Keystone-Loening Commuter

K-84 Commuter

Role  | Flying boat
National origin | United States
Manufacturer  | Keystone-Loening
First flight  | 1929

The Keystone-Loening K-84 Commuter was a single-engine closed cabin 4 place biplane amphibious flying boat built by Keystone-Loening. It was powered by a 300 hp Wright Whirlwind engine mounted between the wings with the propeller just ahead of the windscreen. It was first produced in 1929.

This airplane was featured as a model/bank by Texaco, #8 in a series "Wings of Texaco" of historic aircraft used by the company.

## Contents

* 1 Surviving aircraft
* 2 Specifications
* 3 References
* 4 Bibliography
* 5 External links

## Surviving aircraft

* 305 "Kruzof" – K-84 on display at the Golden Wings Flying Museum in Minneapolis, Minnesota.[1]
* 313 "The Old Patches" – K-84 on display at the Alaska Aviation Museum, in Anchorage, Alaska.[2]

## Specifications

Data from American airplanes: Keystone[3]

General characteristics

* Crew: 1
* Capacity: 3 passengers / 1,223 lb (555 kg)
* Length: 32 ft 5 in (9.88 m)
* Wingspan: 36 ft (11 m) (some sources 40 ft (12 m))
* Powerplant: 1 × Wright J-6-7 7-cyl. air-cooled radial piston engine, 300 hp (220 kW) -330 hp (250 kW)

Performance

* Maximum speed: 115 mph (185 km/h, 100 kn)
* Cruise speed: 90 mph (140 km/h, 78 kn)
* Stall speed: 50 mph (80 km/h, 43 kn)
* Range: 510 mi (810 km, 440 nmi)
* Service ceiling: 12,000 ft (3,700 m)

## References

1. ↑ "Keystone-Loening K-84 "Commuter"". Golden Wings Flying Museum. http://www.goldenwingsmuseum.com/collection/AC-Pages/Loening.htm. Retrieved 3 June 2018.
2. ↑ "1929 N374V KEYSTONE/LOENING Model K-84 COMMUTER S/N 313". Archived from the original on 19 August 2013. https://web.archive.org/web/20130819030339/http://alaskaairmuseum.org/flightline/single_plane.php?n374v. Retrieved 3 June 2018.
3. ↑ Eckland, K.O. (2008-08-15). "American airplanes: Keystone". Aerofiles.com. http://aerofiles.com/_keys.html. Retrieved 2011-02-12.

## Bibliography

* Elliot, Bryn (March–April 1997). "Bears in the Air: The US Air Police Perspective". Air Enthusiast (68): 46–51. ISSN 0143-5450.

## External links

* Photo of Keystone-Loening K-84
* "With The Sky Police", January 1932, Popular Mechanics article about the New York City Police Air Force and the Keystone-Loening Commuter in service at that time, photos page 26, 29 and 30.
* Keystone-Loening "Commuter", K-84 – U.S. Civil Aircraft

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