Helicopter Bell VH-1N Serial 31641 Register 158556 used by US Marine Corps USMC. Aircraft history and location Aircraft History 158556 US Marine Corps 1999-05-02 A KNFL Base Flight 2 May 1999 HH-1N at NAS Fallon Air Show 1999 as Base Flight / 7H 2001-07-08 A KNFL Bell HH-1N USMC VH-1N green top conv to HH-1N w/o 08 NAS Fallon Send Updates Use APP to upload photo @ (optional) When Now? / / Send