9. DESCENT PERFORMANCE | Main page | Previous | Next |
Lockheed 1049G/C121G Super Constellation
Operations Manual Synopsis
Descent Performance |
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Stage of Flight |
Blowers |
RPM |
BMEP |
Kts IAS |
% Cowl Flaps |
% Oil Flaps |
% Wing Flaps |
Initial Descent Approx. 1000 FPM |
High | 1800 | 120 | Less than Vne or Vb |
AR | AR | Up |
Low under 10,000 Ft. |
1700 | 110 | AR | AR | Up | ||
Emergency Descent Gear and Flaps |
Low | 2600 | Idle | 155 | 100 | 100 | 100 |
Emergency Descent Clean |
Low | 2600 | Idle | 293 | 100 | 100 | Up |
Traffic Area | Low | 2400 | AR | 170 | AR | AR | 60 |
Downwind | Low | 2600 | AR | 140 | AR | AR | 60 |
Base | Low | 2600 | AR | 140-130 | AR | AR | 80 |
Final Approach | Low | 2600 | AR | Vapr, Vat | AR | AR | 100 |
Missed Approach | Low | 2900 | Max | Vy | 40 | 40 | See notes |
* AR: As required by operating conditions. * Ignition: Retard spark above 2500 RPM with low blowers, and above 2400 RPM with high blowers. Except when the checklist directs otherwise, use Normal Spark below these RPM settings. * Missed Approach Notes: Gross Weight must be 110,000 or less; raise flaps to 60%, establish Vx or Vy; Gear Up when Flaps 60%, Flaps up at Vy; Accelerate to 152 Kts IAS, climb to missed-approach fix. |
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