TCDS 3A12

Page No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Rev. No. 89 60 60 60 60 57 64 60 82 60 51 60 67 81 78 85 50 50 55 55 Page No. 21 22 23 24 25 26 27 28 29 30 31 32 33 Rev. No. 50 72 59 83 81 80 76 86 77 80 87 89 89 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION 3A12 Revision 89 Textron Aviation 172 172I 172A 172K 172B 172L 172C 172M 172D 172N 172E 172P 172F (USAF T-41A) 172Q 172G 172R 172H (USAF T-41A) 172S September 15, 2026 WARNING: Use of alcohol-based fuels can cause serious performance degradation and fuel system component damage and is therefore prohibited on Cessna airplanes. TYPE CERTIFICATE DATA SHEET NO. 3A12 This data sheet which is part of Type Certificate No. 3A12 prescribes conditions and limitations under which the product for which the type certificate was issued meets the airworthiness requirements of the Federal Aviation Regulations. Type Certificate Holder Textron Aviation Inc. One Cessna Boulevard Wichita, Kansas 67215 Type Certificate Holder Record Cessna Aircraft Company transferred to Textron Aviation Inc. on July 29, 2015 I. Model 172, 4 PCLM (Normal Category), approved November 4, 1955; 2 PCLM (Utility Category), approved December 14, 1956 Engine Continental O-300-A or O-300-B *Fuel 80/87 minimum grade aviation gasoline *Engine Limits For all operations, 2700 rpm (145 hp) 3A12 2 Rev. 89 I. Model 172 (cont’d) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1A170/DM Static r.p.m. at maximum permissible throttle setting: Not over 2360, not under 2230. No additional tolerance permitted. Diameter: Not over 76 in., not under 74.5 in. Spinner: Dwg. 0550162 2. Sensenich Propeller Hub: M74DR or 74DR Static r.p.m. at maximum permissible throttle setting: Not over 2430, not under 2300 No additional tolerance permitted Diameter: Not over 74 in., not under 72.0 in. Spinner: Dwg. 0550162 3. McCauley Propeller Hub: 1C172/MDM 7652, 53, or 55 30 lb. (-39.0) Static r.p.m. at maximum permissible throttle setting: Not over 2350, not under 2250. No additional tolerance permitted. Diameter: Not over 76 in., not under 74.5 in. Spinner: Dwg. 0550216 *Airspeed Limits Maneuvering 115 mph (100 knots) (CAS) Maximum structural cruising 140 mph (122 knots) Never exceed 160 mph (139 knots) Flaps extended 100 mph ( 87 knots) C.G. Range Normal (+40.8) to (+46.4) at 2200 lb. (+36.4) to (+46.4) at 1733 lb. Utility category (+38.4) to (+40.3) at 1950 lb. (+36.4) to (+40.3) at 1733 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Normal category 2200 lb. Utility category 1950 lb. Number of Seats 4 (2 at +36, 2 at +70). For child's optional jump seat, refer to Equipment List. Maximum Baggage 120 lb. (+95) Fuel Capacity 42 gal. total, 37 gal. usable (two 21 gal. tanks in wings at +48). (See NOTE 1 for weight of unusable fuel and oil). Oil capacity 2 gal. (-20), includes 1 gal. unusable Control Surface Movements Wing Flaps Takeoff Retracted 0° 1st notch 10° Landing 2nd notch 20° 3rd notch 30° 4th notch 40° Ailerons Up 20° Down 14° Elevator tab Up 28° Down 13° Elevator Up 28° Down 26° Rudder Right 16° Left 16° Serial Numbers Eligible 610, 612, 615, 28000 thru 29999, 36000 thru 36999, 46001 thru 46754. Rev. 89 3 3A12 II. Model 172A, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved July 16, 1959; Model 172B, Skyhawk, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved June 14, 1960 Engine Continental O-300-C or O-300-D *Fuel 80/87 minimum grade aviation gasoline *Engine Limits For all operations, 2700 rpm (145 hp) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1C172/EM 7652, 53, or 55 Static rpm at maximum permissible throttle setting: Not over 2350, not under 2230. No additional tolerance permitted. Diameter: Not over 76 in., not under 74.5 in. Spinner: Dwg. 0550216, or 0550221 or 0550228 2. McCauley Propeller (seaplane) Hub: 1A175/SFC 8040 Static rpm at maximum permissible throttle setting: Not over 2480, not under 2380. No additional tolerance permitted. Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550216 or 0550221 3. Sensenich Propeller Hub: 74DC-0-56 Static rpm at maximum permissible throttle setting: Not over 2420, not under 2300. No additional tolerance permitted. Diameter: Not over 74 in., not under 72.5 in. *Airspeed Limits Maneuvering 115 mph (100 knots) (CAS) Maximum structural cruising 140 mph (122 knots) Never exceed 160 mph (139 knots) Flaps extended 100 mph ( 87 knots) C.G. Range Landplane (Model 172A): Normal category (+40.8) to (+46.4) at 2200 lb. (+36.4) to (+46.4) at 1733 lb. or less Utility category (+38.4) to (+40.3) at 1950 lb. (+36.4) to (+40.3) at 1733 lb. or less Straight line variation between points given. Landplane (Model 172B): Normal category (+40.4) to (+46.4) at 2200 lb. (+36.4) to (+46.4) at 1850 lb. or less Utility category (+37.4) to (+40.3) at 1950 lb. (+36.4) to (+40.3) at 1850 lb. or less Seaplane (Models 172A, 172B): Normal category (+39.8) to (+45.5) at 2220 lb. (+36.4) to (+45.5) at 1825 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Landplane: Normal category 2200 lb. Utility category 1950 lb. Seaplane: Normal category 2220 lb. 3A12 4 Rev. 89 II. Model 172A (cont’d) Number of Seats 4 (2 at +36, 2 at +70). For child's optional jump seat, refer to Equipment List. Maximum Baggage 120 lb. (+95) Fuel Capacity Model 172A: 42 gal. total, 37 gal. usable Model 172B: 39 gal. usable (two 21 gal. tanks in wings at +48) (See NOTE 1 for weight of unusable fuel and oil). Oil Capacity 2 gal. (-20), 1 gal. usable Control Surface Movements Wing Flaps Takeoff Retracted 0° 1st notch 10° Landing 2nd notch 20° 3rd notch 30° 4th notch 40° Ailerons Up 20° Down 15° Elevator tab Up 28° Down 13° Elevator Up 28° Down 26° Rudder (landplane) Right 16° Left 16° (seaplane) Right 19° Left 15° (Measured parallel to W.L.) Serial Numbers Eligible Model 172A: 622, 625, 46755 thru 47746 Model 172B: 630, 17247747 thru 17248734 III. Model 172C, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved July 18, 1961 Engine Continental O-300-C or O-300-D *Fuel 80/87 minimum grade aviation gasoline *Engine Limits For all operations, 2700 rpm (145 hp) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1C172/EM 7652, 53, or 55 Static rpm, at maximum permissible throttle setting: Not over 2350, not under 2230. No additional tolerance permitted. Diameter: Not over 76 in., not under 74.5 in. Spinner: Dwg. 0550216, 0550221 or 0550228 2. McCauley Propeller (seaplane) Hub: 1A175/SFC 8040 Static rpm, at maximum permissible throttle setting: Not over 2480, not under 2380. No additional tolerance permitted. Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550216 or 0550221 3. Sensenich Propeller Hub: 74DC-0-56 Static rpm at maximum permissible throttle setting: Not over 2420, not under 2300. No additional tolerance permitted. Diameter: Not over 74 in., not under 72.5 in. *Airspeed Limits Maneuvering 115 mph (100 knots) (CAS) Maximum structural cruising 140 mph (122 knots) Never exceed 160 mph (139 knots) Flaps extended 100 mph ( 87 knots) Rev. 89 5 3A12 III. Model 172C (cont’d) C.G. Range Landplane: Normal category (+40.5) to (+46.4) at 2250 lb. (+36.4) to (+46.4) at 1850 lb. or less Utility category (+37.4) to (+40.3) at 1950 lb. (+36.4) to (+40.3) at 1850 lb. or less Seaplane: Normal category (+39.8) to (+45.5) at 2220 lb. (+36.4) to (+45.5) at 1825 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Landplane: Normal category 2250 lb. Utility category 1950 lb. Seaplane: Normal category 2220 lb. Number of Seats 4 (2 at +36, 2 at +70). For child's optional jump seat, refer to Equipment List. Maximum Baggage 120 