Aviation Crash Map

Mitsubishi MU-2K N7DD

24 June 1985 · San Juan · No injuries

Summary

On 24 June 1985 at about 21:39 local time, a Mitsubishi MU-2K registered N7DD, operated by Executive Airline & Charter, was involved in an incident near San Juan. 3 people were on board and nobody was injured. The aircraft was slightly damaged. No probable cause statement is available for this record.

The record

Date
at 21:39
Classification
Incident
Location
San Juan
Nearest airport
Puerto Rico International (SJU)
Coordinates
Not recorded
Aircraft
Mitsubishi MU-2K
Registration
N7DD
Category
Airplane
Engines
2
Operator
Executive Airline & Charter
Operating rule
Part 135: Air Taxi & Commuter
Purpose of flight
Unknown
Phase of flight
Not recorded
Route
St.thomas → Unknown
Aircraft damage
Minor
Weather
VMC
Light
Day
NTSB number
MIA85IA203

People

Nobody was injured.

On board Died Serious Minor Uninjured
3 0 0 0 3

Probable cause

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

AFTER DEPARTURE THE NOSE GEAR UNSAFE LIGHT REMAINED ILLUMINATED PETER GEAR RETRACTION. ATTEMPTS TO GET A SAFE LIGHT ON THE NOSE GEAR IN THE EXTENDED POSITION WAS UNSUCCESSFUL AND WHEN THE AIRCRAFT LANDED IT SETTLED ONTO A PARTIALLY RETRACTED NOSE GEAR. INSPECTION OF THE AIRCRAFT REVEALED THAT THE NOSE GEAR STRUT HAD NOT FULLY EXTENDED AND THAT WHEN THE GEAR WAS RETRACTED THE NOSE GEAR TIRES CAUGHT THE NOSE GEAR DOORS PREVENTING THEM FROM OPENING. THE GEAR RETRACTED AGAINST THE GEAR DOORS CAUSING FAILURE OFTHE RETRACT JACKSCREW. A MICROSWITCH WHICH CUTS THE GEAR MOTOR OFF WHEN THIS CONDITION OCCURRS WAS FOUND OUT OF ADJUSTMENT AND DID NOT OPERATE. ADDITIONALLY IT WAS FOUND THAT THE MECHANICS WHO DID THE LAST GEAR RETRACT TEST ON THE AIRCRAFT USED A MAINTENANCE MANUAL FOR AN EARLIER MODEL AIRCRAFT WHICH DID NOT HAVE THIS SAFETY SWITCH THUS FAILING TO CHECK IT FOR ADJUSTMENT. NO REASON AS TO WHY THE NOSE GEAR STRUT DID NOT FULLY EXTEND WAS FOUND.

Quoted verbatim from the NTSB record.

Other Mitsubishi MU-2K accidents

Date Aircraft Location Operator Outcome Died
28 Feb 1977 Mitsubishi MU-2K
N282MA
Palm Beach, Florida, United States
no coordinates
- No injuries -
16 Oct 1976 Mitsubishi MU-2K
N500BJ
Charlotte, North Carolina, United States
no coordinates
E and M Coal No injuries -
30 Sep 1975 Mitsubishi MU-2K
XBLIJ
Beloit, Kansas, United States
no coordinates
Orion SA Mexic Fatal 1
13 Nov 1975 Mitsubishi MU-2K
N69QJ
Jefferson City, Tennessee, United States
no coordinates
Quinton Jones Fatal 5
14 Jan 1974 Mitsubishi MU-2K
N222HH
Covington, Georgia, United States
no coordinates
Hoover Inc & H No injuries -

All 6 records for this type