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  1. CABIN
  2. 1. Check Discrepancies and Inspections
  3. 2. Required Papers in Airplane (AROW)
  4. 2. Enter HOBBS Reading on TACH Sheet
  5. 3. Control Wheel Lock . . . . . REMOVE
  6. 4. Ignition Switch . . . . . . . . . OFF
  7. 5. Master Switch . . . . . . . . . . ON
  8. 6. Fuel Gauges . . . . . . . . . . . QUANTITY
  9. 7. Flaps . . . . . . . . . . . . . . . . . 30°
  10. 8. Master Switch . . . . . . . . . . OFF
  11. 9. Fuel Shutoff Valve . . . . . . ON
  12. 2) FUSELAGE AND EMPENNAGE
  13. 1. Fuel Drain . . . . . . . . . . . . . DRAIN
  14. 2. Fuselage/Empennage . . . . CHECK CONDITION
  15. 3. Rudder Gust Lock . . . . . . . REMOVE
  16. 4. Tail Tie-down . . . . . . . . . . DISCONNECT
  17. 5. Control Surfaces . . . . . . . . CHECK Attachment and Movement
  18. 6. Empennage/Fuselage. . . . CHECK CONDITION
  19. 3) RIGHT WING TRAILING EDGE
  20. 1. Flap . . . . . . . . . . . . . . . . . . CHECK Attachment and Movement
  21. 2. Aileron . . . . . . . . . . . . . . . CHECK Attachment, Movement, and Counterweights
  22. 4) RIGHT WING
  23. 1. Wing Tie Down . . . . . . . . .DISCONNECT
  24. 2. Undercarriage/Tire . . . . . . CHECK Condition, Inflation, and Brakes
  25. 3. Fuel Drain . . . . . . . . . . . . . DRAIN
  26. 4. Fuel Quantity . . . . . . . . . . DIP/MEASURE
  27. 5. Fuel Filler Cap . . . . . . . . . SECURE (Check Vent)
  28. 6. Wing Surface . . . . . . . . . . CHECK CONDITION
  29. 7. Windshield………………..CLEAN
  30. 5) NOSE
  31. 1. Engine Oil Level . . . . . . . . 4-6 QUARTS
  32. 2. Fuel Sump . . . . . . . . . . . . . DRAIN
  33. 3. Prop/Spinner . . . . . . . . . . . CONDITION
  34. 4. Alternator Belt . . . . . . . . . TIGHT
  35. 5. Oil Cooler . . . . . . . . . . . . . UNOBSTRUCTED
  36. 6. Landing Light…………….CLEAN
  37. 7. Air Filter . . . . . . . . . . . . . . UNOBSTRUCTED
  38. 8. Wheel Strut/Tire . . . . . . . . CHECK Condition and Inflation
  39. 9. Static Port . . . . . . . . . . . . . UNRESTRICTED
  40. 6) LEFT WING
  41. 1. Fuel Quantity . . . . . . . . . . DIP/MEASURE
  42. 2. Fuel Filler Cap . . . . . . . . . SECURE (Check Vent)
  43. 3. Pitot Tube . . . . . . . . . . . . . UNRESTRICTED/CLEAR
  44. 4. Fuel Tank Vent . . . . . . . . . CLEAR
  45. 5. Wing Tie Down . . . . . . . . DISCONNECT
  46. 6. Stall Warning . . . . . . . . . . OPERATION
  47. 7. Wing Surface . . . . . . . . . . CHECK CONDITION
  48. 7) LEFT WING TRAILING EDGE
  49. 1. Aileron . . . . . . . . . . . . . . . CHECK Attachment, Movement, and Counterweights
  50. 2. Flap . . . . . . . . . . . . . . . . . . CHECK Attachment and Movement
  51. 3. Undercarriage/Tire . . . . . . CHECK Condition, Inflation, and Brakes
  52. 4. Remove Chalks…………...SECURE TOW BAR
