Compare
Cessna 172N Skyhawk vs Cessna 172P Skyhawk
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 172N Skyhawk, Cessna 172P Skyhawk.
Where they differ
- There are more Cessna 172Ns to choose from: 3,098 registered against 1,098.
Side by side
| Cessna 172N Skyhawk | Cessna 172P Skyhawk | |
|---|---|---|
| Registered in the US | 3,098 | 1,098 |
| Built | 1976 to 1980 | 1980 to 1986 |
| Half built by | 1978 | 1981 |
| Seats | 4 | 4 |
| Most common engine | Lycoming O-320 | Lycoming O-320 |
| Typical cruise fuel burn | 8 gal/hr | 8 gal/hr |
| Engine overhaul intervalThe engine maker's published hours between overhauls. | 2,000 hr | 2,000 hr |
| Current airframe ADs | 38 | 34 |
| Airframe ADs with a repeat action | 4 | 4 |
| Current ADs on the main engine | 24 | 24 |
| Service Difficulty ReportsSince the year shown in each guide; per 1,000 registered today. | 64 (20.7 per 1,000) | 27 (24.6 per 1,000) |
| Most-reported system | Reciprocating Engine Cylinder Section | Reciprocating Engine Cylinder Section |
| Accidents since 2008Per 1,000 registered today, not per hour flown: a training fleet flies far more than a private one. | 227 (73.3 per 1,000) | 122 (111.1 per 1,000) |
| Fatal accidents since 2008 | 40 | 8 |
| Most common accident | Loss of control on ground | Hard landing |
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 172N's repeat-action ADs
- 2011-10-09Requires retaining all of the actions from the previous AD and adding steps to the inspection procedures in the previous AD
- 2011-06-02Requires installing a full authority digital engine control (FADEC) backup battery, replacing the supplement pilot's operating handbook and FAA approved airplane flight manual, and replacing the FADEC backup battery...
- 2001-23-03Extend the inspections and installation of the switch cover requirement to certain 172N, 172P, R172K, 172RG, F172N, F172P, FR172J, and FR172K series airplanes
- 97-12-06Requires checking the clearance between both the gascolator and cowling area and the tailpipe and cowling area, and modifying these areas immediately if any evidence of rubbing at either location is found or...
The Cessna 172P's repeat-action ADs
- 2011-10-09Requires retaining all of the actions from the previous AD and adding steps to the inspection procedures in the previous AD
- 2011-06-02Requires installing a full authority digital engine control (FADEC) backup battery, replacing the supplement pilot's operating handbook and FAA approved airplane flight manual, and replacing the FADEC backup battery...
- 2001-23-03Extend the inspections and installation of the switch cover requirement to certain 172N, 172P, R172K, 172RG, F172N, F172P, FR172J, and FR172K series airplanes
- 97-12-06Requires checking the clearance between both the gascolator and cowling area and the tailpipe and cowling area, and modifying these areas immediately if any evidence of rubbing at either location is found or...
Questions
- Which has more Airworthiness Directives, the Cessna 172N or the Cessna 172P?
- 38 current ADs name the Cessna 172N airframe and 34 the Cessna 172P; 4 and 4 of them have a repeat action.
- Which is newer, the Cessna 172N or the Cessna 172P?
- Half of the Cessna 172Ns registered were built by 1978, half of the Cessna 172Ps by 1981.
- How do the Cessna 172N and Cessna 172P accident records compare?
- 227 accidents since 2008 for the Cessna 172N (40 fatal) against 122 for the Cessna 172P (8 fatal), from fleets of 3,098 and 1,098. Counts, not rates per hour flown.