Performance Data for CESSNA A185F FLOATPLANE

CESSNA A185F FLOATPLANE · Performance Data

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Overview

This document provides performance data specifically for the Cessna A185F Floatplane. It is intended for pilots and aviation enthusiasts who require detailed performance metrics for flight planning and operational considerations. The data includes critical information such as takeoff and landing distances, stall speeds, and other performance-related parameters essential for safe and efficient flight operations. The document serves as a reference for understanding the aircraft's capabilities and limitations in various conditions.

Takeoff distance at max gross weight is critical for flight planning.
Landing distance over a 50-foot obstacle must be considered for safety.
Stall speed clean configuration is essential for low-speed handling.
Weight and balance calculations are necessary for safe operations.
V-speeds must be adhered to for safe flight performance.

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Document details

Type: Performance Data
Pages: 29
File size: 982 KB
Publisher: www.mennen.org

Specifications & performance

Extracted from this document.

Specifications

Max speed (kt): 182
Max takeoff weight (lb): 3,350

Performance

Stall speed clean (kt): 53
Stall speed landing (kt): 54

V-speeds

VA: 118
VR: 90
VX: 90
VY: 118
VFE: 95
VNE: 182
VNO: 146
VS1: 55
VSO: 44

Weight & balance

Max takeoff weight (lb): 3,350

Documentation completeness

2/7

Most owners only have the POH. Here's the essential set for the CESSNA A185F FLOATPLANE.

Pilot's Operating Handbook / AFM
Checklist
Maintenance Manual
Parts Catalog (IPC)
Systems & Wiring
Service Bulletins
Type Certificate (TCDS)

More CESSNA A185F FLOATPLANEmanuals & documents

In this document

Takeoff Performance

This section outlines the takeoff distances required under various weight conditions and environmental factors. It specifies the distances needed for takeoff at sea level and at maximum gross weight, as well as adjustments for altitude and temperature.

Landing Performance

Landing performance data is provided, detailing the distances required for landing under different weight scenarios. This includes information on landing distances over a 50-foot obstacle and considerations for various weather conditions.

Stall Speeds

The stall speeds for clean and landing configurations are listed, which are crucial for understanding the aircraft's handling characteristics at low speeds.

Weight and Balance

This section covers the weight and balance limits for the Cessna A185F Floatplane, including maximum takeoff and landing weights, as well as useful load calculations.

V-Speeds

The document lists the V-speeds for the aircraft, including Vx, Vy, Vso, and Vne, which are essential for safe flight operations.

Safety notes

Ensure weight limits are not exceeded to maintain performance.
Monitor stall speeds closely during flight maneuvers.

