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2011 Cessna C172 Model History RSV free Training Manuals

Models and  Differences

The Cessna 172 had a number of type variants during its production history. Additionally there are a number of modifications provided for the airframe, instruments/avionics equipment and electrics.

Speeds often vary between models by one or two knots, sometimes more for significant type variants. For simplification the speeds have been provided for the C172 Skyhawk, which was produced in the largest numbers. All speeds have been converted to knots and rounded up to the nearest 5kts. Generally multiple provision of figures can lead to confusion for memory items and this application is safer for practical use during conversion training.

1st Whenever maximum performance is required as speeds also vary with weight, and density altitude the Aircraft Operating Handbook must be consulted for the correct figure.

During practical training reference should be made to the flight manual of the aeroplane you will be flying to ensure that the limitations applicable for that aeroplane are adhered to. Likewise when flying different models it should always be remembered that MAUW, flap limitations, engine limitations and speeds may vary from model to model.

Xt Before flying different models, the Aircraft Operating Handbook should be consulted to verify differences.

Main  Differences  in year of manufacturing

The following modification of Cessna 172 were made during years of production of the aircraft:

  • The1957  model  has a  145hp  Continental  engine;
  • Model’safter  1960  have  a  swept tail;
  • In1963  a  rear window  appeared  as well  as a  single  piece windshield  and  longer elevator;
  • 1964model  were  equipped  with  electric flaps instead  of the “Johnson  Bar”;
  • 1968models switched to  Lycoming  150hp  engines.
  • In1971  the  spring  steel  main  landing  gear was changed  to tubular steel.
  • In1981  Cessna  switched  to  a  160-hp engine  and  gross weight of 2400lbs  but reduced  flap travel  of 30  degrees.
  • 1996and  later models feature the  Lycoming  IO-360-L2A four cylinder,  fuel injected  engine,  an  annunciator panel  or optional  Garmin  GIOOO  EFIS avionics suit.

A more comprehensive summary combined with serial numbers and model numbers is contained in the table on the following pages.

Naming  Terminology

The C172 series manufactured by Cessna in Wichita, like most Cessna models, started with the C172 followed by the C172A and continued sequentially up until the C172 R and S, with the exception of the models J and O which never completed certification. Each new model release superseding the previous, with the exception of model variants (such as the 172RG and R172K).

Model Variants

Some models carried an alternate prefix or suffix to designate a specific difference, or model variant as detailed below.

Reims  172

The F172 for models D through M, was made by Reims in France, and according to Cessna there are no significant differences apart from the engines on models prior to 1971 (F172K and earlier), however there are some differences in manufacturing processes.

Cessna  175 Certified  Aircraft

Although marketed as a C172, the P172D, F172/FR172 and C172RG were all designated under the C175 type data certification sheet by the FAA.

The P172D, where the ‘P’ indicated the geared engine referred to as “Powermatic” by Cessna. The different type designator also reflected a larger distinction, the aircraft is nearly identical to the C175C and treated as such for certification, it has little in common with the C172D except the year of manufacture (1963).

The C172 RG – where the ‘RG’ designated a retractable Cessna as with other models of Cessna. Produced between 1981 and 1985, the RG option was not reintroduced when production commenced in 1996.

The prefix ‘R’ was originally given to the 210hp military version C172, made specifically for the US Air Force, and should not be confused with the Reims (‘F’) models or the retractable (‘RG’) models. The original military R172 was produced for models R172E through to R172H, between 1964 and 1973, called by the USAF a T41-B, C or D, depending on options (the C172H, originally made for the USAF was called the T41-A). Most models retired into USAF aeroclubs, a few are in civilian use, and some still remain in US and other air force operations. These models led to the development of a civilian version, the R172K given the name Hawk XP and the FR172K, Reims Hawk XP or Reims Rocket, with the same engine de-rated to 195hp, produced between 1977 and 1981.

Model  History Table

The table below summarises the model history versus serial number compiled from the type data certification summaries (TDC) and from the technical information in the Cessna maintenance manuals.

