-40 F4UP-51F3F-1 Brochure $100 SASE Flight Line Toys ox 3484 ngfield MO 65808

Author: P. Tradelius


Edition: Model Aviation - 1999/07
Page Numbers: 101, 102, 103

RADIO CONTROL HELICOPTERS LAST MONTH started present Gary Guys idea pilots should have individual emergency checklists helicopters Gary good friend fellow helicopter flier Bradenton Full-scale helicopters airplanes have checklists deal time-critical emergencies correct action must taken almost thought avert more-dangerous situation Wouldnt good idea learn full-scale counterparts develop checklist make model flying safe checklist engine fire during full-scale airplanes flight may something such 1 throttle idle 2 fuel lever shut 3 ignition off Once steps accomplished checklist could reviewed additional steps depending what other systems need shut down etc Although specific set steps would applicable model helicopters think could come up few own checklists use critical situations would save helicopter least prevent further damage Although have never developed list helicopters have thought about some mishaps should handle catastrophe develops helicopter best course action would autorotate down would get model ground quickly possible require power engine eliminate need tail rotor eliminate power rotor system minimize damage should helicopter eventually crash Although have opportunity auto helicopter down several occasions successful time safely recovered Heim Star Ranger low-altitude engine failure performing some Hammerhead Stalls close groundflying helicopter past bringing nose straight up doing 1800 Stall Turnwhen ran out airspeed wind blowing about 10 mph day really made maneuver look good did Stall Turn wind helicopter hanging air nose came around However bringing nose up near vertical engine blew plug stopping warning left going vertical belly wind close groundnot good place always told myself emergency auto steps would hit throttle hold switch reduce power get proper pitch curve 2 go full low collective maintain rotor speed 3 turn wind keep translational lift during flare reduce ground speed did things got helicopter pointing down wind uneventful auto piece cake dont think took four five seconds get helicopter ground after engine failed lucky have plan use thinking about Another technique use put small piece fuel tubing over throttle hold switch its easy find such emergency may thinking right Looking back incident really made Garys checklist idea take hold wonder never thought before idea what such emergency never formalized use such checklists would have develop ones suit helicopter July1999 101 Years ago author flew Cobra gunship Air Force Flights went smoothly instructor checklist large emergency section Maneuvering close ground makes hard recover runaway throttle dangerous close helicopter emergencies having plan increases odds safe landing Firmly gripping head prevents serious harm blades Carbon Fabric & Tape Keviar Fabric & Tape Fiberglass Fabric & Tape Specialty Fabrics Vacuum Bagging Supplies Custom Composite Panels Tech Assistance Available Call Write t AEROSPACE Composite Products Source Lightweight Materials 14210 Doolittle Drive San Leandro CA 94577 Tel 510 352-2022 Fax 510 352-2021 flying skills may look similar following Runaway Throttle could happen during engine start carrying helicopter away pit area transmitter receiver being off throttle stick above idle failed servo battery pack dozen other problems could cause engine go high power setting Thats its critical have firm hold rotor head during start transport may burn up engine clutch least rotor blades high-threat items under control happens 1 Check transmitter throttle stick idle 2 Check transmitter switch 3 Remove fuel line engine No matter much try prevent runaway throttle still happens occasion probable cause throttle stick out idle put wind blew neck strap throttle stick whatever did happen Getting throttle back idle solves problem next-most-probable cause runaway throttle transmitter off throttle out idle neither problem quick fix immediate engine shutdown needed fastest safest way to pull fuel line away engine means having fuel line exposed side helicopter facing starting/transporting helicopter checklist involves few simple steps also having helicopter right position Loss Control emergency procedure could cover several problems may encounter flying engine failure described above running out fuel tail rotor drive wire breaking loss tail rotor blade