1947 North American Aviation Navion L-17

Plane & Pilot

Saturday, October 01, 2005 at 12:00 AM

Verified

Edited By:

Omar Filipović

Key Takeaways:

The article provides detailed specifications for a 1947 North American Aviation Navion L-17 (an A model with an upgraded engine), powered by a 300 hp Continental IO-550B engine.
This four-seat aircraft has a maximum gross weight of 3150 lbs, a useful load of 1300 lbs, and a standard usable fuel capacity of 80 gallons.
Key performance figures include a maximum range of 940 nautical miles, cruise speeds up to 165 knots, a best rate of climb of 2000 fpm, and a service ceiling of 21,000 feet.
The aircraft demonstrates impressive short-field capabilities with a takeoff ground roll of 600 ft and a landing ground roll of 400 ft.

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1947 North American Aviation Navion L-17

Engine make/model:

Continental IO-550B

Horsepower@rpm@takeoff:

300@2700@SL

Horsepower for takeoff:

300

TBO hrs.:

2000

Fuel type:

100LL

Propeller type/diameter:

D3A32C403C/82NDB-2, 82 in.

Landing gear type:

Tri./Retr.

Max ramp weight (lbs.):

3150

Gross weight (lbs.):

3150

Landing weight (lbs.):

3150

Empty weight, std. (lbs.):

1950

Empty weight , as tested (lbs.):

1950

Useful load (lbs.):

1300

Payload, full std. fuel (lbs.):

820

Usable fuel, std. (gals.):

Oil capacity (qts.):

Wingspan:

33 ft. 5 in.

Overall length:

27 ft. 8 in.

Height:

8 ft. 8 in.

Wing area (sq. ft.):

184

Wing loading (lbs./sq. ft.):

17.1

Power loading (lbs./hp.):

10.5

Wheel size (in.):

6.00 x 6

Seating capacity:

Cabin width (in.):

Cabin height (in.):

Baggage capacity (lbs.):

190

PERFORMANCE

Cruise speed (kts.):

75% power @ 24,000 ft.:

165

65% power @ 6,500 ft.:

162

55% power @ 16,000 ft.:

144

Max range (w/ reserve) (nm):

940

Fuel consumption (gph):

75% power @ 9,500 ft.:

12.5

Estimated endurance (65%) (hrs):

4.5*

Vs (kts.):

Vs_o (kts.):

Best rate of climb (fpm):

2000

Best rate of climb, 8,000 ft. (fpm):

1000

Service ceiling (ft.):

21,000

Takeoff ground roll (ft.):

600

Takeoff over 50-ft. obstacle (ft.):

1000

Landing ground roll (ft.):

400

Landing over 50-ft. obstacle (ft.):

1000

* estimated

Numbers are based on a Navion A model with an upgraded engine

Sources: Aircraft Bluebook Price Digest and Pilot’s Operating Handbook