C5 Dash 8 Limitations Flashcards
Max Operating Altitude
25,000 ft ASL
Max Crosswind Component
36 kts.
Max Ambient Temperature, Airframe and Powerplant
+48.9 C or ISA + 35 C
Minimum Ambient Temperature, Airframe and Powerplant
-54 C
Airplane Maximum operating ambient temperature for Takeoff with Bleeds ON
-300 41.9 C (107 F)
Airplane maximum operating ambient temperature for Landing with Bleeds ON
41.9 C (107 F)
Maximum Altitude with landing gear and/or flaps extended
15,000 ft
Maximum Takeoff Power is limited to:
5 minutes w/ the engine uptrim system.
ITT (T6) Limits:
- 800 - 840 C - 20 sec
- 840 - 900 C - 12 sec
- 900 - 950 C - 5 sec
Usable fuel per tank:
2,839 lbs.
Other fuel limitations:
- Tank 1 & 2 Aux pumps must be on for takeoff and landing.
- Continuous operation with fuel heater outlet temperature below 11 C or above 57 C is prohibited.
Starter cranking limits:
- 1 minute, 2 minutes off
- 1 minute, 2 minutes off
- 1 minute, 30 minutes off.
Max torque with prop feathered:
- -200: 57%
- -300: 48%
Max cabin pressure differential during taxi, takeoff, and landing:
.5 psi
Max Cabin Altitude:
8,000 ft.
Ground icing condition:
- SAT is 10 C or below when precip in any form is present, or fog with vis of one mile or less.
- Any surface snow, ice, slush, or standing water.
In flight icing conditions:
SAT is 5 C or below in any visible moisture.
Icing conditions require:
- Engine intake bypass doors must be open
- Engine ignition switch at AUTO.
DC Gen Limitations:
- Ground: .7
- Flight: 1.0
For battery starts Generator load may exceed this value for up to one minute.
TRU Limitations:
Ground and Flight: 1
AC Gen Limitations:
- Ground < 10 C. 1.0
- Ground 10 C or above: .33
- Flight: 1.0
Inverter Limitations:
Ground / Flight: 1
Oil pressure range below 75% NH
40 - 55 psi
Oil Temp at 115-125 C limited to:
20 min
Prior to unfeathering prop or power settings above idle:
Oil Temp must be above 0 C
Oil Temp min of ____ required for adequate inlet splitter anti-icing
45 C
-200 Max Torque with prop feathered:
57%
-300 Max torque with prop feathered:
48%
Max Tailwind Component for Takeoff and Landing:
20 kts
Limitations for Takeoff and Landing with
Tailwinds from 11 to 20 kts
Must be Operative:
- Both ECUs
- Anti-Skid
- Autofeather
- Nosewheel Steering
Flaps:
- 15 for Takeoff
- 35 for Landing
Other:
- Normal Takeoff Power (NTOP) must be used. (No reduced power)
- Bleeds must be selected OFF.
- Runway must be uncontaminated
- Approach angle Max is 4 deg (-200)
- Condition Levers must set to 1200 RPM for Landing
Required Equipment for Takeoff and Landing with tailwind components of 11-20 kts
Must be Operative:
- Both ECUs
- Anti-Skid
- Autofeather
- Nosewheel Steering
-200 Minimum Torque for Reduced Torque Takeoffs
88.5%
-300 Minimum Torque for Reduced Torque Takeoffs
82%
Required Equipment for Reduced Torque Takeoffs
Must be Operative:
- Anti-Skid
- Both ECUs
- Autofeather
- Engine Up-trim
Reduced Torque Takeoff Limitations:
Prohibited when
- Special Departure Procedure specifies full power for Takeoff
- Tailwind must not exceed 10 kts
- Windshear must not be present or suspected
- Runway surface cannot be unpaved or gravel
- Runway slope must be 2% or less
- First flight of the day must be a full power (NTOP) takeoff
APU Temperature Limitations
- Upper: 48.9 C or ISA + 30 C, whichever is lower
- Lower: -43 C
APU Limitations
CommutAir requires a flight crew member to be onboard whenever the APU is running
- Ground Ops Only
- Must not be operated during gravity refueling
Refer to Maintenance Manual for approved oils
AHRS Limitations
Takeoff in
- BASIC mode is prohibited
- Advisory light illuminated on AHRS panel is prohibited
- DG mode is prohibited
HGS Limitations
HGS takeoff in reduced visibility conditions requires that the PRIMARY (PRI) mode be selected
EFIS Limitations
ILS and FMS based approaches are not permitted using composite EHS/EADI display
Automatic Flight Control Systems (AFCS) Limitations
- AFCS is approved for autopilot coupled approaches to CAT I limits only
- During autopilot operation, the pilot must be seated at the controls with harness secured
- The autopilot must not be manually overpowered
- Use of VOR without associated DME is prohibited in NAV and APP mode
- Autopilot (coupled) back course approaches are not permitted
AFCS Altitude Limitations
- On approach the autopilot must be disengaged at or above 200 feet above runway elevation
- After takeoff or go-around the minimum height for autopilot engagement is 1,000 AGL
Flap settings for takeoff and landing with tailwinds of 11-20 kts.
- Takeoff: 15 deg
- Landing: 35 deg
Prop RPM setting for landing with tailwind of 11-20 kts:
1200 RPM
Engine settings for tailwinds of 11-20 kts for takeoff or landing:
- Normal Takeoff Power (NTOP) must be used (no reduced power).
- Bleeds must be selected OFF.
Automatic Flight Control Systems (AFCS) Prohibitions:
- Autopilot must be disengaged in severe icing
- Autopilot must be disengaged in severe turbulence
AFCS Approach Angle Limitations:
Autopilot (coupled) and flight director (manual) approaches are approved for a glideslope angle of 2.5 deg to a maximum of 4 deg. Glideslope angles greater than 3 deg are approved for approach flaps 15 only.
AFCS Flap Limitations
APP mode is not permitted with:
- Flaps 35
- Flaps 5 autopilot engaged below 1,500 AGL (-300)
- Flaps 0 autopilot engaged below 500 AGL (-300)
Maximum Altitude for Take Off and Landing
10,000 ft.
Max inflight fuel imbalance
600 lbs.
