Welcome to Ameritech Industries, Inc.

Ameritech Industries is the home of: EAGLE ENGINES, AMERICAN PROPELLER SERVICE and DESIGNER*PROPTM
MARQUIS MACH 270 Modification

For Cessna 180 (all models) and 182 (models H - R,) EAGLE ENGINES has the technology to provide owners with the MARQUIS MACH 270 utilizing the  P. Ponk conversion.

CESSNA 180 and 182 benefits are:

  • 35% more horsepower
  • 30% decreased roll out
  • Increased TBO
  • 20% better rate of climb
  • Increased aircraft safety
  • Increased aircraft value

Propellers approved for this STC:

  • CESSNA 180 - Hartzell - PHC-C3YF-1RF/F8068
  • McCauley - D3A34C401/90DFA-4 to –12
  • CESSNA 182 - Hartzell - PHC-C3YF-1RF/F8068
  • McCauley - D2A34C58/90AT-8, 2A34C66/90AT-8, D3A32C90/82NC-2, D3A34C401/90DFA-10

MARQUIS MACH 550 Modification

For BONANZA and BARON owners, the MARQUIS MACH 550 converts the IO-520 to an IO-550.  Available for models E-33A, F-33A, S-35, V-35, A-36, 55 and 58.

 BONANZA and BARON benefits are:
  • Shorter take-off
  • Faster cruising speeds
  • Increased TBO
  • Increased rate of climb
  • Increased aircraft safety
  • Increased aircraft value

Propellers approved for this STC:

  • BONANZA: McCauley – 3A32C76/82NB-2, 3A32C406/82NDB82-2 and D3A32C409/NDB-2
  • Hartzell – HC-C3YF-1/8468A-6R (min diameter 77”)
  • Hartzell – PHC-C3YF-1DR/F8468-6R (min diameter 77”)
  • BARON:  Hartzell – PHC-J3YF-2UF/FC7663-2R
Aircraft STC's available are: General Aviation Modifications, Inc. or Beryl D'Shannon Aviation.

Ameritech Industries, Inc.  20208 Charlanne Drive  Redding, CA  96002  USA (530) 221-4470 Fax (530) 221-5201

FAA Repair Station #NO3R717L