lb. (+95) Fuel Capacity 39 gal. total, 36 gal. usable (two 19.5 gal. tanks in wings at +48). (See NOTE 1 for weight of unusable fuel and oil). Oil Capacity 2 gal. (-20), includes 1 gal. unusable Control Surface Movements Wing Flaps Takeoff Retracted 0° 1st notch 10° Landing 2nd notch 20° 3rd notch 30° 4th notch 40° Ailerons Up 20° Down 15° Elevator tab Up 28° Down 13° Elevator Up 28° Down 26° Rudder (Landplane) Right 16° Left 16° (Seaplane) Right 19° Left 15° (Measured parallel to W.L.) Serial Numbers Eligible 17248735 thru 17249544 IV. Model 172D, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved June 19, 1962 Model 172E, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved June 27, 1963 Model 172F (USAF T-41A), 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved April 21, 1964 Model 172G, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved June 15, 1965 Model 172H (USAF) T-41A), 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved June7, 1966 Engine Continental O-300-C or O-300-D *Fuel 80/87 minimum octane aviation gasoline *Engine Limits For all operations, 2700 rpm (145 hp) 3A12 6 Rev. 89 IV. Models 172D, 172E, 172F, 172G, 172H (cont’d) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1C172/EM 7652, 53 Static rpm at maximum permissible throttle setting: Not over 2420, not under 2230. No additional tolerance permitted. Diameter: Not over 76 in., not under 74.5 in. Spinner: Model 172D/E/F: Dwg. 0550216, 0550221 or 0550228 Model 172G/H: Dwg. 0550236 2. McCauley Propeller (seaplane) Hub: 1A175/SFC 8040 Static rpm at maximum permissible throttle setting: Not over 2480, not under 2380. No additional tolerance permitted. Diameter: Not over 80 in., not under 78.4 in. Spinner: Model 172D/E/F: Dwg. 0550216, 0550221 Model 172G/H: Dwg. 0550236 *Airspeed Limits Maneuvering 122 mph (106 knots) (CAS) Maximum structural cruising 142 mph (122 knots) Never exceed 174 mph (151 knots) Flaps extended 100 mph ( 87 knots) C.G. Range Landplane Normal category (+38.5) to (+47.3) at 2300 lb. (+35.0) to (+47.3) at 1950 lb. or less Utility category (+35.5) to (+40.5) at 2000 lb. (+35.0) to (+40.5) at 1950 lb. or less Seaplane Normal category (+39.8) to (+45.5) at 2220 lb. (+36.4) to (+45.5) at 1825 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Landplane: Normal category 2300 lb. Utility category 2000 lb. Seaplane: Normal category 2220 lb. Number of Seats 4 (2 at +36, 2 at +70). For child's optional jump seat, refer to Equipment List. Maximum Baggage 120 lb. (+95) Fuel Capacity 39 gal. total, 36 gal. usable (two 19.5 gal. tanks in wings at +48) (See NOTE 1 for weight of unusable fuel and oil). Oil Capacity 2 gal. (-20), 1 gal. usable Control Surface Movements Wing Flaps Takeoff Retracted 0° 1st notch 10° Landing 0° 40° Ailerons Up 20° Down 15° Elevator tab Up 28° Down 13° Elevator Up 28° Down 23° (Neutral position is with bottom of balance area flush with bottom of stabilizer) Rudder (landplane) Right 16° Left 16° (seaplane) Right 19° Left 15° Rev. 89 7 3A12 IV. Models 172D, 172E, 172F, 172G, 172H (cont’d) Serial Numbers Eligible Model 172D: 17249545 thru 17250572 Model 172E: 639, 17250573 thru 17251822 Model 172F: 17251823 thru 17253392 Model 172G: 17253393 thru 17254892 Model 172H: 638, 17254893 thru 17256512 (except 17256493) V. Model 172I, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved December 15, 1967 Model 172K, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved May 9, 1968 Engine Lycoming O-320-E2D *Fuel 80/87 minimum grade aviation gasoline *Engine Limits For all operations, 2700 rpm (150 hp) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1C172/MTM 7653 Static rpm at maximum permissible throttle setting: Not over 2360, not under 2260. No additional tolerance permitted (see NOTE 3). Diameter: Not over 76 in., not under 74 in. Spinner: Dwg. 0550320 2. McCauley Propeller (seaplane) Hub: 1A175/ATM 8042 Static rpm at maximum permissible throttle setting: Not over 2480, not under 2380. No additional tolerance permitted (see NOTE 3). Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550320 3. McCauley Propeller Hub: 1C160/CTM 7553 Static rpm at maximum permissible throttle setting: Not over 2370, not under 2270. No additional tolerance permitted (see NOTE 3). Diameter: not over 75 in., not under 74 in. Spinner: Dwg. 0550320 4. McCauley Propeller (seaplane) Hub: 1A175/ETM 8042 Static rpm at maximum permissible throttle setting: Not over 2480, not under 2380. No additional tolerance permitted (see NOTE 3). Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550321 5. McCauley Propeller Hub: 1C160/DTM 7553 Static rpm at maximum permissible throttle setting: Not over 2370, not under 2270. No additional tolerance permitted (see NOTE 3). Diameter: Not over 75 in., not under 74 in. Spinner: Dwg. 0550320 *Airspeed Limits Maneuvering 122 mph (106 knots) (CAS) Maximum structural cruising 140 mph (122 knots) Never exceed 174 mph (151 knots) Flaps extended 100 mph ( 87 knots) 3A12 8 Rev. 89 V. Model 172I, Model 172K (cont'd) C.G. Range Landplane: Normal category (+38.5) to (+47.3) at 2300 lb. (+35.0) to (+47.3) at 1950 lb. or less Utility category (+35.5) to (+40.5) at 2000 lb. (+35.0) to (+40.5) at 1950 lb. or less Seaplane (Edo 89-2000 or 89A2000 floats): Normal category (+39.8) to (+45.5) at 2220 lb. (+36.4) to (+45.5) at 1825 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Landplane: Normal category 2300 lb. Utility category 2000 lb. Seaplane: Normal category 2220 lb. Number of Seats 4 (2 at +34 to +46, 2 at +73). Occupant on child's optional jump seat at +93. Maximum Baggage 120 lb. at +95 Fuel Capacity 42 gal. total, 38 gal. usable (two 21 gal. tanks in wings at +48) (See NOTE 1 for weight of unusable fuel and oil). Oil Capacity 2 gal. (-14.0), 1-1/2 gal. usable Control Surface Movements Wing Flaps Takeoff 0° - 10° Landing 0° - 40° ±2° Ailerons Up 20° ±1° Down 15° ±1° Elevator tab Up 28° +1°, -0° Down 13° +1°, -0° Elevator Up 28° +1°, -0° Down 23° +1°, -0° (Neutral position is with bottom of balance area flush with bottom of stabilizer.) Rudder (landplane) Right 16° ±1° Left 16° ±1° (seaplane) Right 19° ±1° Left 15° ±1° (Measured parallel to W.L.) Serial Numbers Eligible Model 172I: 17256513 thru 17257161 Model 172K 1969 model: 17257162 thru 17258486 1970 model: 17258487 thru 17259223 VI. Model 172L, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved May 13, 1970 Engine Lycoming O-320-E2D *Fuel 80/87 minimum grade aviation gasoline *Engine Limits For all operations, 2700 rpm (150 hp) Rev. 89 9 3A12 VI. Model 172L (cont'd) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1C172/MTM 7653 Static rpm at maximum permissible throttle setting: Not over 2360, not under 2260. No additional tolerance permitted (see NOTE 3). Diameter: Not over 76 in., not under 74 in. Spinner: Dwg. 0550320 2. McCauley Propeller (seaplane) Hub: 1A175/ATM 8042 Static rpm at maximum permissible throttle setting: Not over 2480, not under 2380. No additional tolerance permitted (see NOTE 3). Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550320 3. McCauley Propeller Hub: 1C160/CTM 7553 Static rpm at maximum permissible throttle setting: Not over 2370, not under 2270. No additional tolerance permitted (see NOTE 3). Diameter: Not over 75 in., not under 74 in. Spinner: Dwg. 0550320 4. McCauley Propeller Hub: 1C160/DTM 7553 Static rpm at maximum permissible throttle setting: Not over 2370, not under 2270. No additional tolerance permitted (see NOTE 3). Diameter: Not over 75 in., not under 74 in. Spinner: Dwg. 0550320 5. McCauley Propeller (Seaplane only) Hub: 1A175/ETM 8042 Static rpm at maximum permissible throttle setting: Not over 2480, not under 2380. No additional tolerance permitted (see NOTE 3). Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550321 *Airspeed Limits Maneuvering 122 mph (106 knots) (CAS) Maximum structural cruising 140 mph (122 knots) Never exceed 174 mph (151 knots) Flaps extended 100 mph ( 87 knots) C.G. Range Landplane Normal category (+38.5) to (+47.3) at 2300 lb. (+35.0) to (+47.3) at 1950 lb. or less Utility category (+35.5) to (+40.5) at 2000 lb. (+35.0) to (+40.5) at 1950 lb. or less Straight line variation between points given. Seaplane (Edo 89-2000 or 89A2000 floats): Normal category (+39.8) to (+45.5) at 2220 lb. (+36.4) to (+45.5) at 1825 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Landplane: Normal category 2300 lb. Utility category 2000 lb. Seaplane: Normal category 2220 lb. 3A12 10 Rev. 89 VI. Model 172L (cont'd) Number of Seats 4 (2 at +34 to +46, 2 at +73). Occupant on child's optional jump seat at +96. Maximum Baggage 120 lb. at +95 Fuel Capacity 42 gal. total, 38 gal. usable (two 21 gal. tanks in wings at +48). (See NOTE 1 for weight of unusable fuel). Oil Capacity 2 gal. (-14.0), 1-1/2 gal. usable. (See NOTE 1 for data on undrainable oil). Control Surface Movements Wing Flaps Takeoff 0° - 10° Landing 0° - 40° ±2° Ailerons Up 20° ±1° Down 15° ±1° Elevator tab Up 28° +1°, -0° Down 13° +1°, -0° Elevator Up 28° +1°, -0° Down 23° +1°, -0° (Neutral position is with bottom of balance area flush with bottom of stabilizer) Rudder (landplane) Right 16° ±1° Left 16° ±1° (seaplane) Right 19° ±1° Left 15° ±1° (Measured parallel to W.L.) Serial Numbers Eligible 1971 model: 17259224 thru 17259903 1972 model: 17259904 thru 17260758 VII. Model 172M, Skyhawk, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category, approved May 12, 1972 Engine Lycoming O-320-E2D *Fuel 80/87 minimum grade aviation gasoline *Engine Limits For all operations, 2700 rpm (150 hp) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1C160/CTM 7553 Static rpm at maximum permissible throttle setting: Not over 2370, not under 2270. No additional tolerance permitted (see NOTE 3). Diameter: Not over 75 in., not under 74 in. Spinner: Dwg. 0550320 2. McCauley Propeller Hub: 1C160/DTM 7553 Static rpm at maximum permissible throttle setting: Not over 2370, not under 2270. No additional tolerance permitted (see NOTE 3). Diameter: Not over 75 in., not under 74 in. Spinner: Dwg. 0550320 3. McCauley Propeller (seaplane) Hub: 1A175/ATM 8042 Static rpm at maximum permissible throttle setting: Not over 2545, not under 2445. No additional tolerance permitted (see NOTE 3). Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550320 4. McCauley Propeller (seaplane) Hub: 1A175/ETM 8042 Static rpm at maximum permissible throttle setting: Not over 2545, not under 2445. No additional tolerance permitted (see NOTE 3). Diameter: Not over 80 in., not under 78.4 in. Spinner: Dwg. 0550320 Rev. 89 11 3A12 VII. Model 172M (cont'd) *Airspeed Limits S/N 17256493, 17260759 thru 17265684: (CAS) Maneuvering 112 mph ( 97 knots) Maximum structural cruising 145 mph (126 knots) Never exceed 182 mph (158 knots) Flaps extended 100 mph ( 87 knots) S/N 17265685 thru 17267584: Maneuvering 97 knots (See NOTE 4 on use of CAS) Maximum structural cruising 128 knots Never exceed 160 knots Flaps extended 85 knots C.G. Range Landplane: Normal category (+38.5) to (+47.3) at 2300 lb. (+35.0) to (+47.3) at 1950 lb. or less Utility category (+35.5) to (+40.5) at 2000 lb. (+35.0) to (+40.5) at 1950 lb. or less Seaplane (Edo 89-2000 or 89A2000 floats): Normal category (+39.8) to (+45.5) at 2220 lb. (+36.4) to (+45.5) at 1825 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Normal category: 2300 lb. (landplane); 2220 