tailboom pulling out main frame loss flybar paddle rotor blade failure canopy coming loose flight etc Some may seem far-fetched has happened time another cases its best bring engine idle reduce eliminate power rotor system get helicopter ground ASAP means autorotation following 1 Throttle hold switch 2 Full low collective 3 Turn helicopter wind 4 Complete autorotation may thinking can apply since am starting hover maybe just getting forward flight etc idea write checklist will fit flying skill level helicopter rather get INTRODUCING NFW LINE PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock R/G engine thread sizes 5 sizes PROP HUBS ranging 1 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1-1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production R/G engine market have adapter problem. help phone call away. See hobby dealer call us direct. UsA TM RU Made I, us PRECISION MODEL PRODUCTS Romco Manufacturing Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713 / 943-1867 visit us internet ru-turnnet ws 102 Model Aviation king about flying helicopter trying anticipate problems before happen just starting hover would concerned runaway throttle mentioned above radio/battery failure hovering challenge come up own checklist send copy about developing procedure radio/battery failure can prepare flight minimize impact such failure can recognize problem What action will take points would consider Im sure can come up What type checklists can moreadvanced fliers develop make flying safer Think individual phase flight what can go wrong would deal talked Curtis Youngblood several years ago about flying techniques stays oriented helicopter goes through almost-impossible maneuvers hes famous Curtis said else fails remembers back-stick brings nose helicopter rotor blades means forward-stick moves nose away rotor blades profound statement refer am flying isnt emergency action checklist helicopter tumbling close ground losing orientation would certainly classify emergency What Curtiss action regain orientation remembering back-stick brings nose helicopter rotor blades example one-step checklist properly prepared executed has saved helicopter hope has given some ideas look forward hearing about ever-expanding checklists progress flying -It scale-looking answer fueling needs works great wish gas glow Machined lightweight aluminum Fuel-It munuts hole yuur cowl convenient place Fuel-Is will nut leak sume other fueling systems highly recummend Fuel-It pressurized systems such used Y5 engines Fuel-It looks great scale sport plane July1999 103 FFlAMA ILsafes S F E latest versions local hobby shop send stamped #10 envelope full info RAM 09BATTERY BACKER redundant batt syst up 60 size model$3995 RAM 11LOW BATTERY ALARM audio visual 48V 98V2495 RAM 12LOW FUEL LIGHT glo fuel monitor visible flight1995 RAM 17LOST PLANE FINDER Mk II 65DB 50 battery2495 RAM 18BIG AIRPLANE RF DE-GLITCHER SYSTEM replaces 10 chokes895 RAM 22SIMPLE CYCLER discharges 48V & 96V baft up 600 MA1995 RAM 25BIG PLANE BATTERY BACKER 10 amp cap w/2 switch hamesses5995 RAM 26BIG BATTERY CYCLER discharges 48V batt up 4000 MA2495 RAM 49IGNITER 800 MA board driver/statler 20821 engine4995 RAM 50IGNITER 1300 MA board driver/statler 358 up engine4995 RAM 62SERVO FAIL SAFE adi sate point & delay waterproofable2495 RAM 83RADIO SIGNAL WATCHDOG Provides 4 functions 1/2 oz1495 unavailable locally sand check money order full credit card info cost item plus $400 l$500 foreignl immediate shipment Include full address UPS Sorry no COD Ram 229E E Rollins Rd d Lake Beach IL 60073 YLALCLEVELAND MODEL & SUPPLY CO P0 Box 55962AA Indianapolis IN 46205-0962 4I LIWPhone 317 257-7878 Fax 317 257-7877 MODEL ENGINEERS SINCE 1919 Choose Over 1100 Plans Over 100 Aircraft Manufacturers Represented Five Aviation Eras Spanned Seven Scales Available 48-page Catalog- $500 $800 Foreign PRECISION FIB ERGS Hundreds cowls radial cowls & wheelpants Strong lightweight one-piece construction Exact duplicate manufacturers original Phone orders information call 423-984-0828Send $100 catalog $200 Outside US 9 am -6 pm EDT~i __ 3745 Fox Creek Rd sville TN 37777 E-Z BILT WWII Pedal Planes will have much fun building 3-6 year old will have flying Kit includes full size patterns complete instructions color photo list ready made parts included Kits $2000 total Specify plan wanted Kits available-P-38 P-40 F4UP-51F3F-1 Brochure $100 SASE Flight Line Toys ox 3484 ngfield MO 65808

