DC-9 General Limitations/Knowledge Flashcards
Maximum Taxi and Ramp Weight
115,000 lbs.
Maximum Start of Take-off Weight
114,000 lbs. (series 33)
110,000 lbs. (series 32)
Zero Fuel Weight
95,500 lbs.
Landing Weight
102,000 lbs.
Maximum Field Elevation
8,500 ft. MSL
Minimum Field Elevation
-1,000 ft. MSL
Maximum Temp Takeoff
50C / 122F
Minimum Temp Takeoff
- 54C / -65F below 5,400 ft. MSL
- 40C / -40F above 5,400 ft. MSL
Maximum Runway Slope
+1.7% and -2.0%
Maximum Tailwind Component
10 kts.
Maximum Crosswind for Wet Runway - GOOD
22 kts.
Maximum Crosswind for Wet Runway - FAIR
18 Kts.
Maximum Crosswind for Wet Runway - POOR
15 kts.
Maximum Tire Speed
195 kts.
Maximum Demonstrated Crosswind Component
38 kts. (not a limitation, but should be)
Maximum Contamination Depth for Takeoff
1/2” for wet precipitation
4” for dry precipitation (snow)
Maximum Contamination Depth for Landing
1” for wet precipitation
6” for dry precipitation
Maximum Altitude
FL350 (DC9) FL370 (MD80)
Maximum Temperature Enroute
35C
Minimum Temperature Enroute
-76C
Maximum Speed (Vmo/Mmo)
340 kts.
M.84
Rough Airspeed
285 kts.
M.79
Below 10,000 ft. MSL 250 kts. is sufficient
Maximum Lateral Fuel Imbalance
800 lbs. Taxi, Takeoff, and Landing
1,000 lbs. In Flight
When is a go around not recommended?
When each main tank contains less than 500 lbs.
Maximum Fueling Pressure
50 psi
Normal Oil Pressure psi
40 - 55 psi
Caution Range Oil Pressure psi
35 - 40 psi
Cracked Windshield Maximum Speeds
Below 10,000 ft. MSL - 235 kts.
Above 10,000 ft. MSL - No Restrictions
Normal Oil Quantity
14 - 16 qts
Minimum Oil Quantity for Takeoff
8 qts
What is the maximum operating altitude with one air conditioning unit inoperative?
FL250
Maximum Windshield Heat
Below 10,000 ft. MSL - 315 kts.
Above 10,000 ft. MSL - No Restrictions
Above what temperature should you not use airfoil anti ice?
10C