Issued: 08-MAY-2023 | To: Nepalese operators | 9N-AET(1) |
It is recommended to have an Independent Inspection for ensuring the correct configuration set up of TAWS and relevant interfaced system as well, and its proper functioning as per the approved data each time after any associated maintenance [modifications, parts replacement and wiringrepairs, data upload, etc. on these systems which could affect the configuration set up and its proper functions. |
Issued: 08-MAY-2023 | To: Civil Aviation Authority of Nepal (CAAN) | 9N-AET(10) |
CAAN should review the procedure in coordination with operators and comparing the best practices of similar countries to address the following issues:
a. The age of PIC, especially Instructor Pilot for STOL operations, to be limited at or below 60th birthday, if possible and/or practical based on his/her medical status (Physical and Mental), past accident/incidents records, human factor analysis etc. (based onScientific study)
b. Policy to ensure that the crew gradient in STOL airfields operation is maintained to be as low as possible.
c. Review of Nepalese STOL Airfields categorization criteria based on enroute, geographical factors, aerodrome features, etc.
d. Provisions of phase-wise up-gradation policy of co-pilots operating in the STOL airfields categorically, referencing to PICs upgradation provisions.
e. Requirement to establish best practices for conducting trainings for safe and effective management of emergency and abnormal situations, created by unexpected weather.
f. Requirement to ensure that simulator-based exercises or role-playing for the F/O to assertively raise their concerns and also train Captains to develop a leadership style that supports the F/Os assertiveness to be included as part of the already required crew resource management training.
g. CAAN should increase its safety oversight frequency in base stations of airlines other thanKathmandu.
h. CAAN should study and review the inadequacy in medical requirements of aging pilots |
Issued: 08-MAY-2023 | To: Nepalese operators | 9N-AET(2) |
Any nuisance Alerts generated by the TAWS shall mandatorily be reported for proper analyzing and troubleshooting by the authorized personnel in order to keep the TAWS functional reliability all the time as per the design criteria. |
Issued: 08-MAY-2023 | To: Tara Air | 9N-AET(3) |
An effective operational control of the flight should be maintained at all operation bases, including positioning of a qualified Flight Dispatcher. |
Issued: 08-MAY-2023 | To: Tara Air | 9N-AET(4) |
Cockpit gradient in STOL operation should be maintained as low as possible. |
Issued: 08-MAY-2023 | To: Tara Air | 9N-AET(5) |
The carrier establishes a policy and makes it clear to their pilots that there will be no negative repercussions for appropriate questioning in accordance with CRM techniques of another pilots decision or action and to ensure that CRM programs provide pilots with training in recognizing the need for, and practice in presenting clear and unambiguous communications of flight-related concerns. |
Issued: 08-MAY-2023 | To: Tara Air | 9N-AET(6) |
The operator should conduct safety risk assessment and medical before allowing the aging PIC to fly in high altitude difficult terrain. |
Issued: 08-MAY-2023 | To: Civil Aviation Authority of Nepal (CAAN) | 9N-AET(7) |
CAAN should devise mechanisms for en-route weather to ensure safe operation along the routes serving STOL remote airports. |
Issued: 08-MAY-2023 | To: Civil Aviation Authority of Nepal (CAAN) | 9N-AET(8) |
It is recommended to have an immediate One Off inspection on all required aircraft in order to verify the correct configuration set up of TAWS and other interfaced system as well as Functional Test of the TAWS in accordance with the approved maintenance data. |
Issued: 08-MAY-2023 | To: Civil Aviation Authority of Nepal (CAAN) | 9N-AET(9) |
It is recommended to have random/spot checks to ensure the aircraft operations with its TAWS functioning condition and the inhibit function is not inhibited. |