Author: P. Tradelius


Edition: Model Aviation - 1999/07
Page Numbers: 101, 102, 103

RADIO CONTROL HELICOPTERS LAST MONTH started present Gary Guys idea pilots should have individual emergency checklists helicopters Gary good friend fellow helicopter flier Bradenton Full-scale helicopters airplanes have checklists deal time-critical emergencies correct action must taken almost thought avert more-dangerous situation Wouldnt good idea learn full-scale counterparts develop checklist make model flying safe checklist engine fire during full-scale airplanes flight may something such 1 throttle idle 2 fuel lever shut 3 ignition off Once steps accomplished checklist could reviewed additional steps depending what other systems need shut down etc Although specific set steps would applicable model helicopters think could come up few own checklists use critical situations would save helicopter least prevent further damage Although have never developed list helicopters have thought about some mishaps should handle catastrophe develops helicopter best course action would autorotate down would get model ground quickly possible require power engine eliminate need tail rotor eliminate power rotor system minimize damage should helicopter eventually crash Although have opportunity auto helicopter down several occasions successful time safely recovered Heim Star Ranger low-altitude engine failure performing some Hammerhead Stalls close groundflying helicopter past bringing nose straight up doing 1800 Stall Turnwhen ran out airspeed wind blowing about 10 mph day really made maneuver look good did Stall Turn wind helicopter hanging air nose came around However bringing nose up near vertical engine blew plug stopping warning left going vertical belly wind close groundnot good place always told myself emergency auto steps would hit throttle hold switch reduce power get proper pitch curve 2 go full low collective maintain rotor speed 3 turn wind keep translational lift during flare reduce ground speed did things got helicopter pointing down wind uneventful auto piece cake dont think took four five seconds get helicopter ground after engine failed lucky have plan use thinking about Another technique use put small piece fuel tubing over throttle hold switch its easy find such emergency may thinking right Looking back incident really made Garys checklist idea take hold wonder never thought before idea what such emergency never formalized use such checklists would have develop ones suit helicopter July1999 101 Years ago author flew Cobra gunship Air Force Flights went smoothly instructor checklist large emergency section Maneuvering close ground makes hard recover runaway throttle dangerous close helicopter emergencies having plan increases odds safe landing Firmly gripping head prevents serious harm blades Carbon Fabric & Tape Keviar Fabric & Tape Fiberglass Fabric & Tape Specialty Fabrics Vacuum Bagging Supplies Custom Composite Panels Tech Assistance Available Call Write t AEROSPACE Composite Products Source Lightweight Materials 14210 Doolittle Drive San Leandro CA 94577 Tel 510 352-2022 Fax 510 352-2021 flying skills may look similar following Runaway Throttle could happen during engine start carrying helicopter away pit area transmitter receiver being off throttle stick above idle failed servo battery pack dozen other problems could cause engine go high power setting Thats its critical have firm hold rotor head during start transport may burn up engine clutch least rotor blades high-threat items under control happens 1 Check transmitter throttle stick idle 2 Check transmitter switch 3 Remove fuel line engine No matter much try prevent runaway throttle still happens occasion probable cause throttle stick out idle put wind blew neck strap throttle stick whatever did happen Getting throttle back idle solves problem next-most-probable cause runaway throttle transmitter off throttle out idle neither problem quick fix immediate engine shutdown needed fastest safest way to pull fuel line away engine means having fuel line exposed side helicopter facing starting/transporting helicopter checklist involves few simple steps also having helicopter right position Loss Control emergency procedure could cover several problems may encounter flying engine failure described above running out fuel tail rotor drive wire breaking loss tail rotor blade tailboom pulling out main frame loss flybar paddle rotor blade failure