नौसेना IN434 CHETAK Standard Operating Procedures Flashcards

Flashcards covering the technical specifications, standard operating procedures, limitations, and emergency protocols for the Chetak (नौसेना IN434) helicopter based on the August 2020 SOP manual.

Who ratified and promulgated the Standard Operating Procedures for the Chetak Helicopter on 06 Aug 2020?

Commodore Vikram Menon, Chief Staff Officer (Air) for Flag Officer Naval Aviation.

What is the maximum crosswind component that should not be exceeded during Chetak operations?

$18\,\text{kts}$.

What are the minimum experience requirements for a pilot to be awarded a Centre Seat Qualification (CSQ)?

A minimum of $200\,\text{hrs}$ total flying and $100\,\text{hrs}$ first pilot experience on type, holding a minimum 'C' Green Instrument Rating.

What are the fatigue limits for aircrew (other than QFI and Trainees) in a 24-hour period?

Maximum of $06\,\text{hours}$ flying or $05\,\text{sorties}$, whichever is earlier ($03\,\text{hours}$ or $04\,\text{sorties}$ for night flying).

What is the normal rotor speed during power-on flight at a governed constant engine speed of $33,500\,\text{rpm}$?

$353.2\,\text{rpm}$.

What is the maximum permissible All Up Weight (AUW) for Hover Out of Ground Effect (OGE) and ship-borne operations?

$2090\,\text{Kg}$.

What is the take-off power output of the TURBOMECA ARTOUSTE III-B TURBO SHAFT ENGINE?

$542\,\text{HP}$.

What is the maximum continuous Tail Pipe Temperature (TPT) for the Chetak engine?

$500^{\circ}\text{C}$.

Which types of fuel are approved for use in the Chetak helicopter with a specific gravity of $0.8$?

ATF-K50 or AVCAT/JP-5.

What grade of oil is used for the Main Gear Box (MGB) and Tail Gear Box (TGB)?

OEP-70 (capacity $4.5\,\text{ltrs}$ for MGB and $0.5\,\text{ltrs}$ for TGB).

What is the unusable/non-drainable fuel jettison capacity and its flow rate in the Chetak?

$200\,\text{ltrs}$ at a flow rate of $200\,\text{ltrs}/90\,\text{sec}$.

What is the maximum permissible concentrated load on the cabin floor?

$1000\,\text{kg/m}^2$.

On which three distress frequencies does the ELT Type 503 operate?

$121.5\,\text{MHz}$, $243\,\text{MHz}$, and $406.025\,\text{MHz}$.

What is the maximum duration of air supply provided by the HEED SEA LV 2?

$24\,\text{breathes}$.

What is the recommended cruise collective pitch for normal cruise from sea level to $3300\,\text{ft}$?

$0.8$.

What is the standard planning figure for fuel consumption per hour for the Chetak helicopter?

$200\,\text{ltrs/hr}$.

What is the minimum established Ramp Fuel for landing on a runway or deck?

$100\,\text{ltrs}$.

At what height and speed should the Chetak helicopter be flown during an autorotative descent?

$60-65\,\text{knots IAS}$ at heights above $150\,\text{ft}$.

What is the maximum load that can be carried on the rescue winch?

$130\,\text{Kg}$ (or $135\,\text{kg}$ for the Electrical Rescue Hoist).

What is the maximum permissible weight for external cargo sling operations?

$750\,\text{kg}$ (or $1650\,\text{lbs}$).

What are the maximum pitch and roll limitations for a personnel transfer (VERTREP) on a non-helicopter capable ship?

Roll of $\pm 5^{\circ}$ and pitch of $\pm 3^{\circ}$.

What is the defined 'Charlie Time' in carrier operations?

The time for helicopters to land on-board the ship.