  53. NIGHT PREFLIGHT
  54. 1. Master Switch . . . . . . . ON
  55. 2. Beacon/Strobes . . . . . . . TEST
  56. 3. NAV Lights . . . . . . . . . . TEST
  57. 4. Landing Light . . . . . . . . TEST
  58. 5. Interior Lights . . . . . . . . TEST
  59. 6. Master Switch . . . . . . . . OFF
  60. Cessna 152 Checklist
  61. Preflight
  62. ROUGH MAG PROCEDURE
  63. 1. Throttle . . . . . . . .2000 RPM
  64. 2. Mixture . . . . . . . .LEAN PK RPM
  65. 3. Time . . . . . . . . . . 30 SECONDS
  66. 4. Mixture . . . . . . . .RICH
  67. 5. Throttle . . . . . . . .1700 RPM
  68. 6. Continue RUNUP
  69. BEFORE STARTING ENGINE
  70. 1. Preflight Inspection . . . . . . COMPLETE
  71. 2. Passenger Briefing . . . . . . COMPLETE
  72. 3. Seats, Seatbelts . . . . . . . . . ADJUSTED/FASTENED
  73. 4. Brakes . . . . . . . . . . . . . . . . TEST and SET
  74. 5. Avionics . . . . . . . . . . . . . . OFF
  75. 6. Circuit Breakers . . . . . . . . CHECK IN
  76. 7. Fuel Shutoff Valve . . . . . . ON
  77. STARTING ENGINE
  78. 1. Mixture . . . . . . . . . . . . . . . RICH
  79. 2. Carburetor Heat . . . . . . . . . COLD
  80. 3. Master Switch . . . . . . . . . . ON
  81. 4. Beacon/Strobes . . . . . . . . . ON
  82. 5. Key……………………….IN IGNITION
  83. 6. Throttle . . . . . . . . . . . . . . . OPEN 1/4 - 1/8 Inch
  84. 7. Brakes . . . . . . . . . . . . . . . . ON
  85. 8. Prime . . . . . . . . . . . . . . . . . AS REQUIRED (Verify In and Locked)
  86. 9. Propeller Area . . . . . . . . . . CLEAR
  87. 10. Ignition Switch . . . . . . . . .START (Release When Engine Starts)
  88. 11. Throttle . . . . . . . . . . . . . . IDLE (1000 RPM or Below)
  89. 12. Oil Pressure . . . . . . . . . . . RISING
  90. 13. Ammeter . . . . . . . . . . . . . STARTER DISENGAGED (Charging)
  91. 14. Flaps . . . . . . . . . . . . . . . . UP
  92. 15. Radios/Avionics . . . . . . . ON and Frequency Set
  93. 16. Transponder . . . . . . . . . . STANDBY (Set 1200 or Assigned Squawk)
  94. 17. Taxi to Run-Up Area
  95. 18. Brakes . . . . . . . . . . . . . . . TEST
  96. RUNUP BEFORE TAKEOFF
  97. 1. Cabin Doors . . . . . . . . . . . CLOSED and LATCHED
  98. 2. Flight Controls . . . . . . . . . FREE and CORRECT
  99. 3. Elevator Trim . . . . . . . . . . TAKEOFF
  100. 4. Flight Instruments . . . . . . CHECK and SET
  101. 5. Brakes . . . . . . . . . . . . . . . . ON/SET
  102. 6. Throttle . . . . . . . . . . . . . . . 1700 RPM
  103. A. Magnetos . . . . . . . . . . . . . CHECK RIGHT, then LEFT
  104. B. Carburetor Heat . . . . . . . . TEST
  105. C. Ammeter . . . . . . . . . . . . . CHARGING
  106. D. Engine Instruments . . . . . TEMP & PRESSURE
  107. E. Suction Gauge . . . . . . . . . CHECK
  108. 7. Throttle . . . . . . . . . . . . . . . IDLE