lb. (seaplane) Utility category: 2000 lb. (landplane) Number of Seats 4 (2 at +34 to +46, 2 at +73). Occupant on child's optional jump seat at +96. Maximum Baggage 120 lb. at +95 Fuel Capacity 42 gal. total, 38 gal. usable (two 21 gal. tanks in wings at +48) (See NOTE 1 for data on unusable fuel). Oil Capacity 2 gal. (-14.0), 1-1/2 gal. usable (See NOTE 1 for data on undrainable oil). Control Surface Movements Wing Flaps Takeoff 0° - 10° (landplane/seaplane) Landing 0° - 40° +0° -2° (landplane) 0° - 30° ±2° (seaplane) Ailerons Up 20° ±1° Down 15° ±1° Elevator tab Up 28° +1°, -0° Down 13° +1°, -0° Elevator Up 28° +1°, -0° Down 23° +1°, -0° (Neutral position is with bottom of balance area flush with bottom of stabilizer.) Rudder (landplane) Right 16° ±1° Left 16° ±1° (seaplane) Right 19° ±1° Left 15° ±1° (Measured parallel to W.L.) Serial Numbers Eligible 1973 model: 17256493, 17260759 thru 17261898 (except 17261445 & 17261578) 1974 model: 17261899 thru 17263458 1975 model: 17263459 thru 17265684 1976 model: 17265685 thru 17267584 3A12 12 Rev. 89 VIII. Model 172N, Skyhawk, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved May 17, 1976 Engine Lycoming O-320-H2AD *Fuel 100/130 minimum grade aviation gasoline (S/N 17261445, 17267585 thru 17269309) 100LL/100 minimum grade aviation gasoline (S/N 17261578, 17269310 thru 17274009) *Engine Limits For all operations, 2700 rpm (160 hp) Propeller and 1. McCauley Propeller Propeller Limits Hub: 1C160/DTM 7557 Static rpm at maximum permissible throttle setting: Not over 2400, not under 2280. No additional tolerance permitted. Diameter: Not over 75 in., not under 74 in. Spinner: Dwg. 0550320 2. McCauley Propeller (seaplane) Hub: 1A175/ETM 8042 Static rpm at maximum permissible throttle setting: Not over 2570, not under 2470. No additional tolerance permitted. Diameter: Not over 80 in., not under 78.5 in. Spinner: Dwg. 0550320 *Airspeed Limits Models: 1977, 1978, 1979 (CAS) Maneuvering 97 knots (see NOTE 4 on use of CAS) Maximum structural cruising 128 knots Never exceed 160 knots Flaps extended 85 knots Model: 1980 Maneuvering 97 knots Maximum structural cruising 127 knots Never exceed 158 knots Flaps extended 85 knots C.G. Range Landplane: Normal category (+38.5) to (+47.3) at 2300 lb. (+35.0) to (+47.3) at 1950 lb. or less Utility category (+35.5) to (+40.5) at 2000 lb. (+35.0) to (+40.5) at 1950 lb. or less Seaplane (Edo 89-2000 or 89A2000 floats): Normal category (+39.8) to (+45.5) at 2220 lb. (+36.4) to (+45.5) at 1825 lb. or less Straight line variation between points given. Empty Weight C.G. Range None *Maximum Weight Normal category: 2300 lb. (landplane); 2220 lb. (seaplane) Utility category: 2000 lb. (landplane) Number of Seats 4 (2 at +34 to +46, 2 at +73). Occupant on child's optional jump seat at +96. Rev. 89 13 3A12 VIII. Model 172N (cont’d) Maximum Baggage 120 lb. at +95 Fuel Capacity 42 gal. total, 40 gal. usable (two 21.5 gal. tanks in wings at +48) (See NOTE 1 for data on unusable fuel). Oil Capacity 1.5 gal. (-14.0), 1.0 gal. usable Control Surface Movements Wing Flaps Takeoff 0° - 10° (landplane/seaplane) Landing 0° - 40° +0° -2° (landplane) 0° - 30° ±2° (seaplane) Ailerons Up 20° ±1° Down 15° ±1° Elevator tab Up 28° +1°, -0° Down 13° +1°, -0° Elevator Up 28° +1°, -0° Down 23° +1°, -0° (Neutral position is with bottom of balance area flush with bottom of stabilizer) Rudder (landplane) Right 16° ±1° Left 16° ±1° (seaplane) Right 19° ±1° Left 15° ±1° (Measured parallel to W.L.) Serial Numbers Eligible 1977 model: 17261445, 17267585 thru 17269309 1978 model: 17261578, 17269310 thru 17271034 (except 17270050) 1979 model: 17271035 thru 17272884 1980 model: 17270050, 17272885 thru 17274009 IX. Model 172P, Skyhawk, 4 PCL-SM (Normal Category), 2 PCLM (Utility Category), approved May 13, 1980