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P-61 Black Widow

A cache by & CH33Z8URGR Send Message to Owner Message this owner
Hidden : 8/5/2011
1.5 out of 5
1.5 out of 5

Size: Size: small (small)

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Geocache Description:

Military aircraft series.

This should be a nice easy park and grab. I am making this a small as it is one of my favorite fighter aircraft of WWII.

Northrop P-61 Black Widow

The Northrop P-61 Black Widow was the first operational U.S. military aircraft designed specifically for night interception of aircraft, and was the first aircraft specifically designed to use radar. It was an all-metal, twin-engine, twin-boom design developed during World War II. The first test flight was made on 26 May 1942, with the first production aircraft rolling off the assembly line in October 1943. The last aircraft was retired from government service in 1954.

Although not produced in the large numbers of its contemporaries, the Black Widow was effectively operated as a night-fighter by United States Army Air Forces squadrons in the European Theater, the Pacific Theater, the China Burma India Theater and the Mediterranean Theater during World War II. It replaced earlier British-designed night-fighter aircraft that had been updated to incorporate radar when it became available. After the war, the F-61 served in the United States Air Force as a long-range, all weather, day/night interceptor for Air Defense Command until 1948, and Far East Air Force until 1950.

On the night of 14 August 1945, a P-61B of the 548th Night Fight Squadron named "Lady in the Dark" was unofficially credited with the last Allied air victory before VJ Day. The P-61 was also modified to create the F-15 Reporter photo-reconnaissance aircraft for the United States Air Force.

General characteristics

Crew: 2–3 (pilot, radar operator, optional gunner)
Length: 49 ft 7 in (15.11 m)
Wingspan: 66 ft 0 in (20.12 m)
Height: 14 ft 8 in (4.47 m)
Wing area: 662.36 ft² (61.53 m²)
Empty weight: 23,450 lb (10,637 kg)
Loaded weight: 29,700 lb (13,471 kg)
Max takeoff weight: 36,200 lb (16,420 kg)
Powerplant: 2 × Pratt & Whitney R-2800-65W Double Wasp radial engines, 2,250 hp (1,680 kW) each
Propellers: four-bladed Curtis Electric propeller, 1 per engine
Propeller diameter: 146 in (3.72 m)
Fuel capacity:
Internal: 640 gal (2,423 L) of AN-F-48 100/130-octane rating gasoline
External: Up to four 165 gal (625 L) or 310 gal (1,173 L) tanks under the wings

Maximum speed: 366 mph (318 kn, 589 km/h) at 20,000 ft (6,095 m)
Combat range: 610 mi (520 nmi, 982 km)
Ferry range: 1,900 mo (1,650 mi, 3,060 km) with four external fuel tanks
Service ceiling: 33,100 ft (10,600 m)
Rate of climb: 2,540 ft/min (12.9 m/s)
Wing loading: 45 lb/ft² (219 kg/m²)
Power/mass: 0.15 hp/lb (25 W/kg)
Time to altitude: 12 min to 20,000 ft (6,100 m) (1,667 fpm)


4 × 20 mm (.79 in) Hispano M2 cannon in ventral fuselage, 200 rpg
4 × .50 in (12.7 mm) M2 Browning machine guns in remotely operated, full-traverse upper turret, 560 rpg
Bombs: for ground attack, four bombs of up to 1,600 lb (726 kg) each or six 5 in (127 mm) HVAR unguided rockets could be carried under the wings. Some aircraft could also carry one 1,000 lb (454 kg) bomb under the fuselage.

SCR-720 (AI Mk.X) search radar
SCR-695 tail warning radar

Have fun!

Congrats to kwbforest on being the FTF!

Additional Hints (Decrypt)

Fghzcrq ntnva.

Decryption Key


(letter above equals below, and vice versa)



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Coordinates are in the WGS84 datum

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