Full document text

DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION MAJOR REPAIR AND ALTERATION (Airframe, Powerplant, Propeller, or Appliance) INSTRUCTIONS: Print or type all entries. for instructions and disposition of this form. Form Approved Budget Bureau No. 04-R060.1 FOR FAA USE ONLY OFFICE IDENTIFICATION See FAR 43.9, FAR 43 Appendix B, and AC 43.9-1 (or subsequent revision thereof) MODEL MAKE Cessna 1. AIRCRAFT SERIAL NO. 18502213 NAME (As shown on registration certificate) 2. OWNER Dr. J. Wallace Graham 3. FOR FAA USE ONLY UNIT MAKE AIRFRAME POWERPLANT PROPELLER APPLIANCE TYPE MANUFACTURER 4. UNIT IDENTIFICATION MODEL A185F NATIONALITY AND REGISTRATION MARK N3946Q ADDRESS (As shown on registration certificate) 1571 E. Tomahawk Drive Salt Lake City, Utah 84103 00000 (As described in item 1 above) wes A. AGENCY'S NAME AND ADDRESS Robertson Aircraft Corporation 839 West Perimeter Road Renton, WA 98055 5. TYPE SERIAL NO. REPAIR ALTER- ATION XX 6. CONFORMITY STATEMENT B. KIND OF AGENCY U.S. CERTIFICATED MECHANIC C. CERTIFICATE NO. FOREIGN CERTIFICATED MECHANIC X CERTIFICATED REPAIR STATION 415-23 MANUFACTURER D. I certify that the repair and/or alteration made to the unit(s) identified in item 4 above and described on the reverse or attachments hereto have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the information furnished herein is true and correct to the best of my knowledge. DATE June 18, 1980 SIGNATURE OF AUTHORIZED INDIVIDUA!. · David M. Davis Chief Inspector 7. APPROVAL FOR RETURN TO SERVICE Pursuant to the authority given persons specified below, the unit identified in item 4 was inspected in the manner prescribed by the Administrator of the Federal Aviation Administration and is XX APPROVED ☐ REJECTED FAA FLT. STANDARDS INSPECTOR BY MANUFACTURER INSPECTION AUTHORIZATION CANADIAN DEPARTMENT OTHER (Specify) FAA DESIGNEE DATE OF APPROVAL OR REJECTION 6-18-80 FAA Form 337 (7-67) XXX REPAIR STATION CERTIFICATE OR DESIGNATION NO. ARS 415-23 OF TRANSPORT INSPECTOR OF AIRCRAFT SIGNATURE OF AUTHORIZED INDIVIDUAL Mi David M. Davis - Chief Inspector (8320) ✰ U.S. Government Printing Office 1977-772-646/141 NOTICE Weight and balance or operating limitation changes shall be entered in the appropriate aircraft record. An alteration must be compatible with all previous alterations to assure continued conformity with the applicable airworthiness requirements. 8. DESCRIPTION OF WORK ACCOMPLISHED (If more space is required, attach additional sheets. Identify with air- craft nationality and registration mark and date work completed.) Robertson STOL full span wing trailing edge flap system and recontoured wing leading edge has been installed in accordance with Robertson Aircraft Corporation Drawing List Approved by STC SA1441WE 10 dated 2-10-75 Weight Increase 13.0 Lbs. at ' 60.00 Inches Tach Time 0805.3 -END ADDITIONAL SHEETS ARE ATTACHED Robertson Cessna A185F OBERTSON POHS 10-6 STOL ERTSON AIRCRAFT COMPORATION Headquarters RENTON MUNICIPAL AIRPORT 839 WEST PERIMETER ROAD RENTON, WASHINGTON 98055 Phone (206) 228-5000 Cable. R/STOL ROBERTSON AIRCRAFT CORPORATION PILOT'S OPERATING HANDBOOK SUPPLEMENT FOR CESSNA MODEL A185F SKYWAGON SERIAL NUMBERS 18502839 AND UP This document includes material required to be furnished to the pilot by CAR Part 3. It also contains supplemental data supplied by Robertson Aircraft Corporation. This document must be carried in the airplane at all times when the airplane is Robertson-equipped in accordance with STC SA1441WE. The information in this document supersedes the basic POH only where covered in the items contained herein. For limitations, procedures, and performance not contained in this supplement, consult the manual proper. Aircraft Registration #3946Q. Serial Number 18502213 Approved by: ROBERTSON AIRCRAFT CORPORATION Headquarters: Renton Municipal Airport 839 West Perimeter Road Renton, Washington 98055 Robertson Cessna A185F ROBERTSON AIRCRAFT CORPORATION Robertson-Approved Pilot's Operating Handbook Supplement to Cessna A185F LOG OF PAGES POHS 10-6 Page 1 2 3 Approval Date 7-18-77 7-18-77 7-18-77 4 7-18-77 5 7-18-77 6 7-18-77 7 7-18-77 Robertson-Approved Date 7-18-77 KC artson Cessna A185F ROBERTSON NORMAL PROCEDURES For Your R/STOL-Equipped Naturally-Aspirated Cessna 185 Skywagon A185F S/N 18502839 and on POHS 10-6 Page 1 Robertson NORMAL Operation is specifically tailored for the average pilot who desires increased safety margins, utility, and peace of mind. This check list and associated performance data are designed to provide comfortable margins to allow for normal tolerance in the proficiencies of the average pilot. It is recommended that Robertson NORMAL Operation be utilized except for conditions described as "ROBERTSON STOL OPERATION." Refer to Cessna Pilot's Operating Handbook for sections which are not changed by Robertson Modification. CESSNA MODEL A185F SECTION 2 LIMITATIONS INTRODUCTION Section 2 includes operating limitations, instrument markings, and basic placards necessary for the safe operation of the airplane. The limitations for the Robertson modified aircraft have been approved by the Federal Aviation Administration. For operation of its engine, standard systems and standard equipment, see Cessna Pilot's Operating Handbook. Robertson-Approved Date 7-18-77 POHS 10-6 Page 2 Robertson Cessna A185F SECTION 2 LIMITATIONS AIRSPEED LIMITATIONS Airspeed limitations and their operational significance are shown in Figure 2-1. SPEED KCAS KIAS REMARKS VNE Never Exceed Speed 178 182 Do not exceed this speed in any operation. VNO Maximum Structural Cruising Speed 144 146 Do not exceed this speed except in smooth air, and then only with caution. VA Maneuvering Speed: 3350 Pounds 2650 Pounds 117 118 104 105 1950 Pounds 90 90 Do not make full or abrupt control movements above this speed. VFE Maximum Flap Extended Speed: 20° To 20° Flaps - 40° Flaps 20 95 95 96 22 93

