Airship Variants
| Z | Lighter-than-air aircraft (airship) |
|---|---|
| ZF | Free balloon |
| ZK | Barrage balloon |
| ZKN | Training balloon |
| ZKO | observation balloon |
| ZMC | Experimental metal-clad airship |
| ZN | airship (non-rigid) |
| ZNH | Navy airship, air-sea rescue |
| ZNJ | Navy airship, utility |
| ZNN | Non-rigid training airship |
| ZNO | Non-rigid observation airship |
| ZNP | Non-rigid patrol airship |
| ZNS | Non-rigid scouting airship |
| ZR | Rigid airship |
| ZRN | Rigid training airship |
| ZRP | Rigid patrol airship |
| ZRS | Rigid scouting airship |
| NAME | BUILDER | ENGINES | SERVICE | COMMENTS |
|
SZ-1A ZPG-1 ZPN-1 N |
Goodyear | 2 Wright R-1300 | Prototype for N type. Length 324 ft. Helium capacity 875,000 cu.ft. | |
| SZ-1B ZPG-2 |
Goodyear | 2 Wright R-1300 | AIRSHIP USED FOR ANTISUBMARINE MISSION | |
|
EZ-1B ZPG-2W ZP2N-1W Reliance |
Goodyear | 2 Wright R-1300 | 1952-1961 | ZP2N re-designated ZPG-2 (1954). W model for Airborne Early Warning picket duty. Record flight of 8,216 miles in 264 hours. Lakehurst NJ to west Africa to Key West FL non-stop. In service until Navy lighter than air program discontinued on 30 November 1961. |
| EZ-1C ZPG-3W |
Goodyear | 2 Wright Cyclone | 1958-1961 | Largest and last non-rigid airship built for Navy. In service until Navy lighter than air program discontinued on 30 November 1961. |
| YEZ-2A Sentinel |
Westinghouse Airships | 1 General Electric CT7-9 | PROTOTYPE AIRSHIP FOR ELECTRONIC MISSIONS |
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