Boeing-Vertol Model 114/YHC-1B

A derivative of the YHC-1A with more cabin space, meeting the requirement of carrying an entire platoon [Ref Hirschberg. The American Helicopter, pg 50].  Developed in 1959, the YHC-1B Chinook was redesignated CH-47A in 1962; the commercial version designation is Model 234.  The helicopter had won a competition for 'Army medium transport helicopter June 1959'; the cabin capacity is either 32 troops, 24 litters, or 2 to 3 U.S. customary tons of cargo [Ref 312].

Overview

Data on design, manufacture and status

Design authority: The Boeing Company - Vertol Division

Primary manufacturer: The Boeing Company - Vertol Division

Parent type: Boeing-Vertol Model 234/H-47 Chinook

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 2 in Tandem (Fore/aft) configuration

Crew required: 3 in Side-by-side arrangement

Landing gear: Wheels (non-retractable)

Key Characteristics

Data on key physical features

Aircraft Details

Data on aircraft configuration, weights, flight performance and equipment

References

References and sources used

Helicopters & Autogyros of the World
Paul Lambermont, Anthony Pirie
Cassell & Company Ltd., 1959 (page 403)
Book

Helicopters from "A to Z" | Part I
Ralph P. Alex
AHS Newsletter, 1961, October, 1961 (page 15)
Periodical

Jane's Helicopter Markets and Systems
Jane's Information Group Limited
2003 (page 90)
Book

Related VFS Resources

Resources related to the Model 114/YHC-1B , provided by the Vertical Flight Society.
Forum Proceedings
 
Vertiflite articles
Enter a search term in the box above.
Web files from vtol.org
Enter a search term in the box above.
Webpages from vtol.org
Enter a search term in the box above.
Images from the VFS Gallery
Enter a search term in the box above.

Related Public Resources

Resources related to the Model 114/YHC-1B , provided by public sources across the internet.

Images