Limitations Flashcards
Definition of icing condition
1) 10•c or below; and
2) Visible moisture is present, in any form, such as clouds, fog or mist with visibly of one mile or less, rain, snow, sleet and ice crystals; or
3) when operating on ramps, taxiways, or runways where surface snow, ice, standing water, or slush may be ingested but the engines; or freeze on engines, nacelles, or engine sensor probes.
Single engine taxi is not authorized when
- ice accretion in form of freezing rain, freezing drizzle, freezing fog, or heavy snow is anticipated
- braking action less than good
- reported RVR less than 1200
- power out is required
Engine starter limits
1 and 2nd……..90 sec on ground 120 air
3 rd through 5th……..90 sec on ground 120 air
Cool down;
1 and 2 10 sec off
3rd thru 5th…….5 minutes off
Dry Monitor
1st 90 sec on 5minutes off
1-5. 30 sec on 5 minutes off
APU altitude start max
30 000
APU max altitude Electrical
33 000
APU bleed
15 000
APU assisted start altitude
21 000
APU starter Duty cycle
1 and 2…… 60 seconds On 60 off
3rd……..60 seconds on 5 minutes off