  109. 8. Throttle Friction Lock . . . . ADJUST
  110. 9. Lights . . . . . . . . . . . . . . . . AS REQUIRED
  111. 10. Radios/Avionics . . . . . . . SET
  112. 11. Transponder . . . . . . . . . . ALTITUDE
  113. 12. Mixture………………….RICH
  114. Cessna 152 Checklist
  115. Normal Operating Procedures
  116. NORMAL TAKEOFF
  117. 1. Wing Flaps . . . . . . . . . . . . 0°-10°
  118. 2. Carburetor Heat . . . . . . . . COLD
  119. 3. Throttle . . . . . . . . . . . . . . . FULL/OPEN
  120. 4. Elevator Control . . . . . . . . ROTATE @ 50 KIAS
  121. 5. Climb Speed . . . . . . . . . . . 65-75 KIAS
  122. SHORT FIELD TAKEOFF
  123. 1. Wing Flaps . . . . . . . . . . . . 10°
  124. 2. Carburetor Heat . . . . . . . . . Cold
  125. 3. Brakes . . . . . . . . . . . . . . . . APPLY
  126. 4. Mixture . . . . . . . . . . . . . . . RICH
  127. 5. Throttle . . . . . . . . . . . . . . . FULL/OPEN
  128. 6. Brakes . . . . . . . . . . . . . . . . RELEASE
  129. 7. Elevator Control . . . . . . . . ROTATE @ 50 KIAS
  130. 8. Climb Speed . . . . . . . . . . . 54 KIAS (Until Obstacles Cleared)
  131. 9. Wing Flaps . . . . . . . . . . . . RETRACT @ 60+ KIAS
  132. CRUISE
  133. 1. Pitch. . . . . . . . . . . . . . . . . . LEVEL FLIGHT
  134. 2. Power. . . . . . . . . . . . . . . . . SET TO CRUISE
  135. 3. Trim. . . . . . . . . . . . . . . . . . SET
  136. 4. Mixture. . . . . . . . . . . . . . . .LEANED
  137. Cessna 152 Checklist
  138. Normal Operating Procedures
  139. Pressure Altitude
  140.  
  141. 20° C Below
  142. Standard
  143. Standard
  144. Temperature
  145. 20° C Above
  146. Standard
  147. RPM
  148. 2,000 ft
  149. 65% BHP
  150. 91 KTAS
  151. 5.4 GPH
  152. 62% BHP
  153. 90 KTAS
  154. 5.1 GPH
  155. 58% BHP
  156. 89 KTAS
  157. 4.9 GPH
  158. 2200
  159. 4,000 ft
  160. 62% BHP
  161. 90 KTAS
  162. 5.1 GPH
  163. 59% BHP
  164. 89 KTAS
  165. 4.9 GPH
  166. 55% BHP
  167. 88 KTAS
  168. 4.7 GPH
  169. 2200
  170. 6,000 ft
  171. 59% BHP
  172. 89 KTAS
  173. 5.0 GPH
  174. 56% BHP
  175. 88 KTAS
  176. 4.7 GPH
  177. 53% BHP
  178. 87 KTAS
  179. 4.6 GPH
  180. 2200
  181. 8,000 ft
  182. 64% BHP
  183. 94 KTAS
  184. 5.3 GPH
  185. 60% BHP
  186. 93 KTAS
  187. 5.0 GPH
  188. 56% BHP
  189. 92 KTAS
  190. 4.8 GPH
  191. 2300
  192. 10,000 ft
  193. 60% BHP
  194. 93 KTAS
  195. 5.1 GPH
  196. 57% BHP
  197. 92 KTAS
  198. 4.8 GPH
  199. 54% BHP
  200. 90 KTAS
  201. 4.6 GPH
  202. 2300
  203. 12,000 ft
  204. 57% BHP
  205. 92 KTAS
  206. 4.9 GPH
  207. 54% BHP
  208. 90 KTAS
  209. 4.6 GPH
  210. 51% BHP
  211. 87 KTAS
  212. 4.5 GPH
  213. 2300
  214. Note: Refer to
  215. POH for further
  216. details or precise
  217. numbers. Speeds
  218. shown are for a
  219. 1984 Cessna 152
  220. with fairings
  221. removed.
