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Cessna · 1971–1972

Cessna 172L Skyhawk (1971-1972)

TrainerIFR PlatformAffordabletime_buildertubular_gear

Specifications

Performance

Cruise

121KTAS

Range

440nm

Climb

645fpm

Ceiling

13,100ft

Fuel Burn

8gph

Fuel Cap.

42gal

MPG

17.4mpg

Stall (Vs0)

40KIAS

T/O roll

890ft

Ldg roll

520ft

Size & weight

Seats

4

Useful Load

895lbs

Full-fuel payload

643lbs

Max gross

2,300lbs

Wingspan

36.1ft

Length

27.2ft

Engine

Engine

Lycoming O-320-E2D

Power

150hp

TBO

2,000hrs

Overhaul

$42k

Owning it

Hull insurance

$1k/yr

Parts

excellent

Mechanics

universal

Gear

Fixed

IFR

Yes

Category

certified

Full specification

V-speeds

Vne158 KIAS
Vno127 KIAS
Va99 KIAS
Vs148 KIAS
Vx60 KIAS
Vy76 KIAS
Best glide65 KIAS

Airframe

Empty weight
1,405 lbs
Max fuel weight
252 lbs
Height
8.9 ft
Wing position
high

Obstacle performance

Takeoff over 50 ft
1,625 ft
Landing over 50 ft
1,280 ft

Paperwork

Type certificate
3A12
Certification basis
Part 23

These figures are typical for the model, not a specification for any individual aircraft. Real-world numbers vary with year, installed equipment, weight, modifications and engine condition — often by more than you would expect. Use them to compare types, and confirm anything you would act on against the Pilot's Operating Handbook for that specific airframe and a prebuy inspection.

Pricing

Typical

$60k

Range

$42k – $85k

Annual all-in

~$22k/yr

All-in at ~100 flying hours a year, using the midpoint of each range — the same figures broken out under “Cost to own” below. Your number will differ, and mostly for two reasons. Experience sets your insurance: a 2,000-hour pilot with recent training pays 30–40% less than a 200-hour owner, and student owners pay 20–40% more — on the same aircraft that is often a doubling. Location sets your hangar: a T-hangar runs $200–400 a month in the Midwest against $400–1,500 in a coastal metro, and an outside tie-down is less again. Engine reserves move too — a local shop reusing your serviceable cylinders can come in 30–50% under the national specialty-shop pricing we quote, though you trade the warranty and turnaround that comes with it. Reserves are money set aside toward a future overhaul, not a bill this year, and the annual inspection figure is the shop’s labor to look — whatever they find is separate.

Cost to own — estimate

Set your yearly hours and local fuel price. Fixed costs (insurance, hangar, annual inspection) don't change with hours; fuel, maintenance and the engine reserve do.

100
20300
$6.50
$3$10
Fuel (8 gph)
$5,200
Engine reserve
$2,100
Maintenance, parts & wear items ($12/hr)
$1,200
Insurance
$900–$1,800
Hangar
$5,892–$14,729
Annual inspection (labor only)
$1,200
Databases & subscriptions
$400
Total per year
$21,760
Per flight hour
$218
Miles flown / year (at cruise)
13,924 mi
Cost per mile
$1.56/mi
300 nm
100 nm1,000 nm
Time in the air
2 hr 29 min
Fuel burned
20 gal
Out of pocket
$211

Fuel, engine reserve and wear only. Insurance, hangar and the annual are already paid whether you make the trip or not, so they are not charged here.

Estimate, not a quote. Where a line shows a range, the total, per-hour and per-mile figures use its midpoint— insurance moves most with your experience and time in type, hangar with where you base the aircraft, so your own number could sit at either end. Annual inspection is the shop's labor to open and inspect — what they find is the maintenance line, which covers oil changes, plugs, tires, brakes, hoses, lights, a battery and vacuum pump amortised over their life, and the unscheduled squawks that are the largest and least predictable part of it. Reserves are sinking funds toward an overhaul, not a bill you pay this year — and note that a propeller is due on hours or calendar time, typically six years, so flying less does not put it off forever.

Comparing model years?

See how every Cessna 172 / Skyhawkyear stacks up — engines, changes, and which to buy — in our year-by-year buyer's guide.