Model Name Year Serial

Numbers

Significant Changes and  Features
C172   1956 28000-

29174

The first model  C172,  which  was  basically

a  Cessna  170B with tricycle gear,

    1957 29175-

29999,

36000-

36215

distinctive  straight windowless  back,

square vertical tail,  and  manual  flap, the

Continental  6  cylinder 0-300-A or B

engine  producing  145hp  at 2700hp

42USG  fuel  tank  (37USG  usable),

maximum  weight of 2200lbs for the  lad

plane, the  seaplane was  increased  to

2220lbs where  it remained  through  the

C172  model  history.

    1958 36216-

36965

    1959 36966-

36999,

46001-

46754

Engine cowling  changed  for improved

cooling,  instrument panel  modified,

moving  main  flight control  instruments

from  central to  left side of panel,  in  a

more  direct  line of sight of the  pilot.

C172A   1960 46755  –

47746

The  same  as the  basic  172 with  a  swept

vertical tail,  and  the first float plane

version  was available.  The  0-300

Continental  engine was available as a  C

or D type.

C172B C172  in

standard

version

and

Skyhawk

or

Skyhawk

1961 17247747-

17248734

A deeper fuselage  (shorter

undercarriage),  new windshield,  revised

cowling  and  pointed  propeller spinner as

well  as external  baggage door and

another new  instrument panel  was

introduced  with the  artificial  horizon

centrally  located.  Usable fuel  39USG.

C172C II  for

luxury

version.

1962 17248735-

17249544

Maximum  weight increased  to  2250lbs,

optional  key starter on  deluxe version

(replaces standard  pull  starter),  auxiliary

child  seat available.  Usable fuel  36  USG.

C172D   1963 17249545-

17250572

Cut-down  rear fuselage and “Omnivision”

rear windows replaced  the original

‘straight-back’  look,  landplane weight

increased  to  2300lbs,  and  new full  rudder

and  brake  pedals fitted.

 

Model Name Year Serial

Numbers

Significant Changes and  Features
F172D Reims or

French

172

1963 F1720001-

F1720018

Made  by  Reims  in  France,  some

differences  in  manufacturing.  Continental

0-300-D  engine  manufactured  by  Rolls

Royce.

C172E   1964 17250573-

17251822

Electrical  fuses were  replaced  by  circuit

breakers.

F172E Reims or

French

172

1964 F1720019-

F1720085

Made  by  Reims  in  France,  some

differences  in  manufacturing.

C172F   1965 17251823-

17253392

Electric flaps were  introduced,  with  a

three  position toggle switch. This  model,

along  with the C172H  was also  produced

by the  USAF as a T41-A.

F172F Reims     or

French

172

  F172-0086-

F172-0179

Made  by  Reims  in  France,  some

differences  in  manufacturing.

C172G   1966 17253393-

17254892

Minor modifications to  propeller shaft and

spinner.

F172G Reims     or

French

172

1966 F1720180-

F1720319

Made  by  Reims  in  France,  some

differences  in  manufacturing.

C172H   1967 17254893-

17256512

Nose strut shortened  for reduced  drag

and  appearance.  A modified  engine

cowling  and  mountings reduced  noise  in

the cockpit and  cowl  cracking.  The

generator is  replaced  with  an  alternator

for electrical  power supply.

This   model   was   also   produced   by   the

USAF as a T41-A.

F172H Reims

French

172

1967 F1720320-

F1720446

Made  by  Reims  in  France,  some

differences  in  manufacturing.

F172H Reims     or

French

172

1968 F17200655-

F17200754

Made  by  Reims  in  France,  some

differences  in  manufacturing.

Note:  The type  certifier “F172″ designates a  Reims C172, that is  if the type

indicator has  F in the front,  it was  built in  Reims factory  in  France.  Reims  built

C172s,  between  1963  and  1976.  They are  reported  by Cessna  maintenance

manuals, for maintenance  purposes as  being  nearly  identical to the  C172  produced

in  Wichita  except for the engines on  some  models.

