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Exhaust Ejector/Deflector Assembly, LH

Aircraft OEM: Bell Helicopters
Aircraft Model: 412

General Information:
Alpine Aerotech has developed the Exhaust Ejector, ultimately succeeding its OEM counterpart. The Exhaust Ejector has been intelligently designed and constructed resulting in a durable product that outperforms all previous revisions. The Exhaust Ejector is also equipped with our Exhaust Deflector which directs hot exhaust gases away from your aircraft’s tailboom, increasing tailboom service life.

Aircraft OEM Bell Helicopter
Aircraft Model 212, 412, UH-1N
Product System Air Management
Product Description Exhaust Ejector/Deflector Assembly, LH
ALPINE Part Number AAL-061-204-001
Alternate Configurations N/A
Price USD $ 19,222.00
  • Exhaust Ejector
  • The revolutionary removable jacket design allows the Exhaust Ejector to expand and contract freely, and is secured with only 10 screws and 3 clamps. This relieves many issues with previous designs:
    • Working rivets are eliminated
    • Inner liner cracks eliminated
    • Hat Section cracks eliminated
  • The jacket is designed to be removed in minutes, making inspections simple and efficient.
  • Replacement parts available (please refer to Exhaust Ejector Replacement Parts)

  • Exhaust Deflector
  • The Exhaust Deflector directs exhaust gases 30⁰ upwards from the tips of the exhaust ejectors.
  • Deflecting exhaust gases upwards results in many advantages for the helicopter operator:
    • Lower temperatures on the tailboom bonded panels.
    • Reduced temperatures at the No. 3 drive shaft bearing location.
    • Less damage to tailboom paint finish.
    • Significant reduction in soot deposits on tailboom.
  • The installation of Alpine Aerotech’s Exhaust Deflectors drops temperatures approximately 43.3⁰ C (110⁰F).
STC Number
AC Approved
TCCA SH97-80 212,412,412EP,412CF
FAA SR00846NY 212,412,412EP
EASA 10046686 212,412,412EP
JCAB STC-17-OSA 212,412,412EP
  • Weight: 0.00lbs (Equivalent to OEM)
  • Balance: Long. Arm N/A; Lat. Arm N/A
  • Install Time: 3 Hours
  • All accessories/components manufactured by Alpine Aerotech LP are warranted to be free from defects in workmanship performed by Alpine Aerotech LP for a period of twelve (12) months or six hundred (600) hours of operation; whichever occurs first, after the date of shipment.
  • N/A
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