37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Attributes | |
ACN | 267894 |
Time | |
Date | 199404 |
Day | Thu |
Local Time Of Day | 0601 To 1200 |
Place | |
Locale Reference | airport : eyw airport : ape |
State Reference | FL |
Altitude | agl bound lower : 0 agl bound upper : 0 |
Environment | |
Flight Conditions | VMC |
Aircraft 1 | |
Operator | common carrier : air carrier |
Make Model Name | SA-227 AC Metro III |
Operating Under FAR Part | Part 135 |
Flight Phase | climbout : takeoff ground : preflight |
Flight Plan | IFR |
Person 1 | |
Affiliation | company : air carrier |
Function | flight crew : captain oversight : pic |
Qualification | pilot : atp |
Experience | flight time last 90 days : 90 flight time total : 5000 flight time type : 3200 |
ASRS Report | 267894 |
Person 2 | |
Affiliation | company : air carrier |
Function | flight crew : first officer |
Qualification | pilot : commercial pilot : instrument |
Events | |
Anomaly | aircraft equipment problem : critical non adherence : far non adherence : published procedure other anomaly other |
Independent Detector | other flight crewa |
Resolutory Action | none taken : unable |
Consequence | Other |
Supplementary | |
Primary Problem | Aircraft |
Air Traffic Incident | other |
Situations | |
Airport | other physical facility |
Narrative:
I have brought up the following concerns to our management: our runway analysis data for the metropolitan at eyw and apf does not provide for obstacle clearance. Management has done nothing about it. They have not acknowledged my memo. It is the opinion of many people that the SA227 is an sfar 41 aircraft, so it does not require obstacle clearance except as required by ours operations specifications for low visibility takeoff (less than 1200 RVR). At most airports, climb performance is limiting. At eyw and apf, the runway analysis charts in the aircraft show we can takeoff at 14500 pounds at 35 degrees C. This is based on 2 engine climb to 50 ft, accelerated/stop and braking distance. At 35 degrees C the single engine climb to 35 ft indicates about 7200 ft of runway is required. (Apr has 5000 ft, eyw has 4800 ft.) our pilots are trained to abort before V1 or to continue after V1 (if there is a problem). Above 15-20 degrees C, a 14500 pound aircraft would not have enough runway to accelerate and climb out. Our customers buy air carrier X tickets. I don't think they realize the substandard level of safety on a commuter flight versus a transport category aircraft. My company could restrict takeoff weight or use alcohol water, but refuses to. I believe the management of flight operations (who get a bonus for performance) have chosen to not address the issue. I understand a memo was written by someone in the training department to respond to my memo. I never got the memo, apparently it was squashed by management. I guess a written response would prevent a defense of 'plausible deniability' by management.
Original NASA ASRS Text
Title: COMMUTER PIC COMPLAINS OF ACFT PERFORMANCE WITH REGARDS TO RWY LENGTH REQUIRED UNDER FARS FOR TRANSPORT ACFT VERSUS PROVISIONALLY CERTIFIED CIVIL ACFT OPERATING LIMITATIONS UNDER SFAR 41. OBSTRUCTION STANDARDS CLRNC ALSO A MATTER OF CONCERN.
Narrative: I HAVE BROUGHT UP THE FOLLOWING CONCERNS TO OUR MGMNT: OUR RWY ANALYSIS DATA FOR THE METRO AT EYW AND APF DOES NOT PROVIDE FOR OBSTACLE CLRNC. MGMNT HAS DONE NOTHING ABOUT IT. THEY HAVE NOT ACKNOWLEDGED MY MEMO. IT IS THE OPINION OF MANY PEOPLE THAT THE SA227 IS AN SFAR 41 ACFT, SO IT DOES NOT REQUIRE OBSTACLE CLRNC EXCEPT AS REQUIRED BY OURS OPS SPECS FOR LOW VISIBILITY TKOF (LESS THAN 1200 RVR). AT MOST ARPTS, CLB PERFORMANCE IS LIMITING. AT EYW AND APF, THE RWY ANALYSIS CHARTS IN THE ACFT SHOW WE CAN TKOF AT 14500 LBS AT 35 DEGS C. THIS IS BASED ON 2 ENG CLB TO 50 FT, ACCELERATED/STOP AND BRAKING DISTANCE. AT 35 DEGS C THE SINGLE ENG CLB TO 35 FT INDICATES ABOUT 7200 FT OF RWY IS REQUIRED. (APR HAS 5000 FT, EYW HAS 4800 FT.) OUR PLTS ARE TRAINED TO ABORT BEFORE V1 OR TO CONTINUE AFTER V1 (IF THERE IS A PROB). ABOVE 15-20 DEGS C, A 14500 LB ACFT WOULD NOT HAVE ENOUGH RWY TO ACCELERATE AND CLB OUT. OUR CUSTOMERS BUY ACR X TICKETS. I DON'T THINK THEY REALIZE THE SUBSTANDARD LEVEL OF SAFETY ON A COMMUTER FLT VERSUS A TRANSPORT CATEGORY ACFT. MY COMPANY COULD RESTRICT TKOF WT OR USE ALCOHOL WATER, BUT REFUSES TO. I BELIEVE THE MGMNT OF FLT OPS (WHO GET A BONUS FOR PERFORMANCE) HAVE CHOSEN TO NOT ADDRESS THE ISSUE. I UNDERSTAND A MEMO WAS WRITTEN BY SOMEONE IN THE TRAINING DEPT TO RESPOND TO MY MEMO. I NEVER GOT THE MEMO, APPARENTLY IT WAS SQUASHED BY MGMNT. I GUESS A WRITTEN RESPONSE WOULD PREVENT A DEFENSE OF 'PLAUSIBLE DENIABILITY' BY MGMNT.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.