 

Model Name Year Serial

Numbers

Significant Changes and  Features
C172I   1968 17256513-

17257161

Engine changed  to  150hp  Lycoming  0-

320  E2D  (“Blue Streak”)  with  higher

2000  hour overhaul time,  38USG  usable

fuel.

C172K   1969 17257162-

17258486

Rear side windows enlarged,  redesigned

fin,  optional  52USG tanks.  Split bus bar

now on  all  models.

F172K Reims     or

French

172

  F17200755-

F17200804

Made  by  Reims  in  France,  some

differences  in  manufacturing.

C172K   1970 17258487-

17259223

Fiberglass drooping  wing-tip
C172L   1971 17259224-

17259903

Landing  light shifted  from  wing  to  nose.

Flat steel  replaced  by tubular steel

undercarriage.

  1972 17259904-

17260758

 
F172L Reims     or

French

172

1972 F17200805-

F17200904

Continental  Rolls  Royce  engine  changed

to standard  C172  Lycoming  0-320-E2D

engine.

C172M   1973 17260759-

17261898

Drooped  leading  edge wing  introduced

for better low speed  handling.  Seaplane

flap  reduced  to  30  degrees.

F172M Reims     or

French

172

1973 F17200905-

F17201034

 
C172M   1974 17261899-

17263458

Baggage  compartment increased  in  size
      F17201035-

F17201234

 
C172M   1975 17263459-

17265684

 
      F17201235-

F17201384

 
Model Name Year Serial

Numbers

Significant Changes and  Features
C172M   1976 17265685-

17267584

Airspeed  changed  from  miles to  knots,

instrument panel  redesigned  to  include

more  avionics,  engine  and  fuel  gauges

shifted  to the  more  ergonomic  position

on the  left side of the  instrument panel

above the  master switch.

F172M   1976 F17201385

on

This was the  last standard  model  F172

made  by  Reims,  see  also  FR172  under

Type Variants.

C172N   1977 17261445,

17267585-

17269309

160hp  Lycoming  0-320-H2AD  engine*

Flap selector changed to the  safer and

more  ergonomic  ‘preselector’  arm

(replacing  the  3  position toggle switch).

Adjustable  rudder trim  available,  notched

lever.  Usable fuel  40USG,  optional

54USG  long  range fuel tanks  (50USG

useable).

  1978 17261578,

17269310-

17270049

17270051-

17271034

14V electrical  system  changed  to  28V.  Air

conditioning  now available  as an  option.

HIGH  VOLTAGE  warning  light changed  to

LOW VOLTAGE,  with  sensors

incorporated  in  alternator control  unit.

  1979 17271035-

17272884

Limiting  speed  on  first  10  degrees of flap

increased  from  85kts to  llOkts.

  1980 17270050,

17272885-

17274009

 
*This engine was the first engine  (excluding the  210hp  military version)  designed

to  operate  on  100/130  Octane fuel,  previous engines were designed  for 80/87

Octane.  Most aircraft engines  have  now  been  modified  to  operate  on  100/130  or

100  Low  Lead  Aviation  Gasoline  (Avgas  100  and  Avgas  lOOLL)  with  80/87  (Avgas

80)  now  having  only very  limited  availability.

C172P Skyhawk 1981 17274010-

17275034

Lycoming  0-320  engine changed  from

H2AD to  D2J to  address some design

issues.

Flap  reduced  from  40  degrees to  30

degrees.  Landplane weight increased

from  2300 to  2400lbs.  Optional  66USG,

62USG  usable  long  range tanks with  wet

wing  available.

1982 17275035-

17275759

1983 17275760-

17276079

1984 17276080-

17276259

Model Name Year Serial

Numbers

Significant Changes and  Features
    1985 17276260-

17276516

From  1982,  landing  lights shifted  from

cowl  back to wing  with  standard  dual

light fitting.

