P-3 Orion Limits

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Author:
P3ORION
ID:
80764
Filename:
P-3 Orion Limits
Updated:
2011-04-28 18:09:24
Tags:
P3 Orion Natops
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Description:
Natops Chapter 4 Limits
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  1. When using ground sources of air for starting, what are temp/press limits?
    • 140 psi @ 480 deg F
    • 110 psi @ 625 deg F
  2. Max SHP for 3 secs during power lever movement?
    4600 shp
  3. What shp does "flopover" occur?
    5300 shp
  4. Max power time limit during takeoff?
    5 mins
  5. Time limit for military power if required?
    30 mins
  6. Max residual TIT for ground start?
    200 C
  7. Max residual TIT for airstart?
    150 C
  8. TIT range during start?
    750-830 C
  9. TIT range during low RPM (starting)?
    410-730 C
  10. TIT range during normal RPM (starting)?
    445-645 C
  11. TIT range during max reverse?
    580-790 C
  12. TIT range during flight idle?
    430-705 C
  13. Max TIT during max power?
    1077 C (5 minutes)
  14. Max TIT during military power?
    1049 C (30 minutes)
  15. Max TIT normal rated?
    1010 C
  16. Max TIT during max cruise?
    1010 C
  17. RPM range during low RPM (starting)?
    71.0-73.8%
  18. RPM range during normal RPM (starting)?
    96.3-99.1%
  19. RPM range during max reverse?
    96.7-104.9%
  20. RPM range during flight idle?
    94.5-98.4%
  21. RPM range during max power?
    • 99-101%
    • Note: takeoff limits - allowable momentary overshoot is 96 to 106%. Over 106 with immediate drop must be inspected prior to next flight. RPM should stabilize within 10 secs.
  22. RPM range during military power?
    • 99-101%
    • Note: allowable overshoot with sync on is +-1%, sync off is +-2%. Must stabilize within 10 secs
  23. RPM range normal rated?
    • 99-101%
    • Note: allowable overshoot with sync on is +-1%, sync off is +-2%. Must stabilize within 10 secs
  24. RPM range max cruise?
    • 99-101%
    • Note: allowable overshoot with sync on is +-1%, sync off is +-2%. Must stabilize within 10 secs
  25. Oil pressure fluctuation limits @ 100% RPM?
    • +-5 in power section
    • +-20 in RGB section
  26. Oil pressure limit during start (RGB & Pwr Section)?
    Pos pressure by 35% RPM
  27. Oil pressure limits during low RPM (starting) (RGB & Pwr Section)?
    • RGB: 250 except start and warmup 50
    • PS: 100 start and warmup only then 60, 50
    • Note: if press below 50 at low RPM, this is acceptable provided pressure is within limits at 100% RPM
  28. Oil pressure limits during normal RPM (starting) (RGB & Pwr Section)?
    • RGB: 250 except start and warmup 150
    • Note: operation below 150 when 100% RPM is permitted. If RGB press is 130-150, record and continue, maintenance is required prior to next flight.

    • PS: 100 start and warmup only then 60, 50
    • Note: if press below 50 at low RPM, this is acceptable provided pressure is within limits at 100%RPM
  29. Oil pressure limits during max power (RGB & Pwr Section)?
    • RGB: 150-250
    • Note: operation below 150 when 100% RPM is permitted. If RGB press is 130-150, record and continue, maintenance is required prior to next flight.

    PS: 50-60
  30. Oil pressure limits during military power (RGB & Pwr Section)?
    • RGB: 150-250
    • PS: 50-60
  31. Max time allowed at zero/neg G's?
    10 secs
  32. Fluctuating oil press is allowed during and following zero/neg G, however a shutdown is required if...(3 things)?
    • 1. oil press fluctuations continue longer than 15 secs after returning to pos g's
    • 2. oil press remains at zero longer than a momentary transient condition
    • 3. after 1 minute, an airstart may be attempted
  33. Oil temp min during start?
    -40 C
  34. Oil temp limits during low RPM (starting)?
    • -40 C
    • 60-90 C
    • 90 C

    Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range
  35. Oil temp limits during normal RPM (starting)?
    • -40 C
    • 60-90 C
    • 90 C

    Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range
  36. Oil temp limits during max reverse?
    • 40 C
    • 60-90 C
    • 90 C

    Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range
  37. Oil temp limits during flight idle?
    • 0 C
    • 60-90 C
    • 90 C

    Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range
  38. Oil temp limits during max power?
    • 40 and increasing, then 60
    • 60-90 C
    • 90 C

    • Note: Operation with oil temp 50-60 is permitted under extremely cold
    • conditions provided all oil prerssure limits are maintained. When temp
    • is 40 C and RGB pressure shows no fluctuation, max power may be applied.

    Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range.
  39. Oil temp limits during military power?
    40 and increasing, then 6060-90 C90 CNote: Operation with oil temp 50-60 is permitted under extremely cold conditions provided all oil prerssure limits are maintained. When temp is 40 C and RGB pressure shows no fluctuation, max power may be applied.Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range.
  40. Oil temp limits during normal rated power?
    • 40 and increasing, then 60
    • 60-90 C
    • 90 C

    Note: Operation with oil temp 50-60 is permitted under extremely cold conditions provided all oil prerssure limits are maintained. When temp is 40 C and RGB pressure shows no fluctuation, max power may be applied.

    Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range.
  41. Oil temp limits during max cruise?
    • 40 and increasing, then 60
    • 60-90 C
    • 90 C

    Note: Operation with oil temp 50-60 is permitted under extremely cold conditions provided all oil prerssure limits are maintained. When temp is 40 C and RGB pressure shows no fluctuation, max power may be applied.

