Compare
Cessna 140 vs Aeronca 7AC Champ
The two side by side, from the FAA registry, the FAA's Airworthiness Directives and Service Difficulty Reports, and the NTSB's accident database. Each has a full guide: Cessna 140, Aeronca 7AC Champ.
Where they differ
- Most Cessna 140s have the Continental C85; most Aeronca 7ACs the Continental A65.
- The Cessna 140 burns more fuel in a typical cruise: about 5 gallons an hour against 4.5.
- The Aeronca 7AC carries more airframe ADs with a repeat action, 1 against 0: inspections that come back for as long as the AD applies.
Side by side
| Cessna 140 | Aeronca 7AC Champ | |
|---|---|---|
| Registered in the US | 1,581 | 1,840 |
| Built | 1946 to 1949 | 1945 to 1952 |
| Half built by | 1946 | 1946 |
| Seats | 2 | 2 |
| Most common engine | Continental C85 | Continental A65 |
| Typical cruise fuel burn | 5 gal/hr | 4.5 gal/hr |
| Engine overhaul intervalThe engine maker's published hours between overhauls. | 1,800 hr | 1,800 hr |
| Current airframe ADs | 15 | 7 |
| Airframe ADs with a repeat action | 0 | 1 |
| Current ADs on the main engine | 4 | Not recorded |
| Service Difficulty ReportsSince the year shown in each guide; per 1,000 registered today. | 4 (2.5 per 1,000) | 0 (0.0 per 1,000) |
| Most-reported system | Engine (Reciprocating) | None |
| Accidents since 2008Per 1,000 registered today, not per hour flown: a training fleet flies far more than a private one. | 127 (80.3 per 1,000) | 85 (46.2 per 1,000) |
| Fatal accidents since 2008 | 12 | 14 |
| Most common accident | Loss of control on ground | Loss of control on ground |
Report and accident counts are not rates: nobody publishes the hours each model flies, and a training fleet flies far more than a private one. Fuel burn is a typical cruise figure; the engine interval is its maker's published figure for the usual engine.
The Cessna 140's repeat-action ADs
No current airframe AD mentions a repeat action.
Every AD for the Cessna 140The Aeronca 7AC's repeat-action ADs
- 2000-25-02 R1American Champion Aircraft Corporation 7, 8, and 11 Series Airplanes
Questions
- Which has more Airworthiness Directives, the Cessna 140 or the Aeronca 7AC?
- 15 current ADs name the Cessna 140 airframe and 7 the Aeronca 7AC; 0 and 1 of them have a repeat action.
- Which is newer, the Cessna 140 or the Aeronca 7AC?
- Half of the Cessna 140s registered were built by 1946, half of the Aeronca 7ACs by 1946.
- How do the Cessna 140 and Aeronca 7AC accident records compare?
- 127 accidents since 2008 for the Cessna 140 (12 fatal) against 85 for the Aeronca 7AC (14 fatal), from fleets of 1,581 and 1,840. Counts, not rates per hour flown.