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Do not exceed these speeds with the given flap settings. Figure 2-1 Airspeed Limitations AIRSPEED INDICATOR MARKINGS Airspeed indicator markings and their color code significance are shown in Figure 2-2. MARKING White Arc Green Arc 55 KIAS VALUE OR RANGE 44 - 93 - 146 $182 182 SIGNIFICANCE Full Flap Operating Range. Lower limit is maximum weight Vso in landing configuration. Upper limit is maximum speed permissible with flaps extended. Normal Operating Range, Lower limit is maximum weight Vs with flaps retracted. Upper limit is maxi- mum structural cruising speed. Operations must be conducted with caution and only in smooth air. Maximum speed for all operations., Figure 2-2 Airspeed Indicator Markings Yellow Arc 146 - Red Line Robertson-Approved Daka 730 Robertson Cessna A185F POHS 10-6 Page 3 SECTION 4 NORMAL PROCEDURES (1) Wing Flaps (2) Cowl Flaps -- (3) Power (4) Mixture - TAKEOFF ROBERTSON NORMAL TAKEOFF: -- 20º. OPEN. FULL THROTTLE and 2850 RPM. LEAN FOR FIELD ELEVATION. (5) Elevator Control -- (6) Climb Speed -- BEGIN LIFTOFF 36 KIAS. 47 KIAS. - (7) (8) Wing Flaps -- UP. (9) Power -- AFTER OBSTACLES ARE CLEARED ACCELERATE TO 63 KIAS. FULL THROTTLE and 2700 RPM. MAXIMUM PERFORMANCE TAKEOFF: (1) Wing Flaps (2) Cowl Flaps -- -- -- (3) Brakes (4) Power (5) Mixture (6) Brakes (7) (8) Climb Speed -- -- -- (Robertson STOL) 30°. OPEN. APPLY. FULL THROTTLE and 2850 RPM. LEAN FOR FIELD ELEVATION. RELEASE. Elevator Control -- -- MAINTAIN TAIL LOW. Liftoff at 32 KIAS. 37 KIAS at maximum takeoff weight (until all obstacles are cleared). - AFTER OBSTACLES ARE CLEARED ACCELERATE TO 63 KIAS. (9) (10) Wing Flaps (11) Power -- UP. FULL THROTTLE and 2700 RPM. BEFORE LANDING: (Robertson Normal) (1) Seats, Belts, Harnesses (2) Fuel Selector Valve w - ADJUST and LOCK. BOTH ON. (3) Mixture -- (4) Cowl Flaps (5) Propeller (6) Airspeed (7) Wing Flaps (8) Airspeed (9) -- RICH. -- CLOSED. -- HIGH RPM. 75-85 KIAS (Flaps Up. 0 - 10° 40° (below 93 KIAS for 10°. Final Approach 58 KIAS 40°). - -- 58 - 65 KIAS (Flaps DOWN). ADJUST for landing. Stabilizer and Rudder Trim -- NOTE The ability of the airplane to land three-point is dependent upon the stabilizer being adjusted for hands-off trim in the glide. (10) Tail Wheel Lock -- AS DESIRED. Robertson-Approved Date 7-18-77 Robertson Cessna A185F CESSNA MODEL A185F BEFORE LANDING: (Robertson STOL) POHS 10-6 Page 4 SECTION 4 NORMAL PROCEDURES CLOSED. HIGH RPM. (1) Seats, Belts, Harnesses (2) Fuel Selector Valve -- (3) Mixture -- RICH. (4) Cowl Flaps -- (5) Propeller (6) Airspeed (7) Wing Flaps -- (8) Airspeed g 54 - (9) - ADJUST and LOCK. BOTH ON. 7585 KIAS (flaps UP). - 10° 40° (below 93 KIAS for 10°, Final Approach 54 KIAS 40°). 