Part 121 - Differences Flashcards
What is the definition of a large aeroplane?
- Pax seating capacity > 30; or
- Payload > 3410kg
What type of airworthiness certificate is required for 121 operations?
-Standard category only (Same as 125)
What is rule 91.311? Does it apply to 121 operations
- 91.311 says that flight can be below 500ft for bone fide purposes (with permission from people below or LFZ)
- It is not applicable to 121, operation below 500ft must only be for take off and landing
Can a 121 VFR flight happen at night?
No
What landing performance must be met be a 121 flight? What about wet or contaminated runways?
-Allows a fullstops landing from 50ft AGL at the estimated landing weight within;
=LDR is 70% of LDA for propeller powered aeroplane
=LDR is 60% of LDA for jet powered aeroplane
If wet/ contaminated, LDA is at least 115% of LDR above
or
LDR is calculated using contaminated data.
What factors must be considered when determining LDR?
- Elevation
- Ambient temp
- Runway surface and condition
- Runway slope in LDG direction
- Not more than 50% HWC or less than 150% TWC
What are the standard weights passengers and crew?
- 15kg for child under 2
- 46kg for child under 13
- 86kg for a person over the age of 13
What are the different ways of determining the weight of crew, pax and baggage?
Crew: -Actual weight -Standard weight in exposition -86kg Baggage: -Actual -Standard from exposition if it originates outside NZ Pax: -Actual weight -Standard weight in exposition -Standard weights from rule part
What is the rule regarding GPWS and TAWS on 121 flight?
- Turbine powered plane has GPWS, unless it is equipped with TAWS Class A
- Any turbine powered plane manufactured on or after 1/4/02 must be equipped with TAWS class A
Who can perform maintenance on an aircraft operated under a 121 certificate?
-a 145 approved organisation or an equivalent out of state provided that is party to a technical arrangement
What is the minimum number of flight attendants that can be carried on a 121 pax operation?
The highest fo the following:
- number specified by manufacturer’s recommended emergency evacuation procedures for the configuration
- Number specified in the design criteria
- Will ensure one flight attendant is present in each occupied compartment
- In accordance with the tale in the rule part
What are the minimum flight attendant requirements as per the 121 rule? Table?
If aircraft passenger capacity is: 15-50: 1 51-100: 2 101-150: 3 151-200: 4 201-250: 6 251-300: 7 301-350: 9 351-400:10 401-450: 11 etc
What roles must be designated to flight attendants if there is more than 1 flight attendant required?
- If more then 1, must designate a senior FA who is responsible to PIC for operational and safety functions of each FA
- If 6 or more required, a deputy senior FA must be designated by cert holder
What is the rule regarding FA numbers when one gets sick or cannot perform their duties
If a FA becomes sick or injured during a duty period, the number of FA required by the table int he rule part can be reduced by 1 if
- The other 3 FA number requirements are met
- The remains FA’s are trained and competent to operate safely with one less FA
- A FA that meets training requirements is available to replace the unfit FA at the first AD of landing
What are the flight crew competency checks required for a flight under 121?
PIC:
-Route and AD check at least every 12 months
All crew members:
-Emergency and procedures check (12months VFR, 6 months IFR)
-Written or oral test (12 months)
