Page 4
Rev. 24 Dec/20
AIRWORTHINESS LIMITATIONS
61-00-15
Propeller Owner's Manual
115N
Propeller/Engine
Blade Life Limit
Propeller: HC-(C,F,M)2YR-1BFP/F7499
Engine:
Engine Components, Inc. (ECI)
(I)OX-360-( )
8.5:1 to 10.2:1 Compression Ratio
Max Diameter 74 inches
Min. Diameter 72 inches
Operating
Restriction: “Do not operate above
24” manifold pressure below 2450 RPM”
10,000 hours
Propeller: HC-(C,F,M)2YR-1BFP/F7499
Engine:
Engine Components, Inc. (ECI)
(I)OX-370-( )
8.5:1 Compression Ratio
Max Diameter 74 inches
Min. Diameter 72 inches
Operating
Restriction: “Do not operate above
24” manifold pressure below 2450 RPM”
10,000 hours
FAA APPROVED
by: ______________________________ date: ____________
Manager, Chicago Aircraft Certification
Office,
ACE-115C
Federal Aviation Administration
AIRWORTHINESS LIMITATIONS
(2) The following list specifies life limits for blades only.
Associated hub parts are not affected. Blade models
shown are life limited only on the specified engine.