63 KIAS (flaps DOWN). Stabilizer and Rudder Trim ADJUST for landing. NOTE - off trim in The ability of the airplane to land three-point is dependent upon the stabilizer being adjusted for hands the glide. (10) Tail Wheel Lock -- AS DESIRED. Robertson-Approved 7-18-77 Date Robertson Cessna A185F ROBERTSON NORMAL OPERATION R/STOL-Equipped Cessna 185 Skywagon POHS 10-6 Page 5 ROBERTSON NORMAL TAKE-OFF DATA - ROBERTSON R/STOL Cessna 185 Skywagon Take-off distance with 20° flaps from hard surfaced runway (feet) @S.L. & 59°F. @ 2500' & 50°F. @ 5000' & 41°F. @ 7500' & 32°F. GROSS KIAS HEAD WEIGHT @50' WIND GROUND TOTAL TO 50' GROUND TOTAL TO 50' GROUND TOTAL TO 50' TOTAL GROUND TO 50' LBS. KNOTS RUN ELEV. RUN ELEV. RUN ELEV. RUN ELEV. 3350 50 022 490 870 595 1015 715 1200 860 1485 10 345 660 415 765 505 910 625 1125 220 465 235 550 335 655 420 820 2800 46 10 20 022 330 655 390 735 465 840 665 975 220 485 265 545 325 630 395 735 135 335 165 385 205 445 255 525 2300 42 42 0 210 500 255 545 300 615 360 695 10 135 365 165 405 200 455 245 515 20 75 245 95 275 115 310 150 355 Robertson-Approved Date 7-18-77 NOTES: 1. Increase distances 10% for each 25°F. above standard temperature for particular altitude. 2. For take-off on a dry, grass runway, increase distances (both "ground run" and "total to 50'") by 6% of the "total to 50'" distance. 3. For operations in gusty or severe crosswind con- ditions, increase speeds 4.4 KIAS for each 10 knot wind increment. Robertson Cessna A185F ROBERTSON NORMAL OPERATION R/STOL-Equipped Cessna 185 Skywagon Maximum Rate-of-Climb Data • Cruise Performance Maximum Glide Your Robertson-equipped aircraft will perform in climb, cruise, and glide according to the charts in your Cessna Owner's Manual. Therefore, use the data directly. POHS 10-6 Page 6 ROBERTSON NORMAL LANDING DATA - ROBERTSON R/STOL Cessna 185 Skywagon Landing Distance with 40° Flaps on Hard Surfaced Runway (feet) GROSS KIAS @S.L. & 59°F. @ 2500' & 50°F. @ 5000' & 41°F. @ 7500' & 32°F. WEIGHT @50' GROUND LBS. ROLL TOTAL TO CLEAR GROUND ROLL TOTAL TO CLEAR GROUND ROLL TOTAL TO CLEAR GROUND ROLL TOTAL TO CLEAR 50' 50' 50' 50' 3350 58 310 890 325 945 345 1005 370 1070 2800 54 260 815 275 860 290 910 310 965 2300 49 215 740 225 775 240 815 255 860 NOTES: 1. Distances shown are based on zero wind, power off, and heavy braking. 2. Reduce landing distances 10% for each 5 knots headwind. 3. 4. For operation on a dry, grass runway, increase distances (both "ground roll" and "total to clear 50") by 20% of the "total to clear 50'" figure. For operating in gusty or severe crosswind conditions, increase speeds 4.4 KIAS for each 10 knot wind increment, Robertson-Approved Date 7-18-77 Robertson Cessna A185F R/STOL-Equipped Cessna 185 Skywagon AIRSPEED CORRECTION TABLE (Gross Weight - 3350 Lbs.) POHS 10-6 Page 7 For Airspeed Correction Table, see 1976 Pilot's Operating Handbook Maximum Flap Speeds: 0° - 20° CONDITION -95 KIAS, 20° 40° - 93 KIAS - STALL SPEEDS, ZERO THRUST 0° ANGLE OF BANK 20° 40° 60° 3350 Lbs. FLAPS UP 53 55 62 81 GROSS FLAPS 20° 42 43 52 68 WEIGHT FLAPS 40° 37 39 47 64 Robertson-Approved 7-18-77 Date SPEEDS ARE KIAS United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA1441WE This certificate, issued to ROBERTSON AIRCRAFT CORPORATION SECTION 1, cortifies that the change in the type design for the following product with the limitations and