STC SR00328BO

This Certificate issued to Firefly, Inc.

318 Tremont Street South Carver, Massachusetts 02366 Part 27 of the Federal Aviation Regulations.

Original Product Type Certificate Number : H11NM Make : Robinson Helicopter Company Model : R44, R44 II Description of Type Design Change:

Installation of Firefly Agricultural Spreader System in accordance with Master Drawing List (MDL) FFI- 10000DRMDL Rev. B, dated January 15, 2013, or later FAA approved revision.

1. Limited to Restricted Category and Day VFR with Firefly Agricultural Spreader System.

2. Instructions for Continued Airworthiness (ICA), Document No. FFI-10000DR-003, dated January 2013 or later FAA accepted revision shall be made available to the operator at the time of installation.

(Limitations and Conditions continued on Page 3 of 3)

Date of application : April 10, 2012

Date of issuance : March 19, 2013 Date reissued :

( Signature) Robert G. Mann Manager Boston Aircraft Certification Office

( Title)

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SR00328BO March 19, 2013

FAA Form 8110-2-1(10-69) Page 2 of 3

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee) (Number and street)

( City, State, and ZIP code)

from (Name of grantor)(Print or type)

(Address of grantor) (Number & street)

(City, State, and ZIP code)

Signature of grantor ( In ink):

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SR00328BO March 19, 2013

FAA Form 8110-2-1(10-69) Page 3 of 3

Limitations and Conditions: (continued from Page 1 of 3)

3. Firefly Rotorcraft Flight Manual Supplement for Robinson R44 Series with Firefly Agricultural Spreader System, FFI-10000DR-001, Revision: Initial, dated March 19, 2013, or later FAA approved revision, is required and must be carried in the aircraft during all flights.

4. Installation of STC SR00311BO and STC SR00324BO is a prerequisite or concurrent requirement.

5. Spreading media is limited to Nitrogen/Potash/Potassium (NPK) based on dry granular fertilizer and granular lime.

6. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that aircraft.

Type Certificate Data Sheet:

Robinson Helicopter Company TCDS H11NM is modified for this STC as follows:

Model R44/R44 II (Restricted Category Rotorcraft with Firefly Agricultural Spreader System installed)

Airspeed Limits V NE with Firefly Agricultural Spreader System installed is 50 KIAS

Maximum Operation Altitude 1,500 ft AGL

Certification Basis :

Based on 14 CFR § 21.115 and 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the certification basis for the Robinson R44helicopter is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown on TCDS H11NM.

b. The modification certification basis for parts changed or affected by the change since the reference application date, April 10, 2012, is based upon Part 27 as amended by Amendment 27-46 as follows:

14 CFR Regulations at the latest amendment level 27-26 through 27-46

27.143(a)(c), 27.307(a), 27.337, 27.1309(c)(d), 27.1365 14 CFR Regulations at an intermediate amendment level 27-25

27.561(a)(d) 14 CFR Regulations at the amendment level in TCDS H11NM

27.21, 27.25, 27.171, 27.301(a), 27.303(a)(b), 27.305(a) , 27.309(a)(g), 27.601, 27.603(a)(b)(c), 27.605(a),

27.607(a)(b), 27.609(a), 27.611(a), 27.613(a)(b)(c)(d), 27.1301, 27.1351, 27.1357, 27.1367, 27.1435, 27.1503,

27.1529, 27.1581, 27.1583, 27.1585 If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

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