  222. AIRSPEEDS (KIAS)
  223. VNE .........149
  224. VNO.........111
  225. VA...........93-104
  226. VFE .........85
  227. VY........... 67 @ S.L.
  228. VX........... 54 @ S.L.
  229. VS1..........40
  230. VS0..........35
  231. DESCENT
  232. 1. Power. . . . . . . . . . . . . . . . . AS REQUIRED
  233. 2. Mixture. . . . . . . . . . . . . . . . AS REQUIRED
  234. 3. Carburetor heat . . . . . . . . . AS REQUIRED
  235. APPROACH
  236. 1. Gas . . . . . . . . . . . . . . . . . . SELECTOR ON
  237. 2. Undercarriage . . . . . . . . . . GOOD TIRE INFLATION
  238. 3. Mixture . . . . . . . . . . . . . . . ENRICHEN AS APPROPRIATE
  239. 4. Prop . . . . . . . . . . . . . . . . . .FIXED
  240. 5. Flaps . . . . . . . . . . . . . . . . . AS REQUIRED
  241. 7. Seatbelts . . . . . . . . . . . . . . .FASTENED
  242. 8. Switches…………………..LIGHTS AS REQUIRED
  243. NORMAL LANDING
  244. 1. Airspeed . . . . . . . . . . . . . . 60-70 KIAS (Flaps Up) or 55-65 KIAS (Flaps 30°)
  245. 2. Wing Flaps . . . . . . . . . . . . AS DESIRED (Below 85 KIAS)
  246. 3. Airspeed . . . . . . . . . . . . . . 55-65 KIAS FINAL APPROACH
  247. SHORT FIELD LANDING
  248. 1. Airspeed . . . . . . . . . . . . . . 60-70 KIAS (Flaps Up)
  249. 2. Wing Flaps . . . . . . . . . . . . 30° (Below 85 KIAS)
  250. 3. Airspeed . . . . . . . . . . . . . . MAINTAIN 55 KIAS FINAL APPROACH
  251. 4. Power . . . . . . . . . . . . . . . . IDLE (After Obstacle Clearance)
  252. 5. Touchdown……………….MAIN GEAR FIRST
  253. 6. Brake……………………..APPLY HEAVILY
  254. 7. Wing Flaps……………….RETRACT
  255. AFTER LANDING
  256. 1. Carburetor Heat . . . . . . . . COLD
  257. 2. Wing Flaps . . . . . . . . . . . . UP
  258. 3. Transponder . . . . . . . . . . . STANDBY
  259. SECURING AIRCRAFT
  260. 1. Radios, Electrical . . . . . . . OFF
  261. 2. Transponder . . . . . . . . . . . 1200/OFF
  262. 3. Magnetos . . . . . . . . . . . . . . CHECK GROUND
  263. 4. Throttle . . . . . . . . . . . . . . . 1200 RPM
  264. 5. Mixture . . . . . . . . . . . . . . . IDLE/CUT-OFF
  265. 6. Ignition Switch . . . . . . . . . OFF
  266. 7. Master Switch . . . . . . . . . . OFF
  267. 8. Control Lock . . . . . . . . . . . ON
  268. 9. Fuel . . . . . . . . . . . . . . . . . . CHECK QUANTITY
  269. 10. Secure . . . . . . . . . . . . . . . TIE DOWN and LOCK
  270. 11.Flight Plan . . . . . . . . . . . CLOSE
  271. Cessna 152 Checklist
  272. Normal Operating Procedures
  273. EMERGENCY PROCEDURES
  274. ENGINE FAILURE
  275. DURING TAKEOFF RUN
  276. 1. Throttle . . . . . . . . . . . . . . . IDLE
  277. 2. Brakes . . . . . . . . . . . . . . . . APPLY
  278. 3. Flaps . . . . . . . . . . . . . . . . . RETRACT
  279. 4. Mixture . . . . . . . . . . . . . . . IDLE/CUT-OFF
  280. 5. Ignition Switch . . . . . . . . . OFF
  281. 6. Master Switch . . . . . . . . . . OFF
