ASRS REPORT: 80233
| Data Source |
AVIATION SAFETY REPORTING SYSTEM |
| Report Number |
80233 |
| Local Date |
01-JAN-88 |
| Local Time |
1801-2400 |
Synopsis
ACR LGT GROSS ATL DEVIATION UNDERSHOT DURING DESCENT.
Assessment
| Event Primary Problem |
HUMAN FACTORS |
| ATC Event Results |
ISSUED NEW CLEARANCE |
Anomaly Information
| Acft Equip Anomaly Desc |
LESS SEVERE |
| Alt Deviation Anomaly Desc |
UNDERSHOOT |
| Anomaly Detected - Person Desc |
AIR TRAFFIC CONTROL |
Location Information
| Loc State Code |
MO |
| Loc Ref ATC Name |
FTZ |
| Reference ID Distance (nm) |
20 |
| Altitude MSL - Single Value(ft)
| 10000 |
Environmental Information
| Weather Conditions |
VMC |
| Light Condition |
NIGHT
|
AIRCRAFT INFORMATION
Aircraft 1
| Acft Make/Model Desc |
LARGE TRANSPORT, LOW WING, 3 TURBOJET ENG |
| Acft Operator Desc |
AIR CARRIER |
| Acft Flight Mission |
PASSENGER |
| Acft Flight Phase |
DESCENT |
| Acft Flight Plan |
IFR |
| Flight Crew Count |
3 |
PERSON INFORMATION
Information For Person Sequence 1
| Reporting Organization |
AIR CARRIER |
| Flt Crew Exp (last 90 days) |
240 |
| Flt Crew Total Exp |
12000 |
| Flt Crew Exp |
7000 |
| Flt Crew Function |
PILOT FLYING |
| Flt Crew Qual Desc |
INSTRUMENT |
Narrative
CLRD TO CROSS FTZ-VOR AT 10000', FROM FL240. TRYING TO DETERMINE CAUSE OF AIRFRAME BUFFET DURING DESCENT. (HAD NOTED BUFFET IN CRUISE AROUND .82-.83 MACH AT FL370.) LEVELED OFF AT FL200, BELIEVING AT 10000' APPROX 20 DME WEST OF FTZ. ATC ASKED ALT, ALL 3 OF US READ "10000", CTLR ADVISED INDICATING FL200, RECLEARED VIA VECTOR TO MAINTAIN 10000. CONTRIBUTING ELEMENTS: 1) NIGHT 2) NEAR END OF 7 PLUS HOUR FLT, 11 PLUS HOUR DUTY DAY 3) PROBLEM DISTR (ANALYSIS NEEDED TO INVOLVE PLT FLYING) 4) COMMUNICATIONS INSIDE AND OUTSIDE.
Information For Person Sequence 2
| Flt Crew Function |
FIRST OFFICER |
| Flt Crew Qual Desc |
AIR TRANSPORT PILOT (ATP) |
Narrative
Information For Person Sequence 3
| ATC Function |
ENROUTE |
| ATC Qual Desc |
FULLY CERTIFIED |
Narrative
END REPORT