Dual Engine corrosion x Tiers
Tier 1 (Dual)
Example Aircraft:
Cessna 310
Piper PA-23 Apache & Aztec/30 & 39 Twin Commanche/44 Seminole
Tier 2 (DuAl)
Example Aircraft:
Piper PA-34 Seneca
Tier 3 (DuAl)
Example Aircraft:
Beechcraft 50 Twin Bonanza/55 Baron/76 Duchess/95 Travel Air
Cessna 320
TIER 4 (DUAL)
Example Aircraft:
Beechcraft 56/58 Baron
Cessna 337
Tier 5 (Dual)
Example Aircraft:
Piper PA-31 Navajo
Tier 6 (DuAl)
Example Aircraft:
Beechcraft 60 Duke/65 Queen Air
Cessna 340/401, 402 & 404/411/414
Piper PA-600 Aerostar
Tier 7 (Dual)
Example Aircraft:
Cessna 421 Golden Eagle/441 Conquest
Piper PA-31-325 Navajo & 350 Chieftain