  282. IMMEDIATELY AFTER TAKEOFF
  283. 1. Airspeed . . . . . . . . . . . . . . 60 KIAS
  284. 2. Mixture . . . . . . . . . . . . . . . IDLE/CUT-OFF
  285. 3. Fuel Shutoff Valve . . . . . . OFF
  286. 4. Ignition Switch . . . . . . . . . OFF
  287. 5. Flaps . . . . . . . . . . . . . . . . . AS REQUIRED
  288. 6. Master Switch . . . . . . . . . . OFF
  289. DURING FLIGHT
  290. 1. Airspeed . . . . . . . . . . . . . . 60 KIAS
  291. 2. Carburetor Heat . . . . . . . . ON
  292. 3. Best Field………………...SELECTED
  293. 4. Checklist -Fuel Shutoff Valve . . . .ON
  294. -Mixture . . . . . . . . . . . . RICH
  295. -Carburetor Heat . . . . . .ON
  296. -Ignition Switch . . . . . . BOTH (START if Prop is Stopped)
  297. -Primer . . . . . . . . . ……IN and LOCKED
  298. FORCED LANDING
  299. WITHOUT ENGINE POWER
  300. 1. Airspeed . . . . . . . . . . . . . . 65 KIAS (Flaps Up)
  301. 60 KIAS (Flaps Down)
  302. 2. Mixture . . . . . . . . . . . . . . . IDLE/CUT-OFF
  303. 3. Fuel Shutoff Valve . . . . . . OFF
  304. 4. Ignition Switch . . . . . . . . . OFF
  305. 5. Flaps . . . . . . . . . . . . . . . . . AS REQUIRED
  306. 6. Master Switch . . . . . . . . . . OFF
  307. 7. Doors . . . . . . . . . . . . . . . . . UNLATCH Prior to Touchdown
  308. 8. Touchdown . . . . . . . . . . . . SLIGHTLY TAIL LOW
  309. 9. Brakes . . . . . . . . . . . . . . . . APPLY HEAVILY
  310. WITH ENGINE POWER
  311. 1. Airspeed . . . . . . . . . . . . . . 60 KIAS
  312. 2. Flaps . . . . . . . . . . . . . . . . . 30°
  313. 3. Final Airspeed . . . . . . . . . . 55 KIAS
  314. 4. Master Switch . . . . . . . . . . OFF
  315. 5. Doors . . . . . . . . . . . . . . . . UNLATCH Prior to Touchdown
  316. 8. Touchdown . . . . . . . . . . . . SLIGHTLY TAIL LOW
  317. 9. Ignition Switch . . . . . . . . . OFF
  318. 10. Brakes . . . . . . . . . . . . . . . APPLY HEAVILY
  319. Cessna 152 Checklist
  320. EMERGENCY PROCEDURES
  321. DITCHING
  322. 1. Radio . . . . . . . . . . . . . . . . . TRANSMIT MAYDAY on 121.5 MHZ, giving
  323. location and intentions and SQUAWK 7700
  324. 2. Heavy objects . . . . . . . . . . SECURE OR JETTISON
  325. 3. Approach . . . . . . . . . . . . . . High winds, heavy seas INTO THE WIND
  326. Light winds, heavy swells PARALLEL TO SWELLS
  327. 4. Wing flaps . . . . . . . . . . . . . 30°
  328. 5. Power . . . . . . . . . . . . . . . . ESTABLISH 300 FT/MIN DESCENT AT 55 KIAS.
  329. 6. Cabin doors . . . . . . . . . . . . UNLATCH
  330. 7. Touchdown . . . . . . . . . . . . LEVEL ATTITUDE AT 300 FT/MIN DESCENT
  331. 8. Face . . . . . . . . . . . . . . . . . . CUSHION at touchdown with folded coat
  332. 9. Airplane. . . . . . . . . . . . . . . EVACUATE through cabin doors. If necessary, open
  333. windows and flood cabin to equalize pressure so
  334. doors can be opened.
