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Details

H269C Limitations
Limitations of the Hughes 269C helicopter
18
Aviation
Professional
04/21/2013

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Cards

Term
Is IFR operation pemitted?
Definition
No
Term
What is max Vne with the doors OFF
Definition

89 knots

(decreases with DA, see charts!)

Term
What is the maximum operating altitude?
Definition

1700 lbs gross or less: DA max 14,600

Over 1700 lbs: DA max 12,000

Term
What is the cabin weight limit?
Definition

600 pounds

(but see weight and balance!)

Term
What is the max Vne doors ON
Definition

95 knots

(decreases with DA, see charts!)

Term
What are the main rotor RPM limits?
Definition

390 RPM to 504 RPM

(power off - 

engine RPM limits when power on)

Term
What is the max gross weight
Definition

2050 lbs at sea level DA

1610 lbs at DA of 7000 feet

Term
What is the engine's max continuous power and at what MP/RPM
Definition

190 hp at 26" and 3200 RPM

(reduces to 24.7" MP at 4200 ft

refer to placard on instrument panel!)

Term
What is the flight minimum engine RPM
Definition
3000 RPM
Term
What is the max RPM with rotor disengaged?
Definition
1600 RPM
Term
When is the fuel boost pump required
Definition

Required for takeoff, landing, under 450AGL

(normally run continuously)

Term
What is the maximum weight in the cabin?
Definition
600 pounds
Term
What is the engine RPM green range
Definition
3000 to 3200 RPM
Term
What happens if engine RPM exceeds 2000 with rotor disengaged
Definition
Drive shaft and coupling must be inspected
Term
What is the engine idle speed range?
Definition
1200 to 1600 RPM
Term
What is the maximum slope angle in the H269, and what limits it?
Definition
About 8 degrees. Limited by either cyclic travel or droop stop bumping.
Term
What CAUTION applies to heater operation?
Definition
Blower must be on during all engine operation. Operation with blower off may cause damage to exhaust stacks or heater assembly.
Term
What WARNING applies to heater operation?
Definition
Limit heater ground operation to five minutes with the engine running to prevent ingestion of engine and exhaust fumes into aircraft cabin.
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