STC SA592NW

FAA Form 8110-2 (5/14) Page 1 of 6

Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA592NW

Part 3 of the Civil Air Regulations, dated November 1, 1949 (See T.C. Data Sheet 3A10 for amendments).

Original Product – Type Certificate Number: 3A10 Make: Cessna Model: 310G, 310P, T310P, 310Q, T310Q

Installation of Fowler Flaps and a flap activated elevator up-spring in accordance with FAA Sealed Robertson Aircraft Drawing List No. 31.

Date of Application: March 21, 1978 Date Reissued: 11/8/84; 10/10/86; 9/8/05; 7/31/17 Date of Issuance: April 14, 1978 Date Amended: 5/26/78; 10/24/78; 3/26/84

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.

122 Howard Langford Drive Uvalde, TX 78801

FAA Form 8110-2 (5/14) Page 2 of 6

Transfer the ownership of Supplemental Type Certificate Number: SA592NW

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA592NW

FAA Form 8110-2 (5/14) Page 3 of 6

Date of Issuance: April 14, 1978 Amended Date: March 26, 1984 Date of Reissuance: July 31, 2017

The approval of this change in type design applies basically to the above models only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other type design changes or previo usly approved modifications will introduce no adverse effect upon airworthiness of that aircraft. A copy of this certificate shall be maintained as part of the permanent records for the modified aircraft.

The limitations and conditions of Type Certificate Data Sheet 3A10 apply except as follows:

This addendum which is part of Supplemental Type Certificate No. SA592NW prescribes conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations. A copy of this Addendum shall be maintained as part of the modified aircraft permanent records.

SUPPLEMENTAL TYPE CERTIFICATE HOLDER: R/STOL SYSTEMS, INC.

I. Airspeed Limits: Remain the same except:

310G – All Serial No.

Flaps Extended 10° 195 MPH (CAS) Flaps Extended 30° 145 MPH (CAS)

310P, T310P, 310Q, & T310Q – All Serial No.

Flaps Extended 10° 192 MPH IAS / 167 KIAS Flaps Extended 30° 148 MPH IAS / 129 KIAS

II. C.G. Limits: Remain the same except:

Most forward c.g. 35.3 – All models and Serial No.

III. Placards A. 310P, T310P, 310Q & T310Q – All Serial No.

1. “Operational Limits” (on circuit box cover) replaces existing placard.

a. “This airplane must be operated as a normal category airplane in compliance with the operating limitations stated in the form of placards, markings, and handbooks. (Pilot’s Checklist).”

b. “No acrobatic maneuvers including spins approved.”

c. “Air Minimum Control Speed: Flaps Up – 94 MPH IAS (81 KIAS) (Takeoff) Flaps 10° - 83 MPH IAS (72 KIAS) Flaps 30° - 76 MPH IAS (66 KIAS)

d. “Maximum Gear Extended & Operating Speed: 160 MPH IAS:

(139 KIAS)”

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA592NW

FAA Form 8110-2 (5/14) Page 4 of 6

Date of Issuance: April 14, 1978 Amended Date: March 26, 1984 Date of Reissuance: July 31, 2017

e. “Maximum Flap Extended Speed: (10° Flap) 192 MPH IAS (167 KIAS) (30° Flap) 148 MPH IAS (129 KIAS)”

f. “Maximum Maneuvering Speed: 170 MPH IAS (148 KIAS)

2. “Flap Selector Placards:”

Position adjacent to flap position lights and selector handle.

310P&Q – T310P&Q

B. 310G – All Serial No.

1. “Operational Limits” (on circuit box cover) replaces existing placard.

a. “This airplane must be operated as a normal category airplane in compliance with the operating limitations stated in the form of placards, marking, and handbooks. (Pilot’s Checklist).”

b. “No acrobatic maneuvers including spins approved.”

c. “Air Minimum Control Speed: Flaps Up – 84 MPH (CAS) (Takeoff) Flaps 10° - 78 MPH (CAS) Flaps 30° - 74 MPH (CAS)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA592NW

FAA Form 8110-2 (5/14) Page 5 of 6

Date of Issuance: April 14, 1978 Amended Date: March 26, 1984 Date of Reissuance: July 31, 2017

d. “Maximum Flap Extended Speed: (10° Flap) 195 MPH (CAS) (30° Flap) 145 MPH (CAS)”

e. “Maximum Gear Extended & Operating Speed: 140 MPH (CAS)”

f. “Maximum Landing Light Extension Speed - 160 MPH (CAS)

2. Flap Selector Placards:

Position adjacent to flap position lights and selector handle.

310G

C. All Models – All Serial No.

1. “Takeoff Flap Position” Position in full view of pilot.

a. “Position Flaps 10° for takeoff Flaps Up Takeoff not approved.”

2. “Weight & Balance Placard” Position adjacent to operational limits placard.

a. “For proper weight & balance, consult the revised center of gravity envelope per STC SA592NW. ”

3. “Autopilot Limitations Placard”

a. “Max 10° Flaps with autopilot engaged.”

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA592NW

FAA Form 8110-2 (5/14) Page 6 of 6

Date of Issuance: April 14, 1978 Amended Date: March 26, 1984 Date of Reissuance: July 31, 2017

IV. All autopilots approved on the basic models are compatible with this modification and subject to the limitations established during each autopilot certification test.

The following limitation applies to all autopilots.

“Max 10° Flaps with Autopilot Engaged.”

-END-

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA592NW

FAA Form 8110-2 (5/14) Page 7 of 6