INSTRM_APPROH
INSTRM_APPROH · 36 codes · NTSB Form 6120.4
Verbatim from the ct_Pre1982 table of
PRE1982.MDB, the FAA-distributed pre-1982 NTSB accident database; used to decode every pre-1982 NTSB event page.
- ** TYPE OF INSTRUMENT APPROACH
- 0 VOR DME-STRAIGHT-IN
- 1 VOR DME-CIRCLING
- 2 LOC-STRAIGHT-IN
- 3 LOC-CIRCLING
- 4 LOC-DME-STRAIGHT-IN
- 5 LOC-DME-CIRCLING
- 6 ILS (CATEGORY II)
- 7 ILS (CATEGORYIII)
- 88 MLS
- 99 RNAV
- A LFR - STRAIGHT-IN
- B LFR - CIRCLING
- C VOR/TVOR-STRAIGHT-IN
- D VOR/TVOR-CIRCLING
- E ADF-STRAIGHT-IN
- F ADF-CIRCLING
- G ILS WITH ADVISORY-STRAIGHT-IN
- H ILS WITH ADVISORY-CIRCLING
- I ILS WITHOUT ADVISORY STA
- J ILS WITHOUT ADVISORY-CIRCLING
- K ILS-BACKCOURSE-STRAIGHT-IN
- L ILS-BACKCOURSE-CIRCLING
- M GCA-STRAIGHT-IN
- N GCA-CIRCLING
- P PPI-STRAIGHT-IN
- Q PPI-CIRCLING
- R CONTROLLED VFR-STRAIGHT-IN
- S CONTROLLED VFR-CIRCLING
- T PAR (PRECISION)
- U ASR (SURVEILLANCE)
- V CONTACT APPROACH
- W VISUAL APPROACH
- X TACAN
- Y OTHER
- Z UNKNOWN/NOT REPORTED