canopy coming loose flight etc Some may seem far-fetched has happened time another cases its best bring engine idle reduce eliminate power rotor system get helicopter ground ASAP means autorotation following 1 Throttle hold switch 2 Full low collective 3 Turn helicopter wind 4 Complete autorotation may thinking can apply since am starting hover maybe just getting forward flight etc idea write checklist will fit flying skill level helicopter rather get INTRODUCING NFW LINE PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock R/G engine thread sizes 5 sizes PROP HUBS ranging 1 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1-1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production R/G engine market have adapter problem. help phone call away. See hobby dealer call us direct. UsA TM RU Made I, us PRECISION MODEL PRODUCTS Romco Manufacturing Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713 / 943-1867 visit us internet ru-turnnet ws 102 Model Aviation king about flying helicopter trying anticipate problems before happen just starting hover would concerned runaway throttle mentioned above radio/battery failure hovering challenge come up own checklist send copy about developing procedure radio/battery failure can prepare flight minimize impact such failure can recognize problem What action will take points would consider Im sure can come up What type checklists can moreadvanced fliers develop make flying safer Think individual phase flight what can go wrong would deal talked Curtis Youngblood several years ago about flying techniques stays oriented helicopter goes through almost-impossible maneuvers hes famous Curtis said else fails remembers back-stick brings nose helicopter rotor blades means forward-stick moves nose away rotor blades profound statement refer am flying isnt emergency action checklist helicopter tumbling close ground losing orientation would certainly classify emergency What Curtiss action regain orientation remembering back-stick brings nose helicopter rotor blades example one-step checklist properly prepared executed has saved helicopter hope has given some ideas look forward hearing about ever-expanding checklists progress flying -It scale-looking answer fueling needs works great wish gas glow Machined lightweight aluminum Fuel-It munuts hole yuur cowl convenient place Fuel-Is will nut leak sume other fueling systems highly recummend Fuel-It pressurized systems such used Y5 engines Fuel-It looks great scale sport plane July1999 103 FFlAMA ILsafes S F E latest versions local hobby shop send stamped #10 envelope full info RAM 09BATTERY BACKER redundant batt syst up 60 size model$3995 RAM 11LOW BATTERY ALARM audio visual 48V 98V2495 RAM 12LOW FUEL LIGHT glo fuel monitor visible flight1995 RAM 17LOST PLANE FINDER Mk II 65DB 50 battery2495 RAM 18BIG AIRPLANE RF DE-GLITCHER SYSTEM replaces 10 chokes895 RAM 22SIMPLE CYCLER discharges 48V & 96V baft up 600 MA1995 RAM 25BIG PLANE BATTERY BACKER 10 amp cap w/2 switch hamesses5995 RAM 26BIG BATTERY CYCLER discharges 48V batt up 4000 MA2495 RAM 49IGNITER 800 MA board driver/statler 20821 engine4995 RAM 50IGNITER 1300 MA board driver/statler 358 up engine4995 RAM 62SERVO FAIL SAFE adi sate point & delay waterproofable2495 RAM 83RADIO SIGNAL WATCHDOG Provides 4 functions 1/2 oz1495 unavailable locally sand check money order full credit card info cost item plus $400 l$500 foreignl immediate shipment Include full address UPS Sorry no COD Ram 229E E Rollins Rd d Lake Beach IL 60073 YLALCLEVELAND MODEL & SUPPLY CO P0 Box 55962AA Indianapolis IN 46205-0962 4I LIWPhone 317 257-7878 Fax 317 257-7877 MODEL ENGINEERS SINCE 1919 Choose Over 1100 Plans Over 100 Aircraft Manufacturers Represented Five Aviation Eras Spanned Seven Scales Available 48-page Catalog- $500 $800 Foreign PRECISION FIB ERGS Hundreds cowls radial cowls & wheelpants Strong lightweight one-piece construction Exact duplicate manufacturers original Phone orders information call 423-984-0828Send $100 catalog $200 Outside US 9 am -6 pm EDT~i __ 3745 Fox Creek Rd sville TN 37777 E-Z BILT WWII Pedal Planes will have much fun building 3-6 year old will have flying Kit includes full size patterns complete instructions color photo list ready made parts included Kits $2000 total Specify plan wanted Kits available-P-38 P-40 F4UP-51F3F-1 Brochure $100 SASE Flight Line Toys ox 3484 ngfield MO 65808

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