Hughes TH-55A N1040S

Summary

On 25 February 1983 at about 21:38 local time, a Hughes TH-55A registered N1040S was involved in an accident near Council Bluffs, Iowa, United States. 2 people were on board and one had minor injuries. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

25 February 1983 at 21:38

Classification

Accident

Location

Council Bluffs, Iowa, United States

Nearest airport

Council Bluffs Municipal (CBF)

Coordinates

41.2402, -95.8504

Aircraft

Hughes TH-55A

Registration

N1040S

Category

Helicopter

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Instructional

Phase of flight

Not recorded

Aircraft damage

Substantial

Weather

Unk

Light

Day

NTSB number

MKC83FA073

1 person had minor injuries.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

THE STUDENT, WHO WAS A RATED HELICOPTER PLT, AND A HELICOPTER INSTRUCTOR (CFI) WERE ON A DUAL INSTRUCTIONAL FLT. AFTER TAKEOFF, THE AIRCREW REMAINED IN A RIGHT TRAFFIC PATTERN FOR RWY 13 , INTENDING FOR THE STUDENT TO MAKE A 180 DEG AUTOROTATION TO A PARALLEL TAXIWAY. THE STUDENT OVERSHOT THE AUTOROTATIVE TURN & THE CFI INSTRUCTED HIM TO CONTINUE THE APCH TO A GRASS AREA BETWEEN THE TAXIWAY & RWY. THE CFI REPORTED THAT THE TOUCHDOWN WAS SMOOTH WITH ZERO AIRSPEED. HOWEVER, THE HELICOPTER BEGAN VIBRATING & TURNED TO THE LEFT. REPORTEDLY, THE MAIN ROTOR BLADES HAD SEVERED THE TAIL BOOM.

Quoted verbatim from the NTSB record.