1986 17276517-

17276654

C172Q Cutlass 1983 17275869-

17276054

Lycoming  0-360  engine,  developing

180hp  at 2700rpm,  maximum  gross

weight 2550lbs.  Although  marketed  as a

Cutlass,  having  the  same engine  is just

about the only the  resemblance this

models shares with the  C172RG.

1984 17276101-

17276211

C172R Skyhawk 1996 17280001

on

160hp  Lycoming  fuel  injected  I0360

engine,  optional  GIOOO  avionics,

maximum  weight increased  to  2450lbs,

optional  2550  maximum  weight  kit,

53USG  usable fuel.

C172S Skyhawk

SP

  172S8001

on

Engine  power increased  to  180hp with

maximum  rpm  increasing  from  2400 to

2700  rpm,  maximum  weight 2550lbs.

At the time of publication,  only the  C172S  is still  in  production.

Type Variants

The following aircraft, although marketed as Cessna 172s, are all certified under the FAAType Data Certificate of the Cessna 175. All contain significant differences in power available, and airframe.

   
Model Name Year Serial

Numbers

Significant Changes
P172D
P172D Powerma

tic

1963 P17257120-

P17257188

175hp  Continental  GO-300-E  Powermatic

geared  engine  and  revised  cowling  with

dorsal  gearbox fairing. This  model  was

essentially a  C175  Sklark,  renamed  in  a

failed  attempt to fix   poor sales

performance  of the C175.

FP172D French  or

Reims

Powerma

tic

1963 FP1720001

FP1720003

Reims version  of P172D,  made  in

France  ,  some differences  in

manufacturing.

Note  –  many Cessna  types  have  adopted  the  prefix of ‘P’  for a  pressurised  aircraft,

this  model  demonstrates one of the  common  exceptions.

Model Name Year Serial

Numbers

Significant Changes
US Air  Force  Models
R172E USAF

T41B,C,D

1964 R1720001-

R1720335

Fitted  with  Continental  I0360  engine,

producing  210hp  at 2800rpm,  maximum

weight 2500lbs,

Certified  on  C175 type certification  sheet.

R172F USAF

T41B,C,D

  R1720336-

R1720409

 
R172G USAF

T41B,C,D

  R1720336-

R1720409

2550  maximum  weight
R172H USAF

T41B,C,D

1971 R1720445-

R1720494

 
    1972 R1720495-

R1720546

 
    1973 R1720547-

R1720620

 
Retractable  Gear  Model
C172RG Cutlass

RG

1980 172RG0001

172RG0570

Retractable  undercarriage,  Lycoming  0-

360  engine developing  180hp,  with three

blade constant speed  propeller,  gross

weight 2650lbs. Total  usable fuel  62USG.

Mainly  popular with  flight schools as a

complex trainer.

Certified  on  C175 type  certification  sheet.

1981 172RG0571

172RG0890

1982 172RG0891

172RG1099

1983 172RG1100

172RG1144

1984 172RG1145

172RG1177

1985 172RG1178

172RG1191

R172K  –  Hawk XP  Models
R172K Hawk XP 1977 R1722000-

R172272

1977  had  14V electrical  system,

otherwise  similar to  other Hawk XP’s

described  below.

1978 R1722725

R1722929

Called  the  Hawk XP with  a  Continental

IO-360K fuel  injected  engine  and

constant speed  propeller,  de-rated  to

195hp  at 2600rpm.  Maximum  weight

1979 R1720680,R

1722930

R1723199

Model Name Year Serial

Numbers

Significant Changes
    1980 R1723200

R1723399

(except

R1723398)

increased  to  2550lbs.  Also certified  as

C175.

1978  models on  had  28V electrical

system.

Certified  on  C175 type certification  sheet.

1981 R1723400

R1723454

Flap  reduced  from  40 to  30  degrees  as

with  other models of C172.

FR172K Reims

Hawk XP

1977 FR1720591

FR1720620

The  Hawk XP  model  made  by  Reims  in

France,  some differences  in

manufacturing.

1978 FR1720621

FR1720630

1979 FR1720631

FR1720655

1980 FR1720656

FR1720665

1981 FR1720666

FR1720675

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