list of abbreviations
| Reg | Type | c/n | History | Owners | Date | CoR | Fate |
|---|---|---|---|---|---|---|---|
| CZ-101 | Hamilton H-47 Metalplane | CZ-101 | Isthmian AW | 00.00.29 | |||
| CZ-102 | Hamilton H-47 Metalplane | CZ-102 | Isthmian AW | 00.00.29 | |||
| CZ-103 | Hamilton H-47 Metalplane | CZ-103 | Isthmian AW | 00.00.29 | |||
| CZ-104 | Hamilton H-47 Metalplane | CZ-104 | Isthmian AW | 00.00.29 | |||
| CZ-105 | CZ-105 | ||||||
| CZ-106 | Hamilton H-47 Metalplane | CZ-106 | Isthmian AW | 00.00.29 | |||
| CZ-107 | Hamilton H-47 Metalplane | CZ-107 | Isthmian AW | 00.00.29 | |||
| CZ-108 | CZ-108 | ||||||
| CZ-109 | CZ-109 | ||||||
| CZ-110 | Taylor E-2 Cub | 111 | CZ-110 | 00.08.34 | |||
| CZ-111 | Taylor E-2 Cub | CZ-111 | c/n poss 112 113 or 114 | ||||
| CZ-112 | CZ-112 | ||||||
| CZ-113 | Taylor E-2 Cub | 136 | CZ-113 | 00.11.34 | |||
| CZ-114 | CZ-114 | ||||||
| CZ-115 | CZ-115 | ||||||
| CZ-116(1) | Beech B17B | 48 | CZ-116(1) | Isthmian Airways | 00.00.35 | ||
| CZ-116(2) | Beech 17 | '1135' | CZ-116(2) | ||||
| H-47 c/n 56 ex NC134E also went to Panama as R-12 | |||||||
| H-47 c/n 60 ex NC2917 went to Panama 28.6.29 | |||||||
| Keystone K-84 c/n 332 ex NC756W went to Panama 2.10.31 and was given the military serial G.N.3 | |||||||
| Waco QDC c/n 3501 ex NC 11439 was exported to Panama 24.3.33 | |||||||
| Isthmian also operated a Travel Air-4000 (probably CZ-105) | |||||||