Martin Aircraft Specifications ©1998 The Glenn L. Martin Aviation Museum
Airliners
Customer Model Type Martin Model No. Martin Serial No. Customer Serial No. Type/Customer Delivery Date Contract Number First Flight Total Built Engine(s) Notes
2-O-2 202 9122-9124 NX-93001- Passenger transport/ N/A N/A 11/46 3 Two P&W 9122 and 23 produced for CAA
NX-93002 Martin Company R-2800's certification, started 5/12/47.
9124 was destroyed during static testing. Second ship used as
aerodynamic prototype for 4-O-
4, nicknamed 2-O-4 or 2-X-4.
2-O-2 202FL 9125-9127, 9129 N/A Passenger transport/ LAN (Chile) 1947 N/A N/A 4 Two P&W R-2800's
2-O-2 202NW 9128 NC-93048 (NC-93003) Passenger transport/ Northwest Airlines N/A N/A N/A 1 Two P&W R-2800's Briefly serialed NC-93003, later NC-93048; delivered as NWA-1.
2-O-2 202LAV 9130-9131 N/A Passenger transport/ LAV (Venezuela) 1947 N/A N/A 2 Two P&W R-2800's
2-O-2 202NW 9132 9133 NC-93049 NC-93047 Passenger transport/ Northwest Airlines N/A N/A N/A 5 Two P&W R-2800's Delivered as NWA-2 to NWA-6.
9134 NC-93050
9135 NC-93057
9136 NC-93051
2-O-2 202A 9137-9141 NC-93201-NC-93205 Passenger transport/ TWA N/A N/A N/A 5 Two P&W R-2800's Originally to be surplused, later sold as TWA-1 to TWA-5.
2-O-2 202NW 9142-9146, NC-93052-NC-93056, Passenger transport/ Northwest Airlines N/A N/A N/A 9 Two P&W R-2800's Delivered as NWA-7 to NWA-15.
9147-9150 NC-93058-
NC-93061
2-O-2 202A 9151-9157 N/A Passenger transport/ TWA N/A N/A N/A 7 Two P&W R-2800's Originally to be surplused, later sold as TWA-6 to TWA-12.
2-O-2 202NW 9158-9167 NC-93037-NC-93046 Passenger transport/ Northwest Airlines N/A N/A N/A 10 Two P&W R-2800's Delivered as NWA-16 to NWA25.
2-O-2 202E [9168-9192] [N/A] Passenger transport/ Eastern Airlines - N/A - [contract for 25] Two P&W R-2800's First plane, EAL-1 (9168) started but never finished.
2-O-2 202A 1407114082 N-93201 -N-93212 Passenger transport/ TWA N/A N/A N/A 9 Two P&W R-2800's
3-O-3 303 9222 [9223-9256] N/A [N/A] Passenger transport/ United Airlines N/A - N/A - 7/3/47 - 1 [34] Two P&W R-2800- Pressurized cabin. Original order for United canceled on
CB16's 9/30/47 after first "prototype"
flew.

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Martin Aircraft Specifications

©1998 The Glenn L. Martin Aviation Museum

4-O-4 404P (9123) (NX-93002) Passenger transport/ Martin Company - - 10/19/50 (1) Two P&W R-2800-CB16's Second 2-O-2 prototype used for alteration. Incorporated a pressurized cabin and turoprops.
4-O-4 404E 14109-14112, 14137-14165, N-440A -N-499A Passenger transport/ Eastern Airlines N/A N/A 9/12/51 60 Two P&W R-2800-
14221-14247 CB16's
4-O-4 404T 14101-14108, N-40401 Passenger transport/ N/A N/A N/A 43 Two P&W
14113-14136, N-40429 TWA R-2800-
14166-14176 CB16's
RM-1G 404C 14290-14291 1282-1283 Staff transport/ US Coast Guard 1951 N/A N/A 2 Two P&W R-2800-34's Acquired by the US Coast Guard to be used in logistics support duties.
RM-1Z 404C (14290-14291) (1282-1283) Staff transport/ US Coast Guard 1952 N/A N/A (2) modified Two P&W R-2800-34's Both RM-1G's went into service equipped with executive interiors and designation RM-1Z.
VC-3A 404C (14290-14291) (1282-1283) Staff transport/ US Coast Guard 1962 N/A N/A (2) modified Two P&W R-2800-34's Still serving in 1962, the RM-1Z's were redesignated VC-3A under a new unified system.
C-3 404C (14290-14291) 158202 Staff transport/ N/A N/A N/A (2) Two P&W Transferred to the Navy and re
158203 US Navy modified R-2800-34's serialed.
(1282-1283)
SPECIFICATIONS: 2-O-2 SPECIFICATIONS: 4-O-4
Description: 40-passenger commercial transport Description: 40-passenger pressurized commercial transport
Engine: Two 2,000 hp Pratt & Whitney R-2800 Double Wasps Engine: Two 2,400 hp Pratt & Whitney R-2800-CB16 Double
Wasps equipped with turbo superchargers
Dimensions: Span: 92 ft 9 in; length: 71 ft 4 in; height: 28 ft 5.38 in; Dimensions: Span: 93 ft 3.38 in; length: 74 ft 7 in; height: 28 ft 5.38
wing area: 860 sq ft in; wing area: 864 sq ft; cargo area: 344 cu ft
Weights: 22,500 lb empty; 36,500 lb loaded; payload: 8,000 to Weights: 29,402 lb empty; 42,750 lb loaded
9,500 lb; useful load: 14,000 lb
Crew: 3 (pilot, copilot/navigator/radio operator, flight steward) Crew: 3 (pilot, copilot/navigator/radio operator, flight steward)
Armament: None Armament: None
Performance: Maximum speed: 280 mph; cruising speed: 250 mph Performance: Maximum speed: 312 mph at 14,500 ft; cruising speed:
280 mph at 18,000 ft; landing speed: 79-81 mph; service
ceiling: 27,300 ft; climb: 12,500 ft/10 min; range: 2,575
miles (empty), 805 miles (passengers and cargo)

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