  335. 10. Life vests and raft . . . . . . INFLATE
  336.  
  337. FIRE DURING START ON GROUND
  338. 1. Cranking . . . . . . . . . . . . . . CONTINUE, to get a start which would suck the
  339. flames and accumulated fuel through the carburetor
  340. and into the engine.
  341. If engine starts:
  342. 2. Power . . . . . . . . . . . . . . . . 1700 RPM for a few minutes.
  343. 3. Engine . . . . . . . . . . . . . . . . SHUTDOWN and inspect for damage.
  344. If engine fails to start:
  345. 4. Cranking . . . . . . . . . . . . . . CONTINUE in an effort to obtain a start.
  346. 5. Fire extinguisher. . . . . . . . .OBTAIN (have ground worker obtain if not installed)
  347. 6. Engine . . . . . . . . . . . . . . . . SECURE
  348. A. Master switch . . . . . . OFF
  349. B. Ignition switch . . . . . OFF
  350. C. Fuel shutoff valve . . . OFF
  351. 7. Fire . . . . . . . . . . . . . . . . . . .EXTINQUISH using fire extinguisher, wool blanket,
  352. or dirt.
  353. 8. Fire damage . . . . . . . . . . . . INSPECT, repair damage or replace damaged compo-
  354. nents or wiring before conducting another flight.
  355.  
  356. ENGINE FIRE IN FLIGHT
  357. 1. Mixture . . . . . . . . . . . . . . . IDLE CUT-OFF
  358. 2. Fuel shutoff valve . . . . . . . OFF
  359. 3. Master switch . . . . . . . . . . OFF
  360. 4. Cabin heat and air . . . . . . OFF (except wing root vents)
  361. 5. Airspeed . . . . . . . . . . . . . . 85 KIAS (if fire is not extinguished, increase glide
  362. speed to find an airspeed which will provide an in
  363. combustible mixture)
  364. 6. Forced landing . . . . . . . . . EXECUTE (as described in Emergency Landing
  365. Without Engine Power)
  366. Cessna 152 Checklist
  367. EMERGENCY PROCEDURES
  368. FIRES (CONT)
  369. ELECTRICAL FIRE IN FLIGHT
  370. 1. Master Switch . . . . . . . . . . OFF
  371. 2. All other switches . . . . . . OFF (except ignition switch)
  372. 3. Vents/Cabin Air/Heat . . . . CLOSED
  373. 4. Fire Extinguisher . . . . . . . . ACTIVATE (if available)
  374. 5. Aircraft Cabin . . . . . . . . . . VENTILATE
  375.  
  376. If fire appears out and electrical power is necessary for continuance of flight:
  377.  
  378. 6. Master Switch . . . . . . . . . . ON
  379. 7. Circuit Breakers. . . . . . . . . CHECK for faulty circuit, do not reset.
  380. 8. Radio/Electrical Switches . ON one at a time, with delay after each until short
  381. circuit is localized.
  382. 9. Vents/Cabin Air/Heat. . . . .OPEN when it is ascertained that fire is completely
  383. extinguished.
  384. CABIN FIRE
  385. 1. Master Switch . . . . . . . . . . OFF
  386. 2. Vents/Cabin Air/Heat . . .. .CLOSED (to avoid drafts).
  387. 3. Fire Extinguisher . . . . . . . . ACTIVATE (if available).
  388. 4. Aircraft Cabin . . . . . . . . . . VENTILATE
  389. 5. Land the airplane as soon as possible to inspect for damage.
  390. WING FIRE
  391. 1. Navigation Light Switch . . OFF
  392. 2. Strobe Light Switch . . . . . OFF (if installed)
  393. 3. Pitot Heat Switch . . . . . . . OFF (if installed)
  394. LANDING WITH A FLAT MAIN TIRE
  395. 1. Wing Flaps. . . . . . . . . . . . . AS DESIRED
  396. 2. Approach . . . . . . . . . . . . . . NORMAL
  397. 3. Touchdown . . . . . . . . . . . . GOOD TIRE FIRST, hold airplane off flat tire as long
  398. as possible.