conditions therefor us specified hereon meets the airworthiness requirements of Part 3 Regulations, effective 15 May 1956 as amended by 3-1 through 3-5. Original Product — Type Crertificate Number: 3A24 of the Civil Air • Make: Cessna Merel 185, 185A thru 185E, A185E, A185F Landplane, Floatplane, Amphibian, and Skiplane. Description of Type Design Change: Installation of drooped ailerons in flaps down mode, recontoured wing leading edge (except A185F) stall fence and as options, a flap actuated elevator trim system and installation of the SC-100 stall warning system in accordance with Robertson Aircraft Corporation FAA Sealed Drawing List No. 10. This change in type design is also eligible on Cessna Model 185 thru 185E Skiplane conver- sion under STC No. SA3-717. Limitations and Conditions: The approval of this change in type design applies basically to the above model aircraft 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 previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This determination should include consideration (See Continuation Sheet 3) This certificate and the supporting data which is the basis for approval shall remain in effect until sur- rendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Gute reissued: 01/15/69; 08/04/69/ 04/26/72; Pate of application 12 May 1967 Date of watana 29 June 1967 B FEDERAL AVIATION OMINISTRATIO 11/5/73 3/13/798; 08/04/12 02/29/70 Date amended 08/14/68; 08/04/69; 02/19/70; 11/30/70; 03/13/73; 04/26/72; 03/21/73; 02/10/75 direction of the Administrator (Signature) Chief, Engineering and Manufacturing Branch (Title) Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, in both. This certificate may be transferred in accordance with ÞAR 2147. FAA FORM 8110-2 (1068) Page 1 of 6 Pages INSTRUCTIONS. The transfer endorsement below may be used to notify the appropriate FAA Regional Office of the scansiet of this Supplemental Type Certificate The LAN will reissue the e cruficate in the name of the transferee and forward it to him. TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) Address of transferee). from (Name of grantor) (Print or type) (Address of grantor ) Extent of Authority (if licensing agreement): Date of Transfer:. Signature of grantor (In ink): . FAV AC 69-5536 Number and street) (City, State, and ZIP code) (Number and street) (Cih, State, and ZIP code) United States of America Department of Transportation-Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) SECTION Number SA1441WE Limitations and Conditions Continued: of significant changes in weight distribution, such as an increase in the fixed disposable weight in the fuselage. Supplemental Type Certificate Addendum No. SA1441WE is a part of this certificate. A copy of this certificate must be maintained as part of the permanent records for each aircraft so modified. Il exiteding Siguld, on tampresomvant nat ex TAATCHIM 81107 1 (10.69) This certificate muy be transferred in accordance with EAR LIG G PAGE OF PAGES FAA A2 (435 11-0 Page 4 of 6 pages

All CESSNA A185F FLOATPLANE performance data