    Note: 100 C oil temp max is allowed for 30 mins in beta range and 5 mins in alpha range.
  42. SHP limit during low RPM (starting)?
    minimum until oil temp is above 0 C
  43. SHP limit during normal RPM (starting)?
    1000 max at oil temp 0-40 C
  44. SHP limit during max reverse?
    1000 max at oil temp 0-40 C
  45. SHP limit during flight idle?
    1000 max at oil temp 0-40 C
  46. SHP limits during max power?
    4600 (5300 for 3 secs)
  47. SHP limits during military power?
    4600 continuous

    During airstart: minimum until oil is above 0 C. Then 1000 max at oil temp 0-40 C
  48. SHP limits during normal rated power?
    4600 continuous

    During airstart: minimum until oil is above 0 C. Then 1000 max at oil temp 0-40 C
  49. SHP limits during max cruise?
    4600 continuous

    During airstart: minimum until oil is above 0 C. Then 1000 max at oil temp 0-40 C
  50. Overtemp range?
    1083-1175 for 5 secs or exceeds 1175
  51. Action for overtemp in ground operation?
    Reduce power, shut down, record, call for maintenance, inspection required.
  52. Action for overtemp during takeoff?
    Reduce power until TIT is 1077 or below, record, call maintenance prior to next flight.
  53. Action for overtemp during flight?
    Reduce power until TIT is 1010 or below, record and call maintenance prior to next flight.
  54. APU exhaust gas temp (EGT) limits for -10 model?
    • 732 max peak
    • 710 max peak 10 secs
    • 649 max continuous
  55. APU RPM limits all models?
    • Ground: 98-102%
    • Flight: 98-103%
  56. APU will automatically shut down at what percent?
    106%
  57. APU max altitude and airspeed?
    • 20k ft
    • 225 kts
    • It is capable of starting engines up to 6k ft.
  58. Engine starter limit?
    Pull out at 64%
  59. Max speed maneuver flaps?
    275
  60. Max speed TO/APPR flaps?
    190
  61. Max speed land flaps?
    170
  62. Max speed with gear extended?
    300
  63. Max speed gear extension 1G?
    300
  64. Max speed gear extension >1G?
    190
  65. Max speed gear retraction?
    190
  66. Max speed landing lights extension?
    260
  67. Max speed bomb bay doors open?
    limit dive speed
  68. Max speed overwing exit?
    170
  69. Max speed main cabin door open?
    300
  70. Max speed APU door open?
    225
  71. Max speed IRDS turret extended?
    Vne
  72. Max speed IRDS turret extention/retraction?
    375
  73. Max speed AIMS turret extended?
    Vne
  74. Max speed AIMS turret extention/retration?
    350
  75. Speed range fuel dump?
    140-300
  76. Min speed airstart (range not critical)?
    170
  77. Min speed airstart (range critical)?
    210
  78. Max airspeed sea level and 1000 ft increments?
    345 sea level, reduce 6kts per 1000 ft altitude
  79. max altitude airstart with JP4?
    35000
  80. Max altitude airstart JP5 or JP8?
    25000
  81. Max speed NAVAIR <125k lbs?
    300
  82. Max speed NAVAIR 125k-135k lbs?
    • SL-15k: 225
    • 15k-20k: 235
    • 20k-25k: 245
    • 25k and up: 255
  83. Max speed NAVAIR >135k lbs?
    215
  84. Min G's symmetrical flight NAVAIR?
    0 G's
  85. Max G's NAVAIR symmetrical flight?
    • <125k lbs: 2.5G
    • >125k lbs: 2 G
  86. Min G NAVAIR roll maneuver?
    1 G
  87. Max G NAVAIR roll maneuver?
    • <125k lb: 2 G
    • >125k lb: 1.5 G
  88. Min altitude on station RADALT and RAWS?
    • 200 day/VMC
    • 300 night/IMC
  89. Min altitude on station no RADALT or RAWS w/ updated BARO setting?
    • 300 day/VMC
    • 500 night/IMC
  90. Min altitude on station no RADALT no updated BARO setting?
    • 500 day/VMC
    • 1000 night/IMC
  91. Minimum attitude sources for flight: VMC?
    any two of the three primary sources (INS1, INS2, standby gyro)
  92. Minimum attitude sources for flight: IMC/cross country?
    all three sources (INS1, INS2, standby gyro) or any two of the three AND the peanut gyro
  93. Minimum attitude sources for flight: outside NAVAID range?
    two inertials (both in NAV mode) and standby gyro
  94. Max AOB during flight?
    60
  95. Max zero fuel weight without tank foam?
    80,400 lb
  96. Max zero fuel weight with tank foam?
    80,200 lb
  97. Max fuel differential tank 1 and 4 takeoff?
    1400
  98. Max fuel differential tanks 1 and 4 in flight and landing?
    4389
  99. Max fuel differential tanks 2 and 3 takeoff?
    5025
  100. Max fuel differential tanks 2 and 3 in flight and landing?
    no restriction
  101. Fuel dumping is prohibited with wing flaps beyond ___?
    TO/APPR
  102. Max gross weight?
    135k lb
  103. Max gross weight with CO permission?
    139,760 lbs
  104. Max recommended land weight?
    103,880 lbs
  105. Max weight for 10 landings (overweight)?
    103,880 - 114,000 lbs
  106. Max weight emergency landing?
    >114,000 lbs
  107. Max floor panel loading per square foot?
    60 lbs
  108. Can cargo be stored in electronics bays?
    cargo SHALL NOT be stored in electronics bays

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