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1. 

AIRCRAFT GENERAL INFORMATION 

 

AVID  MK4  Speedwing  Aircraft  flight  characteristics  are  similar  to  the  flight  characteristics  of 
other Standard Category aircraft. 
 
Aeronautical  skill  and  knowledge  required  to  obtain  FAA  issued  Private  Pilot  class  license  is 
sufficient, and required, for the operation of the Avid Mk4 aircraft. Of particular importance is the 
effect of temperature, atmospheric pressure, and density altitude on the aircraft’s performance. 
The  pilot  must  be  aware  of  increased  stall  speed  as  related  to  angle  of  bank,  “G”  forces,  and 
increases  of  operating  weights.  Also  the  increase  of  turning  radius  as  related  to  increased 
airspeed. 
 
Engine operating procedures, conditions, and instrument markings to be in accordance with the 
engine manufacturer’s operating manual (summarized in this Flight Manual). 
 
Operation of installed equipment, such as battery, lights, electronic equipment, etc. are to be in 
accordance with the equipment manufacturer’s manuals and instructions. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

2. 

OPERATING LIMITATIONS 

 

THESE OPERATING LIMITATIONS SHALL BE ACCESSIBLE TO THE PILOT

 

 
               

EXPERIMENTAL OPERATING LIMITATIONS 

               OPERATING AMATEUR-BUILT AIRCRAFT

 

 

REG. NO. 

MAKE 

 

MODEL 

SERIAL NO     

 

N97HD    

HARLAN D. HUFF    

MKIV  AVID 

1396D 

 
 

1. 

No person may operate this aircraft for other than the purpose for which the Special 
Purpose Airworthiness Certificate was issued. The aircraft shall be operated in 
accordance with the applicable FAA Air Traffic and General Operating Rules, FAR 
Part 91.42 and the additional limitations prescribed herein. 

2. 

All flights shall be conducted within the following geographical area:  
 25 NAUTICAL MILE RADIUS OF TRACY AIRPORT, TRACY, CA. 

3. 

No operations, including takeoffs and landings, shall be conducted over densely 
populated areas or in congested airways, except at those airports authorized as 
follows: 
BYRON, CA; NEW JERUSALEM, CA ; LIVERMORE, CA 

4. 

Operator of this aircraft shall notify the control tower of the experimental nature of this 
aircraft when operating into or out of airports with operating control towers. 

5. 

This aircraft is approved for day VFR operation only. 

6. 

This aircraft shall contain the placards, listings and instrument markings required by 
FAR 91.31 

7. 

No person may operate this aircraft for carrying persons or property for compensation 
or hire.      

8. 

No person may be carried in this aircraft during flight unless that person is required for 
the purpose of the flight.  No passengers will be carried while undergoing flight tests. 

9. 

Any major change to this aircraft, as defined by FAR 21.93, invalidates the Special 
Airworthiness Certificate issued for this aircraft. 

10.  This aircraft does not meet the requirements of the applicable, comprehensive, and 

detailed airworthiness code as provided by Annex 8 to the Convention on International 
Civil Aviation. This aircraft may not be operated over any other country without the 
permission of that country. 

11.  These Operating Limitations may be amended subsequent to 40 hours by application 

for and issuance of a new Special Airworthiness Certificate. 

12.  These Operating Limitations expire on    and may be amended by application for and 

issuance of a new Special Airworthiness Certificate. 

13.  An Experimental sign, letter size minimum 2 inches high, shall be displayed at each 

entrance to the aircraft. 

 
 
Robert M Smedley Jr 
Principal Maintenance Inspector 

 

 

 

Date issues:  09/10/2002 
 
 

Summary of Contents for SPEEDWING MKIV

Page 1: ...3 FUEL CAPACITY 3 OPERATING SPEEDS 3 PERFORMANCE INFORMATION 3 4 CHECKLISTS 4 5 FLIGHT TEST PROGRAM 5 6 MINIMUM EQUIPMENT LIST 5 7 AIRCRAFT and SYSTEMS DESCRIPTION 6 GENERAL 6 ENGINE 6 PROPELLER 8 FU...

Page 2: ...aphical area 25 NAUTICAL MILE RADIUS OF TRACY AIRPORT TRACY CA 3 No operations including takeoffs and landings shall be conducted over densely populated areas or in congested airways except at those a...

Page 3: ...dder Travel deg RIGHT deg LEFT Wing Angle of Incidence deg Stabilizer Angle of Incidence deg Wing Washout Geometric Twist 1 5 inches at tip Wing Dihedral deg FUEL CAPACITY Wing Tank 17 gallons Right w...

Page 4: ...idle Choke on PULL if OAT below 5 degree C Both magneto switches on BEFORE TAKEOFF Check brakes Engine run up RPM to 1600 Mag check RPM to 1000 idle check Altimeter set Trim set for takeoff Oil temp...

Page 5: ...0 Degree Bank at MGW mid CG 26 Service Ceiling 6 MINIMUM EQUIPMENT LIST GENERAL This Minimum Equipment List is to be used prior to flight to determine if this aircraft is legal to fly with one or more...

Page 6: ...etween each big end it therefore does not have flying webs 48mm main bearings are also of the automotive slipper type Thrust bearings are located for and aft of the front double bearing allowing eithe...

Page 7: ...Phase Power Rating 60kw 80hp 3300rpm Fuel Consumption Cruse power 0 46 lbs per horsepower hour 274 grams Kw hour at cruse power Fuel AVGAS 100 130LL Oil AeroShell W100 or 15W50 or equivalent aircraft...

Page 8: ...To reset the circuit breaker simply push in the reset button It may be necessary to allow approximately two minutes for cooling before resetting a circuit breaker Corrective action should be taken in...

Page 9: ...smallest time division is one tenth of a minute or six seconds Pressing RST stops the timer if it was running and resets it to 0 0 Pressing PRE stops the timer and sets it to the preload value of 60 m...

Page 10: ...he SIL VOLT pushbutton is held in the clock portion of the display indicates the time to fuel exhaustion in hours and 1 10 s The endurance is calculated using the amount of fuel remaining and the fuel...

Page 11: ...e T2000 is turned off by holding down the ON Key The word SHUT DOWN is displayed and the T2000 counts down from 3 then turns off If the ON Key is lifted before the count is finished the T2000 returns...

Page 12: ...ert Tone option Rotate CODE SELECT knob scroll lower line to select ON or OFF The default is ON ENTER KEY The ENTER key is a confirmation key used to confirm information the user has input After press...

Page 13: ...13 8 FORMS OIL CONSUMPTION LOG N97HD DATE HOBBS QTS ADDED SQUAWK and OPEN ITEMS LIST N97HD DATE HOBBS ITEM CLEARED...

Page 14: ...8 320 608 440 824 640 1184 840 1544 30 86 130 266 230 446 330 626 460 860 660 1220 860 1580 40 104 140 284 240 464 340 644 480 896 680 1256 880 1616 50 122 150 302 250 482 350 662 500 932 700 1292 900...

Page 15: ...t Forward CG Weight Arm Moment CG Aircraft 576 9 78 5633 50 Pilot 170 16 00 2720 00 Fuel 0 5 3 15 00 45 00 749 8398 50 11 21 Most Aft CG Weight Arm Moment CG Aircraft 576 9 78 5633 50 Pilot 170 16 00...

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