  399. ELECTRICAL POWER SUPPLY SYSTEM MALFUNCTIONS
  400. AMMETER SHOWS EXCESSIVE RATE OF CHARGE (full scale deflection)
  401. 1. Alternator . . . . . . . . . . . . . . . . . . . . . OFF
  402. 2. Alternator Circuit Breaker . . . . . . . . .PULL
  403. 3. Nonessential Electrical Equipment. . .OFF
  404. 4. Flight . . . . . . . . . . . . . . . . . . . . . . . . . TERMINATE as soon as practical.
  405. Cessna 152 Checklist
  406. NOTE—Perform a side slip to keep the flames away from
  407. the fuel tank and cabin, and land as soon as possible, with
  408. flaps retracted.
  409. EMERGENCY PROCEDURES
  410. LOW-VOLTAGE LIGHT ILLUMINATES DURING FLIGHT
  411. (Ammeter Indicates Discharge)
  412. 1. Radios . . . . . . . . . . . . . . . .. . . . . . . . OFF
  413. 2. Alternator Circuit Breaker . . . . . . . . CHECK IN
  414. 3. Master Switch . . . . . . . . . . . . . . . . . . OFF (both sides)
  415. 4. Master Switch . . . . . . . . . . . . . . . . . . ON
  416. 5. Low-Voltage Light . . . . . . . . . . . . . . CHECK OFF
  417. 6. Radios . . . . . . . . . . . . . . . . . . . . . . . . ON
  418. If low-voltage light illuminates again:
  419. 7. Alternator . . . . . . . . . . . . . . . . . . . . . OFF
  420. 8. Nonessential Radio and Electrical Equipment OFF
  421. 9. Flight . . . . . . . . . . . . . . . . . . . . . . . . . TERMINATE as soon as practical.
  422. ICING ENCOUNTER
  423. 1. Turn pitot heat switch ON (if installed).
  424. 2. Turn back or change altitude to obtain an outside air temperature that is less conducive
  425. to icing.
  426. 3. Pull cabin heat control full out to obtain maximum defroster air temperature. For
  427. greater air flow at reduced temperatures, adjust the cabin air control as required.
  428. 4. Open the throttle to increase engine speed and minimize ice buildup on propeller
  429. blades.
  430. 5. Watch for signs of carburetor air filter ice and apply carburetor heat as required.
  431. An unexpected loss in engine speed could be caused by carburetor ice or air intake
  432. filter ice. Lean the mixture for maximum RPM if carburetor heat is used continuously.
  433.  
  434. 6. Plan a landing at the nearest airport. With an extremely rapid ice build-up, select a
  435. suitable “off airport” landing site.
  436. 7. With an ice accumulation of 1/4 inch or more on the wing leading edges, be prepared
  437. for significantly higher stall speed.
  438. 8. Leave wing flaps retracted. With a severe ice build-up on the horizontal tail, the
  439. change in wing wake airflow direction caused by wing flap extension could result
  440. in a loss of elevator effectiveness.
  441. 9. Open left window and, if practical, scrape ice from a portion of the windshield for
  442. visibility in the landing approach.
  443. 10. Perform a landing approach using a forward slip, if necessary, for improved visibility.
  444.  
  445. 11. Approach at 65 to 75 KIAS depending upon the amount of ice accumulation.
  446. 12. Perform a landing in level attitude.
  447. Cessna 152 Checklist
  448. NOTE—Illumination of the low-voltage light may occur during low
  449. RPM conditions with an electrical load on the system such as during a
  450. low RPM taxi. Under these conditions, the light will go out at higher
  451. RPM. The master switch need not be recycled since an over-voltage
  452. condition has not occurred to de-activate the alternator system.
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