Guide →
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Strengths

  • First year of tubular gear — significantly more stable ground handling than earlier 172s
  • Wider 12-inch gear track reduces landing oscillation and improves crosswind performance
  • Better landing energy absorption and crash protection vs. flat-spring gear
  • Proven Lycoming O-320-E2D engine, 121 KTAS cruise, simple and reliable

Weaknesses

  • Tubular gear legs require straightness inspection — buckling from hard landings is expensive
  • Original 1971–1972 fiberglass gear fairings commonly crack or crack-prone
  • First-year production model — verify all service bulletins addressed
  • Slightly reduced useful load (~895 lbs) due to heavier gear and fairings vs. 172K

Overview

The 1971-1972 Cessna 172L's defining change is the switch from flat-spring steel main gear to tubular steel main gear, accompanied by a 12-inch wider main gear track. This is one of the most consequential ergonomic changes in 172 history -- the new gear is more stable on the ground (less prone to gear leg flex during taxi), absorbs landing loads better, and has lower drag. The wider track also reduced the tendency for landing-gear oscillation ("wallowing") on rough surfaces. Roughly 2,200 172L examples were produced across 1971 and 1972.

The 172L's tubular gear became standard on every 172 from 1971 forward and is universally retrofittable to earlier 172s via STC. Fairings were also added to the gear legs to recover the aerodynamic drag of the new larger-diameter tubes.

Tubular vs Flat-Spring Gear

The shift to tubular main gear introduced several practical improvements:

FactorFlat Spring (pre-1971)Tubular (1971 onward)
Track widthOriginal+12" wider
Ground handlingMore flex, "wobbly"Stiffer, more stable
Landing energy absorptionSpring deflectionTube compression
Drag (with fairings)Lower (no fairings needed)Slightly higher (requires fairings)
MaintenanceSpring crack inspectionTube straightness inspection
Crash energy absorptionMarginalImproved
CosmeticPeriod-correct vintage lookModern look

For pilots, the tubular gear feels noticeably more "planted" on the ground -- a particularly welcome change in crosswind landings. The wider track also improves taxi stability on uneven surfaces (gravel, grass).

Variants & History

Feature172K (1969-1970)172L (1971-1972)172M (1973-1976)
Main gearFlat spring steelTubular steel (new)Tubular steel
Gear trackOriginal width+12" wider (new)+12" wider
Gear leg fairingsNoneRequired (new)Standard
WingOriginalOriginalCamber-Lift drooped leading edge (new)
Baggage doorOptionalOptionalStandard (new)
EngineLycoming O-320-E2DLycoming O-320-E2DLycoming O-320-E2D

Performance

121 KTAS cruise, 645 FPM climb, 8.0 GPH. Performance virtually identical to 172K. Empty weight increases ~10 lbs vs 172K due to the heavier tubular gear and required fairings, reducing useful load to ~895 lbs. The drag of the larger gear tubes is offset by the new fairings, keeping cruise speed unchanged.

Cessna 172M Skyhawk (1973-1976)
For saleListing

1975 Cessna 172M Skyhawk (1973-1976)

Good plane

$100,0005,000 hrs TT · nevada, MOView listing →

Maintenance & Support

Identical to 172I/K. See Cessna 172I Skyhawk (1968) for engine details.

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Valuation Factors

ConditionPrice Range
Project / needs engine$30,000-$42,000
Flying but tired$42,000-$60,000
Well-maintained$54,000-$74,000
Restored / upgraded$72,000-$92,000

The 172L typically prices $2,000-$5,000 above a 172K in equivalent condition due to the tubular gear and (for buyers who care) wider track. 172L pricing is essentially identical to 172M except in restored condition where the 172M's Camber-Lift wing commands a slight additional premium.

Financing partnerExample placement
Cessna 172S
For saleListing

2006 Cessna 172S

G1000 Skyhawk · Mid-Time Engine · Clean Logs

$259,9003,450 hrs TT · Wichita, KSView listing →

ADs & Common Problems

Universal Cessna 172 pre-buy concerns apply. 172L-specific:

  1. Tubular gear inspection: Verify straightness of both main gear legs. Tube buckling from hard landings or curb strikes is a costly repair (~$3,000-$5,000 per leg). Look for paint cracking near attach points.
  2. Gear leg fairing condition: Original 1971-1972 fiberglass fairings often have cracks or damage. Replacements available ($150-$300 per pair).
  3. First-year tubular gear: The 1971 model year is the first year of the tubular gear; verify any service bulletins addressing initial-production issues have been complied with.
  4. Wheel pant fit: The wider track required revised wheel pants. If the airplane has aftermarket pants, verify proper fit and structural integrity.

For sale (1)

1975 Cessna 172
$100,000
Year: 1975
TT: 5,000 hrs
nevada, MO
View details →

What buyers usually weigh against the Cessna 172L Skyhawk (1971-1972) — aircraft flown for the same kind of mission.